| Patent Number |
Title Of Patent |
Date Issued |
| RE35398 |
Thermoplastic olefin compositions of EPDM rubber and ethylene copolymer resin |
December 10, 1996 |
| Heat shrinkable thermoplastic compositions are prepared by blending an ethylene copolymer resin with an EPDM rubber and dynamically vulcanizing the rubber. The ethylene copolymer resin is a copolymer of ethylene with an alkyl ester of an alpha, beta monoethylenically unsaturanated mo |
| 7445846 |
Thermoplastic vulcanizates and laminates made therewith |
November 4, 2008 |
| 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. |
| 7439304 |
Thermoplastic vulcanizates and process for making the same |
October 21, 2008 |
| 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 0.25 to 4.0 parts by wei |
| 7413784 |
Thermoplastic vulcanizates for potable water applications |
August 19, 2008 |
| 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 characterized by a kinematic |
| 7381771 |
Thermoplastic elastomers having improved adhesive properties |
June 3, 2008 |
| 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. |
| 7326471 |
Corner molding compositions for automotive sealant systems |
February 5, 2008 |
| 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 olefinic thermoplastic resin |
| 7294675 |
Soft thermoplastic vulcanizate compositions |
November 13, 2007 |
| 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 process oil; wherein |
| 7276559 |
Soft thermoplastic elastomers |
October 2, 2007 |
| 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 that includes ethy |
| 7193018 |
Slip-coat compositions and polymeric laminates |
March 20, 2007 |
| 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, based upon the total w |
| 7026366 |
Thermoplastic elastomers having enhanced foaming an physical properties |
April 11, 2006 |
| 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 articles are also disc |
| 7008699 |
Multicomponent thermoset structures |
March 7, 2006 |
| 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 matrix of a thermopla |
| 6946522 |
Thermoplastic elastomers with improved coring properties |
September 20, 2005 |
| Thermoplastic vulcanizates having improved coring properties, comprising a blend of thermoplastic polypropylene resin, vulcanized butyl rubber, a SEPS block copolymer and a polybutene oil plasticizer. |
| 6939918 |
Thermoplastic elastomers having improved low temperature properties |
September 6, 2005 |
| The present invention provides a thermoplastic vulcanizate prepared by a process comprising the steps of dynamically vulcanizing rubber within a blend that includes the rubber and a thermoplastic resin, where the rubber comprises an elastomeric copolymer of ethylene, at least one .al |
| 6846877 |
Blends of olefinic thermoplastic vulcanizate with high impact polystyrene |
January 25, 2005 |
| 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 increased hardness not p |
| 6825277 |
High-frequency welding of non-polar thermoplastic rubbers |
November 30, 2004 |
| 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 the invention, to a |
| 6787607 |
Thermoplastic elastomers having enhanced foaming and physical properties |
September 7, 2004 |
| 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 articles are also disc |
| 6776997 |
TPE composition that exhibits excellent adhesion to textile fibers |
August 17, 2004 |
| 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. When these two p |
| 6713520 |
Foams and methods for making the same |
March 30, 2004 |
| 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 about 95 percent by weigh |
| 6667364 |
Processable polyethylene/EPDM thermoplastic vulcanizates |
December 23, 2003 |
| 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 substantially fully cured vulcanizate (TPV) |
| 6602589 |
Olefinic slip-coating for automotive weatherseals |
August 5, 2003 |
| 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 location in the opening of a structur |
| 6579944 |
Thermoplastic vulcanizate with defined morphology for optimum elastic recovery |
June 17, 2003 |
| 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 develop a morphology which generates |
| 6503985 |
Thermoplastic elastomers having improved set and foams made therefrom |
January 7, 2003 |
| 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 weight of a long-chain branched th |
| 6503984 |
TPE composition that exhibits excellent adhesion to textile fibers |
January 7, 2003 |
| 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. When these two p |
| 6503619 |
Soft touch labels |
January 7, 2003 |
| The invention relates to soft touch printed labels comprising a coextruded sheet of a thermoplastic elastomer and a polyolefin. |
| 6476132 |
Use of a silane grafted polyolefin in EPDM/polyolefin thermoplastic vulcanizates to improve comp |
November 5, 2002 |
| 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 OR group pendant to a Si atom |
| 6451915 |
Thermoplastic elastomers having improved processing and physical property balance |
September 17, 2002 |
| 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 rubber and the thermoplastic combi |
| 6437030 |
Thermoplastic vulcanizates and process for making the same |
August 20, 2002 |
| 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 the presence of a catalyst system |
| 6433090 |
Thermoplastic elastomers having improved set foams made therefrom |
August 13, 2002 |
| 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 weight of a long-chain branched th |
| 6414081 |
Compatibilized blends of non-polar thermoplastic elastomers and polar thermoplastic polymers |
July 2, 2002 |
| The invention relates to compatibilized blends comprisinga non-polar thermoplastic elastomer,a polar thermoplastic polymer selected from thermoplastic polyurethane (TPU), chloro containing polymers, fluoro containing polymers, polyesters, acrylonitrile-butadiene-styrene copolymers, styrene-a |
| 6407174 |
Propylene/ethylene/.alpha.-olefin terpolymer thermoplastic elastomer vulcanizates |
June 18, 2002 |
| The present invention relates to a thermoplastic elastomer vulcanizate obtained from a thermoplastic propylene/ethylene/.alpha.-olefin terpolymer, a rubber component and optional additives, by dynamic vulcanization of the rubber component with a non-peroxide curing system. The vulcan |
| 6399710 |
Modification of thermolastic vulcanizates with a thermoplastic random copolymer of ethylene |
June 4, 2002 |
| 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 copolymers are different from Zieg |
| 6391977 |
Impact modifier for thermoplastic polyolefins |
May 21, 2002 |
| The invention relates to a composition of a blend of an ethylene/propylene random copolymer and a low to very low density ethylene/C.sub.4 to C.sub.20 -.alpha.-olefin random copolymer and its use as an impact modifier for polyolefin compositions. The invention further relates to poly |
| 6388016 |
Dynamic vulcanization of polymer blends from series reactors |
May 14, 2002 |
| 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 components. |
| 6368700 |
Olefinic slip-coating for automotive weatherseals |
April 9, 2002 |
| 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 location in the opening of a structur |
| 6329463 |
High temperature, oil resistant thermoplastic vulcanizates made from polar plastics and acrylate |
December 11, 2001 |
| 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. Examples of thermoplastics include |
| 6329439 |
Extrusion of a foamable melt consisting of mixed polyolefin and rubber copolymer |
December 11, 2001 |
| 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 gravity in the range from about 0.1 to |
| 6326426 |
Thermoplastic elastomers having improved low temperature properties |
December 4, 2001 |
| 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 the composition is at least pa |
| 6326084 |
Method for high frequency welding of non-popular thermoplastic elastomers |
December 4, 2001 |
| 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. |
| 6288171 |
Modification of thermoplastic vulcanizates using random propylene copolymers |
September 11, 2001 |
| 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 thermoplastic polypropylene copolymers |
| 6255389 |
Star-branched rubber thermoplastic elastomer vulcanizates |
July 3, 2001 |
| 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 presence of a suitable curati |
| 6207752 |
Thermoplastic vulcanizates of carboxylated nitrile rubber and thermoplastic polyurethanes |
March 27, 2001 |
| 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 are made utilizing a processing ai |
| 6174962 |
Free radically cured thermoplastic vulcanizates of a polyolefin and a acrylate modified paraalky |
January 16, 2001 |
| A thermoplastic vulcanizate composition containing a thermoplastic and a functionalized copolymer of para-alkylstyrene-isoolefin is free radically cured, as for example, with a peroxide to yield a product having low impurities and good clarity. The thermoplastic typically can be a po |
| 6169145 |
Vulcanization of carboxyl containing elastomers using reductive hydrosilylation with extension i |
January 2, 2001 |
| Thermoplastic vulcanizates are described which include a carbonyl containing or carbonyl functionalized rubber crosslinked with a hydrosilylation crosslinking agent activated with a platinum containing catalyst. The carbonyl containing or carbonyl functionalized rubber facilitates ma |
| 6150464 |
Preferred process for silicon hydride addition and preferred degree of polymerization for silico |
November 21, 2000 |
| An improved process for the preparation of thermoplastic elastomers by hydrosilylation crosslinking, in which a hydrosilylation crosslinking agent with a low degree of polymerization and/or a hydrosilylation crosslinking agent diluted in oil is used. |
| 6147160 |
Organosilane cured butyl rubber/polypropylene TPV |
November 14, 2000 |
| An improved process for the preparation of thermoplastic elastomers by hydrosilylation crosslinking of a butyl rubber component, in which a platinum containing hydrosilylation catalyst is used. The butyl rubber component includes a copolymer of at least isobutylene and an aromatic di |
| 6140424 |
Multiple component thermoplastic elastomer compositions |
October 31, 2000 |
| Thermoplastic elastomer compositions which have good high temperature end use and good oil swell resistance are made by blending a high melting thermoplastic polymer containing a non-polar rubber and a polar rubber. Alternatively, a high melting thermoplastic polymer containing a non-pol |
| 6121383 |
Thermosplastic vulcanizates from blends of a polypropylene and elastic .alpha.-olefin/cyclic ole |
September 19, 2000 |
| Thermoplastic vulcanizate blends are prepared from a semi-crystalline polymer and a rubbery copolymer derived from copolymerizing at least one alpha-olefin monomer and at least one cyclic olefin copolymer. The rubbery copolymer also includes repeat units from at least one polyene monomer |
| 6100334 |
Thermoplastic vulcanizates from a cyclic olefin rubber, a polyolefin, and a compatiblizer |
August 8, 2000 |
| A blend of a semicrystalline polyolefin, a rubbery polymer containing repeat units from norbornene, and a polymeric compatibilizer is disclosed. This composition has reduced oil swell as compared to thermoplastic vulcanizates from a semicrystalline polyolefin and hydrocarbon rubbers. |
| 6084031 |
TPV from hydrosilylation crosslinking of acrylic modified bromo XP-50 butyl rubber |
July 4, 2000 |
| An improved process for the preparation of thermoplastic vulcanizates from butyl rubbers by hydrosilylation crosslinking of acrylic or alkacrylic functionalized copolymers of isobutylene and paramethylstyrene is disclosed. The functionalization results in lower compression and tension |
| 6072003 |
Block copolymers of polyolefins with polyurethanes, copolyesters or copolyamides and their use |
June 6, 2000 |
| The present invention relates to new block copolymers of chemically modified polyolefins and thermoplastic polyurethanes, copolyesters or copolyamides a method for the preparation of said block copolymers and their use for compatibilizing blends of polar and non-polar thermoplastic e |