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| Number | Title | Issue Date |
| 7731884 | Molded gasket and method of making The present invention is directed to an annular gasket for providing a fluid-tight seal between an inner pipe and an outer pipe, when the pipes are in a relative surrounded and surrounding relationship. The gasket includes a gasket portion configured to sealingly en... | 06/08/2010 |
| 7445846 | Thermoplastic vulcanizates and laminates made therewith A thermoplastic vulcanizate comprising a) a dynamically vulcanized rubber, b) a thermoplastic resin, and c) optionally a synthetic oil, where the thermoplastic vulcanizate is substantially devoid of mineral oils. ... | 11/04/2008 |
| 7439304 | Thermoplastic vulcanizates and process for making the same A composition comprising (i) a dynamically-cured rubber, (ii) from about 20 to about 300 parts by weight of a thermoplastic resin per 100 parts by weight rubber, (iii) from 0.2 to 0.9 parts by weight stannous chloride per 100 parts by weight rubber, and (iv) from 0.... | 10/21/2008 |
| 7413784 | Thermoplastic vulcanizates for potable water applications A thermoplastic vulcanizate comprising a dynamically-cured rubber, a thermoplastic polymer, and at least 2 percent by weight, based on the total weight of the thermoplastic vulcanizate, of a polyalphaolefin oligomer, where the polyalphaolefin oligomer is characteriz... | 08/19/2008 |
| 7381771 | Thermoplastic elastomers having improved adhesive properties Adhesive compositions comprising a thermoplastic elastomer and a block copolymer with rigid vinyl aromatic blocks and non-rigid blocks of dienes and vinyl aromatic monomers. ... | 06/03/2008 |
| 7326471 | Corner molding compositions for automotive sealant systems An automotive sealant composite structure is provided. The composite structure includes a first piece comprising a first elastomeric component that includes an at least partially crosslinked rubber, a first olefinic thermoplastic resin component, and a second olefin... | 02/05/2008 |
| 7294675 | Soft thermoplastic vulcanizate compositions Disclosed herein are low Shore A Hardness thermoplastic vulcanizate compositions having high Rebound values. In at least one exemplary embodiment, the compositions include a dispersed at least partially vulcanized rubber component; a thermoplastic component; and pro... | 11/13/2007 |
| 7276559 | Soft thermoplastic elastomers This invention relates to a soft thermoplastic vulcanizate composition comprising: a) from about 2-10 wt %, based upon total polymer content weight a)+b)+c), of a thermoplastic polyethylene or polypropylene homopolymer, or ethylene-propylene copolymer, or copolymer ... | 10/02/2007 |
| 7193018 | Slip-coat compositions and polymeric laminates A polymeric laminate comprising (A) a substrate, and (B) a slip layer covering at least a portion of said substrate, where the slip layer consists essentially of (i) a polyethylene blend, where said blend includes (a) from about 3 to about 97 percent by weight, base... | 03/20/2007 |
| 7026366 | Thermoplastic elastomers having enhanced foaming an physical properties An olefinic thermoplastic elastomer composition which includes an acrylic-modified polytetrafluoroethylene. When foamed, such compositions produce a very soft foam with improved processing properties and physical characteristics. A process of foaming and foamed arti... | 04/11/2006 |
| 7008699 | Multicomponent thermoset structures Composite structures are described that include (a) a first polymer structure (e.g., a film or solid component) made of EPDM adhered to (b) a second polymer structure (film or solid component) that is made of a blend of dynamically vulcanized EPDM dispersed in a mat... | 03/07/2006 |
| 6846877 | Blends of olefinic thermoplastic vulcanizate with high impact polystyrene An olefinic thermoplastic vulcanizate is blended with a rubber-modified monovinylidene aromatic monomer, utilizing a flexible block copolymer as compatabilizing agent. The resulting composition demonstrates improved miscibility and bonding characteristics and increa... | 01/25/2005 |
| 6825277 | High-frequency welding of non-polar thermoplastic rubbers The present invention relates to a high-frequency weldable thermoplastic rubber composition, to a method of rendering non-polar thermoplastic rubbers high-frequency weldable, to a high-frequency weldable shaped article obtainable from the composition according to th... | 11/30/2004 |
| 6787607 | Thermoplastic elastomers having enhanced foaming and physical properties An olefinic thermoplastic elastomer composition which includes an acrylic-modified polytetrafluoroethylene. When foamed, such compositions produce a very soft foam with improved processing properties and physical characteristics. A process of foaming and foamed arti... | 09/07/2004 |
| 6776997 | TPE composition that exhibits excellent adhesion to textile fibers A combination of a low flexural modulus and low crystallinity polyolefin and a functionalized polyolefin were found to result in an olefin composition with excellent adhesion to metals and polar polymers (e.g. polyesters, polyamides, etc) especially fibers therefrom... | 08/17/2004 |
| 6713520 | Foams and methods for making the same A foam profile prepared by a process comprising the steps of foaming a thermoplastic vulcanizate, where the thermoplastic vulcanizate is prepared by a process comprising the step of dynamically vulcanizing a rubber within a mixture that includes from about 15 to abo... | 03/30/2004 |
| 6667364 | Processable polyethylene/EPDM thermoplastic vulcanizates A blend of an EPDM made with VNB instead of ENB and specified melt viscosity reducers is imbued with a unique ability to form a processable blend with a polyolefin phase in which PE is present in a major amount by weight relative to PP. In the substantial... | 12/23/2003 |
| 6602589 | Olefinic slip-coating for automotive weatherseals A weatherseal or belt-line seal for a vehicle is formed by extrusion of an olefin-based thermoplastic elastomer or vulcanizate (first TPV) as an elongate body of arbitrary length and cross-section. The cross-section is adapted for use in a particular loca... | 08/05/2003 |
| 6579944 | Thermoplastic vulcanizate with defined morphology for optimum elastic recovery A thermoplastic vulcanizate (TPV) is produced by melt blending until the volume fraction of dispersed rubber particles is greater than 0.5 preferably from 0.55 to 0.95, the remaining being the dispersed continuous plastic phase in a manner so as to develo... | 06/17/2003 |
| 6503984 | TPE composition that exhibits excellent adhesion to textile fibers A combination of a low flexural modulus and low crystallinity polyolefin and a functionalized polyolefin were found to result in an olefin composition with excellent adhesion to metals and polar polymers (e.g. polyesters, polyamides, etc) especially fiber... | 01/07/2003 |
| 6503619 | Soft touch labels The invention relates to soft touch printed labels comprising a coextruded sheet of a thermoplastic elastomer and a polyolefin.... | 01/07/2003 |
| 6503985 | Thermoplastic elastomers having improved set and foams made therefrom A thermoplastic vulcanizate prepared by a process comprising the steps of dynamically vulcanizing a vulcanizable rubber within a mixture that includes from about 15 to about 90 percent by weight of the rubber and from about 10 to about 85 percent by weigh... | 01/07/2003 |
| 6476132 | Use of a silane grafted polyolefin in EPDM/polyolefin thermoplastic vulcanizates to improve compression set A thermoplastic vulcanizate (TPV) from a blend of a first thermoplastic polyolefin, a second thermoplastic olefin and a rubber is described. The rubber is crosslinked with a hydrosilylation crosslinking agent. The second polyolefin includes at least one O... | 11/05/2002 |
| 6451915 | Thermoplastic elastomers having improved processing and physical property balance A thermoplastic elastomer formed by a process comprising the steps of dynamically vulcanizing a rubber within a mixture that includes the rubber, from about 10 to about 80 percent by weight of a thermoplastic resin based upon the total weight of the rubbe... | 09/17/2002 |
| 6437030 | Thermoplastic vulcanizates and process for making the same A process for forming a thermoplastic vulcanizate compromising the steps of dynamically vulcanizing a rubber within a blend that comprises the rubber and a thermoplastic polymer, where said step of vulcanizing is carried out by using a phenolic resin in t... | 08/20/2002 |
| 6433090 | Thermoplastic elastomers having improved set foams made therefrom A thermoplastic vulcanizate prepared by a process comprising the steps of dynamically vulcanizing a vulcanizable rubber within a mixture that includes from about 15 to about 90 percent by weight of the rubber and from about 10 to about 85 percent by weigh... | 08/13/2002 |
| 6414081 | Compatibilized blends of non-polar thermoplastic elastomers and polar thermoplastic polymers The invention relates to compatibilized blends comprising a non-polar thermoplastic elastomer, a polar thermoplastic polymer selected from thermoplastic polyurethane (TPU), chloro containing polymers, fluoro containing polymers, polyesters, acrylonitrile-butad... | 07/02/2002 |
| 6407174 | Propylene/ethylene/-olefin terpolymer thermoplastic elastomer vulcanizates The present invention relates to a thermoplastic elastomer vulcanizate obtained from a thermoplastic propylene/ethylene/-olefin terpolymer, a rubber component and optional additives, by dynamic vulcanization of the rubber component with a non-perox... | 06/18/2002 |
| 6399710 | Modification of thermolastic vulcanizates with a thermoplastic random copolymer of ethylene Random thermoplastic ethylene copolymers can be used to increase the elongation to break and toughness of thermoplastic vulcanizates. Polypropylene is a preferred thermoplastic phase. The rubber can be olefinic rubbers. Random thermoplastic ethylene copol... | 06/04/2002 |
| 6391977 | Impact modifier for thermoplastic polyolefins The invention relates to a composition of a blend of an ethylene/propylene random copolymer and a low to very low density ethylene/C4 to C20 --olefin random copolymer and its use as an impact modifier for polyolefin compositio... | 05/21/2002 |
| 6388016 | Dynamic vulcanization of polymer blends from series reactors A method for the dynamic vulcanization of polymer blends made by solution polymerization in series reactors. The polymer blends are mixed under conditions of heat and shear, and a curing agent is added to at least partially cross-link one of the blend com... | 05/14/2002 |
| 6368700 | Olefinic slip-coating for automotive weatherseals A weatherseal or belt-line seal for a vehicle is formed by extrusion of an olefin-based thermoplastic elastomer or vulcanizate (first TPV) as an elongate body of arbitrary length and cross-section. The cross-section is adapted for use in a particular loca... | 04/09/2002 |
| 6329439 | Extrusion of a foamable melt consisting of mixed polyolefin and rubber copolymer A tapered stepped land having a choked funnel section which terminates in a lateral longitudinal section results in the formation of a foamed extrudate of a vulcanized blend of polyolefin and rubber which is a mass of closed cells having a specific gravit... | 12/11/2001 |
| 6329463 | High temperature, oil resistant thermoplastic vulcanizates made from polar plastics and acrylate or ethylene-acrylate elastomers A polar thermoplastic and acrylate or ethylene acrylate based polar rubbers form a useful thermoplastic vulcanizate when the rubber is selectively cured with curatives which do not affect the polar thermoplastic and do not generate volatile organics. Exam... | 12/11/2001 |
| 6326426 | Thermoplastic elastomers having improved low temperature properties Thermoplastic elastomers having improved low temperature properties are provided by incorporating suitable low molecular weight ester plasticizer into blends of crystalline polyolefin homopolymer or copolymer and olefinic rubber. The rubber component of t... | 12/04/2001 |
| 6326084 | Method for high frequency welding of non-popular thermoplastic elastomers The invention relates to a method of high frequency welding of non-polar thermoplastic elastomers characterized in that said elastomers comprise a polar modifier. Furthermore, the invention relates to shaped articles obtainable by said method.... | 12/04/2001 |
| 6297301 | Thermoplastic elastomer compositions having improved processing properties Thermoplastic elastomers having improved processability are prepared by incorporating one or more organic sulfate or sulfonate salts into blends of thermoplastic polymers and olefinic rubber and melt processing the mixture. The rubber component of the mix... | 10/02/2001 |
| 6288171 | Modification of thermoplastic vulcanizates using random propylene copolymers Random propylene thermoplastic copolymers can be used to increase the elongation to break and toughness of thermoplastic vulcanizates. Semi-crystalline polypropylene is a preferred thermoplastic phase. The rubber can be olefinic rubbers. Random thermoplas... | 09/11/2001 |
| 6255389 | Star-branched rubber thermoplastic elastomer vulcanizates The present invention relates to a curable composition comprising a thermoplastic polyolefin resin and a curable star-branched rubber, a thermoplastic elastomeric vulcanizate obtainable therefrom by dynamically vulcanizing said curable composition in the ... | 07/03/2001 |
| 6207752 | Thermoplastic vulcanizates of carboxylated nitrile rubber and thermoplastic polyurethanes Low oil swell, non sticky readily processable carboxylated nitrile rubber-thermoplastic polyurethane vulcanizate compositions have increased upper service temperature over comparable thermoplastic polyurethanes. The compositions of the present invention a... | 03/27/2001 |
