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公开(公告)号：JPH01174557A
公开(公告)日：1989-07-11
申请号：JP33502487
申请日：1987-12-28
Applicant: TORAY INDUSTRIES
Inventor： KARASAWA HIROO , OKITA KIYOMI , YONETANI KIICHI
Abstract: PURPOSE:To obtain the subject composition having excellent resistance to hydrolysis and mold and flow properties, yielding no flash in molding and exhibiting little variation of surface gloss and color tone in heat-treatment of molded article by using a specific epoxy compound in combination with a carbodiimide compound and blending specific amounts thereof. CONSTITUTION:100pts.wt. aromatic polyester (e.g., polybutylene terephthalate) is blended with (A) 0.005-10pts.wt., preferably 0.2-3pts.wt. epoxy compound expressed by the formula (Ar is 6-20C aromatic group, alicyclic group, n is 0, 1-20) and preferably having 0-2 average degree of polymerization, 1-3 weight-average molecular weight/number-average molecular weight and (B) 0.005-5pts.wt., preferably 0.05-2pts.wt. carbodiimide compound (e.g., dicyclohexylcarbodiimide).
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公开(公告)号：JPH01174555A
公开(公告)日：1989-07-11
申请号：JP33502587
申请日：1987-12-28
Applicant: TORAY INDUSTRIES
Inventor： KARASAWA HIROO , OKITA KIYOMI , YONETANI KIICHI
Abstract: PURPOSE:To obtain the subject composition suitable for machine working part, etc., having excellent mechanical strength, resistance to heat cycle and resistance to hydrolysis, by melting and mixing aromatic polyester, epoxy compound and inorganic filler, and thereafter mixing with a specific modified ethylene-base copolymer. CONSTITUTION:(A) 100pts.wt. aromatic polyester having 1.15-2 relative viscosity (e.g., polyethylene terephthalate), (B) 1-120pts.wt. inorganic filler (e.g., glass fiber) and (C) 0.01-10pts.wt. epoxy compound are blended, molten and mixed, and thereafter (D) 1-70pts.wt. a modified ethylene-base copolymer obtained by graft copolymerizing 0.01-10wt.% unsaturated carboxylic acid (derivative) onto ethylene-base copolymer, is blended, molten and mixed.
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Patent Agency Ranking
公开(公告)号：JPS6474260A
公开(公告)日：1989-03-20
申请号：JP23036987
申请日：1987-09-14
Applicant: TORAY INDUSTRIES
Inventor： NAKAMURA SEIICHI , KARASAWA HIROO , YONETANI KIICHI
Abstract: PURPOSE:To obtain the title resin composition improved in moldability in a mold at a relatively low temperature and in the impact resistance, heat resistance, etc., of a molding, by mixing polyethylene terephthalate with a specified polyoxyalkylene group-containing metal sulfonate. CONSTITUTION:A polyoxyalkylene group-containing metal sulfonate of formula I (wherein Ar is an aromatic residue which may be substituted, R1 is a 2-20C aliphatic hydrocarbon group, R2 and R3 are each H or a group of formula II, M is an alkali metal or an alkaline earth metal, n is 2-20, and m is 1 or 2) is prepared. 0.05-15pts.wt. compound of formula I is added to 100pts.wt. polyethylene terephthalate. Examples of the compound of formula I include sodium polyoxyethylene phenyl ether sulfoacetate and sodium polyoxyethylene monobutylphenyl ether sulfoacetate.
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公开(公告)号：JPS6416862A
公开(公告)日：1989-01-20
申请号：JP17343887
申请日：1987-07-10
Applicant: TORAY INDUSTRIES
Inventor： KARASAWA HIROO , YONETANI KIICHI , OKITA KIYOMI
Abstract: PURPOSE:To produce an aromatic polyester composition with high hydrolytic resistance, excellent molding flowability and weather resistance, by adding a specific epoxy compound, a hindered phenol compound and/or a sulfur- containing ester. CONSTITUTION:(A) 100pts.wt. of an aromatic polyester, preferably PETE, PBTF of 1.15-2 relative viscosity, are mixed with (B) 0.01-10pts.wt., preferably 0.05-5pts.wt. of an epoxy compound of formula I (Ar is preferably 6-20C aromatic, alicyclic group, preferably 4-phenylene; n is 0, 1-20, preferably 0, 1-10) and (C) 0.01-5pts.wt., preferably 0.05-3pts.wt. of a hindered phenol consisting of formula II (R is 1-20C alkyl) units and having 500 or more molecular weight and/or a sulfur-containing ester (preferably didodecyl thiodipropionate).
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公开(公告)号：JPS6416859A
公开(公告)日：1989-01-20
申请号：JP17344087
申请日：1987-07-10
Applicant: TORAY INDUSTRIES
Inventor： OKITA KIYOMI , YONETANI KIICHI , KARASAWA HIROO
Abstract: PURPOSE:To obtain a composition with excellent flame retardancy, mechanical properties, heat resistance and blooming properties, by adding a brominated phenoxy resin or brominated polycarbonate oligomer and an antimony compound to an aromatic polyester resin. CONSTITUTION:(A) 100pts.wt. of an aromatic polyester is mixed with (B) 1-50pts.wt. of a brominated phenoxy resin of formula I (X is 1-10C alkylene, alkylidene; n is 20 or more), (C) 1-50pts.wt. of at least one selected from (C1) terminal-brominated polycarbonate oligomer of formula II (Y is 1-10C hydrocarbon group, CO; R , R are 6-20C aromatic group which may be substituted; p, q are 1-4; m is 2-20), (C2) brominated polystyrene of formula III (R is H, methyl; s is 1-5; l is 30 or more) and C3) halogenated phenolic condensate and (D) 0.1-20pts.wt. of an antimony compound where the weight ratio of B/C is 95/5-5/95 and the total weight of B and C is less than 60pts.
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公开(公告)号：JPS63117061A
公开(公告)日：1988-05-21
申请号：JP26202786
申请日：1986-11-05
Applicant: TORAY INDUSTRIES
Inventor： OKITA KIYOMI , YONETANI KIICHI , KARASAWA HIROO
Abstract: PURPOSE:To provide the title compsn. having excellent antistatic properties, heat resistance and mechanical properties, consisting of a polybutylene terephthalate, a specified phosphonium salt of an alkylsulfonic acid and a hindered phenol compd. CONSTITUTION:100pts.wt. polybutylene terephthalate (A) having a relative viscosity of 1.30-2.00 (in 0.5% o-chlorophenol at 25 deg.C) and the number of terminal carboxyl groups of 10-80 equivalents/ton is blended with 0.01-10pts.wt. phosphonium salt of an alkylsulfonic acid (B) of the formula (wherein R is a 1-40 C alkyl; R and R are each a 1-20 C hydrocarbon group) and 0.001-5 pts.wt. hindered phenol compd. (C) having an MW of 150-5,000 and of formula II (wherein R is a 1-10 C alkyl such as methyl, ethyl, propyl, etc.).
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公开(公告)号：JPS62172054A
公开(公告)日：1987-07-29
申请号：JP1301986
申请日：1986-01-25
Applicant: TORAY INDUSTRIES
Inventor： YONETANI KIICHI , KARASAWA HIROO , OKITA KIYOMI
Abstract: PURPOSE:The titled composition having good retention stability in molding, improved flame retardance, mechanical properties, etc., obtained by blending an aromatic polyester with a brominated polycarbonate oligomer having ends hindered with a specific substituent group, an antimony compound, etc., in a specific ratio. CONSTITUTION:100pts.wt. aromatic polyester resin (e.g., polybutylene terephthalate, etc.,) having 1.15-2 relative viscosity is blended with (A) 1-50pts. wt., preferably 3-50pts.wt. brominated polycarbonate shown by formula I [X is 1-10C hydrocarbon, etc.; l and m are 1-4; n is 2-30; Ar and Ar' are group shown by formula II- formula IV (R1 and R2 are 1-6C alkyl, etc.; R3-R5 are H, etc.; Ar'' is 6-10C aryl, etc.,)] having >=25wt% bromine content and 2-30 polymerization degree, (B) 1-5pts.wt., preferably 3-30pts.wt. antimony compound (e.g., antimony trioxide, etc.,) and (C) 0.005-5pts.wt., preferably 0.01-2pts.wt. phosphorus compound (e.g., phosphoric ester, etc.,) having
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