Solid Polymer Derived From Polyhydroxy Reactant And Polycarboxylic Acid Or Derivative Patents (Class 525/92F)
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Patent number: 6153307Abstract: The present invention relates to compatibilizers useful to laminate a layer of a vinyl aromatic polymer such as polystyrene and a polyester such as PET. The compatibilizer comprises a mixture comprising 5-95 weight % of a polyester, 95-5 weight % of an impact modified polymer of a vinyl aromatic monomer such as high impact polystyrene (HIPS) and from 5 to 20 weight % of a hydrogenated block polymer of a vinyl aromatic monomer and a conjugated diolefin sometimes called SEBS.Type: GrantFiled: July 30, 1998Date of Patent: November 28, 2000Assignee: Nova Chemicals Inc.Inventor: Beth Ann Baran
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Patent number: 6127507Abstract: A composition comprising in admixture with a polymer, preferably a polyurethane, and a compatible surface-modifying macromolecule having (i) a central portion of a segmented block oligomeric copolymer comprising at least one polar hard segment, and (ii) .varies.-.omega. terminal polyfluoro oligomeric groups, in a surface modifying enhancing amount. The composition is of use in providing articles having improved surface properties, particularly, medical devices having improved resistance to enzyme degradation with acceptable blood compatibility.Type: GrantFiled: November 24, 1998Date of Patent: October 3, 2000Inventor: Paul J. Santerre
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Patent number: 6124389Abstract: The present invention is directed towards a multi-layer golf ball which comprises a core, a cover layer and at least one intermediate layers disposed between the core and cover, wherein the intermediate layer comprises an ethylene methacrylic/acrylic acid copolymer and optionally, a second thermoplastic component such as polyetherester block copolymer, polyesterester block copolymer, polyetheramide block copolymer, dynamically vulcanized thermoplastic elastomer, functionalized styrene-butadiene elastomer, thermoplastic polyurethane, thermoplastic polyesters, metallocene polymer or blends thereof and a filler such as zinc oxide, titanium dioxide or blends thereof. Further, in a preferred embodiment, the core has a compression less than 60, the finished ball has a COR (@ 125 ft/sec) of about 0.795 to about 0.815, the intermediate layer has a specific gravity of greater than about 1.2 and the cover has a Shore D hardness of about 60 to about 72.Type: GrantFiled: December 23, 1997Date of Patent: September 26, 2000Assignee: Acushnet CompanyInventors: Christopher Cavallaro, Jeffrey L. Dalton, Murali Rajagopalan
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Patent number: 6093768Abstract: A composition useful in molding comprises (A) from 10-95% by weight of a syndiotactic styrene resin, (B) from 5-90% by weight of a thermoplastic resin such as a polyolefin, polyester, polyether, polyamide or polycarbonate, and ( ) from 1-15 parts by weight of a rubber polymer such as maleic anhydride-modified or unmodified styrene-(butadiene or isoprene) block copolymer.Type: GrantFiled: June 5, 1995Date of Patent: July 25, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
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Patent number: 6087435Abstract: A polystyrene-based resin composition, comprising (A) a styrene-based resin with a mainly syndiotactic configuration, (B) a polyolefin, and (C) rubber polymer particles as main components, exhibits excellent heat resistance and impact resistance.Type: GrantFiled: June 5, 1995Date of Patent: July 11, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
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Patent number: 6072003Abstract: 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 elastomers. The block copolymers according to the present invention can further be used for promoting the adhesion of thermoplastic elastomers onto various polar engineering resins.Type: GrantFiled: December 4, 1998Date of Patent: June 6, 2000Assignee: Advanced Elastomer Systems, L.P.Inventors: Jacques Horrion, Trazollah Ouhadi
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Patent number: 6069202Abstract: Desirable thermoplastic vulcanizates can be prepared from a polar engineering thermoplastic; a halogenated copolymer of p-alkylstyrene and an isomonoolefin having from 4 to 7 carbon atoms; and either an ethylene rubbery polymer or a diene based rubbery polymer or combinations thereof. The ethylene rubbery polymer desirably has at least one pendant carboxylic acid group, amine group, epoxy group, hydroxyl group or an anhydride of two carboxylic acid groups or combinations thereof. Desirable diene based rubbery polymers include epoxidized natural rubber and epoxidized homopolymers and copolymers of dienes.Type: GrantFiled: December 10, 1997Date of Patent: May 30, 2000Assignee: Advanced Elastomer Systems, L.P.Inventors: Krishna Venkataswamy, Jacques Horrion
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Patent number: 6054209Abstract: A tearable film comprising a resin blend which is: (1) a blend of a first polymer which is a styrenic polymer and a second polymer selected from the group consisting of a polyester and a polyamide; or (2) a first polymer which is a polyester and a second polymer selected from the group consisting of a polycarbonate, an acrylic polymer and a polyamide. The film has an continuous phase and a dispersed phase, thereby forming an islands-sea structure, wherein the continuous phase constitutes 35-98 wt % and the dispersed phase constitutes 2-65 wt % of the film.Type: GrantFiled: March 9, 1998Date of Patent: April 25, 2000Assignee: Daicel Chemical Industries, Ltd.Inventors: Shinichiro Imanishi, Kenji Ueda, Katsuhiko Sumida
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Patent number: 6051655Abstract: A composition amenable to injection molding and extrusion comprises a syndiotactic styrene resin, a thermoplastic resin such as a polyolefin and an inorganic filler optionally contains a rubber.Type: GrantFiled: June 5, 1995Date of Patent: April 18, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
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Patent number: 6048933Abstract: The invention provides a process for the preparation of a thermoplastic elastomeric resin composition comprising (a) 100 parts by weight of a block copolymer consisting of at least two polymeric blocks (A) composed of a vinyl aromatic compound and at least one polymeric block (B) composed of a conjugated diene compound, or a hydrogenated block copolymer, (b) 20 to 300 parts by weight of a non-aromatic softening agent for rubber, (c) 1 to 100 parts by weight of a peroxide-crosslinking type olefinic resin or a copolymeric rubber containing said resin, and (d) 10 to 150 parts by weight of a peroxide-decomposition type olefinic resin or a copolymer containing said resin, characterized in that the process comprises a step of heat-processing component (a), component (b), at least a part of component (c) and a part of component (d) in the presence of an organic peroxide to cause crosslinking, and a subsequent step of blending these with the remaining part of component (d) and, if any, the remaining part of componentType: GrantFiled: November 18, 1998Date of Patent: April 11, 2000Assignee: Riken Vinyl Industry Co., Ltd.Inventors: Michihisa Tasaka, Toshio Ito, Hiromasa Sanada
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Patent number: 6046275Abstract: A composition comprises (A) a syndiotactic styrene-based resin and (C) rubber polymer particles such as graft copolymers, butadiene or isoprene block copolymers optionally hydrogenated and/or modified with maleic anhydride, and other rubbers, and, optionally, (B) a thermoplastic resin such as a polycarbonate, and/or (D) a filler such as glass fibers.Type: GrantFiled: June 5, 1995Date of Patent: April 4, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
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Patent number: 6020427Abstract: Low oil swell, processable carboxylated nitrile rubber thermoplastic vulcanizate compositions having high melting points are made utilizing a processing aid, for example, maleated polyethylene, and addition type curing agents such as bisoxazolines or bisimidazolines. The compositions generally contain polar thermoplastic high melting point crystalline polymers such as polyester as a continuous phase with the carboxylated nitrile rubber being dispersed therein.Type: GrantFiled: December 10, 1997Date of Patent: February 1, 2000Assignee: Advanced Elastomer Systems, L.P.Inventors: Tonson Abraham, Sabet Abdou-Sabet
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Patent number: 6013726Abstract: A polystyrene-based resin composition containing a styrene-based resin with mainly syndiotactic configuration, a polyamide, and a rubber polymer as main components.Type: GrantFiled: June 5, 1995Date of Patent: January 11, 2000Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akikazu Nakano, Takashi Sumitomo, Keisuke Funaki, Toshikazu Ijitsu, Michihiro Sawada, Masahiko Kuramoto, Masakazu Suzuki
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Patent number: 5989723Abstract: A conductive polyester-based alloy sheet having three layers laminated together by co-extrusion, which comprises one substrate layer and two surface layers, wherein the surface layers are conductive and comprise polyester, acrylonitrile-butadiene-styrene (abbreviated as ABS) and/or polystyrene (abbreviated as PS), a compatibilizer, and a toughening agent, wherein the surface layers have a surface conductivity of not more than 10.sup.8 ohms. The melt flow index of the material for the conductive layers during the extrusion step is not less than 5.0 g/min (loading, 10 Kg; temperature, 250.degree. C.). The substrate layer is made from acrylonitrile-butadiene-styrene and/or polystyrene.Type: GrantFiled: May 16, 1997Date of Patent: November 23, 1999Assignee: Far Eastern Textile Ltd.Inventors: Tsan Hung Tsai, Rong Shiun Pan, Cheng Chung Wu, Yuan Hwey Hsu, Jen Hao Wei, Shung Mine Hong
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Patent number: 5948863Abstract: A pressure structural or sealant composition comprises (a) from 15 to 95% by weight of a telechelic polymer such as a glycidyl ether-functional telechelic polymer and from 5 to 85% by weight of a heterotelechelic polydiene block polymer wherein at least one of the functonalities is the same as the functionality of the telechelic polymer, such as a heterotelechelic polydiene block polymer with glycidyl ether and another functionality such as olefinic unsaturation or epoxidized olefin; and (b) a dual curing system wherein one curing agent cures the teolechelic polymer and the common functionality on the heterotelechelic polydiene block polymer such as an aliphatic polyamine, and the other curing agent cures the other functionality on the heterotelechelic polydiene block polymer but does not cure under conditions required to cure the telechelic polymer, such as a sulfur-based curing agent when the functionality is olefinic unsaturation or an amino resin when the functionality is epoxidized olefin.Type: GrantFiled: September 18, 1997Date of Patent: September 7, 1999Assignee: Shell Oil CompanyInventors: David John St. Clair, James Robert Erickson
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Patent number: 5936037Abstract: The invention provides a process for the preparation of a thermoplastic elastomeric resin composition comprising melt kneading(a) 100 parts by weight of a block copolymer consisting of at least two polymeric blocks (A) composed mainly of a vinyl aromatic compound and at least one polymeric block (B) composed mainly of a conjugated diene compound, and/or a hydrogenated block copolymer obtained by hydrogenating said block copolymer,(b) 20 to 300 parts by weight of a non-aromatic softening agent for rubber,(c) 1 to 150 parts by weight of a peroxide-crosslinking type olefinic resin and/or a copolymeric rubber containing said resin, and(d) 10 to 150 parts by weight of a peroxide-decomposing type olefinic resin and/or a copolymer containing said resin,characterized in that the process comprises a step of heat-processing component (a), component (b), at least a part of component (c), at least a part of component (d) and at least a part of 1.Type: GrantFiled: May 27, 1997Date of Patent: August 10, 1999Assignee: Riken Vinyl Industry Co., Ltd.Inventor: Michihisa Tasaka
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Patent number: 5932656Abstract: A process for curing epoxidized diene polymers for use in adhesives, sealants, and coatings which comprises contacting the polymer with an aromatic anhydride curing agent at an epoxy/anhydride molar ratio from 0.5/1 to 2.0/1.0, optionally, and from 0.1 to 10 phr of an accelerator at a temperature of from 100 to for a period of 10 minutes to six hours.Type: GrantFiled: November 20, 1997Date of Patent: August 3, 1999Assignee: Shell Oil CompanyInventor: Michael Alan Masse
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Patent number: 5929165Abstract: The invention provides a process for the preparation of a thermoplastic elastomeric resin composition comprising (a) 100 parts by weight of a block copolymer consisting of at least two polymeric blocks (A) composed of a vinyl aromatic compound and at least one polymeric block (B) composed of a conjugated diene compound, or a hydrogenated block copolymer, (b) 20 to 300 parts by weight of a non-aromatic softening agent for rubber, (c) 1 to 100 parts by weight of a peroxide-crosslinking type olefinic resin or a copolymeric rubber containing said resin, and (d) 10 to 150 parts by weight of a peroxide-decomposition type olefinic resin or a copolymer containing said resin, characterized in that the process comprises a step of heat-processing component (a), component (b), at least a part of component (c) and a part of component (d) in the presence of an organic peroxide to cause crosslinking, and a subsequent step of blending these with the remaining part of component (d) and, if any, the remaining part of componentType: GrantFiled: April 26, 1996Date of Patent: July 27, 1999Assignee: Riken Vinyl Industry Co., Ltd.Inventors: Michihisa Tasaka, Toshio Ito, Hiromasa Sanada
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Patent number: 5910541Abstract: A pressure sensitive structural or sealant composition comprises (a) from 15 to 95% by weight of a telechelic polymer such as a hydroxyl-functional telechelic polymer and from 5 to 85% by weight of a heterotelechelic polydiene block polymer wherein at least one of the functionalities is the same as the functionality of the telechelic polymer, such as a heterotelechelic polydiene block polymer with hydroxyl and glycidyl ether funciontialities, and (b) a dual curing system wherein one curing agent cures the teolechelic polymer and the common functionality on the heterotelechelic polydiene block polymer such as a polyisocyanate, and the other curing agent cures the other functionality on the heterotelechelic polydiene block polymer at higher temperatures but does not cure under conditions required to cure the telechelic polymer, such as a polycarboxylic acid, polycarboxylic acid anhydride or a catalyst.Type: GrantFiled: September 18, 1997Date of Patent: June 8, 1999Assignee: Shell Oil CompanyInventors: David John St. Clair, James Robert Erickson
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Patent number: 5910540Abstract: The present invention relates to a thermoplastic elastomer composition comprising the following components (A) and (B), and to a composite molded product comprising a resin layer and an elastomer layer containing said composition as the base material. Component (A): 5 to 95% by weight of a styrene type block copolymer or a hydrogenated product thereof, comprising block (a) which is made of a polymer of styrene or a derivative thereof, and block (b) which is made of an isoprene homopolymer or a copolymer of isoprene and butadiene, wherein the total amount of the 1,2-bond and the 3,4-bond in the isoprene polymer part in block (b) is not less than 40% of the total isoprene bond unit. Component (B): 95 to 5% by weight of one or more thermoplastic elastomers which are selected from the group consisting of polyester type thermoplastic elastomers, polyamide type thermoplastic elastomers, and polyurethane type thermoplastic elastomers.Type: GrantFiled: October 22, 1996Date of Patent: June 8, 1999Assignee: Mitsubishi Chemical CorporationInventor: Hideki Takahashi
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Patent number: 5910542Abstract: Pressure sensitive structural adhesive and sealant compositions comprising: (a) a polymer system comprising from 95 to 15 percent by weight of a telechelic polymer and from 5 to 85 percent by weight of a heterotelechelic polymer wherein at least one of the functionalities thereon is the same as the functionality on the telechelic polymer, and (b) a dual curing system wherein one element of the curing system cures the telechelic polymer and the common functionality on the heterotelechelic polymer and the other element cures the functionality on the heterotelechelic polymer but does not cure under the conditions required to cure the telechelic polymer to form a structural adhesive or sealant composition. In a preferred embodiment, the polymer system is comprised of a hydroxyl functional telechelic diol or polyol polymer and the heterotelechelic polymer is a monohydroxylated polydiene polymer which also has epoxidized olefin functionality.Type: GrantFiled: May 13, 1998Date of Patent: June 8, 1999Assignee: Shell Oil CompanyInventors: David John St. Clair, James Robert Erickson
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Patent number: 5902666Abstract: A corrugated sheet comprising:50-90% by weight of recycled polyethylene terephthalate;5-20% by weight of a rubber;10-45% by weight of an inert filler;and having a crystallinity gradient such that said shaped sheet maintains the shape, under its own weight, up to a temperature of at least 70.degree. C. and has impact strength which is substantially greater compared to that of the fully crystallized shaped sheet.Type: GrantFiled: April 10, 1997Date of Patent: May 11, 1999Inventors: Leopoldo Michelotti, Marco Michelotti
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Patent number: 5886099Abstract: To provide a thermoplastic polyester resin composition having excellent impact resistance, weldability and fluidity.100 parts by weight of a thermoplastic polyester resin (A) having an intrinsic viscosity of at least 0.55 dl/g and containing at least 30 milliequivalents/kg of carboxyl end groups is blended with 1 to 10 parts by weight of a modified block copolymer (B) comprising a polymer block mainly comprising a vinyl aromatic compound and another polymer block mainly comprising a nonhydrogenated and/or hydrogenated conjugated diene compound in the same molecule wherein the conjugated diene component is partially or wholly epoxidized.Type: GrantFiled: June 4, 1997Date of Patent: March 23, 1999Assignees: Polyplastics Co., Ltd., Daicel Chemical Industries, Ltd.Inventor: Hideki Ninokura
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Patent number: 5880217Abstract: A pressure sensitive structural adhesive or sealant composition comprises a) a polymer system containing from 95 to 15 percent by weight of a telechelic polymer such as a polyhydroxylated diene block polymer and from 5 to 85 percent by weight of a heterotelechelic polymer such as an epoxidized monohydroxylated diene block polymer, and b) a dual curing system wherein one element such as a polyisocyanate cures the telechelic polymer at ambient temperature, and the other element such as an amino resin cures the heterotelechelic polymer.Type: GrantFiled: May 28, 1996Date of Patent: March 9, 1999Assignee: Shell Oil CompanyInventors: David John St. Clair, James Robert Erickson
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Patent number: 5849843Abstract: Multiple component polymer compositions for fabrication into articles. In particular, polymeric compositions comprising a heat resistant polymer; a radio frequency ("RF") susceptible polymer; a compatibilizing polymer; the composition having physical properties within the range a<40,000 psi; b>=70%; c<30%; d>1.0; e<0.1%; f<0.1%; g>=0.05; h<=60%; i=0; wherein: a is the mechanical modulus of the composition measured according to ASTM D-882; b is the percent recovery in length of the composition after an initial 20% deformation; c is the optical haze of the composition being 9 mils in thickness according to ASTM D-1003; d is the loss tangent of the composition at 1 Hz measured at melt processing temperatures; e is the elemental halogen content by weight of the composition; f is the low molecular weight water soluble fraction of the composition; g is the dielectric loss between 1 and 60 MHz and over temperatures of 25.degree. to 250.degree. C.Type: GrantFiled: November 16, 1993Date of Patent: December 15, 1998Assignee: Baxter International Inc.Inventors: Dean Laurin, Angeles Lillian Buan, Lecon Woo, Michael T. K. Ling, Yuan Pang Samuel Ding, William Anderson, Larry A. Rosenbaum, Denise S. Hayward, Joseph P. Hoppesch, Gregg Nebgen, Stanley Westphal
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Patent number: 5846642Abstract: A polyester film for thermal lamination, comprising:a polyester A of 140.degree. to 245.degree. C. in melting point mainly composed of ethylene terephthalate and/or ethylene isophthalate, a thermoplastic elastomer mixed at a ratio by weight of 81:19 to 98:2 with the elastomer comprising particles having a particle size ratio of 2 to 100 is excellent not only in formability but also in act resistance and taste property, and hence ideal for application on to the inner faces of packages, containers, etc.Type: GrantFiled: June 7, 1995Date of Patent: December 8, 1998Assignee: Toray Industries, Inc.Inventors: Masahiro Kimura, Shiro Imai
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Patent number: 5840801Abstract: The invention disclosed herein relates to methods for vulcanizing elastomeric materials. The method comprises providing a mixture of ZnO and an amphiphilic triblock copolymer selected from the group consisting of rosin and C.sub.18 -C.sub.24 fatty acid esters of polyethylene glycol and the use of the mixture for vulcanizing an elastomeric component with sulfur. The mixture not only improves the dispersion of zinc salts in the elastomeric composition but also reduces mold fouling by reducing the migration of zinc salts to the interfacial area of the elastomeric composition.Type: GrantFiled: June 24, 1996Date of Patent: November 24, 1998Assignee: Arizona Chemical CompanyInventor: Eric S. Gardiner
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Patent number: 5811493Abstract: Extrudable compositions comprising a thermoplastic polyester continuous phase, a thermoplastic polyolefin discrete phase, and a polyester-polyether, diblock, compatibilizer are disclosed. Voided films made from the composition are also disclosed. The voided films have paper-like texture and appearance.Type: GrantFiled: October 21, 1994Date of Patent: September 22, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventor: Susan L. Kent
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Patent number: 5804657Abstract: Pressure sensitive structural adhesive and sealant compositions comprising: (a) a polymer system comprising from 95 to 15 percent by weight of a telechelic polymer and from 5 to 85 percent by weight of a heterotelechelic polymer wherein at least one of the functionalities thereon is the same as the functionality on the telechelic polymer, and (b) a dual curing system wherein one element of the curing system cures the telechelic polymer and the common functionality on the heterotelechelic polymer and the other element cures the functionality on the heterotelechelic polymer but does not cure under the conditions required to cure the telechelic polymer to form a structural adhesive or sealant composition. In a preferred embodiment, the polymer system is comprised of a hydroxyl functional telechelic diol or polyol polymer and the heterotelechelic polymer is a monohydroxylated polydiene polymer which also has epoxidized olefin functionality.Type: GrantFiled: August 16, 1996Date of Patent: September 8, 1998Assignee: Shell Oil CompanyInventors: David John St. Clair, James Robert Erickson
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Patent number: 5783631Abstract: A thermoplastic elastomer composition has a plastic phase or matrix of an engineering thermoplastic such as an ester polymer and a crosslinked phase of self-cured acrylic rubber particles. The rubber particles are the reaction product of at least one functionalized acrylic rubber self-cured by a different functionalized acrylic rubber wherein the functional groups are generally a carboxyl, an epoxy, or hydroxyl, and the like. The composition can be dynamically vulcanized in the presence of an accelerator and desirably has a single low temperature brittle point.Type: GrantFiled: July 26, 1996Date of Patent: July 21, 1998Assignee: Advanced Elastomer System, L.P.Inventor: Krishna Venkataswamy
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Patent number: 5777029Abstract: A thermoplastic elastomer composition has a plastic phase or matrix of an engineering thermoplastic such as an ester polymer and a crosslinked phase of cured acrylic rubbers. The rubbers are cured by a curing agent and contain at least two functionalized acrylic rubbers wherein the functional group such as a carboxyl, an epoxy, or a hydroxyl can be the same or different. The composition can be dynamically vulcanized and desirably when one of the functionalized acrylic rubbers is a terpolymer of ethylene-alkyl acrylate-unsaturated carboxylic acid, the composition has a single low temperature brittle point.Type: GrantFiled: July 26, 1996Date of Patent: July 7, 1998Assignee: Advanced Elastomer Systems, L.P.Inventors: Jacques Horrion, Raman Patel, Sabet Abdou-Sabet, Krishna Venkataswamy
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Patent number: 5773517Abstract: A process for producing thermoplastic resin compositions, comprises mixing under melting conditions a polyester resin (I) and an addition polymer (II) having on one end thereof 0.5 to 1 group of a functional group capable of reacting with polyester resins in a ratio by weight between the former and the latter of 97/3 to 20/80 and then solid phase polymerizing the mixture, to obtain a thermoplastic resin composition comprising:?1! a high molecular polyester resin (I') derived from said polyester resin (I) , ?2! said addition polymer (II) having on one end thereof 0.Type: GrantFiled: June 11, 1997Date of Patent: June 30, 1998Assignee: Kuraray Co., Ltd.Inventors: Haruhisa Masuda, Takashi Oku, Tsugunori Kashimura
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Patent number: 5756578Abstract: A composition comprising (A) a monovinylarene/conjugated diene block copolymer, (B) an amorphous poly(ethylene terephthalate), and (C) a crystalline poly(ethylene terephthalate). A process for preparing the composition and articles manufactured from the composition are also provided.Type: GrantFiled: May 29, 1996Date of Patent: May 26, 1998Assignee: Phillips Petroleum CompanyInventor: Mark D. Hanes
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Patent number: 5741856Abstract: A process for curing epoxidized diene polymers for use in adhesives, sealants, and coatings which comprises contacting the polymer with an aromatic anhydride curing agent at an epoxy/anhydride molar ratio from 0.5/1 to 2.0/1.0, optionally, and from 0.1 to 10 phr of an accelerator at a temperature of from 100.degree. to 200.degree. C. for a period of 10 minutes to six hours.Type: GrantFiled: February 10, 1997Date of Patent: April 21, 1998Assignee: Shell Oil CompanyInventor: Michael Alan Masse
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Patent number: 5728772Abstract: A thermoplastic elastomer composition comprising from 99 to 1 wt % of a thermoplastic polyester elastomer comprising high melting point polyester segments and low melting point polymer segments, and from 1 to 99 wt % of a chlorinated polyethylene having a chlorination degree of from 20 to 45 wt % and a heat of crystal fusion of from 5 to 35 cal/g as measured by a DSC method.Type: GrantFiled: May 21, 1996Date of Patent: March 17, 1998Assignee: Mitsubishi Chemical MKV CompanyInventors: Kazuya Hori, Yuji Takeda
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Patent number: 5721318Abstract: Pressure sensitive structural adhesive and sealant compositions comprising: (a) a polymer system comprising from 95 to 15 percent by weight of a telechelic polymer and from 5 to 85 percent by weight of a heterotelechelic polymer wherein at least one of the functionalities thereon is the same as the functionality on the telechelic polymer, and (b) a dual curing system wherein one element of the curing system cures the telechelic polymer and the common functionality on the heterotelechelic polymer and the other element cures the functionality on the heterotelechelic polymer but does not cure under the conditions required to cure the telechelic polymer to form a structural adhesive or sealant composition. In a preferred embodiment, the polymer system is comprised of a hydroxyl functional telechelic diol or polyol polymer and the heterotelechelic polymer is a monohydroxylated polydiene polymer which also has epoxidized olefin functionality.Type: GrantFiled: April 12, 1996Date of Patent: February 24, 1998Assignee: Shell Oil CompanyInventors: David John St. Clair, James Robert Erickson
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Patent number: 5670564Abstract: Rigid-rod macromonomers, and methods for preparing such macromonomers, having a polyaromatic backbone, solubilizing side groups, and reactive end groups are provided. The macromonomers are chemically incorporated into polymer systems to provide stronger, stiffened polymers.Type: GrantFiled: June 1, 1995Date of Patent: September 23, 1997Assignee: Maxdem IncorporatedInventors: Robert R. Gagne, Matthew Louis Marrocco, III, Mark Steven Trimmer, Neil H. Hendricks
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Patent number: 5665822Abstract: Thermoplastic elastomers (TPEs) containing side chain crystalline (SCC) blocks. The SCC blocks my be hard (A) blocks or the soft (B) blocks (or both) in the TPE. Some of these TPEs are novel, e.g. those in which A blocks are SCC blocks, and the B blocks are polyethers, polyacrylates, polyamides, polyurethanes or polysiloxanes. The SCC-containing TPEs are particularly useful as matrix materials for other components which are dispersed therein, e.g. energetic solids and other thermally responsive materials.Type: GrantFiled: April 14, 1993Date of Patent: September 9, 1997Assignee: Landec CorporationInventors: Steven P. Bitler, Ray F. Stewart, David A. Kamp, Robert G. Freelin, Valentine Y. Yoon
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Patent number: 5654097Abstract: Bilayer filaments and fused cords thereof are described. The product is particularly useful for tire cord and filaments include a core of a partially crystalline, oriented polymer and a shell or sheath formed of a blend of robber and a relatively low melting polymer. A particularly preferred embodiment includes a poly(ethylene terephalate) core as well as a sheath of copolyester blended with poly(styrene-elastomer-styrene) elastomer.Type: GrantFiled: October 26, 1995Date of Patent: August 5, 1997Assignee: Hoechst Celanese Corp.Inventors: Eui Won Choe, Charles Edward Forbes, Jennifer Ann Filbey, Stephan Fredrick Sherriff
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Patent number: 5621040Abstract: This invention relates to a blend of a polyester, an amine functionalized elastomer and agraft coupling agent.Type: GrantFiled: August 11, 1995Date of Patent: April 15, 1997Assignee: AlliedSignal Inc.Inventors: Murali K. Akkapeddi, Bruce VanBuskirk
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Patent number: 5612401Abstract: Improved compositions are provided which comprise a poly(phenylene ether) resin, a poly(arylene sulfide) resin, a polyester resin, and a compatibilizer compound. The compositions can further comprise functionalizing agents, impact modifiers, flame retardants, and reinforcing fillers to provide compositions that exhibit improved tensile strength and elongation characteristics. Articles molded from these compositions are useful in the electrical connector industry.Type: GrantFiled: April 17, 1996Date of Patent: March 18, 1997Assignee: General Electric CompanyInventors: Sterling B. Brown, Kevin H. Dai, Chorng-Fure R. Hwang, Steven T. Rice, James J. Scobbo, Jr., John B. Yates
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Patent number: 5585434Abstract: Disclosed is a composition comprising, by weight, (a) about 94% to about 30% of a graft copolymer comprising a backbone of a propylene polymer material having graft polymerized thereto monomers that form grafted copolymers or terpolymers, the monomers being selected from the group consisting of (i) styrene and acrylonitrile, and (ii) styrene and maleic anhydride, or alpha-methylstyrene, styrene and maleic anhydride, wherein the grafted copolymers or terpolymers formed from (i) or (ii) are present in an amount of about 10 to about 95 pph of propylene polymer material, (b) about 5% to about 40% of at least one aromatic polycarbonate, and (c) about 1% to about 15% of at least one aliphatic polyester. The composition optionally also comprises about 5% to about 20% of one or more rubber components, about 1% to about 50% of a propylene polymer material, or both.Type: GrantFiled: May 31, 1995Date of Patent: December 17, 1996Assignee: Montell North America Inc.Inventors: Anthony J. DeNicola, Jr., Kyle D. Eastenson, Tam T. M. Phan
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Patent number: 5576388Abstract: Pressure sensitive structural adhesive and sealant compositions comprising: (a) a polymer system comprising from 95 to 15 percent by weight of a telechelic polymer and from 5 to 85 percent by weight of a heterotelechelic polymer wherein at least one of the functionalities thereon is the same as the functionality on the telechelic polymer, and (b) a dual curing system wherein one element of the curing system cures the telechelic polymer and the common functionality on the heterotelechelic polymer and the other element cures the functionality on the heterotelechelic polymer but does not cure under the conditions required to cure the telechelic polymer to form a structural adhesive or sealant composition. In a preferred embodiment, the polymer system is comprised of a hydroxyl functional telechelic diol or polyol polymer and the heterotelechelic polymer is a monohydroxylated polydiene polymer which also has epoxidized olefin functionality.Type: GrantFiled: August 28, 1995Date of Patent: November 19, 1996Assignee: Shell Oil CompanyInventors: David J. St. Clair, James R. Erickson
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Patent number: 5550190Abstract: The composition of the present invention is a thermoplastic elastomer composition obtained by dynamically crosslinking (A) 51-95% by weight of a thermoplastic polyester elastomer and (B) 49-5% by weight of a rubber during kneading. The composition is excellent in all of hardness, tensile strength, tensile elongation, compression set, thermal aging resistance, oil resistance and molded product appearance, and is suitably used as a material for automobile parts such as joint boot and the like.Type: GrantFiled: March 27, 1992Date of Patent: August 27, 1996Assignees: Japan Synthetic Rubber Co., Ltd., NTN CorporationInventors: Ko Hasegawa, Toshio Teramoto, Tatsuo Nakajima, Takeyoshi Konomoto
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Patent number: 5541258Abstract: A thermoplastic elastomer composition comprising (A) a thermoplastic copolyester or copolyamide elastomer, (B) an epoxy group-containing methacrylate or acrylate copolymer rubber and (C) a carboxyl group-containing methacrylate or acrylate copolymer rubber, wherein the content of component (A) is 30-90 wt. %, the total content of components (B) and (C) is 10-70 wt. %, and components (B) and (C) are crosslinked with each other. The composition provides flexible rubber articles having enhanced modulus, heat aging resistance and compression set resistance.Type: GrantFiled: October 16, 1995Date of Patent: July 30, 1996Assignees: Nippon Zeon Co., Ltd., General Electric CompanyInventors: Mitsuyoshi Aonuma, Kimiaki Sasamoto, Kozo Ikegami
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Patent number: 5523337Abstract: Hydroxy-terminated telechelic rubber polymers and block copolymers of flexible polymers with unsaturated polyester resins improve the elongation and flexural elongation of in-mold coating compositions for fiber reinforced plastics (FRP). An FRP in-mold coating composition based upon vinyl ester resin, ethylenically unsaturated monomers, and at least one of telechelic hydroxy terminated flexible polymers and the block copolymers of functionally terminated flexible polymers with unsaturated polyester polymers are described.Type: GrantFiled: October 27, 1994Date of Patent: June 4, 1996Assignee: GenCorp Inc.Inventors: Krishna G. Banerjee, I. Glen Hargis, Earl G. Melby, Douglas S. McBain
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Patent number: 5512632Abstract: The invention relates to mixtures of special polyesters and/or special polyester carbonates with amorphous thermoplastics and/or with partly crystalline thermoplastics and/or with rubbers and/or with graft polymers useful for molding articles.Type: GrantFiled: March 3, 1993Date of Patent: April 30, 1996Assignee: Bayer AktiengesellschaftInventors: Volker Serini, Dieter Freitag, Ulrich Grigo
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Patent number: 5508346Abstract: A thermoplastic polymer composition comprises:a thermoplastic polymer (a) having polarity on the main chain of the molecule thereof, anda modified block copolymer (b) of a block copolymer comprising:at least one polybutadiene block (B) having a degree of vinylization of not more than 30%, andat least one polymer block (D) comprising units from isoprene and butadiene in a ratio by weight of isoprene/butadiene of 30/70 to 100/0 and having a degree of vinylization of not more than 30%,said polybutadiene block (B) and said polymer block (D) each has a degree of unsaturation of not more than 30%, to said block copolymer a molecular unit containing a carboxyl acid group or derivatives thereof having added, the ratio by weight between said component (a) and said component (b), (a)/(b), being in a range of 2/98 to 98/2.Type: GrantFiled: March 12, 1995Date of Patent: April 16, 1996Assignee: Kuraray Co., Ltd.Inventors: Makoto Nishikawa, Yoshio Hirayama, Shiroh Kishii, Masao Ishii
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Patent number: 5502098Abstract: A polymer composition for electrical part material comprising, (I) a polymer blend which comprises (A) at least one polymer selected from specific types of polyether imides and polyesters, and (B) at least one polymer selected from specific types of polyphenylene ethers, polyolefins, and polycarbonates, and (II) a copolymer of maleic anhydride and vinyl type compound or (II') an epoxy-modified styrene-type copolymer. The composition has excellent compatibility, heat resistance, mechanical characteristics, platability, moldability, and electric characteristics. It is an ideal material for use as an electrical part material due to its low dielectric constant and low dielectric dissipation factor at high frequency.Type: GrantFiled: June 27, 1994Date of Patent: March 26, 1996Assignees: Cosmo Research Institute, Cosmo Oil Co., Ltd.Inventors: Fumie Watanabe, Takashi Mizoguchi, Masatoshi Iwafune
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Patent number: 5496885Abstract: There are disclosed a thermoplastic resin composition which comprises(a) 4 to 95% by weight of a polyphenylene ether,(b) 95 to 4% by weight of a saturated polyester,(c) 0.5 to 40% by weight of an impact modifier and(d) 0.01 to 50% by weight of a compatibilizer and(e) 0.1 to 3 parts by weight of a polycarbonate based on 100 parts by weight of the above (a) to (d) in total; and a process for preparing a thermoplastic resin composition which comprises the steps of melting and kneading(a) 50 to 95% by weight of a polyphenylene ether,(e) 0.Type: GrantFiled: May 27, 1993Date of Patent: March 5, 1996Assignee: Mitsubishi Chemical CorporationInventors: Kiyoji Takagi, Koji Nishida, Tosio Itou