Mixed With Carboxylic Acid Or Derivative Reactant Or Polymer Derived Therefrom Patents (Class 525/397)
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Patent number: 5763536Abstract: The invention comprises a polymer formulated for an acid hardened resist system. The polymer is one having acid labile blocking groups and inert blocking groups. The photoresist comprises the polymer and a photoacid generator. The inclusion of inert blocking groups on the resin improves shelf life without deleteriously affecting photolithographic properties of the resist.Type: GrantFiled: April 26, 1996Date of Patent: June 9, 1998Assignee: Shipley Company, L.L.C.Inventors: James W. Thackeray, Roger F. Sinta, Mark D. Denison, Sheri L. Ablaza
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Patent number: 5760132Abstract: Improved thermoplastic compositions that are resistant to die beard growth are described herein, comprising poly(phenylene ether) resins, polyamide resins and an amount of a beard growth reducing agent selected from the group consisting of non-elastomeric polyolefin resins, partially fluorinated polyolefins, and mixtures of non-elastomeric polyolefin resins and partially fluorinated polyolefins, effective for inhibiting beard growth. The compositions may further comprise at least one impact modifier, flow promotor or filler.Type: GrantFiled: June 7, 1995Date of Patent: June 2, 1998Assignee: General Electric CompanyInventors: Neil Andrew McGaughan, Gim Fun Lee, Jr., Ronald James Wroczyski, John Bennie Yates, Christiaan Henricus J. Koevoets, Jan P. Keulen, Jay Kumar Gianchandani, deceased
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Patent number: 5760125Abstract: A resin composition which has improved resistance to yellowing due to light without loss of the superior characteristics of polyphenylene ether polyamide resins comprises(A) a polyphenylene ether resin,(B) a polyamide resin,(C) a styrene thermoplastic resin,(D) a pigment;wherein the styrene thermoplastic resin and the pigment are dispersed in the polyphenylene ether resin and the polyphenylene ether resin is a particulate dispersion in the polyamide resin. The composition may further comprise a rubber polymer wherein the rubber polymer is dispersed in the polyphenylene ether resin.Type: GrantFiled: December 11, 1996Date of Patent: June 2, 1998Assignee: General Electric CompanyInventors: Takashi Ohtomo, Hiromi Ishida, Hidekazu Kabaya, Hiroshi Kubo
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Patent number: 5744068Abstract: Disclosed are thermoplastic blends of polyesteramides and poly(phenylene ether) resins as well as methods for preparing said polyesteramides and polycarbonate blends thereof. Preferred polyesteramides are those comprising amide units of formula (I) ##STR1## and ester units of formula (II) ##STR2## wherein the ratio of (I) to (II) is at least 1:1, and more preferably wherein at least 80% of the units of formula (I) are separated by at least one of the units of formula (II). The thermoplastic blends may additionally contain compatibilizers for the polyesteramide and poly(phenylene ether) resins.Type: GrantFiled: February 7, 1997Date of Patent: April 28, 1998Assignee: General Electric CompanyInventors: Christian Maria Emile Bailly, Bret Ja Chisholm, Henricus Gerardus C. Denissen
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Patent number: 5741846Abstract: The present invention deals with a thermoplastic composition comprising (a) a compatibilized polyphenylene ether-polyamide base resin, and (b) 1-7 parts by weight per 100 parts by weight of (a) of an electroconductive carbon black, with an Izod notched impact strength of more than 15 kJ/m.sup.2 and a volume resistivity of less than 10.sup.6 Ohm.multidot.cm.Type: GrantFiled: March 15, 1996Date of Patent: April 21, 1998Assignee: General Electric CompanyInventors: Johannes Hubertus Gabriel Marie Lohmeijer, Johannes Everardus Fortuijn, Jan Wagenaar
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Patent number: 5723551Abstract: 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. Polymers chain extended with multifunctional orthoesters are claimed.Type: GrantFiled: January 4, 1996Date of Patent: March 3, 1998Assignee: 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: 5723539Abstract: Novel modified polyphenylene ether-polyamide compositions comprising polyphenylene ether, polyamide and a polycarboxylic acid and the reaction product thereof and an improved process for preparing the same.Type: GrantFiled: March 14, 1997Date of Patent: March 3, 1998Assignee: General ElectricInventors: Robert R. Gallucci, Roelof van der Meer, Roger W. Avakian
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Patent number: 5719233Abstract: Novel modified polyphenylene ether-polyamide compositions comprising polyphenylene ether, polyamide and a polycarboxylic acid and the reaction product thereof and an improved process for preparing the same.Type: GrantFiled: March 20, 1995Date of Patent: February 17, 1998Assignee: General Electric CompanyInventors: Robert R. Gallucci, Roelof van der Meer, Roger W. Avakian
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Patent number: 5719236Abstract: 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: July 24, 1996Date of Patent: February 17, 1998Assignee: 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: 5714550Abstract: The invention is directed to a polymer composition comprising:a) a blend comprising at least one polyamide and at least one polyphenylene ether;b) at least one polymeric siloxane compound; andc) at least one boron compound.Type: GrantFiled: October 23, 1996Date of Patent: February 3, 1998Assignee: General Electric CompanyInventor: Jeremy Paul Shaw
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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: 5691412Abstract: A polyamide/aliphatic polyester block copolymer (A) comprising a polyamide block and an aliphatic polyester block, (B) satisfying the expression, T.sub.1 -T<100-C (in which T is the melting point (.degree.C.) of the above block copolymer, T.sub.1 is the melting point (.degree.C.) of a polyamide composed of the polyamide block and C is the content (wt. %) of the polyamide block), (C) exhibiting the extraction amount which satisfies the expression, when extracted in tetrahydrofuran, E<(100-C).times.0.4 (in which E is the extraction amount (wt. %) when the block copolymer is refluxed in tetrahydrofuran, and C is the content (wt. %) of the polyamide block) and (D) having an intrinsic viscosity, measured at 35.degree. C., in the range of from 0.5 to 5; a process for the production thereof; a fiber formed therefrom; and an intimate blend comprising a thermoplastic resin having no or poor compatibility with polyamide and the block copolymer.Type: GrantFiled: May 25, 1995Date of Patent: November 25, 1997Assignee: Teijin LimitedInventors: Shunichi Matsumura, Takashi Ito, Takanori Miyoshi
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Patent number: 5677392Abstract: There is provided a direct method for producing a reinforced composite resin material by polymerizing a specific copolyester having high heat resistance and a reinforcing effect in the presence of a molten preformed thermoplastic polymer. In the production of the reinforced composite resin material, a fibrillar copolyester is produced by the polymerization of specific hydroxy aromatic carboxylic acid monomers and is generated within a molten preformed thermoplastic polymer while undergoing a shearing stress. Such shearing stress causes the formation of the requisite fibrous reinforcement preferably having an aspect ratio of at least 3 within the preformed thermoplastic polymer. Such hydroxy aromatic carboxylic acid monomers preferably have acetylated hydroxyl groups when copolymerized. Additionally, substituents other than hydrogen atoms optionally may be present on the rings of the aromatic monomers at the time of the copolymerization to form the fibrillar copolyester.Type: GrantFiled: January 25, 1996Date of Patent: October 14, 1997Assignee: Polyplastics Co. Ltd.Inventors: Hajime Serizawa, Ayako Migita, Kenji Hijikata
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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: 5623024Abstract: Disclosed is a fiber-forming polymer blend, comprising:a) a polyamide;b) a miscible amorphous polymer; andc) an immiscible amorphous polymer.Type: GrantFiled: January 25, 1996Date of Patent: April 22, 1997Assignee: BASF CorporationInventors: Richard Kotek, Hans-Georg Matthies
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Patent number: 5618885Abstract: Disclosed is a fiber-forming polymer blend, comprising:a) a polyamide;b) a miscible amorphous polymer; andc) an immiscible amorphous polymer.Type: GrantFiled: January 25, 1996Date of Patent: April 8, 1997Assignee: BASF CorporationInventors: Richard Kotek, Hans-Georg Matthies
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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: 5612112Abstract: Disclosed is a fiber-forming polymer blend, comprising:a) a polyamide;b) a miscible amorphous polymer; andc) an immiscible amorphous polymer.Type: GrantFiled: January 25, 1996Date of Patent: March 18, 1997Assignee: BASF CorporationInventors: Richard Kotek, Hans-Georg Matthies
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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: 5587427Abstract: A resin composition prepared by melting and kneading (A) a thermoplastic resin comprising a polyolefin resin together with (B) a functional compound having one or more bond(s) or one or more functional group(s) selected from the group consisting of non-aromatic carbon-carbon multiple bonds, oxirane groups and substituted carboxyl groups, and subsequently mixing thereinto (C) a polar compound having in one molecule one or more polar group(s) selected from the group consisting of substituted carboxyl groups, substituted hydroxyl groups, substituted amino groups, substituted mercapto groups, substituted sulfonic acid groups, oxazoline groups, isocyanato groups and oxirane groups, provided that at least one of the polar groups of (C) is different from at least one of the functional groups of the functional compound (B), as well as a process for producing said resin composition.Type: GrantFiled: June 2, 1995Date of Patent: December 24, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroomi Abe, Kenji Nagaoka, Takashi Sanada
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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: 5583177Abstract: There is disclosed a polyamide resin composition containing: (A) 85 to 95 parts by weight of a polyamide resin; (B) 5 to 15 parts by weight of wollastonite; (C) 3 to 10 parts by weight, to 100 parts by the total weight of ingredients (A) and (B), of a styrene copolymer modified with at least one modifier selected from the group consisting of unsaturated carboxylic acids and unsaturated dicarboxylic anhydrides; and (D) 0.5 to 5 parts by weight, to 100 parts by the total weight of ingredients (A) and (B), of a high-density polyethylene modified with at least one modifier selected from the group consisting of unsaturated carboxylic acids and unsaturated dicarboxylic anhydrides, the high-density polyethylene having a weight-average molecular weight of 50,000 to 400,000.Type: GrantFiled: June 10, 1994Date of Patent: December 10, 1996Assignees: Toyo Boseki Kabushiki Kaisha, Aisin Seiki Kabushiki KaishaInventors: Koji Kinoshita, Nori Yoshihara, Minoru Hayashi, Kiyotaka Nakai
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Patent number: 5583179Abstract: Compatible blends of poly(phenylene ether) resins and polyester resins are provided comprising electrophile-containing poly(phenylene ether) resins, polyester resins and an impact modifier mixture comprising a functionalized polyolefin-based resin and an elastomeric block copolymer to afford articles having good impact, ductility and tensile properties. The compositions may further comprise reinforcing agents, flame retardants, and flow promoters. Articles made from the compositions are useful for automotive components.Type: GrantFiled: June 7, 1995Date of Patent: December 10, 1996Assignee: General Electric CompanyInventors: Chorng-Fure R. Hwang, James J. Scobbo, Jr., John B. Yates
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Patent number: 5576387Abstract: Thermoplastic compositions having improved melt strength comprise a polyphenylene ether polymer and a polyamide. The polyamide is formed from a diamine, a second amine selected from secondary triamines and polyamines, and a dicarbioxylic acid. The second amine is included in an amount sufficient to improve the melt strength of the composition. The compositions are particularly suitable for use in blow molding processes.Type: GrantFiled: November 12, 1993Date of Patent: November 19, 1996Assignee: General Electric CompanyInventor: Gregory R. Chambers
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Patent number: 5571873Abstract: A new thermoplastic homopolymer of o-cresol which is a poly(2-methylphenylene oxide) having a high molecular weight distribution is described. The polymer is prepared using a 2 and/or 6 substituted pyridine catalyst to the molecular weight distribution. The homopolymer can be blended with other thermoplastic polymers. The homopolymer is rapidly biodegraded, particularly in soil containing soil microorganisms.Type: GrantFiled: June 5, 1995Date of Patent: November 5, 1996Assignee: Board of Trustees operating Michigan State UniversityInventors: Li-Xia Li, Patrick J. Oriel, Eric A. Grulke
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Patent number: 5567780Abstract: Impact modified polyphenylene ether blends are described and the blends comprise orthoester functionalized polyphenylene ethers and orthoester functionalized rubbers, and polyesters.Type: GrantFiled: August 31, 1995Date of Patent: October 22, 1996Assignee: General Electric CompanyInventor: Farid F. Khouri
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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: 5559194Abstract: Disclosed is a fiber-forming polymer blend, comprising:a) a polyamide;b) a miscible amorphous polymer; andc) an immiscible amorphous polymer.Type: GrantFiled: October 7, 1994Date of Patent: September 24, 1996Assignee: BASF CorportionInventors: Richard Kotek, Hans-Georg Matthies
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Patent number: 5559184Abstract: A thermoplastic resin composition containing (A) 1 to 99% by weight of a modified polyphenylene ether comprising repeating units of the formula (1): ##STR1## in which R.sub.1 and R.sub.2 are, independently from each other, a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms and having a number average polymerization degree of 20 to 1200, in which 0.02/X to 1/X of methyl groups at the 2- and/or 6-positions of phenylene group are substituted by an aminomethyl group wherein X is a number average polymerization degree, and (B) 99 to 1% by weight of a polyolefin which is modified with a compound having a functional group reactive with an amino group in a molecule, which composition is excellent in heat resistance, melt flowability, processability and impact resistance, and provides an article having good appearance and gloss.Type: GrantFiled: June 9, 1994Date of Patent: September 24, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Motonobu Furuta, Takanari Yamaguchi
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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: 5554677Abstract: A blow-molded article made from a polyphenylene ether/polyamide composition reinforced with glass fibers is provided. The article is excellent in mechanical properties and blow moldability. The composition comprises a mixture consisting of (A) 10-65 parts by weight of a polyphenylene ether and (B) 90-35 parts by weight of a polyamide and, on the basis of 100 parts by weight of said mixture, (C) 10-100 parts by weight of a glass fiber, (D) 1-35 parts by weight of a polyolefin and (E) 0.01-10 parts by weight of an unsaturated polar monomer compound having in its molecule both (a) carbon-carbon double bond or carbon-carbon triple bond and (b) carboxyl group, acid anhydride group, amino group, acid amide group, imide group, epoxy group, carboxylic acid ester group, isocyanate group, methylol group or hydroxyl group as a compatibilizing agent, amounts of (C), (D) and (E) being based on 100 parts by weight of [(A)+(B)].Type: GrantFiled: March 7, 1995Date of Patent: September 10, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Kenji Nagaoka, Hiroshi Hagimori, Kaoru Kitadono
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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: 5541243Abstract: A thermoplastic resin composition comprising (a) a polyphenylene sulfide resin, (b) a polyphenylene ether resin, (c) a specific organophosphorus compound, and (d) a basic compound is disclosed. The composition exhibits improved compatibility between resinous components (a) and (b) and therefore provides a molded article having high mechanical strength and excellent appearance.Type: GrantFiled: June 30, 1994Date of Patent: July 30, 1996Assignee: Mitsubishi Chemical CorporationInventors: Haruo Ohmura, Tomohiko Tanaka
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Patent number: 5539062Abstract: Compositions are provided for comprising a compatibilizing PPE and a naphthalate-type polyester resin wherein the compositions have a drop in the elastic modulus occurring at least about 15.degree. C. higher than the corresponding blend wherein the polyester does not contain a substantial portion of naphthalate moieties. The compositions can further comprise impact modifiers, reinforcing agents, fillers, stabilizers, antistatic agents, plasticizers, lubricants, and other additives to provide compositions with enhanced physical properties. Articles molded from these compositions are useful in the automotive industry.Type: GrantFiled: June 7, 1995Date of Patent: July 23, 1996Assignee: General Electric CompanyInventors: Sterling B. Brown, Chorng-Fure R. Hwang, Steven T. Rice, James J. Scobbo, Jr., John B. Yates
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Patent number: 5534600Abstract: The present invention deals with an extrudable thermoplastic composition comprising a compatibilized polyphenylene ether-polyamide resin blend. By using a polyphenylene ether with an intrinsic viscosity of more than 45 ml/g as measurred in toluene at 25 degrees C. and a concentration of 0.6 gram per 100 ml and a polyamide with a reduced viscosity of more than 175 ml/g as measured in sulphuric acid in accordance with ISO 307, it proved to be possible to obtain a blend which could be extruded without difficulties. Blends in which only one of the two resins i.e. the polyphenylene ether or the polyamide possessed the required viscosity values were less suitable for processing by extrusion.The composition may further comprise other usual additives.Type: GrantFiled: August 23, 1994Date of Patent: July 9, 1996Assignee: General Electric CompanyInventors: Christiaan M. E. Bailly, Christiaan H. J. Koevoets
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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: 5527844Abstract: A thermoplastic molding material consists of from 5 to 95% by weight of a polyaryl ether A, from 5 to 95% by weight of a partly aromatic copolyamide B and, if required, not more than 40% by weight of a fibrous or particulate filler C or a mixture thereof, the percentages being based on the sum of A to C.Type: GrantFiled: February 13, 1995Date of Patent: June 18, 1996Assignee: BASF AktiengesellschaftInventors: Martin Weber, Klaus Muehlbach
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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: 5523342Abstract: The invention describes a thermoplastic composition made of a continuous phase made of crystalline thermoplastic resin A, a dispersed phase made of polyphenylene ether resin B, and an amide compound C represented by formula 1,R.sub.4 --CONH--R.sub.2 --HNOC--R.sub.1 --CONH--R.sub.3 --HNOC--R.sub.5(1)wherein R.sub.1, R.sub.2, and R.sub.3 represent divalent hydrocarbon groups, which may be identical or different, and R.sub.4 and R.sub.5 represent monovalent hydrocarbon groups, which may be identical or different. The amide compound is present in an amount between about 0.1 and about 30 parts by weight per 100 parts by weight of the resins A and B mixed together.Type: GrantFiled: April 21, 1995Date of Patent: June 4, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Kenji Nagaoka, Kaoru Kitadono
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Patent number: 5521244Abstract: The present invention relates to a readily molded engineering plastic composition comprising:polyphenylene ether polymer; optionallya second polymer chosen from polyesters, polyamides and polycarbonates; andabout 0.05 to about 5 weight percent hydrogenated poly (alpha-olefin) fluid.Type: GrantFiled: December 30, 1994Date of Patent: May 28, 1996Assignee: General Electric CompanyInventors: John B. Yates, Alexandros Hasson
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Patent number: 5506305Abstract: Disclosed is a thermoplastic resin composition comprising a polyphenylene ether and a polyamide and excellent in impact strength wherein an impact strength modifier having structure A--B--A (A or B is styrene) is partially dispersed in said polyphenylene ether and has layered or spherical structure of about 0.02-0.07 .mu.m.A process for producing the thermoplastic resin composition is also disclosed which comprises (1) previously melt kneading (i) at least one compatibilizing agent in an amount effective for compatibilization and (ii) a polyphenylene ether, and then (2) adding (iii) a polyamide in an amount necessary for formation of continuous phase and (iv) an impact strength modifier having structure A--B--A (A or B is styrene) and melt kneading the mixture at a maximum shear rate of 700 sec.sup.-1 or more.Type: GrantFiled: December 1, 1993Date of Patent: April 9, 1996Assignee: Sumitomo Chemical Company LimitedInventors: Kenji Nagaoka, Takashi Sanada, Yasuhito Ijichi
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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: 5498689Abstract: A modified polyphenylene ether comprising repeating units of the formula (1): ##STR1## wherein R.sub.1 and R.sub.2 are, independently from each other, a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms and having a number average polymerization degree of 20 to 12,000, in which 0.02/X to 1/X of methyl groups at the 2- and/or 6-positions of phenylene group are substituted by an aminomethyl group wherein X is a number average polymerization degree, a process for preparing the same, and a thermoplastic resin composition containing (A) 1 to 75% by weight of the above modified polyphenylene ether and (B) 99 to 25% by weight of a liquid crystalline polyester.Since this modified polyphenylene ether includes a highly reactive primary amine on the polymer side chain, it is preferably used in a wide range as a component of various compositions or polymer alloys. The thermoplastic resin composition is excellent in heat resistance, mechanical properties and appearance and gloss of a molded article.Type: GrantFiled: April 29, 1994Date of Patent: March 12, 1996Assignee: Sumitomo Chemical Company, LimitedInventors: Motonobu Furuta, Takanari Yamaguchi, Kazutoshi Ohashi
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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
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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: 5484858Abstract: The properties of polyphenylene ether-polyamide mixtures can be improved by the addition of polysiloxane compounds.Type: GrantFiled: October 18, 1994Date of Patent: January 16, 1996Assignee: General Electric CompanyInventors: Hendrikus J. E. Smits, Roelof van der Meer, Adelbert H. L. Groothuis
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Patent number: 5478888Abstract: The present invention relates to a process for the preparation of a thermoplastic resin composite comprising conducting polycondensation of a monomer material in a solution of an organic solvent containing an organic solvent soluble polymer to form an aromatic condensation polymer which is insoluble in said organic solvent and a thermoplastic resin composite prepared by the process.Type: GrantFiled: March 15, 1994Date of Patent: December 26, 1995Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Naoya Ogata, Takehisa Nakanishi, Tadashi Asanuma
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Patent number: 5474853Abstract: A resin composition comprising predetermined amounts of a specific polyamide resin (A), a modified polyphenylene ether resin (B), a fibrous inorganic filler (C) having an average fiber-diameter of 10 .mu.m or less, a powdery inorganic filler (D) having an average particle diameter of 10 .mu.m or less, an epoxy resin (E) and a copper compound (F-1) and/or a powdery phenolic resin (F-2); a molded article formed from the resin composition; and a lamp reflector formed from the molded article. The molded article formed from the above resin composition can give an automotive lamp reflector excellent in resistance to heat generated when a lamp is on, rigidity at high temperatures, clear reflection performance on a mold article surface, adhesion to deposited aluminum and adhesion to a primer coating composition.Type: GrantFiled: March 30, 1995Date of Patent: December 12, 1995Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Noriyoshi Watanabe, Kazuo Yamamiya
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Patent number: RE35509Abstract: Compatiblized mixtures of a polyphenylene ether, a polyamide and a compatibilizer are described. The mixtures have improved physical properties as a result of using in the mixtures a polyamide having a terminal amine group to terminal carboxyl group ratio of greater than 1.Type: GrantFiled: July 15, 1994Date of Patent: May 13, 1997Assignee: General Electrical CompanyInventors: Susumi Fujii, Hiromi Ishida, Masataka Morioka, Akihiro Saito, Roelof van der Meer