Class / Patent application number | Description | Number of patent applications / Date published |
525178000 | With a polycarboxylic acid or derivative and a polyamine or the corresponding salt thereof; or with a lactam; or with an aminocarboxylic acid; or with the corresponding polymers; and wherein the monomer or polymer was derived from at least one saturated reactant | 39 |
20080255310 | Thermoplastic Elastomer Composition and Process for Producing Same - A thermoplastic elastomer composition having excellent durability and flexibility while possessing superior air impermeability. In particular, a process for producing a thermoplastic elastomer composition having high rubber content by multistage addition of at least one vulcanizable rubber component, in which the time required to substantially cure the at least one rubber component preferably is less the mixer residence time. Such compositions are particularly useful in applications such as tire innerliners and barrier films or layers. | 10-16-2008 |
20080275187 | Low Permeability Thermoplastic Elastomer Composition - A thermoplastic elastomer composition possessing superior air impermeability, excellent durability and flexibility. In particular, the composition includes (A) at least one halogenated isobutylene-containing elastomer; and (B) at least one nylon resin having a melting point of about 170° C. to about 260° C.; and (C) a low molecular weight polymeric nylon plasticizer; wherein: (1) the at least one elastomer is present as a dispersed phase of small vulcanized particles in a continuous nylon phase; and (2) the elastomer particles are formed by dynamic vulcanization. Use of a low molecular weight nylon plasticizer provides for improved mixing and rubber dispersion while retaining the high levels of impermeability achievable by the use of nylon resin and halogenated isobutylene-containing elastomer in a dynamically vulcanized composition. Such compositions are particularly useful in applications such as tire innerliners and barrier films or layers as well as hoses. | 11-06-2008 |
20080312379 | Method for Compounding Polycondesates - The invention relates to a process for compounding polycondensates selected from the group consisting of polyamide, polyester and polycarbonate, in the presence of an epoxy-containing styrene and/or (meth)acrylic monomer, of a bisphenol A epoxide or of an epoxy-containing natural oil or fatty acid ester, which comprises carrying out the compounding at temperatures less than/equal to 220° C. and in the presence of an activator selected from the group consisting of: zinc, titanium compound and C | 12-18-2008 |
20090143534 | MULTILAYERED PELLET AND MOLDED RESIN - Multilayered pellets are provided that contain an ethylene-vinyl alcohol copolymer (EVOH) and a polyamide resin and that have excellent thermal stability during pelletizing and melt molding. The multilayered pellets each are composed of at least two resin layers and include a resin layer A whose main component is EVOH and a resin layer B whose main component is a polyamide resin. In the multilayered pellets, at least 70 mol % of all the terminals of the polyamide resin are blocked by units each containing an imide structure. | 06-04-2009 |
20090221754 | POLYMER COMPOSITIONS OF BROMOSTYRENES HAVING CONTROLLED MOLECULAR WEIGHT - A controlled molecular weight polymer of styrene is provided having bromine substituted thereon. Control of molecular weight is achieved by the use of alphα-methyl styrene dimer as a chain transfer agent. The brominated polymer of styrene is useful as a flame retardant, particularly for polyamides giving improved properties including color retention after molding. | 09-03-2009 |
20100113701 | ORIENTED THERMOPLASTIC ELASTOMER FILM AND PROCESS FOR PRODUCING THE SAME - An oriented thermoplastic elastomer film having reduced permeability and improved fatigue resistance comprising a dynamically vulcanized polymer blend of (A) a halogenated isobutylene elastomer and (B) polyamide, the film is produced by casting or blowing the above polymer blend under the condition such that a shear rate at a die lip for casting or blowing is regulated to control the molecular arrangement in the film, whereby the planar birefringence (PBR) of the resultant film becomes greater or equal to 0.002 and a production process of the same. | 05-06-2010 |
20110009566 | THERMOPLASTIC POLYAMIDES HAVING POLYETHER AMINES - Thermoplastic molding compositions comprising A) from 10 to 99% by weight of at least one thermoplastic polyamide, B) from 0.01 to 30% by weight of at least one highly branched or hyperbranched polyetheramine, C) from 0 to 70% by weight of further added materials, where the total of the percentages by weight of components A) to C) is 100%; the use of polyetheramines for improving the flowability and/or thermal stability of polyamides; and to the use of the molding compositions for the production of fibers, of foils, or of moldings of any type, and also to the resultant fibers, foils, or moldings. | 01-13-2011 |
20140088257 | COMPOSITE MATERIALS COMPRISING POLYAMIDS AND FLUOROELASTOMERS - A composite material comprising a first component directly bonded to a second component, the first component comprising a peroxide cured fluoroelastomer having a temperature reflection TR-10 of −19 C or lower as measured according to ASTM D 1329 and the second component comprising a polyamide resin, and methods of making such composite materials and shaped articles containing the composite materials. | 03-27-2014 |
20140155551 | PEROXIDE CURABLE FLUOROELASTOMER COMPOSITIONS - Disclosed herein is a curable composition comprising a peroxide curable fluoroelastomer, an organic peroxide, a multifunctional coagent and a polyamide. Such curable compositions cure to a high degree in a short time. | 06-05-2014 |
20140155552 | HEAT AGING RESISTANT ETHYLENE VINYL ACETATE COPOLYMER COMPOSITION AND PROCESS FOR ITS PRODUCTION - Heat resistant ethylene vinyl acetate copolymer compositions comprising a blend of ethylene vinyl acetate copolymer, peroxide curable polyacrylate elastomer, and polyamide are described. When crosslinked with a peroxide curative, the ethylene vinyl acetate copolymer compositions exhibit enhanced resistance to heat aging compared to conventional ethylene vinyl acetate elastomer compositions. | 06-05-2014 |
20140378615 | FLUORORESIN AND POLYAMIDE FIBER COMPOSITION, AND SLIDING MEMBER MADE THEREFROM - Described herein are fluororesin compositions of melt processible fluororesin and wholly aromatic polyamide fibers. The wholly aromatic polyamide fibers have an average fiber diameter of 10-20 μm and an average fiber length of 100-1,000 μm. The compositions are melt processible and can be melt molded into sliding members having low wear when used with sliding counterparts made of metals such as aluminum, copper, zinc or nickel. | 12-25-2014 |
20150094426 | PIPE JOINING MATERIAL FOR CONNECTING PIPES - A pipe joining material for connecting pipes and fittings and a method of making a pipe joining material are provided. The pipe joining material may include a thermoplastic material such as polyvinyl chloride (PVC) and/or chlorinated polyvinyl chloride (CPVC) and a bonding agent for the thermoplastic material. | 04-02-2015 |
20150291743 | RESIN-RUBBER COMPOSITE - A resin-rubber composite in which a low pressure plasma-treated polyamide-based resin molded product and a higher fatty acid salt-sulfur vulcanizable acrylic rubber composition that forms an acrylic rubber layer are directly bonded by vulcanization without interposing an adhesive. The plasma treatment of a polyamide-based resin molded product is performed by a low pressure plasma treatment method. When the plasma treatment is performed by an atmospheric pressure plasma treatment method, desired adhesion between the resin and the rubber cannot be ensured. Here, an alkoxysilane compound in rubber composition is an optional component, and the presence or absence of this compound does not affect the adhesion. | 10-15-2015 |
525179000 | Two or more solid polymers other than prepared from a polycarboxylic acid or derivative and a polyamine, a lactam, an aminocarboxylic acid or derivative, or from a polyamine salt of a polycarboxylic acid | 3 |
20130144010 | METHOD FOR PRODUCING THERMOPLASTIC RESIN COMPOSITIONS - Provided is a method for producing thermoplastic resin compositions, the method comprising the step of melt-blending (A) a thermoplastic elastomer composition, obtained by dispersing (ii) an acid anhydride-modified or epoxy-modified rubber in (i) an ethylene-vinyl alcohol copolymer, with (B-1) a resin composition comprising at least one resin selected from (i) unmodified polyamide resins and modified polyamide resins or (B-2) a thermoplastic elastomer composition obtained by dispersing (ii) an acid anhydride-modified or epoxy-modified rubber in (i) at least one resin selected from unmodified polyamide resins and modified polyamide resins. Said thermoplastic elastomer composition has excellent gas barrier properties and the decrease in gas barrier properties associated with fatigue has been reduced. | 06-06-2013 |
20130190454 | COMPOSITIONS COMPRISING LACTAM - The invention relates to a composition comprising the following components:
| 07-25-2013 |
20130303699 | POLYMERS, POLYMER BLENDS, AND FLAME RETARDANT MATERIALS - Disclosed is a polymer including a polymer polymerized of a phosphorous-based monomer, a polymer polymerized of a nitrogen-based monomer, or a polymer polymerized of the phosphorous-based monomer and the nitrogen-based monomer. The phosphorous-based monomer has the formula as follows: | 11-14-2013 |
525180000 | Polycarboxylic acid or derivative contains three or more carboxylic acid groups; or polyamine contains three or more amino groups; or from an amino containing polycarboxylic acid or derivative other than amine solely in salt form; or from polyamino carboxylic acid or derivative other than wherein amino groups are solely in salt form | 1 |
20130035444 | POLYETHYLENE WITH HIGH MELT STRENGTH FOR USE IN FILMS - The present invention is a method for producing a film particularly well suited for shrink film applications, said method comprising the steps of selecting a target polyethylene resin and then increasing the melt strength of the polyethylene resin by reacting the polyethylene resin with an alkoxy amine derivative, and then forming a film from the reacted target polyethylene. | 02-07-2013 |
525181000 | With ethylenically unsaturated reactant; or reactant contains a heterocyclic ring other than solely as a lactam or cyclic anhydride of a polycarboxylic acid | 2 |
20090099312 | Amine terminated tougheners for epoxy resin based adhesives and materials - An uncured liquid epoxy composition comprises a liquid epoxy resin and a) a tri-amine terminated polyether toughener optionally adducted with an epoxy resin, or a mixture of said tri-amine terminated polyether toughener optionally have an epoxy adduct thereon with a core-shell copolymer or with an epoxidized carboxyl terminated butadiene-acrylonitrile copolymer; or b) an amine terminated tri-block polyether toughener optionally adducted with an epoxy resin, or a mixture of said amine terminated tri-block polyether toughener optionally having an epoxy adducted thereon with a core-shell copolymer or with an epoxidized carboxyl terminated butadiene-acrylonitrile copolymer. The uncured toughener composition need not contain any high molecular weight polymers or material and is utilized as a low viscosity paste adhesive having good storage stability, and when cured has very good low temperature peel strength at minus 40° C. along with very good ambient temperature toughness which correlates with improved higher speed impact resistance. The epoxy compositions are suitable for use as an adhesive in the aerospace or automotive fields wherein good low temperature performance properties and improved resistance to impact are desired. | 04-16-2009 |
20120088882 | IONOMERS MODIFIED WITH IMIDIZED ACRYLIC RESINS - Compositions comprising ionomers and imidized acrylic resins are disclosed. Articles prepared from the compositions exhibit improved heat resistance properties such as increased Vicat temperature, increased stiffness/modulus at room temperature and elevated temperatures below the ionomer's melting point, and increased upper use temperature at a given stiffness over those of ionomers alone. | 04-12-2012 |
525182000 | Solid polymer derived from ethylenically unsaturated reactant only is one derived from a reactant containing a heterocyclic ring and is other than solely a cyclic anhydride of a polycarboxylic acid | 2 |
20130324666 | RAPID SELF-ASSEMBLY OF BLOCK COPOLYMERS TO PHOTONIC CRYSTALS - The invention provides a class of copolymers having useful properties, including brush block copolymers, wedge-type block copolymers and hybrid wedge and polymer block copolymers. In an embodiment, for example, block copolymers of the invention incorporate chemically different blocks comprising polymer size chain groups and/or wedge groups that significantly inhibit chain entanglement, thereby enhancing molecular self-assembly processes for generating a range of supramolecular structures, such as periodic nanostructures and microstructures. The present invention also provides useful methods of making and using copolymers, including block copolymers. | 12-05-2013 |
20150045511 | METHOD FOR PRODUCING THERMOPLASTIC ELASTOMER COMPOSITION - A method for producing a thermoplastic elastomer composition including a thermoplastic resin composition as a continuous phase and also including a modified elastomer dispersed into the continuous phase as a dispersed phase, wherein the method comprises, in the stated order: (1) a step for reacting a polyamide resin and an epoxy group-containing polymer together to generate an end-capped polyamide resin; (2) a step for adding EVOH and a modified elastomer to the product obtained in step (1); (3) a step for dispersing the EVOH into the product obtained in step (1); (4) a step for adding a cross-linking agent for cross-linking the modified elastomer to the dispersion obtained in step (3); and (5) a step for cross-linking the modified elastomer using the cross-linking agent; and wherein the thermoplastic resin composition comprises EVOH and an end-capped polyamide resin. | 02-12-2015 |
525183000 | Solid polymer derived from ethylenically unsaturated reactant only is derived from a reactant containing a carboxylic acid or derivative | 9 |
20100041830 | TOUGHENED POLYAMIDE COMPOSITIONS - Polyamides containing repeat units derived from about 10 to about 35 weight percent 1,6-diaminohexane and terephthalic acid, up to 10 weight percent of other polyamide repeat units, and the remainder of the repeat units derived from 1,6-diaminohexane and adipic acid may be toughened with exceptionally small amounts of rubber tougheners, to give compositions which are especially tough. The resulting compositions are useful for industrial, consumer, electronics, and automotive parts. | 02-18-2010 |
20100216946 | POLYMER ALLOY AND PRODUCTION METHOD THEREOF - To provide a structure material having excellent mechanical characteristics and a functional material having excellent regularity, provided are a polymer alloy which is composed of at least two components of thermoplastic resins and of which the structure can be controlled finely and evenly dispersed and a production method of the polymer alloy. With respect to a polymer alloy composed of at least two or more components of thermoplastic resins, a precursor (A) of at least one thermoplastic resin among the thermoplastic resin components composing the polymer alloy is chemically reacted in the co-presence of the remaining thermoplastic resin component (B1) and/or a precursor (B2) of the thermoplastic resin component to induce spinodal decomposition, so that it is made possible to obtain a polymer alloy having excellent regularity and of which the structure is finely controllable and the structure is evenly dispersed. | 08-26-2010 |
20100324220 | RESIN COMPOSITION AND MOLDED ARTICLE - A resin composition comprising an aromatic polyester having a butylene terephthalate skeleton as the main constituent unit (component A), polylactic acid comprising poly(L-lactic acid) and poly(D-lactic acid) (component B), and a modifier (component C), wherein
| 12-23-2010 |
20130172488 | Compositions of Polyamide and Ionomer - Disclosed is a shaped article comprising a composition comprising polyamide and ionomer wherein the ionomer comprises a mixture of Zn and alkali metal (M2) cations wherein the Zn/M2 equivalent ratio is from about 0.6 to about 6. The articles prepared from the compositions with mixed ion ionomers exhibit high stiffness, hardness and toughness, good scratch resistance, desirable low melt viscosity and high processability. | 07-04-2013 |
20130338313 | AMIDE-EXTENDED CROSSLINKING COMPOUNDS AND METHODS FOR USE THEREOF - The invention is based on the discovery that a remarkable improvement in the performance of maleimide thermosets can be achieved by incorporating amide-extended maleimides into an adhesive formulation. Amide-extended maleimides described herein can be used to toughen bismaleimide thermosetting materials without sacrificing any thermal stability. Amide-extended maleimides are readily prepared by reacting a bismaleimide with an appropriate amine via the well-known Michael addition reaction. Acylation of the resulting secondary amines provides the amide-extended maleimide. The acylating agent can also be used to introduce polymerizable functional groups into the backbones of these thermoset monomers. Amide-extended acrylate and methacrylate monomers can also be prepared. | 12-19-2013 |
20140364569 | THERMOPLASTIC RESIN COMPOSITION AND METHOD FOR PRODUCING SAME - The purpose of the present invention is to provide a thermoplastic resin composition having excellent rigidity and impact strength and a method for producing the same. The thermoplastic resin composition is obtained by mixing a polyolefin resin (such as a polypropylene resin), a polyamide resin (such as nylon 11 resin), and a compatibilizer (such as maleic anhydride-modified EPR, maleic anhydride-modified EBR). The thermoplastic resin composition is characterized in having a resin phase separate structure as observed under an electron microscope, wherein the resin phase separate structure consists of a continuous phase and a disperse phase which is dispersed in the continuous phase, there is a microdisperse phase in the disperse phase, and the average diameter of the microdisperse phase is 5 to 1,200 nm. | 12-11-2014 |
20150018490 | SURFACE-TREATED CARBON NANOTUBE AND RESIN COMPOSITION - Provided is a surface-treated carbon nanotube having few surface fractures, not reducing the molecular weight of the resin to be mixed and having excellent extrudability. In the surface-treated carbon nanotube, the thermal reduction amount at 600° C. in a nitrogen atmosphere is 0.2 to 40%, the surface oxygen concentration measured by X-ray photoelectron spectroscopy (XPS) is 1.5 to 40 atm % and the surface sulfur concentration is less than 0.1 atm %. | 01-15-2015 |
20150031836 | GYPSUM DISPERSANT - There is provided a gypsum dispersant and a gypsum additive that improve the fluidity of gypsum slurry even if gypsum raw materials used are different in quality and that do not induce delay of curing of gypsum slurry. A gypsum dispersant, including: (A) a polycarboxylic acid polymer; and (B) a polyamide polyamine obtained by a reaction of a polyalkylene polyamine and a dibasic acid as essential components, and/or an alkylene oxide adduct of the polyamide polyamine. | 01-29-2015 |
20150057414 | THERMOPLASTIC ELASTOMER COMPOSITION - A thermoplastic elastomer composition which comprises (A) a thermoplastic resin, (B) a halogenated isoolefin/para-alkylstyrene copolymer rubber, and (C) a thermoplastic elastomer, wherein the thermoplastic resin (A) forms a continuous phase, the halogenated isoolefin/para-alkylstyrene copolymer rubber (B) and the thermoplastic elastomer (C) have been separately dispersed in the continuous phase, the halogenated isoolefin/para-alkylstyrene copolymer (B) has been crosslinked, the thermoplastic elastomer (C) has not been crosslinked, and the amount of the thermoplastic elastomer (C) is 20-50 mass % with respect to the total amount of the halogenated isoolefin/para-alkylstyrene copolymer rubber (B) and the thermoplastic elastomer (C). | 02-26-2015 |
525184000 | Solid polymer derived from ethylenically unsaturated hydrocarbon | 9 |
20080214736 | Antistatic composition - Polymer compositions comprising
| 09-04-2008 |
20100130688 | RUBBER COMPOSITION - A rubber composition having an excellent adhesion with a brass-plated wire and an excellent heat aging resistance of a vulcanite containing (A) 100 parts by weight of a diene-based rubber, (B) 0.1 to 10 parts by weight of, as a vulcanization accelerator, an amine salt compound of a carboxylic acid group-containing disulfide having the formula (I): | 05-27-2010 |
20110213085 | Fluorinated thermoplastic polymer additive - The invention pertains to the use of certain fluorinated thermoplastic polymer additives for reducing the coefficient of friction of non-fluorinated polymers and to masterbatches of said additives with non-fluorinated polymers. | 09-01-2011 |
20120271003 | Block Copolymers As Thermoplastic Elastomers Made Of Polyisobutene Blocks And Oligoamide Blocks - Aspects of the invention relate to block copolymers having the properties of thermoplastic elastomers made of blocks on the basis of isobutene monomer units as the soft segment and blocks on the basis of oligoamides composed of at least two base units, each of which comprises an amino or a carbonyl group in the α, β, γ or δ position to each other or directly bound to each other, as the hard segment. Such block copolymers are suited for producing fibers, microfibers, and films. | 10-25-2012 |
20130225765 | ISOBUTYLENE-BASED BLOCK COPOLYMER COMPOSITION - The present invention relates to a resin composition containing (A) 100 parts by weight of an isobutylene-based block copolymer having an unsaturated bond and comprising (a) a polymer block mainly comprised of isobutylene and (b) a polymer block mainly comprised of an aromatic vinyl-based compound, and (B) 0.1-50 parts by weight of a polythiol compound having two or more thiol groups in one molecule, which aims to provide an isobutylene-based block copolymer composition superior in air barrier property, flexibility, toughness and adhesiveness to rubber, and further, an inner liner as an inner liner layer of a pneumatic tire, which does not require a vulcanization step and superior in the balance between air barrier property, flexibility and toughness, and adhesiveness to carcass. | 08-29-2013 |
20140018502 | Thermoformed Structural Composites - The present invention is generally directed to methods and systems for making thermoformed structural elements and composites, including the use of composites, dissimilar or variable processing materials. The present invention avoids the expense and the technical issues of the present art on how difficult it is to ‘clean’ said ‘dirty’ recycled materials so that they are acceptable to the extrusion process and or the injection mold process. The end products can have the same outward appearance as those products made by the more demanding, more expensive extrusion process and or injection process, but the present invention's end products can be pre-engineered to have significantly, unexpectedly, improved physical and chemical properties. | 01-16-2014 |
20140371394 | THERMOPLASTIC RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND MOLDED BODY - A thermoplastic resin composition contains a polyamide resin that is dispersed therein, is characterized in that the thermoplastic resin composition is obtained by melting and kneading a polyolefin resin and a mixed resin obtained by melting and kneading a polyamide resin and a compatibilizer; and the compatibilizer is a modified elastomer that is obtained by providing an elastomer (such as an olefin-based thermoplastic elastomer or a styrene-based thermoplastic elastomer) with a reactive group that is reactive with the polyamide resin. Also, a thermoplastic resin composition is obtained by melting and kneading from 1% by mass to 80% by mass (inclusive) of a plant-derived polyamide resin such as polyamide 11, from 5% by mass to 75% by mass (inclusive) of a polyolefin resin and from 1% by mass to 30% by mass (inclusive) of a compatibilizer that is an olefin-based thermoplastic elastomer that is modified with an acid. | 12-18-2014 |
20150315384 | Pneumatic Tire - A pneumatic tire has an overlap splice portion formed by laminating a sheet obtained from a thermoplastic resin or a thermoplastic resin composition of a thermoplastic resin blended with an elastomer above and below an interposed rubber layer that undergoes vulcanizing adhesion with the thermoplastic resin or the thermoplastic resin composition. The sheet obtained from the thermoplastic resin or the thermoplastic resin composition of a thermoplastic resin blended with an elastomer has a plurality of slits extending in a direction having a tire circumferential direction component and having a slit width of not greater than 1.0 mm provided in a leading edge portion or in the vicinity of a leading edge portion of at least one side of the sheet. | 11-05-2015 |
20160039955 | AGENT FOR THE FORMATION OF CHANNELS IN AN ENTRAINED POLYMER, ENTRAINED POLYMER CONTAINING SUCH AN AGENT, PROCESS FOR PRODUCING SUCH AN ENTRAINED POLYMER AND PRODUCT CONTAINING THE SAME - An entrained polymer includes a base polymer, an active agent that is immiscible with the base polymer and reacts with a selected material, and a channeling agent that is a water insoluble polymer, is immiscible with the base polymer, and has an affinity to transmit the selected material through the entrained polymer at a faster rate than in solely the base polymer. | 02-11-2016 |