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公开(公告)号：JPH03281525A
公开(公告)日：1991-12-12
申请号：JP85390
申请日：1990-01-05
Applicant: TORAY INDUSTRIES
Inventor： ICHIKAWA YASUNORI , INOUE SHUNEI , YAMAMOTO YOSHIYUKI
Abstract: PURPOSE:To obtain elastic polyester useful as automobile parts, electric and electronic parts, mechanical part, etc., having excellent heat resistance, weather resistance, rubbery elasticity and mechanical properties, by feeding a liquid crystal polyester and lactone compound to an extruder and continuously subjecting to addition polymerization. CONSTITUTION:A liquid crystal polyester (preferably one consisting of structural units shown by formula I, formula II, etc.) and a lactone compound (preferably epsilon-caprolactone) are fed to an extruder and continuously subjected to addition polymerization to give the objective polyester comprising a liquid crystal polyester unit and a polylactone unit.
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公开(公告)号：JPH03217449A
公开(公告)日：1991-09-25
申请号：JP1457290
申请日：1990-01-23
Applicant: TORAY INDUSTRIES
Inventor： MAKABE YOSHIKI , NISHIYA YOSHITAKA , YAMAMOTO YOSHIYUKI
Abstract: PURPOSE:To obtain the subject polyoxymethylene resin composition excellent in mechanical strength, prevention of contact staining and odorless properties and suitable for units of mechanical systems in the field of electricity, electronics, automobile, etc., by blending a specified amount of 1,2,3-benzotriazole compound. CONSTITUTION:With (A) 100 pts.wt. polyoxymethylene resin, (B) one or more 1,2,3-benzotriazole compounds selected from 1,2,3-benzotriazole, 1,2,3-tolyltriazole, potassium salts thereof and sodium salts thereof are blended in an amount of 0.01-5 pts.wt., preferably 0.1-2 pts.wt.
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公开(公告)号：JPH03205427A
公开(公告)日：1991-09-06
申请号：JP85790
申请日：1990-01-05
Applicant: TORAY INDUSTRIES
Inventor： FURUTA YOKO , NARITA AKANE , YAMAMOTO YOSHIYUKI
IPC: C08G69/44 , C09D177/00 , C09D177/12
Abstract: PURPOSE:To obtain the title composition which can form a coating film having a good balance between hardness and processability, good adhesiveness, solving resistance and gloss, and especially excellent staining resistance by mixing a specified polyester-amide resin with an amino resin. CONSTITUTION:A coating composition for coated steel sheets is obtained by mixing a polyester-amide resin comprising 50-95wt.% polyester units formed from a glycol component comprising 20-80mol% ethylene glycol and 20-80mol% other glycols and a dibasic acid component comprising an aromatic dibasic acid and 5-50wt.% polyamide units formed from m-xylylenediamine and an aromatic dibasic acid and having a reduced viscosity (etasp/c) of 0.1-1.2dl/g as measured in o-dichlorobenzene/phenol (volume ratio 4/6) solvent in a concentration of 1.0wt.% with an amino resin.
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公开(公告)号：JPH03126752A
公开(公告)日：1991-05-29
申请号：JP26452389
申请日：1989-10-11
Applicant: TORAY INDUSTRIES
Inventor： MAKABE YOSHIKI , HATSU TOSHIHIRO , YAMAMOTO YOSHIYUKI
Abstract: PURPOSE:To obtain the subject composition excellent in surface appearance, crystallinity, mechanical strength and heat aging resistance by blending a polyoxymethylene resin with an aliphatic polyether and/or aliphatic polyester. CONSTITUTION:A polyoxymethylene resin composition obtained by blending (A) 100 pts.wt. polyoxymethylene resin with (B) 0.001-50 pts.wt. polyoxymethylene copolymer having copolymerization units expressed by the formula ((m) and (n) are 0-20; (m+n)>1; R is reactive group without branching) and (C) an aliphatic polyether and/or an aliphatic polyester in an amount of 0.01-20 pts.wt. The group R in the formula of the component (B) is selected from alkyl, alkoxy, aryl, aryloxyalkyl and aryloxy.
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公开(公告)号：JPH0314859A
公开(公告)日：1991-01-23
申请号：JP14831089
申请日：1989-06-13
Applicant: TORAY INDUSTRIES
Inventor： OKITA SHIGERU , HATSU TOSHIHIRO , YAMAMOTO YOSHIYUKI
Abstract: PURPOSE:To prepare a polyoxymethylene resin compsn. which is excellent in the heat stability and moldability by compounding a polyoxymethylene with a specific quaternary copolyamide, a hindered phenol antioxidant, and a metal salt of a fatty acid. CONSTITUTION:A polyoxymethylene resin compsn. is prepd. by compounding a polyoxymethylene homo- or copolymer; a hindered phenol antioxidant (A) having a mol.wt. of 400 or higher; a metal salt of a 12C or higher fatty acid (B); and a quaternary copolyamide comprising polyamides 6/66/610/12 (e.g. one having a wt. ratio of the polyamides 6/66/610/12 of 22/12/16/50)(C). The pref. amts. of A, B, and C are each 0.01-3 pts.wt. based on 100 pts.wt. polyoxymethylene homo- or copolymer resin.
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Patent Agency Ranking
公开(公告)号：JPH02302433A
公开(公告)日：1990-12-14
申请号：JP12507489
申请日：1989-05-17
Applicant: TORAY INDUSTRIES
Inventor： ISHII HIROMITSU , YAMAMOTO SHOJI , YAMAMOTO YOSHIYUKI
Abstract: PURPOSE:To readily obtain an elastic polyester excellent in heat, weather resistance, etc., and suitable for automotive parts, etc., with high efficiency by feeding a crystalline aromatic polyester and lactone compound to a twin-screw extruder, etc., and continuously carrying out addition polymerization. CONSTITUTION:A crystalline aromatic polyester (preferably polybutylene terephthalate) and a lactone compound (preferably epsilon-caprolactone) are fed to an extruder (preferably a meshing type twin-screw extruder having screws rotating in the same direction) having two or more axles at preferably (98/2) to (30/7) weight ratio of the crystalline aromatic polyester/lactone compound and subjected to polyaddition reaction preferably at 215 to 250 deg.C for 3 to 20min to afford an elastic polyester. Furthermore, the tip of the extruder is preferably provided with a vent port, etc., to continuously remove the unreacted lactone compound in a vacuum.
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公开(公告)号：JPH02302429A
公开(公告)日：1990-12-14
申请号：JP12507789
申请日：1989-05-17
Applicant: TORAY INDUSTRIES
Inventor： ISHII HIROMITSU , YAMAMOTO SHOJI , YAMAMOTO YOSHIYUKI
Abstract: PURPOSE:To economically obtain the subject high quality polymer by carrying out addition polymerization of a crystalline aromatic polyester with a lactone compound in a continuous stirring mixer having plural platy paddles fixed to parallel and eccentric stirring shafts of the same diameter. CONSTITUTION:A crystalline aromatic polyester, such as polyethylene terephthalate, and a caprolactone, such as epsilon-caprolactone, are charged from a feed port 4 of a double-axle self-cleaning type mixer having platy paddles 2 of cross-section in the form of a convex lens, ellipse, etc., in which the paddles fixed to one stirring shaft 1 face to the paddles fixed to the other and rotate in a drum having a jacket 3 for regulating temperature with mutual clearances kept among the inner surface of the drum, tips of the paddles and the facing paddles and reacted at, e.g. 210 to 280 deg.C, to afford the objective polymer.
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公开(公告)号：JPH0273827A
公开(公告)日：1990-03-13
申请号：JP23024588
申请日：1988-09-09
Applicant: TORAY INDUSTRIES
Inventor： FURUTA YOKO , NARITA AKANE , YAMAMOTO YOSHIYUKI
Abstract: PURPOSE:To obtain the title polymer having excellent transparency and color tone at a short time using direct polymerization method by subjecting a raw material of polyester to esterification reaction in pressurized conditions, adding a phosphorus compound, zinc compound, organotin compound, etc., thereto and subjecting the blend to polycondensation. CONSTITUTION:(A) A dicarboxylic acid consisting essentially of terephthalic acid is subjected to esterification reaction with (B) a glycol consisting essentially of ethylene glycol in pressurized state without adding a catalyst. Then, before polymerization, (C) 0.001-0.1mol% phosphorus compound such as ortho-phosphoric acid, (D) 0.001-0.5mol% zinc compound, (E) 0.00005-0.1mol% manganese com pound, (F) 0.00001-0.05mol% cobalt compound such as carbonate salt thereof, (G) 0.0005-0.1mol% antimony compound such as antimony trioxide and (H) an organotin compound are added to the component A and the blend is polymer ized to provide the aimed polyester.
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公开(公告)号：JPH0267352A
公开(公告)日：1990-03-07
申请号：JP21836788
申请日：1988-09-02
Applicant: TORAY INDUSTRIES
Inventor： OKITA SHIGERU , HATSU TOSHIHIRO , YAMAMOTO YOSHIYUKI
Abstract: PURPOSE:To obtain the title composition excellent in heat resistance, mechanical properties, etc., by mixing poly-oxymethylene with a hindered phenol, at least one member selected from among hydroxides of alkali (alkaline earth) metals and carboxylates of alkali (alkaline earth) metals and an epoxy resin. CONSTITUTION:100pts.wt. polyoxymethylene is mixed with 0.001-5pts.wt. hindered phenol of an MW >=300 (e.g., Irganox 1010), 0.001-5pts.wt. at least one compound selected from among hydroxides of alkali (alkaline earth) metals [e.g., Mg(OH)2] and carboxylates of alkali (alkaline earth) metal (e.g., calcium stearate) and 0.001-5pts.wt. epoxy resin of an MW of, desirably, 300-100000 (e.g., Epikote 1004).
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公开(公告)号：JPH01275651A
公开(公告)日：1989-11-06
申请号：JP10647488
申请日：1988-04-27
Applicant: TORAY INDUSTRIES
Inventor： OKITA SHIGERU , YAMAMOTO YOSHIYUKI , YAMAMOTO SHOJI
Abstract: PURPOSE:To obtain a polyacetal resin composition improved in mechanical properties, heat stability, weathering resistance and light resistance, by mixing a polyacetal resin with [2,2'-thiobis(phenolato)]-aliphatic amine nickel (II). CONSTITUTION:Formaldehyde and/or trioxane (a) is copolymerized with another cyclic ether (b) in the presence of a polymerization catalyst (c), and a hindered amine compound (d) of the formula (wherein R is H or a 1-30C monovalent organic residue, R are each a 1-5C alkyl, n>=1, and R is an n-valent organic residue) [e.g., bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate] is optionally added to the reaction mixture to stop the polymerization reaction. 100pts.wt. obtained polyacetal resin is mixed with 0.01-5pts.wt. [2,2'-thiobis(phenolato)]-aliphatic amine nickel (II), e.g., [2,2'-thiobis(4-t-octylphenolato)]-n-butylamine nickel (II).
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