Bayer MaterialScience LLC Patent applications |
Patent application number | Title | Published |
20150353771 | COATING COMPOSITIONS WITH AN AQUEOUS DISPERSION CONTAINING A POLYURETHANE AND AN ACID REACTIVE CROSSLINKING AGENT - Disclosed are coating compositions that include an aqueous dispersion that includes an aliphatic, fatty-acid containing, anionic polyurethane and an acid-reactive crosslinking agent. Also disclosed are uses of such coating compositions, such as in the coating of plastic, such as vinyl substrates. | 12-10-2015 |
20150322292 | TWO-COMPONENT WATER-BASED COMPOSITIONS THAT PRODUCE HIGH GLOSS POLYURETHANE COATINGS WITH GOOD APPEARANCE - Two-component water-based coating compositions are described. The coating compositions include a mixture of components that includes: (a) an aqueous dispersion of a resin comprising functional groups reactive with isocyanates; and (b) a hydrophilicized polyisocyanate. The mixture includes (i) propylene carbonate that is present in the mixture in an amount of greater than 2 percent by weight, based on the total weight of the mixture; and (ii) a ratio of isocyanate groups to functional groups reactive with isocyanates of 0.8 to 3.0:1. | 11-12-2015 |
20150259566 | METHODS FOR PROVIDING A LOW GLOSS POLYURETHANE COATING ON A SUBSTRATE - Disclosed are methods for coating a substrate. These methods include: (a) preparing a two-component coating composition by mixing a first component and a second component to make a mixture thereof, and (b) depositing the mixture over the substrate to form a film having a 60° gloss of no more than 35 gloss units (measured according to ASTM D523-89). In these methods: (i) the first component includes: (A) an aqueous anionic, aliphatic polyurethane dispersion comprising a polyurethane having terminal methylol groups; and (ii) the second component comprises an aqueous anionic acrylic polymer solution having a viscosity of 25,000 to 60,000 mPa·s at 20° C. when measured according to DIN EN ISO 3219 at a non-volatile content of 9% to 11% by weight, based on the total weight of the solution, measured according to DIN 53189. | 09-17-2015 |
20150247024 | FLAME-RETARDANT POLYCARBONATE COMPOSITIONS - The present invention relates to flame-retardant polycarbonate compositions and methods for increasing the flame-retardancy of polycarbonate compositions. An α,ω-alkoxy phenyl phenyloligosiloxane compound and an alkali metal sulfonate salt are added to the polycarbonate compositions. The addition of the α,ω-alkoxy phenyl phenyloligosiloxane compound and the alkali metal sulfonate salt produces a polycarbonate composition having a flame-retardance rating of UL 94V-0 at 2 mm thickness or less. | 09-03-2015 |
20150226529 | ENERGY ABSORBER FOR HIGH-PERFORMANCE BLAST BARRIER SYSTEM - The present invention provides an energy absorber for a blast barrier system comprising a substantially tubular member extending longitudinally along an axis from a first end portion to a second end portion, each of the first end portion and the second end portion having a substantially similar geometric profile, wherein the energy absorber collapses under a predetermined load when compressed by a residual blast force. The energy absorber of the present invention may help minimize damage to people and structures by further dissipating force from a blast in a blast barrier system. | 08-13-2015 |
20150218372 | ONE-COMPONENT, MOISTURE-CURING COMPOSITION - A one-component composition comprising:
| 08-06-2015 |
20150218303 | BASE-CATALYZED, LONG-CHAIN, ACTIVE POLYETHERS FROM SHORT CHAIN DMC-CATALYZED STARTERS - The present invention provides long chain, active polyether polyols which are characterized by a functionality of 2 to 6 and an equivalent weight of 1000 to 2200 Da. These long chain polyethers comprise the alkoxylation product of (1) a starter composition having an equivalent weight of 350 Da or less, with (2) one or more alkylene oxides, in which up to 20% of ethylene oxide may be added as a cap, in the presence of (3) at least one basic catalyst. Suitable starter compositions (1) comprise the alkoxylation product of (a) a low molecular weight polyether having a functionality of 3 and an equivalent weight of less than 350 Da, (b) at least one low molecular weight starter compound comprising glycerin, and (c) propylene oxide or a mixture of propylene oxide and ethylene oxide, in the presence of (d) at least one double metal cyanide catalyst. A process for preparing these long chain polyether polyols is also disclosed. | 08-06-2015 |
20150204012 | POLYURETHANE-POLYUREA DISPERSIONS BASED ON POLYCARBONATE-POLYOLS - The invention relates to new, hydrolysis-stable, aqueous polyurethane-polyurea dispersions based on polycarbonate-polyols, to a process for preparing them and to their use in coating materials. | 07-23-2015 |
20150203705 | TWO-COMPONENT POLYURETHANE COATING COMPOSITIONS - Two-component coating compositions, methods for their preparation and use are disclosed. The two-component coating compositions include an isocyanate-functional component and an isocyanate-reactive component comprising a hydroxyl-functional polymer. The isocyanate-functional component includes: (a) an aliphatic polyisocyanate containing allophanate structural units; and (b) a cycloaliphatic polyisocyanate comprising an allophanate group and an isocyanurate trimer group. | 07-23-2015 |
20150141543 | PROCESS FOR THE PRODUCTION OF HIGH AIR FLOW POLYETHER FOAMS AND THE FOAMS PRODUCED BY THIS PROCESS - This invention relates to novel polyol blends, a process for the production of foam with very low resistance to air flow from certain polyol blends and to the resultant foams produced from certain polyol blends. The polyol blends comprise one or more monofunctional polyethers having a hydroxyl number of less than 28; one or more polyether polyols having a hydroxyl number of 20 to 240 and containing at least 50% of copolymerized oxyethylene; one or more polyether polyols having a hydroxyl number of 47 to 300 and containing from 5 to 40% of copolymerized oxyethylene; and optionally, one or more polyether polyols having a hydroxyl number of 10 to 45. This process of the invention comprises reacting one or more polyisocyanates, with an isocyanate-reactive component in the presence of at least one catalyst, at least one surfactant and at least one blowing agent. The isocyanate-reactive component comprises one or more monofunctional polyethers having a low hydroxyl number; one or more polyether polyols having a hydroxyl number of 20 to 240 and containing at least 50% of copolymerized oxyethylene; one or more polyether polyols having a hydroxyl number of 47 to 300 and containing from 5 to 40% of copolymerized oxyethylene; and optionally, one or more polyether polyols having a hydroxyl number of 10 to 45. | 05-21-2015 |
20150112010 | SEALANT COMPOSITIONS WITH A POLYURETHANE DISPERSION AND A HYDROXY-FUNCTIONAL COMPOUND - Disclosed are compositions that include (a) an aqueous polyurethane dispersion prepared from an isocyanate-terminated prepolymer; and (b) a hydroxyl-functional compound having an average hydroxyl equivalent weight of greater than 40 gram/equivalent to less than 500 gram/equivalent. Also disclosed are methods of using the compositions as, for example, a sealant. | 04-23-2015 |
20150090411 | POLYCARBONATE LAMINATE WINDOW COVERS FOR RAPID DEPLOYMENT PROVIDING PROTECTION FROM FORCED-ENTRY AND BALLISTICS - The present invention provides a rapidly deployable window cover comprising a laminate panel comprising two or more layers of polycarbonate having layered therebetween one or more layers of a thermoplastic polyurethane, having a plurality of openings arranged around the periphery thereof and the plurality of openings extending through the panel; and a plurality of fasteners; wherein the plurality of openings are sized and shaped to receive the plurality of fasteners therethrough, and wherein the fasteners attach the panel to a structure in which the window is embedded such that the panel shields the window. | 04-02-2015 |
20150080352 | AQUEOUS POLYURETHANE DISPERSION IN THE TREATMENT OF ACNE - The present invention describes a surprising effect of an aqueous polyurethane dispersion on the efficacy of active ingredients in the anti-acne treatment. The aqueous polyurethane dispersion was able to reduce irritation and substantially enhance efficacy of the salicylic acid and/or salicylic acid derivative in the topical anti-acne serum. | 03-19-2015 |
20150079294 | COATING COMPOSITIONS AND METHODS FOR THEIR USE - Coating compositions are described. The coating compositions include: (a) a polyisocyanate; (b) a polymeric polyol; (c) a polyaspartic ester; and (d) a chelated tin (IV) compound. Also disclosed are methods of using such coating compositions and substrates at least partially coated with a cured coating deposited from such compositions. | 03-19-2015 |
20150076400 | PROCESS FOR THE PRODUCTION OF HIGH AIR FLOW POLYETHER FOAMS AND THE FOAMS PRODUCED BY THIS PROCESS - This invention relates to novel polyol blends, a process for the production of foam with very low resistance to air flow from certain polyol blends and to the resultant foams produced from certain polyol blends. The polyol blends comprise one or more monofunctional polyethers having a hydroxyl number of less than 28; one or more polyether polyols having a hydroxyl number of 20 to 240 and containing at least 50% of copolymerized oxyethylene; one or more polyether polyols having a hydroxyl number of 47 to 300 and containing from 5 to 40% of copolymerized oxyethylene; and optionally, one or more polyether polyols having a hydroxyl number of 10 to 45. This process of the invention comprises reacting one or more polyisocyanates, with an isocyanate-reactive component in the presence of at least one catalyst, at least one surfactant and at least one blowing agent. The isocyanate-reactive component comprises one or more monofunctional polyethers having a low hydroxyl number; one or more polyether polyols having a hydroxyl number of 20 to 240 and containing at least 50% of copolymerized oxyethylene; one or more polyether polyols having a hydroxyl number of 47 to 300 and containing from 5 to 40% of copolymerized oxyethylene; and optionally, one or more polyether polyols having a hydroxyl number of 10 to 45. | 03-19-2015 |
20140356561 | FREE RADICAL CURABLE WATERBORNE GLASS COATING COMPOSITIONS - Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component and a water-dilutable, ethylenically unsaturated polyurethane polyol component. | 12-04-2014 |
20140296428 | MODIFIED POLYURETHANES - The present invention relates to isocyanate functional prepolymers, aqueous polyurethane dispersions produced from the prepolymers and various uses of such dispersions. The prepolymers are prepared by reacting a diisocyanate, a dihydroxy compound having a number average molecular weight of from about 700 to about 16,000, and a trihydroxy component of the formula: | 10-02-2014 |
20140290473 | POLYCARBONATE LAMINATE FOR CLOSE-PROXIMITY BLAST EVENTS - The present invention provides a laminate for protecting an object against close-proximity blasts, ballistic and severe storm events, the laminate comprising two or more layers of polycarbonate having layered there between one or more layers of a thermoplastic polyurethane. Also provided is a method of protecting an object from a close-proximity blasts, ballistic and severe storm events, the method comprising placing between the object and the close-proximity blast, ballistic or severe storm event, the inventive laminate. The inventive laminate can afford increased protection to an object against 50 lbs. to 100 lbs. of trinitrotoluene-equivalent from distances as close as about 3 feet (0.91 m). | 10-02-2014 |
20140275632 | CATALYST FOR THE PRODUCTION OF POLYOLS HAVING LOWER AMOUNTS OF HIGH MOLECULAR WEIGHT TAILS - This invention relates to novel double metal cyanide catalysts and to a process for the production of these double metal cyanide catalysts. These DMC catalysts can be used to prepare polyoxyalkylene polyols which have low amounts of high molecular weight tail compared polyoxyalkylene polyols prepared from DMC catalysts of the prior art. | 09-18-2014 |
20140275394 | SOFT-FEEL, CHEMICAL-RESISTANT POLYURETHANE COATING COMPOSITIONS - Two-component waterborne coating compositions that form crosslinked polyurethane films exhibiting soft feel effect and high chemical resistance are disclosed. The two-component waterborne coating compositions include rubber particles and reaction products of hydroxy-functional polyacrylic polyol dispersions and water-dispersible polyisocyanates. | 09-18-2014 |
20140275312 | BASE-CATALYZED, LONG CHAIN, ACTIVE POLYETHERS FROM SHORT CHAIN DMC-CATALYZED STARTERS - The present invention provides long chain, active polyether polyols which are characterized by a functionality of 2 to 6 and an equivalent weight of 1000 to 2200 Da. These long chain polyethers comprise the alkoxylation product of (1) a starter composition having an equivalent weight of 350 Da or less, with (2) one or more alkylene oxides, in which up to 20% of ethylene oxide may be added as a cap, in the presence of (3) at least one basic catalyst. Suitable starter compositions (1) comprise the alkoxylation product of (a) a low molecular weight polyether having a functionality of 3 and an equivalent weight of less than 350 Da, (b) at least one low molecular weight starter compound comprising glycerin, and (c) propylene oxide or a mixture of propylene oxide and ethylene oxide, in the presence of (d) at least one double metal cyanide catalyst. A process for preparing these long chain polyether polyols is also disclosed. | 09-18-2014 |
20140272382 | COMPOSITE FOR PACKAGING A MEDICAL DEVICE AND METHOD OF FORMING THE SAME - A composite having a first layer including an aromatic thermoplastic polyurethane and a second layer. The first layer forms a base that has a plurality of walls extending therefrom to define a cavity for receiving a device, such as a medical device. The second layer is disposed on the first layer opposite the cavity. The composite is formed from a method that includes the step of disposing the first layer on the second layer. The composite may also be included with a container to form a packaging system. | 09-18-2014 |
20140272162 | POLYASPARTIC GEL COATS WITH IMPROVED WEATHER AND CHLORINE RESISTANCE - The present invention provides a two-component coating composition comprising as component I (a) an acrylate modified amine functional polyaspartic acid ester having an acrylate/acid ester mixture of greater than 2 to 30 wt. % acrylate; (b) at least one moisture scavenger; (c) at least one deaerator; (d) at least one plasticizer; and optionally (e) a short chain polyol having a hydroxyl value of >100; and as component II one or more aliphatic polyisocyanates. Methods of preparing the coating composition, methods of coating a substrate, and coated substrates are also provided. The coating is particularly suitable as a gel coat. | 09-18-2014 |
20140249274 | HIGH FUNCTIONALITY ISOCYANATES AS POLYMER POLYOL STABILIZERS AND THE POLYMER POLYOLS PREPARED FROM THESE STABILIZERS - A high functionality macromer that is the reaction product of (1) a polyisocyanate having an NCO group content of about from about 10% to about 33% having a functionality greater than 2, (2) at least one alcohol with reactive unsaturation, and (3) a hydroxyl group-containing polyether having an OH number of from 9 to 60 and a functionality of from 1 to 6 is used to produce a pre-formed stabilizer that is used to produce a high solids content polymer polyol. | 09-04-2014 |
20140221564 | HYDROPHILIC SEALANTS - The present invention provides water swellable one-component sealants prepared by incorporation of polyols containing ethylene oxide (“EO”) into the backbone of the polymer. The inventive one-component hydrophilic polyurethane sealant contains a silane-terminated polyurethane prepolymer, a compound having an ethylene oxide content of at least about 40 wt. %, based on the weight of the compound and a catalyst, optionally, one or more of plasticizers, fillers, pigments, drying agents, light stabilizers, antioxidants, thixotropic agents and bonding agents. The one-component hydrophilic polyurethane sealant increases at least about 1.4% by weight and at least about 2.5% by volume upon exposure to water for 24 hours and are capable of curing in a high humidity environment (including underwater) without foaming and maintain physical characteristics such as hardness. | 08-07-2014 |
20140131275 | PROCESS FOR PHASE SEPARATION OR EXTRACTION AND DEVICE SUITABLE THEREFOR - The present invention relates to a device for separating two immiscible phases and/or for extracting one phase with another phase (phase separation or extraction device), comprising at least one vessel for receiving the at least two phases, at least one pipe for supplying a fluid to the vessel, at least one pipe for discharging a fluid from the vessel, and at least one arrangement comprising a transparent disk for observing the separation operation or the extraction operation, wherein at least the side of the transparent disk that faces the phases to be separated or extracted consists of sapphire (sapphire glass) or mica ( mica disk), and to the use of such a device in the preparation of di- and polyamines of the diphenylmethane series. | 05-15-2014 |
20140094530 | POLYURETHANE AND POLYISOCYANURATE RIGID FOAMS FOR ROOFING INSULATION - Polyurethane foams having a NFPA 101 Class B rating (ASTM E-84) which pass the FM 4450 calorimeter Test are produced by reacting: (a) an organic polyisocyanate, (b) at least one polyether polyol or polyester polyol with a nominal hydroxyl functionality of at least 2.0, (c) a blowing agent composition and (d) at least one halogen-free flame retardant. The blowing agent composition includes: (1) no more than 10% by weight, based on total weight of the foam-forming composition, of one or more hydrocarbons having an LEL less than 2% by volume in air, and/or (2) a hydrocarbon having an LEL greater than 2% by volume in air, and (3) up to 1% by weight, based on total weight of foam-forming composition, of water. | 04-03-2014 |
20140066536 | POLYMER POLYOLS HAVING IMPROVED QUALITY - This invention relates to polymer polyols comprising one or more base polyols; one or more ethylenically unsaturated monomers in which at least one of the monomers is styrene which contains less than or equal to 1000 ppm of impurities; with one or more preformed stabilizers; in the presence of at least one free radical polymerization initiator; and optionally, one or more chain transfer agents. | 03-06-2014 |
20140066532 | RIGID FOAMS SUITABLE FOR WALL INSULATION - Polyurethane/polyisocyanurate foams having a NFPA 101 Class A rating (ASTM E-84) are produced from a foam-forming reaction mixture that includes: an organic polyisocyanate, an isocyanate-reactive composition that includes at least one polyether polyol or polyester polyol with a nominal hydroxyl functionality of at least 2.0, a blowing agent composition and at least one halogen-free flame retardant. The blowing agent composition includes: (1) up to 5% by weight, based on total weight of the foam-forming composition, of one or more hydrocarbons having an LEL less than 2% by volume in air; and/or (2) a hydrocarbon having an LEL greater than 2% by volume in air; and (3) up to 1% by weight, based on total weight of foam-forming composition, of water. | 03-06-2014 |
20140058030 | SILANE-TERMINATED POLYURETHANE AND RUBBER COMPOSITE MATERIALS - Composite materials including rubber particles and silane-terminated polyurethane binders are disclosed. | 02-27-2014 |
20140041287 | HIGHLY FLUORESCENT MARKERS FOR FLUIDS OR ARTICLES - The present invention provides highly fluorescent markers, made from a reactive polymer and an isocyanate, that fluoresce in the ultraviolet or near infrared region without being visible to the human eye at low concentrations in the fluid or article being marked. The molecular weight and fluorescence emission wavelength of these highly fluorescent marker compounds can be adjusted to provide a multitude of markers with unique fluorescence signatures. | 02-13-2014 |
20140037874 | NON-AQUEOUS POLYURETHANE COATING COMPOSITIONS - The present invention relates to a non-aqueous coating composition comprising:
| 02-06-2014 |
20140024733 | PROCESS FOR THE IN SITU PRODUCTION OF POLYETHER POLYOLS BASED ON RENEWABLE MATERIALS AND THEIR USE IN THE PRODUCTION OF FLEXIBLE POLYURETHANE FOAMS - A polyether polyol based on renewable materials is obtained by the in situ production of a polyether from a hydroxyl group-containing vegetable oil, at least one alkylene oxide and a low molecular weight polyol having at least 2 hydroxyl groups. The polyol is produced by introducing the hydroxyl group-containing vegetable oil, a catalyst and an alkylene oxide to a reactor and initiating the alkoxylation reaction. After the alkoxylation reaction has begun but before the reaction has been 20% completed, the low molecular weight polyol having at least 2 hydroxyl groups is continuously introduced into the reactor. After the in situ made polyether polyol product having the desired molecular weight has been formed, the in situ made polyether polyol is removed from the reactor. These polyether polyols are particularly suitable for the production of flexible polyurethane foams. | 01-23-2014 |
20130345476 | PROCESS FOR THE PRODUCTION OF LOW MOLECULAR WEIGHT IMPACT POLYETHERS - This invention relates to an improved continuous process for the production of low molecular weight polyoxyalkylene polyether polyols. These polyoxyalkylene polyether polyols have a hydroxyl content of from about 3.4 to about 12.1% by weight, and may also be characterized as having an OH number of from about 112 to about 400. The process comprises establishing oxyalkylation conditions in a continuous reactor in the presence of a DMC catalyst; continuously introducing alkylene oxide and a low molecular weight starter into the continuous reactor; recovering a partially oxyalkylated polyether polyol from the reactor; and allowing the recovered partially oxyalkylated polyether polyol to further reactor until the unreacted alkylene oxide content of the mixture is reduced to 0.001% or less by weight. | 12-26-2013 |
20130289150 | VISCOELASTIC POLYURETHANE FOAMS - A viscoelastic foam is produced by reacting (a) an isocyanate component that includes at least 25% by weight of diphenylmethane diisocyanate having a monomeric content of from 50 to 90% by weight, (b) an isocyanate-reactive component, (c) at least one catalyst, (d) at least one surface active agent, and (e) liquid carbon dioxide. These foams are characterized by a ball rebound of less than 20%. Particularly preferred foams are characterized by a 95% height recovery time greater than 4 seconds. | 10-31-2013 |
20130281627 | PREFORMED STABILIZERS USEFUL FOR THE PRODUCTION OF POLYMER POLYOLS AND POLYMER POLYOLS PRODUCED THEREFROM - Preformed stabilizers useful for the production of low viscosity, high solids polymer polyols are produced by free-radical polymerization of: (a) at least one ethylenically unsaturated macromolecule or macromer with (b) at least three different ethylenically unsaturated monomers in the presence of (c) at least one free-radical polymerization initiator, and, optionally, (d) a liquid diluent, and, optionally, (e) a chain transfer agent. | 10-24-2013 |
20130269242 | HIGHLY FLUORESCENT MARKERS FOR FLUIDS OR ARTICLES - The present invention provides highly fluorescent markers, made from a reactive polymer and an isocyanate, that fluoresce in the ultraviolet or near infrared region without being visible to the human eye at low concentrations in the fluid or article being marked. The molecular weight and fluorescence emission wavelength of these highly fluorescent marker compounds can be adjusted to provide a multitude of markers with unique fluorescence signatures. | 10-17-2013 |
20130261207 | PROCESS FOR PRODUCTION OF POLYMER POLYOLS - The present invention provides a process for preparing a polymer polyol (PMPO) by alkoxylating a starter compound(s) having active hydrogen atoms in the presence of a double metal cyanide (DMC) catalyst, radical initiator(s) and optionally PMPO stabilizers and simultaneously polymerizing unsaturated monomer(s) with radical initiator(s). The polymer polyols (PMPOs) made by the inventive process may find use in the preparation of polyurethane foams and elastomers, | 10-03-2013 |
20130256605 | COMPOSITES HAVING HIGH LEVELS OF CARBON NANOTUBES AND A PROCESS FOR THEIR PRODUCTION - Composite materials having a multi-wall carbon nanotube content of from 4 to 15% by weight, based on total weight of the composite, are produced from a dispersion of multi-wall carbon nanotubes (MWCNTs) and a fiber reinforcing material in a carrier fluid which is processed to form a shaped article that may then be infused with a liquid polymer or polymer-forming mixture to form the composite. | 10-03-2013 |
20130216859 | Multilayer assembly as reflector - The present invention relates to a multilayer assembly for use as a mirror/reflector in the sector of CPV (concentrating photovoltaics) and CSP (concentrating solar power). The multilayer assembly contains a substrate layer, a barrier layer, a reflective metallic layer, an oxidic layer and one other layer, which can be a plasma polymer layer or a highly refractive metal oxide layer. | 08-22-2013 |
20130216390 | REINFORCED COMPOSITES PRODUCED BY A VACUUM INFUSION OR PULTRUSION PROCESS - Carbon nanotube-reinforced composites are produced by incorporating up to 0.7% by weight of carbon nanotubes into a liquid polymeric material a polymeric material. The viscosity of the carbon nanotube-containing liquid polymeric is sufficiently low that it can be used in vacuum infusion and pultrusion processes to produce large articles such as wind turbine blades. | 08-22-2013 |
20130203934 | TWO-COMPONENT, POLYASPARTIC COATING COMPOSITIONS - A polyurea coating composition comprising the reaction product of:
| 08-08-2013 |
20130203880 | POLYURETHANE FOAMS WITH DECREASED ALDEHYDE EMISSIONS, A PROCESS FOR PREPARING THESE FOAMS AND A METHOD FOR DECREASING ALDEHYDE IN POLYURETHANE FOAMS - This invention relates to polyurethane foams which exhibit decreased aldehyde emission, to a process of preparing these polyurethane foams, and to a method of decreasing aldehyde emissions in foams. The polyurethane foams herein additionally comprise a small quantity of a polyhydrazodicarbonamide dispersion polyol to the isocyanate-reactive component, or a trimerized hexamethylene diisocyanate to the polyisocyanate component. | 08-08-2013 |
20130158142 | HYBRID PHD/PMPO POLYOLS FOR POLYURETHANE FOAM APPLICATIONS - This invention relates to hybrid polymer polyols. These hybrid polymer polyols comprise the free-radical polymerization product of (A) a base polyol comprising (1) a polymer modified polyol selected from (a) dispersions of polyureas and/or polyhydrazodicarbonamides in a hydroxyl group containing compound and (b) polyisocyanate polyaddition polyols, and (2) optionally, a polyol having a functionality of 2 to 6 and an OH number of from 20 to 500; (B) optionally, a preformed stabilizer; and (C) one or more ethylenically unsaturated monomers, in the presence of (D) a free-radical polymerization initiator, and (E) optionally, a polymer control agent. The present invention also relates to a process for the preparation of these hybrid polymer polyols, foams prepared from these hybrid polymer polyols and to a process for the preparation of these foams. | 06-20-2013 |
20130101540 | AQUEOUS DISPERSIONS OF POLYURETHANE AND NANOPARTICLES - The present disclosure is directed to aqueous dispersions comprising polyurethane and nanoparticles, and processes for preparing the aqueous dispersions. The dispersions comprise aqueous polyurethane dispersions having nanoparticles covalently incorporated into the polymer matrix. The dispersions are prepared by reacting isocyanate groups present on the polyurethane chain ends with free amine groups on a hydroxy- or amino-functionalized nanoparticle to covalently attach the polyurethane and the nanoparticle through urethane or urea linkages, respectively. | 04-25-2013 |
20130090419 | POLYCARBONATE COMPOSITIONS HAVING IMPROVED WATER RESISTANCE AND RELATED METHODS - The present invention relates to compositions containing a polycarbonate including a bisphenol compound and an effective amount of a bishaloformate component present in an amount sufficient to reduce the average unbound bisphenol compound level found in water after immersion in deionized water for two weeks at 40° C. of the composition to less than about 20 ppb. Also provided are methods for increasing the water resistance of a polycarbonate composition. The method involves adding an effective amount of a bishaloformate component to the polycarbonate composition such that the polycarbonate composition has an average unbound bisphenol compound level found in water after immersion in deionized water for two weeks at 40° C. of less than about 20 ppb. | 04-11-2013 |
20130079429 | PROCESS FOR THE PRODUCTION OF HIGH AIR FLOW POLYETHER FOAMS AND THE FOAMS PRODUCED BY THIS PROCESS - This invention relates to novel polyol blends, a process for preparing foams with very low resistance to air flow from certain polyol blends and to the resultant foams. The polyol blends comprise one or more monofunctional polyethers having a hydroxyl number of less than 28; one or more polyether polyols having a hydroxyl number of 20 to 240 and containing at least 50% of copolymerized oxyethylene; one or more polyether polyols having a hydroxyl number of 47 to 300 and containing from 5 to 40% of copolymerized oxyethylene; and optionally, one or more polyether polyols having a hydroxyl number of 10 to 45. This process of the invention comprises reacting one or more polyisocyanates, with an isocyanate-reactive component which comprises a specific polyol blend, in the presence of at least one catalyst, at least one surfactant and at least one blowing agent. | 03-28-2013 |
20130072588 | MEDIUM DENSITY FOAMS HAVING GOOD IMPACT RESISTANCE AND A PROCESS FOR THEIR PRODUCTION - Impact resistant, medium density molded polyurethane foams are produced by the process of the present invention. These foams include from 5 to 35% by weight of glass fibers having an average fiber length of from 12.5 to 50 mm and from 25 to 60% by weight of one or more particulate fillers having an average particle size of from 0.3 to 40 microns. | 03-21-2013 |
20130030073 | AMINE-INITIATED POLYOLS FROM RENEWABLE RESOURCES AND PROCESSES FOR THEIR PRODUCTION AND USE - Amine-initiated polyether polyols are made by reacting an amine adduct with a triglyceride in the presence of an alkylene oxide to obtain a polyol having a total renewables content of at least 20%. The polyols produced in this manner are particularly useful for the production of polyurethane and a polyisocyanurate foams | 01-31-2013 |
20130023599 | POLYURETHANE FOAMS MADE WITH ALKOXYLATED VEGETABLE OIL HYDROXYLATE - The present invention provides polyurethane foams and elastomers made with an alkoxylated vegetable oil hydroxylate replacing at least a portion of the typically used petroleum-based polyol(s). Also provided are processes for making the inventive foams and elastomers and for making alkoxylated vegetable oil hydroxylates. The alkoxylated vegetable oil hydroxylates are environmentally-friendly, bio-based polyols which advantageously also offer the potential of improved hydrophobicity in polyurethane foams and elastomers. The inventive polyurethane foams and elastomers may find use in a wide variety of products such as automobile interior parts, polyurethane structural foams, floor coatings and athletic running tracks. | 01-24-2013 |
20130011592 | WATERBORNE POLYURETHANE COATING COMPOSITIONS - Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component, an aminoplast resin component, and a polyester polyol component. | 01-10-2013 |
20130011591 | WATERBORNE POLYURETHANE COATING COMPOSITIONS - Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component, an aminoplast resin component, and a polyacrylic polyol component. | 01-10-2013 |
20130011590 | WATERBORNE POLYURETHANE COATING COMPOSITIONS - Aqueous polyurethane coating compositions are disclosed in this specification. The aqueous polyurethane coating compositions contain a polycarbonate-polyurethane resin component, an aminoplast resin component, and a polyurethane polyol component. | 01-10-2013 |
20120319031 | THERMALLY CONDUCTIVE THERMOPLASTIC COMPOSITIONS - The present invention provides a composition containing about 90% to about 30% of at least one amorphous thermoplastic or at least one semi crystalline thermoplastic or a mixture thereof and about 10% to about 70% of expanded graphite, wherein about 90% of the particles of the expanded graphite have a particle size of at least about 200 microns. The inventive compositions may find use in LED heat sink applications. | 12-20-2012 |
20120258302 | FLEXIBLE SENSING MATERIAL CONTAINING CARBON NANOTUBES - The present invention relates to a flexible sensing material made from (a) at least one flexible polymeric layer and (b) at least one conductive, curable coating layer containing about 0.01 wt. % to about 5 wt. % of multi-walled carbon nanotubes having a diameter of greater than about 4 nm, about 10 wt. % to about 99 wt. % of an aliphatic urethane acrylate and about 0.1 wt. % to about 15 wt. % of a photoinitiator, wherein the weight percentages are based on the weight of the formulation, wherein the coating layer is curable by exposure to radiation and wherein the cured coating layer has a surface resistivity of about 10 | 10-11-2012 |
20120256139 | UV-CURABLE COATING CONTAINING CARBON NANOTUBES - The present invention provides a conductive, curable coating made from about 0.01 wt. % to about 5 wt. %, of multi-walled carbon nanotubes, having a diameter of greater than about 4 nm, about 10 wt. % to about 99 wt. % of an aliphatic urethane acrylate and about 0.1 wt. % to about 15 wt. % of a photoinitiator, wherein the coating is curable by exposure to radiation and wherein the cured coating has a surface resistivity of about 10 | 10-11-2012 |
20120245286 | POLYURETHANE COMPOSITES PRODUCED BY A VACUUM INFUSION PROCESS - A polyurethane-forming system having a viscosity at 25° C. of less than 600 mPas for at least 30 minutes, a gel time at ambient temperature of greater than 60 minutes and a water content of less than 0.06% by weight, based on total system weight, is used to produce composites by a vacuum infusion process. This system makes it possible to produce large composites such as wind turbine blades having excellent physical properties. | 09-27-2012 |
20120234204 | VAPOR PHASE FUNCTIONALIZATION OF CARBON NANOTUBES - The present invention provides a process for the production of functionalized carbon nanotubes. The inventive process for the production of functionalized carbon nanotubes involves reacting carboxylic acid moieties of oxidized carbon nanotubes with vapors of a compound containing carboxylic acid reactive groups to produce functionalized carbon nanotubes. The present invention also provides a composition made from a plastic resin and functionalized carbon nanotubes produced by reacting carboxylic acid moieties of oxidized carbon nanotubes with a vapor containing carboxylic acid reactive groups to produce functionalized carbon nanotubes. The inventive process is useful with single-walled carbon nanotubes, double-walled carbon nanotubes and multi-walled carbon nanotubes. | 09-20-2012 |
20120201982 | COATING COMPOSITIONS FOR GLASS SUBSTRATES - The present invention relates to an aqueous polyurethane coating composition comprising:
| 08-09-2012 |
20120160437 | PROCESS FOR THE PRODUCTION OF SIZED AND/OR WET-STRENGTH PAPERS, PAPERBOARDS AND CARDBOARDS - The present invention relates to a process for the production of sized and/or wet-strength papers, paperboards or cardboards, wherein an aqueous radiation-curable dispersion containing water and at least one polymer, characterized in that the polymer contains cationic groups, is mixed with suspended wood pulp and/or chemical pulp and this mixture is sieved, pressed, thermally dried and then radiation-cured, characterized in that the dispersion is employed in amounts, based on its non-aqueous content in relation to the solid content of the wood pulp and/or chemical pulp, of from 0.001 to 10 wt. %, the papers, paperboards and cardboards produced by this process, and compositions comprising suspended wood pulp and/or chemical pulp and an aqueous radiation-curable dispersion containing at least one polymer, characterized in that the polymer contains cationic groups. | 06-28-2012 |
20120085961 | METHOD FOR IMPROVING SOUND DAMPING PERFORMANCE FOR AUTOMOTIVE INTERIOR APPLICATIONS - The present invention provides a method for improving damping performance and viscoelastic response in a vehicle interior part, the method involving including a thermoplastic blend in the part, wherein the thermoplastic blend contains 50 to 70 percent by weight of a thermoplastic aromatic polycarbonate and 5 to 10 percent by weight of a thermoplastic polyester-polyol-based polyurethane, wherein the percents are based on the combined weights of the thermoplastic aromatic polycarbonate and thermoplastic polyurethane. The inventive methods may find particular application in vehicles such as vehicles such as automobiles, trucks, buses, trains, airplanes, etc. | 04-12-2012 |
20120083554 | COLD-PRESSED MATS OF LIGNOCELLULOSIC MATERIAL HAVING IMPROVED COLD TACK AND A PROCESS FOR THEIR PRODUCTION - Cold-pressed mats of lignocellulosic material having a Push Off Test extension equal to at least 85% of that of a mat made with a urea-formaldehyde resin are produced from a lignocellulosic material and binder system. These mats are produced at ambient temperature by separately adding each component of the binder system to the lignocellulosic material, blending the lignocellulosic material and binder system to coat the lignocellulosic material with the binder system, forming the coated lignocellulosic material into the desired form and applying pressure to the formed lignocellulosic material to obtain the desired thickness. The binder system includes: (i) at least one polyfunctional isocyanate and (ii) at least one aqueous dispersion of an adhesive or tackifier. | 04-05-2012 |
20120077038 | A PROCESS FOR INCORPORATING AN INTERPENETRATING NETWORK OR BLEND INTO THE SURFACE LAYER OF A POLYMERIC ARTICLE - The present invention provides a plastic article containing a first polymer and an interpenetrating network or blend of a second polymer infused in a surface layer of the first polymer, wherein the second polymer is the product of photopolymerizing, in a de-oxygenated environment, a reactive monomer in the presence of one or more radical photoinitiators. The present invention also provides a process for the infusion of a surface layer polymer interpenetrating network (“IPN”) or interpenetrating blend (“IPB”) into plastic articles. By inclusion of a second polymer within the pre-existing first polymer, surface modification of the physical and chemical properties of the host polymer may be enhanced. | 03-29-2012 |
20120041144 | LOW-VISCOSITY POLYMER POLYOLS CHARACTERIZED BY A HIGH HYDROXYL NUMBER - The present invention relates to novel polymer polyols which have low viscosities and high hydroxyl numbers, and to a process for the preparation of these novel polymer polyols. These polymer polyols have hydroxyl numbers of 20, solids contents of about 30 to about 65% by weight and a viscosity that is less than or equal to: be | 02-16-2012 |
20120019223 | MINIATURE HIGH-VOLTAGE POWER SUPPLIES - The present invention provides miniature power supplies and circuitry for powering high-voltage devices. | 01-26-2012 |
20120016048 | FLEXIBLE POLYURETHANE FOAMS MADE FROM ALKOXYLATED NATURAL OIL - The present invention provides flexible conventional polyurethane foams made from at least one polyisocyanate and at least one vegetable oil alkoxylated in the presence of a double metal cyanide (DMC) catalyst, optionally at least one non-vegetable oil-based polyol, generally in the presence of a blowing agent and optionally in the presence of a surfactant, pigment, flame retardant, catalyst or filler. The alkoxylated natural oil must have (a) an ethylene oxide content in the alkoxylated segment greater than 20% by weight, (b) a primary hydroxyl group content of at least 10%, with the sum of (a)+(b) being at least 30% but no greater than 60%, The alkoxylated natural oils are environmentally-friendly, bio-based polyols which can be used to increase the “green” content of polyurethane foams without having detrimental effects on foam properties. | 01-19-2012 |
20120003454 | LONG-FIBER THERMOSET COMPOSITE WITH LOW ORANGE PEEL - A reinforced polymer composite that includes a Class A surface and method of making are disclosed. A reinforced polymer composite comprises a polymeric barrier layer that comprises a barrier layer first surface, a barrier layer second surface, and a plurality of hard segment domains. A reinforced polymer composite also comprises a reinforced polymeric layer covering at least a portion of the barrier layer first surface, wherein the barrier layer second surface exhibits a Class A quality, and wherein the plurality of hard segment domains substantially suppress deformation of the polymeric barrier layer at a molding temperature of the reinforced polymer composite. Optionally, an in-mold coating that has a Class A surface covers at least a portion of the barrier layer second surface. | 01-05-2012 |
20110310631 | LED HEADLAMP COOLING SYSTEM - The present invention provides improved LED headlamp cooling systems. The present invention allows for heat removal and recirculation of the excess heat into a forward lamp chamber of a head lamp before being exhausted out of the head lamp assembly. | 12-22-2011 |
20110306728 | POLYMER POLYOLS PREPARED FROM NITRILE-FREE AZO-INITIATORS - This invention relates to nitrile-free azo initiators for the preparation of polymer polyols and to the polymer polyols prepared therefrom. These novel polymer polyols comprise a base polyol, a preformed stabilizer and at least one ethylenically unsaturated monomer, in the presence of at least one free-radical polymerization initiator comprising as azo compound that is free of nitrile groups, and optionally, a polymer control agent. The process of preparing these polymer polyols is a continuous process comprising free-radically polymerizing a base polyol, a preformed stabilizer, and at least one ethylenically unsaturated monomer, in the presence of at least one free-radical polymerization initiator comprising as azo compound that is free of nitrile groups, and optionally, a polymer control agent. | 12-15-2011 |
20110272830 | DOWNCOMERS FOR MASS TRANSFER COLUMN - The present disclosure is directed to an improved mass-transfer column, the column comprising a plurality of trays and associated downcomers, wherein at least one of the downcomers comprises an upstream and downstream end, as defined by the direction of flow of liquid through the column, the upstream and downstream end each having an opening defined by a plurality of walls, wherein each of the walls extend substantially entirely between the upstream opening and the downstream opening, and wherein at least one of the walls has at least two sections, a first section of the wall forming an angle α with a plane parallel to the associated tray, and a second section of the wall, which forms an angle β with a plane parallel to the associated tray, wherein said second section is downstream from the first section, and α<β. | 11-10-2011 |
20110269081 | SYSTEMS AND PROCESSES FOR IMPROVED COMBUSTION CONTROL - Combustion systems and processes are disclosed. A cross-limiting override control system is configured to transmit remote set points to flow controllers configured to control the flow rates of a primary firing fuel and air to a combustion apparatus. A temperature controller is configured to transmit a temperature demand signal based on a temperature in a combustion zone in the combustion apparatus. An analyzer controller is configured to transmit a stoichiometric ratio control signal based on an excess oxygen level exiting the combustion zone in the combustion apparatus. The cross-limiting override control system includes a dynamic stoichiometric ratio multiplier element configured to receive the stoichiometric ratio control signal transmitted from the analyzer controller, a high signal select element configured to receive the temperature demand signal transmitted from the temperature controller, and a low signal select element configured to receive the temperature demand signal transmitted from the temperature controller. | 11-03-2011 |
20110263797 | ALLOPHANATE MODIFIED DIPHENYLMETHANE DIISOCYANATES, PREPOLYMERS THEREOF, AND THEIR USE IN THE PREPARATION OF POLYUREAS AND POLYURETHANES - This invention relates to novel allophanate-modified diphenylmethane diisocyanates, prepolymers of these allophanate-modified diphenylmethane diisocyanates, and two-component polyureas and one-component polyureaurethanes prepared from these prepolymers. In addition, the invention also relates to processes for the preparation of these various compositions, and to the preparation of sealants from the two-component polyureas and caulking agents from the one-component polyureaurethanes. | 10-27-2011 |
20110256187 | BIOFILM-INHIBITORY COATINGS THAT RELEASE SALICYCLIC ACID BY HYDROLISIS - The present invention relates to coating compositions for modulating biofilm growth on a surface, the composition comprising the reaction product of:
| 10-20-2011 |
20110251332 | TWO-COMPONENT WATERBORNE POLYURETHANE COATINGS - A polyaziridine introduced into a two-component waterborne polyurethane dispersion coating system increases the cure rate of a coating composition formed from the coating system. | 10-13-2011 |
20110230581 | PROCESS FOR THE PRODUCTION OF POLYETHER POLYOLS WITH A HIGH ETHYLENE OXIDE CONTENT - Polyether polyols with an OH number of from 15 to 120 mg of KOH/g are produced by (i) introducing a mixture of DMC catalyst and a poly(oxyalkylene)polyol or a mixture of DMC catalyst and a polyether polyol (“heel”) obtainable by the process according to the invention is initially into a reactor and (ii) continuously introducing one (or more) low molecular weight starter compound(s) with a (mixed) hydroxyl functionality of from 2.2 to 6.0 and a mixture composed of a) 73 to 80 parts by weight (per 100 parts by weight of a) plus b)) of ethylene oxide and b) 27 to 20 parts by weight (per 100 parts by weight of a) plus b)) of at least one substituted alkylene oxide corresponding to a specified formula into the mixture from step (i). These polyether polyols are particularly useful for the production of flexible polyurethane foams. | 09-22-2011 |
20110229645 | LOW TEMPERATURE CURING POLYURETDIONE COMPOSITIONS - Composition and process for low temperature curing of polyuretdione-polyol compositions in which the polyuretdione is prepared from a polyisocyanate with isocyanate groups and a polyol containing primary hydroxyl groups. The catalyst for the composition and process is an amine catalyst containing the group —N═C—N—, being aprotic, having a pKa greater than 20 and upon addition to the liquid coating composition causing a phase-change of the coating composition from liquid to solid at 25° C. and 1 atm. within one week. | 09-22-2011 |
20110177344 | THERMOPLASTIC POLYURETHANE COPOLYMER MOLDING COMPOSITIONS - Compositions for forming molded articles, particularly, shells for automotive applications are made up of melt blends of aliphatic thermoplastic urethane elastomer and an olefin-containing block copolymer crosslinked to a gel content of from 5 to 95%. These compositions may be blended to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements. | 07-21-2011 |
20110130517 | Hydrolytic stability of polycarbonate containing rubber modifier - The present invention provides a thermoplastic molding composition containing an aromatic polycarbonate and a core-shell graft copolymer which is coagulated with a salt of a metal element selected from the group consisting of lithium, sodium, potassium, rubidium, cesium, francium, beryllium, magnesium, calcium, strontium, barium and radium. The molding composition may optionally include a polyalkylene terephthalate. The inventive thermoplastic molding composition exhibits improved hydrolytic stability over a comparable thermoplastic molding composition produced with a core shell graft copolymer coagulated with a salt of a metal element not selected from the group consisting of lithium, sodium, potassium, rubidium, cesium, francium, beryllium, magnesium, calcium, strontium, barium and radium. | 06-02-2011 |
20110118369 | PROCESS FOR THE PRODUCTION OF MEDIUM DENSITY DECORATIVE MOLDED FOAMS HAVING GOOD FIRE RETARDANT PROPERTIES WITH REDUCED MOLD TIMES, FIRE RETARDANT COMPOSITIONS AND FOAMS PRODUCED BY THIS PROCESS - Fire-resistant, medium density molded polyurethane foams which may be removed from a mold in substantially shorter times than previously possible are produced by the process of the present invention. These reduced de-mold times are achieved by including a solid flame retardant composition in the polyurethane foam forming composition. This solid flame retardant composition includes a melamine coated ammonium polyphosphate and zinc borate. | 05-19-2011 |
20110105673 | THERMOPLASTIC ALIPHATIC URETHANE/UREA MOLDING COMPOSITIONS - Compositions for forming molded articles, particularly, shells for automotive applications are made up of an aliphatic thermoplastic urethane/urea elastomer and, optionally, one or more copolymers, such as an olefin-containing or styrene containing copolymer. These compositions may be used to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements. | 05-05-2011 |
20110077346 | THERMOPLASTIC POLYURETHANE COPOLYMER MOLDING COMPOSITIONS - Compositions for forming molded articles, particularly, shells for automotive applications are made up of melt blends of an aliphatic thermoplastic urethane elastomer and one or more polyolefin-based modifiers. These compositions may be blended to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements. | 03-31-2011 |
20110071241 | FLAME RETARDANT, OPTICALLY CLEAR THERMOPLASTIC MOLDING COMPOSITION - The present invention relates to a flame-retardant, optically clear thermoplastic molding composition. The composition contains a A) about 60 pbw to about 97 pbw of a polycarbonate, B) about 1 pbw to about 20 pbw of bromine-substituted oligocarbonate, C) about 1 pbw to about 20 pbw of a phosphorus-containing compound and D) about 0.01 pbw to about 1 pbw of at least one alkali or alkaline-earth salt of perfluoroalkane sulfonic acid and optionally E) about 0.01 to about 1 pbw of a phosphite antioxidant/stabilizer. In accordance with UL-94 standard the flame-retardant, optically clear thermoplastic molding composition is rated 5VA at 3.00 mm and V-0 at 2.3 mm, more preferably V-0 at 1.5 mm according to UL-94. | 03-24-2011 |
20110059262 | AQUEOUS FLOOR COATINGS BASED ON UV-CURABLE POLYURETHANE DISPERSONS - The present invention is directed to a process for coating a wood substrate, the coating composition curable by radiation having a wavelength of 320 nm to 450 nm and the coated product so-produced. | 03-10-2011 |
20110054141 | ALIPHATIC MOISTURE-CURABLE RESINS, COATING COMPOSITIONS, AND RELATED PROCESSES - The present disclosure is directed to an aliphatic isocyanate-based moisture-curable resin. The disclosed resin may include an aliphatic isocyanate functional material and an cycloaliphatic isocyanate functional material. The resin may be used to formulate a coating composition that may exhibit no substantial sag when applied at a wet film thickness of at least 6 mils, and no substantial blistering when cured to a dry film thickness of at least 6 mils. | 03-03-2011 |
20110045219 | COATING COMPOSITIONS FOR GLASS SUBSTRATES - The present invention relates to an aqueous polyurethane coating composition comprising:
| 02-24-2011 |
20100331517 | POLYETHER CARBONATE POLYOLS MADE VIA DOUBLE METAL CYANDIE (DMC) CATALYSIS - The present invention relates to a polyether carbonate polyol made by copolymerizing a starter molecule with carbon dioxide, at a pressure ranging from about 10 psia to about 2,000 psia, and an alkylene oxide, at a temperature ranging from about 50° C. to about 190° C. and in the presence of from about 0.001 Wt. % to about 0.2 wt. % of a substantially non-crystalline double metal cyanide (DMC) catalyst, wherein the polyol has an incorporated carbon dioxide content of from about 1 wt. % to about 40 wt. %, wherein the ratio of cyclic carbonate by-product to total carbonate is less than about 0.3 and wherein the weight percentages are based on the weight of the polyol. The inventive polyether carbonate polyols may find use in producing polyurethane foams, elastomers, coatings, sealants and adhesives with improved properties. | 12-30-2010 |
20100324340 | SHORT CHAIN POLYETHER POLYOLS PREPARED FROM ULTRA-LOW WATER-CONTENT STARTERS VIA DMC CATALYSIS - The present invention provides a process for the polyoxyalkylation of a starter involving establishing oxyalkylation conditions in an oxyalkylation reactor in the presence of a double metal cyanide (DMC) catalyst, continuously introducing into the reactor at least one alkylene oxide and an acidified, ultra-low water content starter, in which the starter contains greater than about 100 ppm and less than or equal to about 500 ppm water, based on the weight of the starter, and recovering an oxyalkylated low molecular weight starter polyether product. The inventive process allows the production of short chain polyether polyols which have hydroxyl numbers of from greater than 250 up to about 500, from hygroscopic initiators, such as glycerin, without DMC catalyst deactivation. | 12-23-2010 |
20100280139 | Sprayable elastomeric polyurethane foam and process for its production - The present invention relates to a sprayable elastomeric polyurethane foam made from the reaction product of at least one isocyanate, at least one isocyanate-reactive component and water, optionally in the presence of at least one of blowing agents, surfactants, cross-linking agents, extending agents, pigments, flame retardants, catalysts and fillers, wherein the sprayable elastomeric polyurethane foam has a free rise density of from about 5 lb/ft | 11-04-2010 |
20100279101 | COMPOSITES PRODUCED FROM SPRAYABLE ELASTOMERIC POLYURETHANE FOAM - The present invention relates to a composite containing a first plastic layer, a second plastic layer and a sprayable elastomeric polyurethane foam made from the reaction product of at least one isocyanate, at least one polyol and water, optionally at least one of blowing agents, surfactants, cross-linking agents, extending agents, pigments, flame retardants, catalysts and fillers, wherein the sprayable elastomeric polyurethane foam is sprayed onto one surface of the first plastic layer and expands to contact and adhere to one surface of the second plastic layer which is oriented parallel to the one surface of the first plastic layer and wherein the sprayable elastomeric polyurethane foam has a free rise density of from about 5 lb/ft | 11-04-2010 |
20100260941 | REINFORCED UV-A CURABLE COMPOSITE COMPOSITIONS AND METHODS - The present disclosure is directed to a process for forming a reinforced ultraviolet (UV) radiation-curable composite. The composite may be formed by applying reinforcing layers and resin layers to a substrate. The resin composition may include an aliphatic urethane acrylate oligomer, a polyfunctional acrylate monomer, and a photoinitiator. The composite formed on the substrate may be exposed to UV radiation to cure the composite on the substrate. The composite may be characterized in that it is cured within 10 minutes of exposure to UV radiation and does not exhibit oxygen inhibition effects, such as, for example, surface tack. The reinforced UV-curable composite may find utility, for example, as a rapid field repair patch in aerospace applications, among others. | 10-14-2010 |
20100234647 | STARTER FEED STREAM ACIDIFICATION IN DMC-CATALYZED PROCESS - The process of the present invention provides for the manufacture of lower molecular weight DMC-catalyzed polyols than is possible using non-acidified continuous addition of starter (CAOS) feeds, by adding excess acid to a starter feed stream over that required for mere neutralization of the basicity of the starter. The benefits of the invention also extend to starters which do not contain basicity. Polyether polyols made by the inventive process may be used to produce improved polyurethane products such as coatings, adhesives, sealants, elastomers, foams and the like. | 09-16-2010 |
20100233431 | CLEANABLE WATERBORNE POLYURETHANE COATINGS - The present invention relates to a cleanable, waterborne polyurethane dispersion comprising the reaction product of:
| 09-16-2010 |
20100222524 | HIGH MODULUS TRANSPARENT THERMOPLASTIC POLYURETHANES CHARACTERIZED BY HIGH HEAT AND CHEMICAL RESISTANCE - Transparent thermoplastic polyurethanes characterized by high impact resistance, high flexural modulus, high chemical resistance and a deflection temperature under load of at least 50° C. at 264 psi are produced by blending a polyurethane reaction product with from 3 to 20 parts by weight, per 100 parts by weight of total blend, of a thermoplastic polyurethane. The polyurethane reaction product is prepared from a diphenylmethane diisocyanate and at least one chain extender at an NCO/OH ratio of from 0.95:1 to 1.10:1 in the absence of any isocyanate-reactive material having a molecular weight greater than 400. | 09-02-2010 |
20100216903 | FOAM-FORMING SYSTEM WITH REDUCED VAPOR PRESSURE - An isocyanate-reactive composition containing a blowing agent that includes HFC 134a and water characterized by a vapor pressure which is lower than that of comparable compositions which do not include the stabilizing composition of the present invention. The stabilizing composition of the present invention includes an ethoxylated nonylphenol and propylene carbonate. This stabilizing composition is included in the isocyanate-reactive composition in an amount sufficient to promote the solubility of the blowing agent. The isocyanate-reactive composition may be stored at ambient conditions rather than under pressure and may be hand mixed with an isocyanate to produce a foam. The isocyanate-reactive composition containing blowing agent of the present invention may be used to produce foams having good physical properties after storage at ambient temperature and pressure for periods as long as 3 months. | 08-26-2010 |
20100124652 | Carbon dioxide blown low density, flexible microcellular polyurethane elastomers - Microcellular polyurethane flexible foams having densities no greater than 0.3 g/cc which are suitable for use as lightweight shoe sole components are produced with carbon dioxide in an amount such that the polyurethane-forming mixture has a free rise density of from about 0.03 to about 0.3 g/cc. At least a portion of that carbon dioxide is dissolved as a gas into one or both of the reaction components. The amount of dissolved carbon dioxide must be such that the froth density of the isocyanate and/or isocyanate-reactive component(s) in which the carbon dioxide is dissolved will be from about 0.1 to about 0.8 g/cc. Additional carbon dioxide may be formed by the reaction of water and isocyanate during the polyurethane-forming reaction but the total amount of CO | 05-20-2010 |
20100041831 | IMPACT MODIFIED POLYCARBONATE-POLYLACTIC ACID COMPOSITION - The present invention relates to a thermoplastic molding composition containing an aromatic polycarbonate, a polylactic acid and an impact modifying amount of a non-functionalized ethylene/(meth)acrylate copolymer. The inventive composition is characterized by its higher impact resistance, flexural and tensile properties than those of corresponding compositions where the copolymer is functionalized. | 02-18-2010 |
20090292036 | TRIMER AND ALLOPHANATE MODIFIED ISOCYANATES, A PROCESS FOR THEIR PRODUCTION, FOAMS COMPRISING THESE MODIFIED ISOCYANATES, AND A PROCESS FOR THE PRODUCTION OF THESE FOAMS - This invention relates to stable liquid, trimer and allophanate-modified isocyanates, a process for the production of these isocyanates, foams prepared from these isocyanates and a process for the production of these foams. | 11-26-2009 |
20090041689 | POLYURETHANE DISPERSIONS BASED ON POLYCARBONATE POLYOLS AND SUITABLE FOR USE IN PERSONAL CARE PRODUCTS - The invention relates to a process for preparing an aqueous polyurethane dispersion suitable for use in personal care products, wherein the polyurethane is based on one or more polycarbonate polyols. | 02-12-2009 |
20090037348 | Method of calculating and displaying premium freight costs - Methods for calculating and displaying premium freight costs are provided. The methods comprise the steps of: A) selecting a time period of interest; B) selecting all shipments occurring within the selected time period and indexing the shipments into a list; C) for each shipment in the list, evaluating whether the shipment was delivered in the optimal mode, optimal source, and/or optimal carrier, and if a non-optimal mode, source or carrier was used, calculating premium freight cost; D) if the premium freight cost is not negative, adding the premium freight cost to a lane for the non-optimal mode; and E) displaying the premium freight cost by lane on a computer screen. Information for carrying out the methods of the present invention is contained in various databases containing shipment data and optimality tables. | 02-05-2009 |
20080262261 | STABLE LIQUID BIURET MODIFIED AND BIURET ALLOPHANATE MODIFIED TOLUENE DIISOCYANATES, PREPOLYMERS THEREOF, AND PROCESSES FOR THEIR PREPARATION - This invention relates to stable liquid biuret modified toluene diisocyanates, prepolymers thereof, stable liquid biuret allophanate modified toluene diisocyanates, prepolymers thereof, and to processes for the preparation of these compositions. The stable liquid biuret modified toluene diisocyanates comprise a secondary amine based biuret modified TDI having an NCO group content of about 12 to about 46% by weight. | 10-23-2008 |