Contacting Two Or More Solid Polymers With A Phenolic Reactant; Or Contacting A Solid Polymer With A Phenolic Reactant And Subsequently Contacting The Treated Polymer With An Additional Solid Polymer Patents (Class 525/133)
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Patent number: 5710212Abstract: A thermoplastic resin composition includes 40-75 parts by weight of a polyamide resin (A), 5-30 parts by weight of a modified polyphenylene ether (B) which is a polyphenylene ether modified with an .beta., .beta.-unsaturated carboxylic acid or a derivative thereof, 1-30 parts by weight of an aromatic vinyl compound-aliphatic hydrocarbon copolymer (C), and 1-30 parts by weight of an ethylene-.alpha.-olefin copolymer (D) or a polypropylene resin (E) with the total amount of the components (A), (B), (C), and (D) or (E) being 100 parts by weight. The polyamide resin (A) is present as a matrix phase and the other components (B), (C), and (D) or (E) are present as a disperse phase consisting of core-shell structure grains, in each of which grains the modified polyphenylene ether (B) forms a shell phase, the aromatic vinyl compound-aliphatic hydrocarbon copolymer (C) forms an intermediate phase and the ethylene-.alpha.-olefin copolymer(D) or the polypropylene resin (E) forms a core phase.Type: GrantFiled: June 27, 1996Date of Patent: January 20, 1998Assignee: Ube Industries, Ltd.Inventors: Yukihiko Asano, Kazuhiro Doi
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Patent number: 5703164Abstract: Disclosed is a styrene polymer composition comprising, in a specified proportion,(A) a styrene polymer having no functional group,(B) either of polyphenylene ether having a polar group or a mixture of polyphenylene ether having a polar group and a styrene polymer having no functional group; and(C) polyamide.These polymer compositions are excellent in impact resistance, water resistance, and mechanical properties, and are suitable for various purposes.Type: GrantFiled: February 12, 1997Date of Patent: December 30, 1997Assignee: Idemitsu Kosan Co., Ltd.Inventor: Akikazu Nakano
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Patent number: 5698632Abstract: Compatibilized blends of poly(phenylene ether) resins and polyester resins are provided from nucleophile containing poly(phenylene ether) resins and polyester resins and compatibilizer compounds to afford articles having good impact, ductility and tensile properties. The compositions may further comprise impact modifiers, metal salts, reinforcing agents, flame retardants and flow promoters. Articles made from the compositions are useful for automotive components.Type: GrantFiled: January 4, 1996Date of Patent: December 16, 1997Assignee: General Electric CompanyInventors: Sterling Bruce Brown, Chorng-Fure Robin Hwang, Farid Fouad Khouri, Steven Thomas Rice, James Joseph Scobbo, Jr., John Bennie Yates
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Patent number: 5677380Abstract: A planarizing material comprising a resin capable of having its practical temperature for a planarizing step set at a level lower than 200.degree. C., and a melamine-type heat-curing agent and/or an epoxy-type heat-curing agent.Type: GrantFiled: March 24, 1995Date of Patent: October 14, 1997Assignee: Tosoh CorporationInventors: Kosaburo Matsumura, Mitsumasa Akashi, Yoshitaka Tsutsumi, Masazumi Hasegawa
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Patent number: 5658984Abstract: A permanent anti-static polycarbonate resin composition is comprises(a) 50-95 parts by weight of an aromatic polycarbonate resin,(b) 2-40 parts by weight of a block copolyamide resin,(c) 0-50 parts by weight of an aromatic polyester resin, and(d) 1-30 parts by weight of a multi-layered polymer having a structure comprising a core composed of a rubber-like polymer prepared from an alkyl acrylate monomer in which the carbon number of the alkyl group is 2-8, and an outer shell layer formed on the surface of the core and composed of a glass-like polymer prepared from an aromatic vinyl monomer or an aromatic vinyl monomer and a vinyl monomer copolymerizable therewith.Type: GrantFiled: December 21, 1995Date of Patent: August 19, 1997Assignee: Mitsubishi Engineering-Plastics CorporationInventors: Kazuhiko Ishii, Goro Shimaoka, Michio Nakata
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Patent number: 5648424Abstract: Disclosed is a molded product of a thermoplastic resin composition which comprises:(a) a non-crystalline thermoplastic resin,(b) a crystalline thermoplastic resin and(c) an inorganic filler, if necessary,wherein a portion in which Component (a) takes a structure forming a matrix and a portion in which Component (b) takes a structure forming a matrix coexist.Type: GrantFiled: November 7, 1995Date of Patent: July 15, 1997Assignee: Mitsubishi Chemical CorporationInventors: Chiyo Miwa, Hironari Sano, Koji Nishida, Yoshihiro Kurasawa
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Patent number: 5643988Abstract: The present invention relates to a shaped article of a liquid crystalline polymer containing (A) 100 parts by weight of a liquid crystalline polyester and/or liquid crystal polyesteramide capable of forming an anisotropic melt and (B) 0.01 to 2 parts of an olefinic polymer and having a retention rate of a weld strength of 15% to 100%, which has excellent heat stability, mechanical properties, dimensional stability and mold releasability and is suitable for various application uses such as electrical and electronical related devices, accurate machine related devices, office related devices, automobile related parts.Type: GrantFiled: April 5, 1996Date of Patent: July 1, 1997Assignee: Toray Industries, Inc.Inventors: Kiyokazu Nakamura, Norio Kitajima, Toshihide Inoue
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Patent number: 5639833Abstract: The invention is directed to molding materials containingA) from 1 to 99% by weight of polyarylene ethers having repeating units I ##STR1## where t and q may each be an integer 0, 1, 2 or 3,T, Q and Z may each be a chemical bond or --O--, --S--, --SO.sub.2 --, S.dbd.O, C.dbd.O, --N.dbd.N--, R.sup.a C.dbd.CR.sup.b -- or --CR.sup.c R.sup.d --, with the proviso that at least one of the groups T, Q and Z is --SO.sub.2 -- or C.dbd.O,R.sup.a and R.sup.b,R.sup.c and R.sup.d, andAr and Ar.sup.1 are as defined in the specification,B) from 1 to 99% by weight of copolyamides containingb.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acid,b.sub.2) from 6 to 20 mol % of units which are derived from isophthalic acid,b.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine,b.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms andb.sub.5) from 0 to 4 mol % of further polyamide-forming monomers which differ from b.sub.Type: GrantFiled: August 10, 1995Date of Patent: June 17, 1997Assignee: BASF AktiengesellschaftInventors: Martin Weber, Herbert Fisch, Gunter Pipper, Axel Gottschalk
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Patent number: 5635560Abstract: The invention relates to mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer, which are distinguished by a good low-temperature strength and stress cracking resistance and good mould release properties.Type: GrantFiled: July 20, 1995Date of Patent: June 3, 1997Assignee: Bayer AGInventors: Burkhard Kohler, Dieter Wittmann, Wolfgang Ebert, Horst Beicher, Werner Tischer, Klaus Horn
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Patent number: 5633319Abstract: Non-delaminating resinous compositions are prepared by blending at least one polyetherimide, at least one liquid crystalline polyester in an amount to provide lower melt viscosity, and a compatibilizing amount of at least one polyepoxy compound. The compositions may also contain a minor proportion of at least one non-liquid crystalline polyester such as poly(ethylene terephthalate) or poly(ethylene 2,6-naphthalenedicarboxylate).Type: GrantFiled: January 16, 1996Date of Patent: May 27, 1997Assignees: General Electric Company, E. I. Du pont de Nemours & CompanyInventors: Norberto Silvi, Sterling B. Brown, Mark H. Giammattei, King L. Howe
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Patent number: 5622755Abstract: A pair of flanges are mounted on a spool of a photographic film cassette so as to come into contact with end faces or outermost convolution of a film roll wound on the spool, so that a film leader can be advanced out of the cassette shell by rotating the spool in an unwinding direction. The flanges are formed from a polyphenylene ether group resin composition, which is composed by mixing styrene group resin with polyphenylene ether resin in a weight ratio from 60:40 to 10:90, and mixing 6 to 19 parts by weight of elastomer per 100 parts by weight of said mixture of styrene group resin and polyphenylene ether resin.Type: GrantFiled: October 13, 1995Date of Patent: April 22, 1997Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazunori Mizuno, Takeshi Nabeta, Mikio Shimizu
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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: 5596040Abstract: A thermoplastic resin composition comprising:(a) about 20 to 80% by weight of polyphenylene ether resin comprising at least one structural unit in its backbone represented by the formula: ##STR1## wherein (b) about 0.01 to 10% by weight of a modified aromatic hydrocarbon-formaldehyde resin produced by modifying an aromatic hydrocarbon-formaldehyde resin which is obtained by reacting alkyl benzene with formaldehyde, using a modifying agent reactive with its methylol group, methylene ether group, or acetal group;(c) about 2 to 30% by weight of a rubber-like polymer; and(d) about 20 to 80% by weight of a polyamide resin; and a method for its preparation.Type: GrantFiled: October 4, 1995Date of Patent: January 21, 1997Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Shinya Miya, Yuichi Kano, Hisayuki Kuwahara, Takeshige Kasuya, Yosio Fukaya
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Patent number: 5585437Abstract: The present invention relates to a thermoplastic resin composition which comprises (C) 0.1 through 30 parts by weight of an adduct of alkylene oxide with a saponified copolymer of ethylene and vinyl ester of saturated carboxylic acid based on 100 parts by weight of a mixture of a crystalline thermoplastic resin (A) and a polyphenylene ether resin (B).In the resin composition, the crystalline thermoplastic resin (A) forms a continuous phase and the polyphenylene ether resin (B) forms a dispersed phase.The present invention provides a novel thermoplastic resin composition containing a polyphenylene ether resin, which has excellent flow properties, impact resistance and heat resistance.Type: GrantFiled: May 22, 1995Date of Patent: December 17, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Tadayuki Ohmae, Sumio Hara, Hiroomi Abe, Kenji Nagaoka
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Patent number: 5569710Abstract: Polymer blends of at least one polar polymer are prepared by admixture with a poly(vinyl alcohol) and a (meth)acrylate copolymer also containing vinyl amide and/or unsaturated acid units. The ternary compositions have attractive processing and performance properties.Type: GrantFiled: May 1, 1995Date of Patent: October 29, 1996Assignee: Rohm and Haas CompanyInventors: Edward E. LaFleur, William J. Work, Robert M. Amici, Newman M. Bortnick, Norman L. Holy
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Patent number: 5561193Abstract: Thermoplastic molding materials containA) from 5 to 95% by weight of a partly aromatic, semicrystalline copolyamide composed essentially ofa.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acida.sub.2) from 6 to 20 mol % of units which are derived from isophthalic acida.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine anda.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms,the molar percentages of components a.sub.1) to a.sub.4) together being 100%, andB) from 5 to 95% by weight of a polyphenylene etherC) from 0 to 30% by weight of an elastomeric polymer,D) from 0 to 45% by weight of a fibrous or particulate filler or of a mixture thereof,E) from 0 to 20% by weight of a flameproofing agent andF) from 0 to 30% by weight of conventional additives and processing assistants,the percentages A) to F) summing to 100%.Type: GrantFiled: April 17, 1995Date of Patent: October 1, 1996Assignee: BASF AktiengesellschaftInventors: Axel Gottschalk, Herbert Fisch, Gunter Pipper, Martin Weber
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Patent number: 5559186Abstract: A thermoplastic resin composition having excellent appearance and moldability contains:(A) 1 to 99% by weight of a polyphenylene ether resin,(B) 99 to 1% by weight of a polystyrene resin prepared by copolymerization of: (i) a styrene compound, 100 to 500 ppm by weight of a compound containing 2-6 vinyl groups, and if necessary, a compound capable of copolymerizing with the styrene compound, or (ii) a polystyrene resin obtained by copolymerization of a styrene compound, 100 to 500 ppm by weight of a compound containing 2-6 vinyl groups, a first rubber, and if necessary, a compound capable of copolymerizing with said styrene compound, or a mixture of (i) and (ii). Component (C) is a second rubber which can be present in amounts of about 0 to 100 parts by weight relative to (A) and (B).Type: GrantFiled: March 29, 1995Date of Patent: September 24, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Takeshi Fujii, Yasuro Suzuki, Hayato Kihara, Takashi Anbo
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Patent number: 5559185Abstract: A thermoplastic resin composition superior in impact resistance, heat resistance, flexural rigidity, processability and solvent resistance which comprises: (A) 100 parts by weight of a resin composition comprising 5-95% by weight of a polyphenylene ether, or a polyphenylene ether and polystyrene, and 95-5% by weight of a polyamide resin; (B) 5-50 parts by weight of a modified saturated rubber obtained by grafting 5-100 parts by weight of an aromatic vinyl compound on 100 parts by weight of a saturated type rubber and allowing 0.05-10 parts by weight of a compatibilizing agent to react with said rubber; and (c) 0.05-20 parts by weight of a compatibilizing agent.Type: GrantFiled: January 13, 1995Date of Patent: September 24, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroomi Abe, Taichi Nishio, Yasurou Suzuki, Mitsuji Tsuji, Takashi Sanada
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Patent number: 5554693Abstract: Thermoplastic compositions are provided containing polyphenylene ether resin, polyamide resin and terpene phenol having a hydroxyl value of 45 or above. The compositions have outstanding coating film adhesion.Type: GrantFiled: September 11, 1995Date of Patent: September 10, 1996Assignee: General Electric CompanyInventors: Takashi Ohtomo, Koji Myojo, Hiroshi Kubo
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Patent number: 5552480Abstract: There is disclosed a thermoplastic resin composition comprising as principal components a [A] thermoplastic resin having a functional group reactive with an amino group, a [B] olefinic polymer and/or styrenic polymer, the subtotal of the above [A]+[B] being 100 parts by weight, and 0.Type: GrantFiled: February 25, 1993Date of Patent: September 3, 1996Assignees: Idemitsu Petrochemical Co., Ltd., Dai-ichi Kogyo Seiyaku Co., Ltd.Inventors: Yasuhisa Sugita, Naoki Kitazawa, Hiroshi Hotta
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Patent number: 5548011Abstract: The invention relates to blends of polycarbonates, branched, phenolic hydroxy functional dimeric fatty acid polyesters and at least one component selected from polyisobutylene, silicones and mineral oils.Type: GrantFiled: August 31, 1995Date of Patent: August 20, 1996Assignee: Bayer AGInventors: Burkhard Kohler, Wolfgang Ebert, Klaus Horn, Richard Weider, Thomas Scholl
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Patent number: 5543452Abstract: A flame-resistant polyamide resin composition comprising components:(A) a polyamide or a blend of a polyamide with another polymer,(B) a flame retardant comprising a brominated styrene or styrene derivative polymer having acid anhydride groups, and(C) a flame retardant comprising a brominated polystyrene.Type: GrantFiled: April 20, 1995Date of Patent: August 6, 1996Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Junichi Nakahashi, Itaru Natori
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Patent number: 5543448Abstract: Blends of polycarbonate and polyester are admixed in compositions with poly(phenylene ether), and/or with a poly(phenylene ether) concentrate containing poly(phenylene ether), polystyrene, a vinyl aromatic copolymer, polyamide, polycarbonate, polyester, poly(alkyl acrylate), and/or poly(alkyl methacrylate).Type: GrantFiled: January 26, 1995Date of Patent: August 6, 1996Assignee: The Dow Chemical CompanyInventor: Michael K. Laughner
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Patent number: 5532067Abstract: Compatible polymer blends containing A) 0.5-99.5 wt. %, preferably 50 to 90 wt. % of a polyphenylene ether, synthesized from units of formula (I) ##STR1## where R.sub.1 stands for an optionally substituted cycloalkyl group or alkoxyl group having 1 to 8 carbon atoms or an optionally substituted aryl group having 6 to 10 carbon atoms or for chlorine, where R.sub.2 stands for an optionally substituted cycloalkyl group or alkoxyl group having 1 to 8 carbon atoms or an optionally substituted aryl group having 6 to 10 carbon atoms or for chlorine, and B) 99.5-0.5 wt. %, preferably 50 to 10 wt. % of a polyaryl(meth)acrylate containing 20-100 wt. % of monomers of the formula (II) ##STR2## where R.sub.3 stands for hydrogen or methyl, Q stands for an alkylidene group having 1 to 6 carbon atoms or a group --(CH.sub.2).sub.m --O--, where m denotes a number from 2 to 6,x stands for zero or 1 andR.sub.Type: GrantFiled: August 22, 1994Date of Patent: July 2, 1996Assignee: Roehm GmbH Chemische FabrikInventors: Jens-Dieter Fischer, Werner Siol
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Patent number: 5530047Abstract: 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: April 10, 1995Date of Patent: June 25, 1996Assignees: Cosmo Research Institute, Cosmo Oil Co., Ltd.Inventors: Fumie Watanabe, Takashi Mizoguchi, Masatoshi Iwafune
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Patent number: 5523360Abstract: A process for the modification of a polyphenylene ether resin composition is claimed, said process being carried out in a temperature range of between the melting point and the degradation point of said resin composition and in the presence of an effective amount of a citraconimide compound to reduce the melt viscosity of said resin composition, said citraconimide compound being represented by formula (I), wherein X is selected from the group consisting of hydrogen, C.sub.1 -C.sub.18 alkyl groups, C.sub.2 -C.sub.18 alkenyl groups, C.sub.2 -C.sub.18 alkynyl groups, C.sub.3 -C.sub.18 cycloalkyl groups, C.sub.3 -C.sub.18 cycloalkenyl groups, C.sub.3 -C.sub.18 cycloalkynyl groups, C.sub.6 -C.sub.18 aryl groups, C.sub.7 -C.sub.30 aralkyl groups, C.sub.7 -C.sub.30 alkaryl groups, and C.sub.7 -C.sub.30 alkernaryl groups, all of which may be linear or branched and unsubstituted or substituted with one or more amino, carboxy, cyano, halogens, esters, oxiranes, ethers, nitro, hydroxy and alkoxy groups.Type: GrantFiled: February 2, 1995Date of Patent: June 4, 1996Assignee: Akzo Nobel N. V.Inventors: Jernej Jelenic, Auke G. Talma, Peter Hope
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Patent number: 5520849Abstract: New electrically conductive polymer compositions comprisei) an electrically conductive polymer a) of one or more oxidatively polymerizable aromatic compounds andii) a polymer d) having ammonium, phosphonium or sulfonium groups in the polymer chain(s).The polymer compositions comprising polymers a) and d) are prepared by oxidative polymerization of one or more aromatic compounds in the presence of a polymer b) having ammonium, phosphonium or sulfonium groups in the polymer chain(s) and containing a polydentate anionic complex which has a redox potential sufficient for enabling oxidative polymerization of the aromatic compounds. Said polymer b) which has a non-metallic anionic complex such as S.sub.2 O.sub.8.sup.2- is also novel.Type: GrantFiled: June 23, 1994Date of Patent: May 28, 1996Assignees: The Dow Chemical Company, Deborah C. DuludeInventor: Jurgen Eiffler
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Patent number: 5504158Abstract: There is provided in accordance with the present invention polyphenylene ether/polyalkyleneterephthalamide compositions of high dimensional stabilities that are suitable for high temeprature applications comprising from about 20 to about 70 weight % of a functionalized polyphenylene ether; from about 20 to about 70 weight % of a polyalkyleneterephthalamide, wherein the polyalkyleneterephthalamide is derived from terephthalic acid and an .alpha.,.omega.-alkanediamine having 10 to 14 methylene groups; and from about 0 to about 20 weight % of a functionalized elastomeric polymer, wherein the blend absorbs less than 2 wt % of moisture and has a dimensional growth in water of less than 0.5%.Type: GrantFiled: January 10, 1995Date of Patent: April 2, 1996Assignee: AlliedSignal Inc.Inventors: Murali K. Akkapeddi, Jeffrey H. Glans
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Patent number: 5504130Abstract: Disclosed are compositions having the characteristic of improved flow for compositions comprising a poly(phenylene ether) resin, a polyester resin, a polycarbonate resin, a reinforcing filler, a terpene phenol resin. The compositions may further comprise at least one additional material from the group consisting of impact modifiers, non-elastomeric polymers of an alkenyl aromatic compound and an additive package. The heat distortion temperature of the compositions can be further improved with the addition of an optional non-reinforcing filler in combination with a poly(tetrafluoroethylene) resin without significant loss of the physical properties.Type: GrantFiled: September 1, 1994Date of Patent: April 2, 1996Assignee: General Electric CompanyInventor: Geoffrey H. Riding
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Patent number: 5504139Abstract: The present invention provides a polymeric composition including a blend of at least two different polymers selected from the group consisting of polystyrene, polycarbonate, polyetherimide, polyolefin, polysulphone, polyethersulphone, polyacetal, nylon, polyester, polyphenylene sulphide, polyphenylene oxide and polyetheretherketone and at least one elastomer having a tensile modulus less than about 50,000 p.s.i. Alternatively or additionally, the elastomer may be functionalized to graft with at least one of the polymers. The present invention also provides a method of making a tribological wear system by melt-mixing the polymeric composition to improve the wear resistance of a polymeric composite whose surface bears against another surface, thereby causing friction and wear of the polymeric composite.Type: GrantFiled: June 28, 1994Date of Patent: April 2, 1996Assignee: Kawasaki Chemical Holding Co., Inc.Inventors: Mark Davies, Anne E. Bolvari
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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: 5500478Abstract: Thermoplastic resin compositions consisting of 1 to 40 wt % a polyether ester amide (A) and 99 to 60 wt % of at least one thermoplastic resin (B) selected from styrene based resins, further containing (C) 0.1-10% of a modified vinyl polymer containing carboxyl groups, are permanently antistatic, excellent in mechanical properties represented by impact resistance, heat resistance moldability and also in the appearance and gloss of the moldings, and suitable for housings of optical or magnetic recording media.Type: GrantFiled: May 10, 1994Date of Patent: March 19, 1996Assignee: Toray Industries, Inc.Inventors: Tadao Fukumoto, Masatoshi Iwamoto, Akihiko Kishimoto
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Patent number: 5489640Abstract: Disclosed are compositions having the characteristic of improved heat distortion temperature for compositions comprising a poly(phenylene ether) resin, a polyester resin, a polycarbonate resin, a reinforcing filler, and a heat enhancing non-fibrous filler in combination with a poly(tetrafluoroethylene) resin. The compositions may further comprise at least one additive from the group consisting of impact modifiers, non-elastomeric polymers of an alkenyl aromatic compound and an additive package. The flow of such compositions can be further improved with the addition of an optional flow promoting terpene phenol material without significant loss of the physical properties.Type: GrantFiled: September 1, 1994Date of Patent: February 6, 1996Assignee: General Electric CompanyInventor: Geoffrey H. Riding
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Patent number: 5484846Abstract: Thermoplastic molding compounds containingA. 10 to 99 parts by weight polycarbonate or polyester carbonateB. 0 to 90 parts by weight of a rubber-free resin compatible or partly compatible with component A.,C. 0 to 90 parts by weight of a rubber-modified resin compatible or partly compatible with component A.,D. 0.5 to 10 parts by weight, based on 100 parts by weight of A+B+C, of a rubber component having a glass transition temperature below 0.degree. C. which is incompatible with component A,characterized in that component D is used in the form of a powder mixture D* produced froma. 1 to 50 parts by weight of an ungrafted particulate rubber component having a glass transition temperature below 0.degree. C. and an average particle diameter d.sub.50 of 0.05 to 5 .mu.m in latex form andb. 50 to 99 parts by weight of component B, component C or a mixture of components B and C in latex form,the components mentioned under a. and b.Type: GrantFiled: November 30, 1994Date of Patent: January 16, 1996Assignee: Bayer AGInventors: Dieter Wittman, Jochen Schoeps, Horst Beicher, Karl-Erwin Piejko, Kurt Weirauch
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Patent number: 5475058Abstract: The present invention provides a resin composition which is lowly water-absorbent and is excellent in properties such as mechanical strength, flexibility and heat resistance while improving the compatibility of the conventional resin composition comprising a polyamide resin and a thermoplastic polyester resin, and which comprises 100 parts by weight of a mixture composed of:(A) 10 to 90% by weight of a polyamide resin having a molar ratio of the terminal carboxyl group to the terminal amino group of 1.5 or more, and(B) 90 to 10% by weight of a thermoplastic polyester resin, and incorporated therein, and(C) 0.1 to 10 parts by weight of a vinylic copolymer comprising 40 to 99% by weight of a specified vinyl monomer and 60 to 1% by weight of a specified vinyl monomer having a glycidyl ester group.Type: GrantFiled: October 11, 1994Date of Patent: December 12, 1995Assignees: Polyplastics Co., Ltd., Daicel Chemical Industries, Ltd.Inventors: Hiroo Horiuchi, Mitsuo Wada, Naoki Wakita, Kazushi Watanabe
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Patent number: 5475054Abstract: A resin composition comprising (A) a polyphenylene ether resin, (B) a polyolefin resin, and optionally (C) an elastomer, and (D) an aliphatic polycarboxylic acid derivative represented by the following general formula:(R.sub.1 O).sub.m R(COOR.sub.2).sub.n (CORN.sub.3 R.sub.4).sub.swherein R represents a saturated hydrocarbon group having 2 to 20 carbon atoms with a linear or branched chain; R.sub.1 represents a hydrogen atom or an alkyl, aryl, acyl or carbonyldioxy group having 1 to 10 carbon atoms; each R.sub.2 represents a hydrogen atom or an alkyl or aryl group having 1 to 20 carbon atoms; R.sub.3 and R.sub.4 each represents a hydrogen atom or an alkyl or aryl group having 1 to 10 carbon atoms; m represents a number equal to 1 or 2; (n+s) is larger than or equal to 2 and, n and s are each larger than or equal to 0; (OR.sub.1) is in an alpha or beta position with respect to a carbonyl group, and in which at least two carbonyl groups are separated by 2 to 6 carbon atoms.Type: GrantFiled: September 28, 1994Date of Patent: December 12, 1995Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroomi Abe, Kenji Nagaoka, Takashi Sanada
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Patent number: 5470913Abstract: The invention relates to polymer mixtures which comprise a polyphenylene ether, a polyamide and an agent to improve the impact resistance.Type: GrantFiled: October 26, 1989Date of Patent: November 28, 1995Assignee: General Electric CompanyInventors: Roelof van der Meer, Charles F. Pratt, Johannes W. J. de Munck, Jean M. H. Heuschen
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Patent number: 5470909Abstract: A polyamide resin composition including 100 parts by weight of a resin composition containing of 20 to 80% by weight of an aromatic polyamide resin and 80 to 20% by weight of a modified polyphenylene ether resin (the total amount in % by weight of the aromatic polyamide resin and the modified polyphenylene ether resin being 100% by weight) and, incorporated in the resin composition, 0.5 to 30 parts by weight of a liquid-crystalline polymer, 0.01 to 3 parts by weight of a compatibilizing agent and 2 to 40 parts by weight of an inorganic filler and optionally a rubber component. The plate thickness of the resin molded articles may be reduced to 2 mm or less, and even further to 1 mm or less without deterioration of the properties thereof.Type: GrantFiled: August 25, 1993Date of Patent: November 28, 1995Assignee: Fujitsu LimitedInventors: Kota Nishii, Kouichi Kimura, Masanobu Ishizuka, Katsura Adachi
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Patent number: 5466737Abstract: A polyimide resin composition for sliding members which has high heat resistance and sliding properties and excels in wear resistance under sliding conditions at high PV values and which can keep low the rate of shrinkage due to crystallization treatment. The composition is made up of 100 parts by weight of resin composition comprising 50-90% by weight of a thermoplastic polyimide resin and 50-10% by weight of graphite obtained by graphitizing a non-phenolic resin material and containing 97% or more of fixed carbon; 5-20 parts by weight of tetrafluoroethylene resin; and 5-30 parts by weight of a powdery hardened phenolic resin.Type: GrantFiled: December 23, 1993Date of Patent: November 14, 1995Assignee: NTN CorporationInventors: Yoshio Oki, Takumi Shimokusuzono
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Patent number: 5461092Abstract: A polycarbonate blend of good impact and flexural strength, good heat distortion and weldline properties, and good solvent resistance prepared by admixing with polycarbonate an aromatic polyester, an olefinic epoxide-containing modifier, and a rubber-modified styrene/acrylonitrile copolymer.Type: GrantFiled: November 28, 1994Date of Patent: October 24, 1995Assignee: The Dow Chemical CompanyInventor: Michael K. Laughner
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Patent number: 5457159Abstract: Process for the preparation of plastoelastomeric preparations comprising an elastomeric phase of an EPDM elastomer and a plastomeric phase of a thermoplastic olefinic polymer, wherein the elastomeric phase is dynamically vulcanized with a vulcanizing binary agent consisting of an alkylphenol-formaldehydic resin and sodium bisulphite.Type: GrantFiled: December 9, 1993Date of Patent: October 10, 1995Assignee: Paranova Articoli Tecnici S.r.l.Inventors: Roberto Fassina, Alessandro Fassina
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Patent number: 5447789Abstract: Promoting adhesion (without need for an adhesive) of polyurethane to polyvinyl chloride sheet plasticized with ethylene/carbon monoxide polymer by adding an effective amount of a phenolic resin; particularly novolac resins.Type: GrantFiled: September 30, 1993Date of Patent: September 5, 1995Assignee: E. I. Du Pont de Nemours and CompanyInventor: Elizabeth R. Griffin
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Patent number: 5444123Abstract: Halogen-free flameproofed thermoplastic molding materials based on polyphenylene ethers and polystyrene containing, as essential components,A) from 5 to 92% by weight of one or more polyphenylene ethers,B) from 5 to 92% by weight of a vinylaromatic polymer andC) from 3 to 25% by weight of a flameproofing agent based onC1) from 20 to 100% by weight (based on the total amount of C) of a polymeric phosphorus compound which is obtained by polymerizing or copolymerizing one or more compounds of the following structure: ##STR1## where ##STR2## R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.10 and R.sup.11 are each hydrogen, alkyl, cycloalkyl, aralkyl or aryl,R.sup.7, R.sup.8 and R.sup.9 are each alkylidene, cycloalkylidene, aralkylidene or arylidene,m, p, q, r, s, t, u and v are each 0 or 1,n is 0, 1 or 2,U is COO, O, S or NR.sup.9,V, W, X and Y are each O, S or NR.sup.9 andZ is O, S or NR.sup.10 R.sup.Type: GrantFiled: February 28, 1994Date of Patent: August 22, 1995Assignee: BASF AktiengesellschaftInventors: Doris Zeltner, Norbert Niessner, Friedrich Seitz, Ranier Neumann, Stefan Seelert
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Patent number: 5434220Abstract: A polyphenylene ether resin composition containing (A) 100 parts by weight of a polyphenylene-ether-base resin composed of 100-60 wt. % of a polyphenylene ether resin and 0-40 wt. % of a polystyrene resin and (B) 1-40 parts by weight of a dicarboxylic acid ester copolymer obtained from a vinyl monomer and an unsaturated dicarboxylic acid ester as copolymerizable components. The dicarboxylic acid ester copolymer has a weight average molecular weight not greater than 60,000. The polyphenylene ether resin composition, if necessary, can further comprise (C) 1-40 parts by weight of conductive carbon or an A-B-A' type or A-B'-B" type block copolymer elastomer. Owing to its excellent mechanical properties, heat resistance and moldability, the resin composition is useful in the fields of automotive vehicles, home electronic or electric appliances and industrial parts or components.Type: GrantFiled: August 10, 1994Date of Patent: July 18, 1995Assignee: Mitsui Toatsu Chemicals, IncorporatedInventors: Masaji Yoshimura, Kazuharu Kanezaki, Takashi Satoh, Tomoyuki Nakata, Minoru Takiguchi
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Patent number: 5428091Abstract: A thermoplastic resin composition which comprises 100 parts by weight of a composition comprising 95-5 % by weight of at least one polyolefinresin (A) selected from homopolymers of ethylene or .alpha.-olefin or copolymers thereof and these homopolymers or copolymers modified with a polyfunctional compound (E) and/or an unsaturated monomer (L) and 5-95 % by weight of at least one polyphenylene-ether-resin (B) selected from polyphenylene ether, modified polyphenylene ether with the above (E) and/or (L) and a composition comprising the polyphenylene or modified polyphenylene ether and an aromatic vinyl polymer resin (M) and 0.001-10 parts by weight of a dinitrodiamine (D) of the following formula (I). ##STR1## (wherein X represents a divalent chain aliphatic group, a cyclic aliphatic group or an aromatic group which may contain a halogen or an oxygen atom, R.sup.1 represents a hydrogen atom, a chain aliphatic group, a cyclic aliphatic group or an aromatic group and when both of X and R.sup.Type: GrantFiled: December 22, 1993Date of Patent: June 27, 1995Assignee: Sumitomo Chemical Co., Ltd.Inventors: Hiroomi Abe, Takeshi Fujii, Masashi Yamamoto, Shinichi Yachigo, Hideo Nagasaki, Naoki Inui
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Patent number: 5424341Abstract: A blend of polycarbonate and chlorinated polyethylene which has a desirable balance of impact and ignition resistance properties.Type: GrantFiled: October 20, 1993Date of Patent: June 13, 1995Assignee: The Dow Chemical CompanyInventors: Samuel A. Ogoe, David W. Liou, Oliver C. Ainsworth, James R. Bethea, John W. Muskopf, Craig L. Werling, Edwin J. Wilson, John W. Cocup
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Patent number: 5420199Abstract: A thermoplastic resin composition consisting essentially of (a) 50 to 90 % by weight of polybutylene terephthalate (component A), (b) 5 to 40 % by weight of modified polyolefin modified by an unsaturated monomer having a glycidyloxy group and an unsaturated monomer having a carboxyl group or an acid anhydride group (component B), (c) 5 to 40 % by weight of polycarbonate (component C); and molded articles prepared from the above thermoplastic resin composition.The thermoplastic resin composition of the invention can give molded articles having excellent toughness, rigidity, strength and dimensional stability.Type: GrantFiled: February 28, 1994Date of Patent: May 30, 1995Assignee: Teijin LimitedInventor: Hiroki Fujie
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Patent number: 5418291Abstract: A resin composition comprising(a) a polyphenylene ether resin or a mixture of it and a polystyrene resin,(b) a co-oligomer of ethylene and an alpha-olefin,(c) optionally an elastomeric hydrogenated A-B-A block copolymer, and(d) optionally an elastomeric hydrogenated A-B block copolymer.The chemical resistance of the polyphenylene ether is improved.Type: GrantFiled: January 18, 1994Date of Patent: May 23, 1995Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Hideo Uno, Hiroshi Murayama, Yasumasa Norisue, Ryu Iwasaki
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Patent number: 5418275Abstract: There are disclosed a polystyrene composition which comprises 100 parts by weight of a syndiotactic polystyrene (SPS)(a) and 1 to 100 parts by weight of a high molecular compound comprising 5 to 95% by weight of polyphenylene ether (PPO) and/or modified PPO and 95 to 5% by weight of a rubbery elastomer (b) and optionally, 1 to 350 parts by weight of an inorganic filler (d) and also a polystyrene composition which comprises 100 parts by weight of the component (a), 0.1 to 30 parts by weight of the component (b) and 1 to 100 parts by weight of a rubbery elastomer (c) and optionally, 1 to 350 parts by weight of the component (d). The above compositions are greatly improved in impact resistance, elongation and retention of physical properties during recycling without detriment to heat resistance and modulus of elasticity.Type: GrantFiled: September 9, 1993Date of Patent: May 23, 1995Assignee: Idemitsu Kosan Co., Ltd.Inventors: Akihiko Okada, Nobuyuki Sato
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Patent number: RE35398Abstract: 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 monocarboxylic acid as well as copolymers of ethylene with the acid per se. The preferred copolymer is ethylene-vinylacetate copolymer. Uncured rubber can be included in the composition.Type: GrantFiled: September 25, 1995Date of Patent: December 10, 1996Assignee: Advanced Elastomer Systems, L.P.Inventors: Donald R. Hazelton, Robert C. Puydak