| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 521174000 | -XH reactant contains a C-X-C group | 62 |
| 20080207791 | Process for producing polyurethane flexible foamed materials having low bulk density - Mechanically compressible polyurethane foamed materials with low bulk density are produced by reacting a polyol component satisfying specified compositional requirements with an isocyanate component that includes a modified toluene diisocyanate. The polyurethane foamed materials produced are useful as acoustic and thermal insulation. | 08-28-2008 |
| 20090062416 | FLEXIBLE POLYURETHANE FOAM AND PROCESS FOR ITS PRODUCTION - A process for producing a flexible polyurethane foam, which comprises reacting a polyol mixture with a polyisocyanate compound in the presence of a urethane-forming catalyst and a blowing agent, characterized in that the polyol mixture comprises the following polyol (A) and the polyol (B), and the proportion of the polyisocyanate compound to the polyol mixture is at least 90 by isocyanate index, and the total amount of Zn and Co contained in the polyol mixture is from 0.1 to 200 ppm. | 03-05-2009 |
| 20090215918 | PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM - To provide a flexible polyurethane foam which is excellent in low resiliency and durability without using a plasticizer and which shows little change in hardness against a change in temperature and at the same time, has high air flow. | 08-27-2009 |
| 20100016461 | RIGID POLYURETHANE FOAMS - The invention relates to rigid polyurethane foams which can be produced by reacting
| 01-21-2010 |
| 20100029799 | POLYETHER POLYOL, RIGID POLYURETHANE FOAM AND PROCESSES FOR PRODUCTION THEREOF - Highly-functionalized, low-viscosity polyether polyols are obtained by dehydration condensation reaction of alcohols. | 02-04-2010 |
| 20100048754 | VISCOELASTIC POLYURETHANE FOAMS COMPRISING OLIGOMERIC NATURAL OIL POLYOLS - Described are viscoelastic polyurethane foams that comprise an oligomeric natural oil polyol and a petroleum-derived polyol. The viscoelastic foams are formed by reacting a polyisocyanate with an active-hydrogen composition that comprises the oligomeric natural oil polyol and petroleum-derived polyol. | 02-25-2010 |
| 20100179240 | PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM, PROCESS FOR PRODUCING HOT PRESS MOLDED PRODUCT, AND HOT PRESS MOLDED PRODUCT - To provide a process for producing a flexible polyurethane foam which is excellent in low resiliency, air flow and hot moldability, and a process for producing a hot press molded product by using such a flexible polyurethane foam. Further, the present invention provides a hot press molded product which has a low resiliency and air flow. | 07-15-2010 |
| 20100298460 | PROCESS FOR PREPARING POLYETHER ALCOHOLS - The invention relates to a process for preparing polyether alcohols, which comprises the steps
| 11-25-2010 |
| 20110015293 | POLYETHER NATURAL OIL POLYOLS AND POLYMERS THEREOF - A polyether NOP comprises at least two natural oil moieties separated by a molecular structure having at least about 19 ether groups or by a polyether molecular structure having an equivalent weight of at least about 480, said polyol referred to hereinafter as a polyether NOP. The polyether NOP is preferably prepared by a process comprising admixing at least one polyether initiator having an equivalent weight of at least about 480 or at least about 19 ether groups per active hydrogen group with at least one natural oil or derivative thereof under reaction conditions such that at least one polyether NOP is formed. The invention includes reaction products of the polyether NOP or combinations thereof, optionally and preferably in admixture with at least one other polyol which preferably includes at least one polyether polyol and at least one monomer reactive therewith, preferably at least one polyisocyanate to form a polyurethane, preferably in the form of a foam, especially a high resilience foam. The invention includes articles comprising at least one polyether NOP, at least one polymer thereof, or at least one foam thereof. | 01-20-2011 |
| 20110118373 | CELLULAR ELASTOMER WITH LITTLE TENDENCY TOWARD CREEP AT HIGH TEMPERATURES - The present invention relates to cellular polyisocyanate polyaddition products whose density to DIN EN ISO 845 is from 200 to 800 kg/m | 05-19-2011 |
| 20110124762 | NATURAL RESOURCE BASED VISCOELASTIC FOAMS - Embodiments of the present invention disclose viscoelastic foams having a renewable natural resource contents of between about 1 and about 25 wt % of the foam. The foams may have a ratio of elastic modulus (E′) at 20° C. to 25% compression force deflection (CFD) of 25 to 125. | 05-26-2011 |
| 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 |
| 20110263744 | Novel weather-resistant polyurethane casting compounds, a process for preparation thereof and use thereof - The invention concerns novel weather-resistant polyurethane casting compounds, a process for preparation thereof and use thereof in the building sector. | 10-27-2011 |
| 20120016049 | POLYOXYALKYLENE POLYOL OR MONOOL AND POLYURETHANE RESIN - An object of the present invention is to provide a polyoxyalkylene polyol and a polyoxyalkylene monool, capable of producing a urethane elastomer and a urethane foam which are sufficiently excellent in mechanical properties and moisture resistance. | 01-19-2012 |
| 20120022179 | PROCESS FOR PRODUCING RIGID POLYURETHANE FOAMS - The invention relates to a process for producing rigid polyurethane foams by reacting
| 01-26-2012 |
| 20120202908 | PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM - A process for producing a flexible polyurethane foam includes reacting a polyol mixture (X) with a polyisocyanate compound. The polyol mixture (X) includes a polyol (A), a polyol (B), and a monool (D). The reaction is in the presence of a dioctyltin dilaurate as a urethane-forming catalyst, a blowing agent, and the like. The polyol (A) is a polyoxyalkylene polyol with a hydroxy value of from 10 to 60 mgKOH/g. The polyol (B) is a polyoxyalkylene polyol with a hydroxy value of from 100 to 250 mgKOH/g. The monool (D) is a polyoxyalkylene monool with a hydroxy value of from 10 to 200 mgKOH/g. | 08-09-2012 |
| 20120225964 | BRANCHED POLY(TRIMETHYLENE ETHER) POLYOLS - Disclosed is branched poly(trimethylene ether)polyols prepared from the acid catalyzed polycondensation reaction of 1,3-propanediol, and at least one triol comonomer selected from 1,1,1-tris(hydroxymethyl)ethane and 1,1,1-tris(hydroxymethyl)propane. Also disclosed is a branched poly(trimethylene ether)polyol with an equivalent hydroxyl functionality of about 2.1 to about 3.2 and a M | 09-06-2012 |
| 20130030074 | PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHEROLS - The present invention relates to a process for the continuous production of polyether alcohols. | 01-31-2013 |
| 20130065980 | POLYURETHANE FOAM FOR SEAT PAD - Polyurethane foam for a seat pad that achieves both reduced shakiness and reduced stress relaxation and is suitable particularly for a vehicle seat pad is provided, and the polyurethane foam contains a foaming liquid containing (A) a polyol component, (B) a polyisocyanate component, (C) water and (D) a catalyst, which has been foam-molded, wherein the polyol component (A) contains from to 50% by mass of (a-1) a polyether polyol having a molar ratio of repeating units derived from ethylene oxide and propylene oxide of from 5/95 to 25/75 and a number average molecular weight of from 6,000 to 8,000, and containing from 5 to 15% by mass of (a-2) a polyether polyol having a molar ratio of repeating units derived from ethylene oxide and propylene oxide of from 0/100 to 20/80 and a number average molecular weight of from 600 to 2,000, and an amount of water (C) contained is 2.0 parts by mass or more per 100 parts by mass of the polyol component (A). | 03-14-2013 |
| 20130131207 | METHOD FOR PRODUCING HYDROPHILIC, ALIPHATIC POLYURETHANE FOAMS HAVING A LOW BULK DENSITY - The invention relates to a method for producing hydrophilic, aliphatic polyurethane foams having a low bulk density. The invention also relates to a hydrophilic, aliphatic polyurethane foam which can be obtained according to said method and to the use thereof as a wound dressing, incontinence product or as a cosmetic article. | 05-23-2013 |
| 20130131208 | POLYOL, POLYOL COMPOSITION, AND FLEXIBLE POLYURETHANE FOAM USING THE SAME - Disclosed are a polyol with a molecular weight distribution Mw/Mn of 4 or more, obtained by reacting a compound comprising an alkylene oxide compound (II) having a hydroxyl group in a base polyol (I) with a molecular weight of 2000 or more; and a polyol composition for a flexible polyurethane foam, comprising a polyol compound and a crosslinker, wherein the crosslinker comprises a polyol (a) with a hydroxyl value of 50 to 1100 mgKOH/g and with a primary hydroxylate ratio of 25% or more and 60% or less, which is obtained by an addition of a compound comprising alkylene oxide compound (ii) having a hydroxyl group to active hydrogen compound (i). | 05-23-2013 |
| 20130143977 | Ethylene Oxide/Propylene Oxide Polyether Polyols and Polyurethanes Made Therefrom - Copolymers of propylene oxide and ethylene oxide have an inner block that contains from 65-90 weight percent oxyethylene units and from 10 to 35 weight percent oxypropylene units. This block has a molecular weight of from 150 to 350. The copolymer has an outer block which contains at least 95 weight % oxypropylene units and from 0 to 5% oxyethylene units. The equivalent weight of the copolymer is from 800 to 2000. The copolymers are useful in making polyurethane foams that have unexpectedly high tensile and/or tear strengths. | 06-06-2013 |
| 20130190420 | NONTEMPERATURE SENSITIVE MEMORY FOAM OF MDI SYSTEM SUITABLE FOR HORIZONTAL FOAMING PROCESS - A MDI system non-temperature sensitive memory sponge suitable for flat foam foaming process, is made by mainly using polyether polyol and polymer polyol as main material, then adding three additives isocyanate and foaming agent, the pore adjusting agent and catalyst. The polyether polyol is polyoxypropylene glycerol with molecular weight of 700, the polymer polyol is high activity grafting polyether, the isocyanate is modified polyphenyl methane diisocyanate, wherein a polyoxypropylene trihydroxy ether with the molecular weight of 4800 is added to the polyether polyol, polyol chain extender is added to said additives. | 07-25-2013 |
| 20130261206 | PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHEROLS - The present invention relates to a process for the continuous production of polyether alcohols by catalyzed addition of at least one alkylene oxide to at least one hydrogen-functional starter compound, wherein at least one catalyst exhibits the structural element R1/R2C=N−R3. | 10-03-2013 |
| 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 |
| 20130296451 | REACTION PRODUCT FROM THE CO-DEHYDRATION OF A SUGAR ALCOHOL AND A POLYOL - A reaction product of the co-dehydration of a sugar alcohol and a reactant polyol having a number average hydroxyl functionality less than 4.0 is disclosed. In some aspects the sugar alcohol comprises mannitol, sorbitol, xylitol, erythritol, or mixtures thereof. In some preferred aspects the sugar alcohol comprises sorbitol. In some aspects the reactant polyol has an average molecular weight of from 40 to 500 Daltons. In some aspects, the reaction product may be suitable for the manufacture of polyisocyanurate foam. In some aspects the reaction product may be mixed with diluent polyols, such as diols, glycols, ethylene glycol, diethylene glycol, dipropylene glycol, propylene glycol, polyethylene glycol, polypropylene glycol and mixtures thereof. | 11-07-2013 |
| 20130310478 | VISCOSITY REDUCING AGENTS FOR POLYETHER POLYOLS - The present invention relates to a process for the preparation of a polyurethane, comprising the process steps:
| 11-21-2013 |
| 20140018459 | METHOD FOR PRODUCING SHORT-CHAIN POLYFUNCTIONAL POLYETHER POLYOLS UTILIZING SUPERACID AND DOUBLE-METAL CYANIDE CATALYSIS - A two stage alkoxlyation process for preparing a short-chain polyether polyol from a starter compound comprising from 3 to 9 hydroxyl groups and at least one alkylene oxide, wherein said starter compound has a hydroxy equivalent weight of from 22 to 90 Da. Said process comprises a first stage alkoxlyation using a superacid catalyst to prepare an oligomeric alkoxylated starter compound that is further alkoxylated to the short-chain polyether polyol of the invention in a second stage using a DMC catalyst. The process of the present invention may be performed continuously, in a batch, or semi-batch process. | 01-16-2014 |
| 20140148524 | POLYURETHANE FOAM PANEL AND PRODUCTION METHOD FOR POLYURETHANE FOAM PANEL - A polyurethane foam panel, obtained by mixing a polyol composition comprising polyol compounds, and water as a blowing agent with a polyisocyanate component to react therewith, wherein the polyol compounds comprise a polyether polyol (A) which is a polymer made from an alkylene oxide and has an average functional group number of 2 to 4 and a weight-average molecular weight of 3000 to 8000, and a short glycol (B) having a molecular weight less than 250, the water is contained in an amount of 20 to 100 parts by weight for 100 parts by weight of the polyol compounds, and the thickness direction of the polyurethane foam panel is substantially perpendicular to the foamed direction of cells in the foam or at the time of mixing and reacting the polyol composition and the polyisocyanate component with each other, the isocyanate index of the component is 30 or less. | 05-29-2014 |
| 20140155509 | POLYOL COMPOSITION FOR RIGID POLYURETHANE FOAM AND PRODUCTION METHOD FOR RIGID POLYURETHANE FOAM - A polyol composition for a rigid polyurethane foam, which comprises polyol compounds, and water as a blowing agent, and which is mixed with a polyisocyanate component to react therewith, and thereby forming the rigid polyurethane foam, wherein the polyol compounds comprise a polyether polyol (A) which is a polymer made from an alkylene oxide and has an average functional group number of 2 to 4 and a weight-average molecular weight of 3000 to 8000, and a short glycol (B) having a molecular weight less than 250, and the water is contained in an amount of 20 to 100 parts by weight for 100 parts by weight of the polyol compounds. | 06-05-2014 |
| 20140179816 | VISCOSITY REDUCING AGENTS FOR POLYETHER POLYOLS - The present invention relates to a process for the preparation of a polyurethane, comprising the process steps:
| 06-26-2014 |
| 20140206787 | Polyfunctional Polyglycerine Initiated Polyether Polyols and High Resilience Polyurethane Slabstock Therefrom - A polyglycerine initiated polyether polyol exhibiting a final functionality less than the nominal functionalities of the polyol initiator wherein the initiator is a polyglycerine formed by the polymerization of glycerin having an HEW less than about 35 and exhibiting a nominal functionality between 2 and 16 is provided. Also provided is a process for producing a polyfunctional polyurethane by the reaction of a mixture containing a polyol based on polyglycerine initiator wherein between 5 wt % and 100 wt % of the total initiator is polyglycerine having a nominal functionality between 2 and 16, at least one organic isocyanate, an amine and/or a metal salt catalyst, and optionally a blowing agent. Also provided is a flexible polyurethane foam comprising a reaction product of a polyglycerine or formed by the glycidol polymerization of glycerin, at least one organic isocyanate, and an amine catalyst. | 07-24-2014 |
| 20140213680 | POLYSULFIDE POLYOLS, THEIR PRODUCTION AND USE - The present invention relates to polysulfide polyols, their production and use. | 07-31-2014 |
| 20140221518 | COMPOSITION FOR USE IN THE MANUFACTURE OF POLYURETHANE SYSTEMS - The invention relates to a composition for producing a polyurethane system, especially a polyurethane foam. The composition comprising one or more compounds comprising at least one 5- or 6-membered ring comprising one or two oxygen atoms and carbon atoms The present invention also relates to a process for producing polyurethane systems by using this composition as well as polyurethane systems obtained from such a process. The present invention also relates to the use of the polyurethane system of the present invention. | 08-07-2014 |
| 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 |
| 20140275313 | METHOD TO INCREASE THE RESISTANCE OF DOUBLE METAL CYANIDE CATALYSTS TO DEACTIVATION - This invention relates to a semi-batch process for the production of polyoxyalkylene polyether polyols. These polyoxyalkylene polyether polyols have hydroxyl (OH) numbers of from 112 to 400. This process comprises establishing oxyalkylation condition in a reactor in the presence of a DMC catalyst, continuously introducing alkylene oxide and a suitable starter into the reactor, and recovering an oxyalkyated polyether polyol. The oxyalkylation initially occurs at a temperature that is sufficiently high enough to avoid or prevent deactivation of the DMC catalyst, or for from 2% to 50% of the total oxide feed amount, and the oxyalkylation is then continued at a lower temperature. | 09-18-2014 |
| 20140296361 | Process for Making a Polyurethane Foam - Process for making a foam suitable as plant growth medium by reacting a polyisocyanate, a polyether polyol mixture and water at an isocyanate index of 90-150 wherein the polyol mixture used comprises at least 2 polyols and wherein the polyol mixture comprises less than 50% by weight oxyethylene calculated on the weight of the polyol mixture. | 10-02-2014 |
| 20140309324 | Process for making a flexible polyurethane foam - Process for making a flexible polyurethane foam by reacting a polyisocyanate and a polyol composition in the presence of water, a reactive amine catalyst and a specific metal salt. The foams have a low level of volatile organic compounds (VOCs) and a desirable combination of mechanical and durability properties | 10-16-2014 |
| 20140364527 | LOW-VISCOSITY REACTIVE POLYURETHANE COMPOUNDS - The present invention relates to a method for the production of low-viscosity polyurethane prepolymers (PUR prepolymers) based on 2,4′-MDI, as well as the use of said polyurethane prepolymers. | 12-11-2014 |
| 20150087738 | Polyurethane Grout Compositions - The present invention typically provides one-component polyurethane grout compositions and more specially to grout composition useful for seepage control and quick stoppage of water leakage under high water pressure environment, wherein the composition comprises a isocyanate prepolymer and auxiliary components selected from a plasticizer, a silane coupling agent, a catalyst, a cell stabilizer, an anionic surfactant, a filler, a blowing agent or a mixture thereof. The invention also provides the isocyanate prepolymer composition, obtained by reacting a polyfunctional isocyanate, with a polyfunctional polyol comprising at least one polyether polyol containing relatively low amount of ethylene oxide units, and optionally other polyfunctional polyols such as polyester polyols, biorenewable polyols or a mixture thereof, and at least a monofunctional hydroxyl containing compound, wherein the NCO content of said prepolymer is 3%˜18%. The resulting grout composition can cure into a solid under water pressure from 1 MPa to 20 MPa. | 03-26-2015 |
| 20150087739 | Antimicrobial Polyurethane Foam and Process to Make the Same - An antimicrobial polyurethane foam that is formed from: a multi-functional isocyanate component; an aqueous polyol component reactive with the multi-functional isocyanate component; an antimicrobial metallic compound; and a complexing agent. The complexing agent is used to form a stable blend of the antimicrobial metallic compound with the polyol component. Exemplary complexing agents include amine compounds, ammonium-containing compounds and ammonia as well as combinations these compounds. The antimicrobial metallic compound can be a silver, zinc or copper compound. Desirably, the antimicrobial metallic compound is silver saccharinate. A process of making the antimicrobial polyurethane foam and stable blends used in the manufacture of the antimicrobial polyurethane foam are also disclosed. | 03-26-2015 |
| 20150141542 | METHOD FOR PRODUCING FLAME-PROTECTED POLYURETHANE FOAMS HAVING LOW BULK DENSITIES - The present invention provides a method for producing flame-retardant polyurethane foams, the resulting flame-retardant polyurethane foams having particularly low densities. | 05-21-2015 |
| 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 |
| 20150291758 | POLYURETHANE RESIN - Disclosed is a polyurethane resin which is obtained by a reaction between a polyisocyanate component, which contains 1,4-bis(isocyanatomehyl)cyclohexane including not less than 80% by mole of trans isomers, and an active hydrogen compound component. | 10-15-2015 |
| 20150337072 | USE OF TIN SALTS OF NEODECANOIC ACID IN THE PRODUCTION OF POLYURETHANE SYSTEMS - The invention relates to a catalyst system suitable for catalysis of the production of polyurethane systems, which is characterized in that the catalyst system contains a tin salt of neodecanoic acid. | 11-26-2015 |
| 20150368420 | AMINES SUITABLE FOR USE IN THE MANUFACTURE OF POLYURETHANES - The present invention relates to the use of nitrogenous compounds of formula (I) or of corresponding quaternized, or protonated compounds, for producing polyurethanes, to compositions containing these compounds and also to polyurethane systems obtained using the compounds. | 12-24-2015 |
| 20150376332 | Ethylene Oxide/Propylene Oxide Polyether Polyols and Polyurethanes Made Therefrom - Copolymers of propylene oxide and ethylene oxide have an inner block that contains from 65-90 weight percent oxyethylene units and from 10 to 35 weight percent oxypropylene units. This block has a molecular weight of from 150 to 350. The copolymer has an outer block which contains at least 95 weight % oxypropylene units and from 0 to 5% oxyethylene units. The equivalent weight of the copolymer is from 800 to 2000. The copolymers are useful in making polyurethane foams that have unexpectedly high tensile and/or tear strengths. | 12-31-2015 |
| 20160002425 | Additives for Improving Polyurethane Foam Performance - Polyurethane foam compositions and processes to make flexible polyurethane foams are disclosed. Polyurethane foam is produced in the presence of additives comprising guanidine derivatives. Improvements in physical properties such as air flow, dimensional stability, tensile, tear, elongation and foam hardness is observed when these additives are present in polyurethane formulations. In addition, these additives can minimize polymer degradation under humid ageing conditions resulting in foam products with better mechanical properties. | 01-07-2016 |
| 20160037767 | ENCAPSULATION OF ACTIVE INGREDIENTS AND METHOD OF MAKING - A method of preparing a silicon-containing polymeric structure coated/encapsulated active ingredient is disclosed. The method has the steps of providing an insoluble active ingredient; dispersing the active ingredient in a liquid medium to form a suspension of the active ingredient; adding a silicon-containing polymeric structure precursor to the suspension; and reacting the precursor to form the silicon-containing polymeric structure. The silicon-containing polymeric structure is formed around the active ingredient, thereby forming a silicon-containing polymeric structure coated/encapsulated active ingredient. The silicon-containing polymeric structure coated/encapsulated active ingredient may be used in place of the active ingredient itself | 02-11-2016 |
| 20160102169 | Polyurethane Catalysts from Sulfur Based Salts - This invention discloses the use of sulfite salts as catalysts to make polyurethane polymers. In particular, this invention discloses the use of metal salts such as alkali metal salts as well as alkyl ammonium salts such as tetralkyl ammonium salts as catalysts to make polyurethane polymers. The sulfite salts are useful to make a wide variety of polyurethane polymers and polyurethane foam polymer products such as flexible polyurethane foam polymers, rigid foam polyurethane polymers, semi-rigid polyurethane polymer, microcellular polyurethane polymer, and spray foam polyurethane polymer as well as any polymeric material that requires the assistance of catalysts to promote the formation of urethane and urea bonds such as those found in polyurethane emusions for paints, coatings, protective coatings, lacquer, etc as well as other polyurethane or polyurethane containing materials such as thermoplastic polymers, thermoplastic polyurethane polymers, elastomers, adhesives, sealants, etc. Examples of catalysts comprising the invention include sodium sulfite, potassium sulfite, lithium sulfite, tetramethylammonium sulfite and the like. | 04-14-2016 |
| 20160130407 | POLYETHERCARBONATE-POLYOXYMETHYLENE BLOCK COPOLYMERS - The present invention relates to a method for producing polyethercarbonate-polyoxymethylene block copolymers, comprising the step of polymerizing formaldehyde, wherein formaldehyde is polymerized in the presence of a polyethercarbonate having at least one Zerewitinoff-active H atom, obtaining an intermediate product. The obtained intermediate product can be further reacted with a cyclic carboxylic acid ester or carbonic acid ester, a cyclic anhydride, an epoxide, and/or an isocyanate, wherein a hydroxyl- or carboxy-functional or NCO-modified polyethercarbonate-polyoxymethylene block copolymer is obtained. The present invention further relates to polyethercarbonate-polyoxymethylene block copolymers that can be obtained by means of such a method and to the use of same to produce polyurethane polymers. | 05-12-2016 |
| 521175000 | C-X-C reactant contains a carbohydrate group | 3 |
| 20100076104 | FOAM COMPOSITIONS AND ARTICLES INCLUDING CYCLODEXTRIN CROSSLINKED WITH POLYURETHANE PREPOLYMER AND PREPARATION THEREOF - An odor-absorbing foam composition comprising a cyclodextrin crosslinked with a polyurethane prepolymer. In one embodiment, the foam includes a ratio of the cyclodextrin to the polyurethane prepolymer selected to result in formation of the foam. The odor-absorbing foam may be used in a personal care product or wound care. A process for preparing a foam, including providing a cyclodextrin; providing a polyurethane prepolymer; combining the cyclodextrin with the polyurethane prepolymer; and allowing the polyurethane prepolymer to react with water and crosslink the cyclodextrin to form the foam. A process for preparing an odor-absorbing foam article such as a personal care product, including preparing the foam and applying it or the components thereof to a suitable substrate. | 03-25-2010 |
| 20100179241 | FOAMED ISOCYANATE-BASED POLYMER, A MIX AND PROCESS FOR PRODUCTION THEREOF - The invention relates to a foamed isocyanate-based polymer derived from a reaction mixture comprising an isocyanate, an active hydrogen-containing compound, a blowing agent and a highly branched polysaccharide which is derivatized with at least two esters of different length. Further the invention relates to a mix and a process for the production of isocyanate-based polymer. The mix for the production of a foamed isocyanate-based polymer comprises a mixture of the derivatized polysaccharide of the invention and an active hydrogen-containing compound. The process for producing a foamed isocyanate-based polymer comprises the steps of: contacting an isocyanate, an active hydrogen-containing compound, the derivatized highly branched polysaccharide of the invention and a blowing agent to form a reaction mixture and expanding the reaction mixture to produce the foamed isocyanate-based polymer. The derivatized highly branched polysaccharide of the invention has an active hydrogen functionality of less than 15 and comprises randomly bonded glucopyranose units, having an average number of 10-100 glucose residues. | 07-15-2010 |
| 20150038610 | RIGID FOAM AND ASSOCIATED ARTICLE - A polyurethane or polyisocyanurate foam is prepared from a reaction mixture that includes comprising a polyol, an aromatic isocyanate compound, and a blowing agent. The polyol includes a poly(phenylene ether) having a number average molecular weight of 600 to 2000 atomic mass units and an average of 1.5 to 3 hydroxyl groups per molecule. The polyurethane or polyisocyanurate foam exhibits improved resistance to burning and/or reduced elapsed times to formation of tack-free foams relative to foams prepared without the poly(phenylene ether). | 02-05-2015 |
| 521176000 | With non -C-X-C- containing reactant | 5 |
| 20090253822 | POLYURETHANE FOAM AND METHOD FOR MANUFACTURING THE SAME - A polyurethane foam is obtained by reacting, foaming, and curing raw material that includes a polyol, a polyisocyanate, a blowing agent, a catalyst, and an inorganic compound hydrate. The raw material includes, as the polyol, a polymeric polyol obtained by graft polymerization of a vinyl monomer onto a polyether polyol and a polyether polyol obtained by addition polymerization of an alkylene oxide to a polyhydric alcohol and having a mass average molecular weight of 400 to 1,000. The blending quantity of the inorganic compound hydrate is 10 to 80 parts by mass per 100 parts by mass of the polyol. Preferably, the raw material further includes, as the polyol, a polyether polyol obtained by addition polymerization of an alkylene oxide to a polyhydric alcohol and has a molecular weight of 2,000 to 4,000. | 10-08-2009 |
| 20130035413 | CELLULAR STRUCTURES AND VISCOELASTIC POLYURETHANE FOAMS - The present invention discloses a structure comprising a plurality of three dimensional cells, wherein each cell comprises exterior walls defining an interior void wherein the walls comprise a plurality of struts and windows, the struts forming borders for the plurality of windows, wherein the struts have a plurality of pores. The present invention further discloses a viscoelastic foam having a ratio of elastic modulus (E′) at 20° C. to 25% compression force deflection (CFD) of 25 to 125. | 02-07-2013 |
| 20130178550 | PROCESS FOR MAKING HIGH AIRFLOW AND LOW COMPRESSION SET VISCOELASTIC POLYURETHANE FOAM - A reaction system comprising (a) a polyisocyanate component and (b) an isocyanate reactive component for preparation of a polyurethane foam having high air flow with low compression set is provided. The isocyanate reactive component comprises (i) from 45 to 70% by weight of one or more PO-rich polyols having a combined number average equivalent weight from 210 to 510, (ii) from 20 to 30% by weight of one or more ethylene oxide polyols having a combined number average equivalent weight from 200 to 500, (iii) from 10 to 25% by weight of one or more ethylene oxide-alkylene oxide polyethers having a combined number average equivalent weight from 300 to 800; and (iv) from 0.5 to 15% by weight of one or more PO-rich polyols having a functionality of 1 to 4 and a combined number average equivalent weight of 2,000 to 6,000. | 07-11-2013 |
| 20160024268 | LOW-RESILIENCE POLYURETHANE FOAM AND PRODUCTION METHOD THEREOF - A low-resilience polyurethane foam is produced by allowing a low-resilience polyurethane foam composition containing polyisocyanate (a), polyol (b), catalyst (c), and blowing agent (d) to react. The polyisocyanate (a) contains bis(isocyanatomethyl)cyclohexane, and the polyol (b) contains 5 to 30 mass % of polyol (b-1) having an average functionality of 1.5 to 4.5 and a hydroxyl number of 20 to 70 mgKOH/g, and 70 to 95 mass % of polyol (b-2) having an average functionality of 1.5 to 4.5 and a hydroxyl number of 140 to 300 mgKOH/g. | 01-28-2016 |
| 20160046758 | RIGID POLYURETHANE FOAMS WITH HIGH ACOUSTIC ABSORPTION - The present invention relates to predominantly (>50 vol %) open-cell (to DIN ISO | 02-18-2016 |
| 521177000 | C-X-C reactant contains a carbocyclic ring, e.g., aromatic, etc. | 3 |
| 20130012610 | LIGNIN AND OTHER PRODUCTS ISOLATED FROM PLANT MATERIAL, METHODS FOR ISOLATION AND USE, AND COMPOSITIONS CONTAINING LIGNIN AND OTHER PLANT-DERIVED PRODUCTS - Lignin polymers having distinctive properties, including a generally high molecular weight and generally homogeneous size distribution, as well as preservation of native reactive side groups, are isolated by solvent extraction of plant materials. Methods for isolation of lignin polymers, and for use of the isolated lignin polymers are disclosed. Compositions containing lignin isolated from plant materials, such as carbon fiber composites, resins, adhesive binders and coatings, polyurethane-based foams, rubbers and elastomers, plastics, films, paints, nutritional supplements, food and beverage additives are disclosed. Xylose and xylose derivatives, furfural, fermentable sugars, cellulose and hemi-cellulose products may be used directly or further processed. The lignin polymers and other plant-derived products disclosed herein may be produced in abundance at low cost, and may be used as substitutes for feedstocks originating from fossil fuel or petrochemical sources in the manufacture of various products. | 01-10-2013 |
| 20140364528 | POLYOL FORMULATIONS FOR IMPROVED COLD TEMPERATURE SKIN CURE OF POLYURETHANE RIGID FOAMS - A polyol formulation comprising certain type of polyester polyols useful in the preparation of rigid polyurethane foams having low surface friability is provided. In one embodiment, a reaction system for production of a rigid foam is provided. The reaction system comprises a polyester polyol and one or more polyisocyanates, wherein the polyester polyol and the polyisocyanates are mixed in amounts sufficient to provide a rigid polyurethane foam. The polyester polyol comprises the reaction product of from 20 to 60 weight percent of an aromatic component comprising at least 80 mole percent or greater of terephthalic acid, from 20 to 60 weight percent of a polyethylene glycol having a number average molecular weight from 150 to 1,000, from 5 to 20 weight percent of a glycol having a functionality of 2 and molecular weight of 60 to 250 and from 5 to 20 weight percent of a glycol having a functionality of at least 3 and a molecular weight of 60 to 250. | 12-11-2014 |
| 20160145285 | Bio-Oil Polyols, Alkoxylated Bio-Oil Polyols and Bio-Oil Phenolic Resins - Methods are provided for producing bio-oil polyols, alkoxylating bio-oil polyols to provide polyols, and for employing the alkoxylated bio-oil polyols for making polymers or copolymers of polyesters or polyurethanes. Compositions and methods are provided for incorporating bio-oils into phenolic resins such as phenol-formaldehyde resin and phenol-formaldehyde-urea resin, as well as hot melt adhesive compositions. | 05-26-2016 |
