-
公开(公告)号：JP2551175B2
公开(公告)日：1996-11-06
申请号：JP32338089
申请日：1989-12-12
Applicant: TORAY INDUSTRIES
Inventor： INOE SHUNEI , OKAMOTO MASARU , ICHIKAWA YASUNORI
IPC: C08L67/00 , C08L67/02 , C08L67/03 , C08L101/00 , C08L101/04
-
公开(公告)号：JPH0812862A
公开(公告)日：1996-01-16
申请号：JP479295
申请日：1995-01-17
Applicant: TORAY INDUSTRIES
Inventor： OKAMOTO MASARU
Abstract: PURPOSE:To obtain the subject composition comprising an aromatic polyester comprising specific units and forming an anisotropic melt phase and an olefinic polymer, excellent in flowability, heat resistance and impact resistance, and reduced in the anisotropy. CONSTITUTION:This composition comprises (A) 100 pts.wt. of an aromatic polyester comprising units of formulas I-IV or units of formulas I-V (X is group of formula VI or VII; Y is group of formula VII, VIII, etc.; but the carbonyl groups of the dicarboxylic acid component in the group of formula IV have mutually meta- and/or para-relations, and the units II+III and the units IV+V are equimolar each other), and (B) 0.1-60 pts.wt. of an olefinic polymer (preferably ethylene-glycidyl methacrylate copolymer). The component A is preferably obtained from p-hydroxybenzoic acid giving the unit of formula I, 4,4'- dihydroxybiphenyl giving the unit of formula II, ethylene glycol giving the unit of formula III, and terephthalic acid and/or isophthalic acid giving the unit of formula IV.
-
公开(公告)号：JPH04318058A
公开(公告)日：1992-11-09
申请号：JP8534791
申请日：1991-04-17
Applicant: TORAY INDUSTRIES
Inventor： INOUE SHUNEI , OKAMOTO MASARU , KITAJIMA NORIO
Abstract: PURPOSE:To obtain a liquid crystal polyester resin composition useful for electric and electronic parts, etc., having excellent heat resistance and hydrolysis resistance by blending a liquid crystal polyester to form an anisotropic melt phase with a phosphine compound of a specific structure. CONSTITUTION:(A) 100 pts.wt. liquid crystal polyester to form an anisotropic melt phase, preferably a liquid crystal polyester comprising structural units shown by formula I, formula II, formula III and formula IV (R1 is one or more groups selected from groups shown by formula V, formula VI, etc.; R2 is group selected from groups shown by formula VII, formula VIII, etc.) in molar ratios of formula I + formula II/formula I + formula II + formula III of 60-95mol%, formula III/formula I + formula II + formula III of 40-5mol%, molar ratio of formula I/formula III of 75/25 to 95/5 and formula VI/formula II + formula III of equimolar ratio is blended with (B) 0.001-5 pts.wt., 2,2'-methylenebis(4,6-di-t- butylphenyl)octyl phosphite shown by formula IX, preferably
-
公开(公告)号：JPH04292651A
公开(公告)日：1992-10-16
申请号：JP5733191
申请日：1991-03-20
Applicant: TORAY INDUSTRIES
Inventor： YAMANAKA TORU , OKAMOTO MASARU , INOUE SHUNEI
Abstract: PURPOSE:To provide a liquid crystal polyester resin composition having excellent heat resistance, moldability and mechanical characteristics and especially having improved welded part strength and improved anisotropy of the mechanical characteristics by adding glass fibers having an average fiber diameter of a specific range. CONSTITUTION:A liquid crystalline polyester resin composition obtained by melting and kneading (A) 100 pts.wt. of a liquid crystalline polyester resin comprising structural units of formulas I-IV (R1 is group of formula V, VI, etc.; R2 is group of formula VII, VIII, etc.; X is H, Cl), (the units of formulas I+II) being 60-95% based on (the units of formulas I+II+III), the units of formula III being 40-5mol.% of (the units of formulas I+II+III), the molar ratio of formula I/II being 75/25 to 95/5, and the intrinsic viscosity of the resin being 1-3dl/g, with (B) 5-200 pts.wt. of glass fibers having an average fiber diameter of 3-15mum, with a twin screw extruder at a temperature between the melting point of the component A and the melting point +
-
公开(公告)号：JPH04248898A
公开(公告)日：1992-09-04
申请号：JP740691
申请日：1991-01-25
Applicant: TORAY INDUSTRIES
Inventor： OKAMOTO MASARU , NAKAMURA SEIICHI , INOUE SHUNEI
Abstract: PURPOSE:To obtain the subject composition having excellent heat resistance moldability and mechanical properties and giving a molded article having excellent abrasion resistance, etc., by adding a specific amount of rock wool to a liquid crystal polyester (amide) forming an anisotropic molten phase. CONSTITUTION:The objective composition is produced by compounding (A) 100 pts.wt. of a liquid-phase polyester and/or a liquid-phase polyester amide forming an anisotropic molten phase and composed of the structural units of preferably formula I, formula II and formula IV or formula I, formula II, formula III and formula IV [R1 is group of formula V to XII; R2 is group of formula VII, formula XIII, formula V, formula X or formula XIV (X is H or Cl); the amount of the structural units of formula II + formula III is equimolar to the unit of formula IV] with (B) 2-200 pts.wt. of rock wool fiber.
-
Patent Agency Ranking
公开(公告)号：JPH04103655A
公开(公告)日：1992-04-06
申请号：JP22182790
申请日：1990-08-22
Applicant: TORAY INDUSTRIES
Inventor： OKAMOTO MASARU , KITAJIMA NORIO , INOUE SHUNEI
IPC: C08K3/00 , C08J5/00 , C08K5/3415 , C08L67/00
Abstract: PURPOSE:To obtain a composition suitable for electrical and electronic parts, etc., having high weld strength and small mechanical anisotropy by blending a liquid crystal polyester comprising specific structural units with specific amounts of a filler and an oxazoline compound. CONSTITUTION:(A) 100 pts.wt. anisotropic melt-forming liquid crystal polyester comprising structural units shown by formula I to formula IV (X is group shown by formula V, etc.; Y is group shown by formula VI, etc.), having 75-95mol% structural units I+II based on structural units I+II+III, 25-5mol% structural unit III based on structural units I+II+III and a molar ratio of structural unit I/II of 75/25 to 95/5 is blended with (B) 1-200 pts.wt. filler (e.g. glass fibers) and (C) 0.01-20 pts.wt., preferably 0.1-10 pts.wt. compound (e.g. 1,3-phenylene-2- oxazoline) shown by formula VII (Z is group shown by formula VI).
-
公开(公告)号：JPH0481451A
公开(公告)日：1992-03-16
申请号：JP19653790
申请日：1990-07-25
Applicant: TORAY INDUSTRIES
Inventor： INOUE SHUNEI , OKAMOTO MASARU , ICHIKAWA YASUNORI
Abstract: PURPOSE:To obtain the subject composition having excellent heat-resistance, moldability and fluidity, giving a molded article having high mechanical strength and small mechanical anisotropy and suitable for electrical and electronic parts, etc., by compounding a liquid crystal polyester with a specific amount of a flaky or granular filler having a specific free water percentage. CONSTITUTION:The objective composition is produced by compounding (A) 100 pts. wt. of a liquid crystal polyester containing ethylenedioxy unit as essential component and having a melting point of 280-350 deg.C and a melt viscosity of 10-15,000 poise and (B) 1-200 pts.wt. (preferably 20-150 pts.wt.) of a flaky or granular filler (e.g. calcium silicate and calcium phosphate) having a free water percentage of >0.l5% (preferably >=0.2%) after drying the filler to a free water percentage of
-
公开(公告)号：JPH03205449A
公开(公告)日：1991-09-06
申请号：JP85590
申请日：1990-01-05
Applicant: TORAY INDUSTRIES
Inventor： INOUE SHUNEI , OKAMOTO MASARU , ICHIKAWA YASUNORI
Abstract: PURPOSE:To obtain the title compsn. giving a molded article excellent in the flame retardance, heat resistance, mechanical properties, and appearance by melt mixing a liq. crystal polyester, a high-molecular flame retardant, and a filler in a specified ratio under specific conditions. CONSTITUTION:In producing the title compsn. comprising 100 pts.wt. liq. crystal polyester (e.g. a compd. of the formula wherein k/l/m/n=75/10/15/25), 0.2-30 pts.wt. high-molecular weight flame retardant (e.g. a brominated polystyrene), and 5-200 pts.wt. filler (e.g. a glass fiber), the polyester is melt mixed first with the retardant first and then with the filler, or vice versa.
-
公开(公告)号：JPH0353323B2
公开(公告)日：1991-08-14
申请号：JP18971181
申请日：1981-11-26
Applicant: TORAY INDUSTRIES
Inventor： INOE SHUNEI , OKAMOTO MASARU , YANAGI MASAKATA
-
公开(公告)号：JPH032261A
公开(公告)日：1991-01-08
申请号：JP13622489
申请日：1989-05-31
Applicant: TORAY INDUSTRIES
Inventor： OKAMOTO MASARU , ICHIKAWA YASUNORI , INOUE SHUNEI
Abstract: PURPOSE:To provide a liquid crystal polyester resin composition having excellent hydrolysis resistance and heat cycle resistance by adding an organic epoxy compound and a carbodiimide compound to a liquid crystal polyester comprising specific structural units. CONSTITUTION:A liquid crystal polyester resin composition comprises (A) 100 pts.wt. of an anisotropic melt phase-forming liquid crystal polyester having a thermal deformation temperature of >=150 deg.C and comprising structural units of formulas I, II and III [R1 is a group of formula IV, V, VI, etc.; R2, R3 are a group of formula IV, V, VII (X is H or Cl), etc.], the sum of the groups of formulas I and II being 75-95mol%, the amount of the group of formula III being 25-5mol% based on the total amount of the composition and the molar ratio of the group of formula I to the group of formula II being 75/25-95/5, (B) 0.005-10 pts.wt. of an organic epoxy compound, preferably a compound of formula VIII (Ar is 6-20C aromatic group or alicyclic group; n is 0-20), (C) 0.005-10 pts.wt. of a carbodiimide compound and preferably further (D) 0-200 pts.wt. of a filler.
-
-
-
-
-
-
-
-
-
Search Results
173
records
(took 0.028 seconds)
