公开(公告)号：JPH07100904A

公开(公告)日：1995-04-18

申请号：JP24721193

申请日：1993-10-01

Applicant: TORAY INDUSTRIES

Inventor： OOME HIROKAZU ,  TABATA KENICHI ,  KUMAKI JIRO ,  SHIMIZU YUKIO

IPC: B29C49/00 ,  C08K7/02 ,  C08L67/00 ,  C08L67/02

Abstract: PURPOSE:To enhance moldability, heat resistance and impact resistance by mixing a reinforcing filler with a cyclohexylenedimethylene terephthalate type polyester resin with specific intrinsic viscosity containing a repeating unit wherein a terephthalic acid residue and a 1,4-cyclohexanedimethanol residue are bonded. CONSTITUTION:1-40wt.% of a reinforcing.filler is compounded with a cyclohexylenedimethylene terephthalate type polyester resin with intrinsic viscosity of 0.5-2.0 containing 80mol% or more of a repeating unit wherein a terephthalic acid residue and 1,4-cyclohexanedimethanol residue are bonded to prepare a resin compsn. which is, in turn, subjected to blow molding. The cis/trans ratio (mol ratio) of the 1,4-cyclohexane ring PCT type polyester is pref. 60/40-10/90. The reinforcing filler is a fibrous, granular or flaky filler and a glass fiber is especially pref.

公开(公告)号：JPH0797508A

公开(公告)日：1995-04-11

申请号：JP24115593

申请日：1993-09-28

Applicant: TORAY INDUSTRIES

Inventor： TABATA KENICHI ,  OOME HIROKAZU ,  KUMAKI JIRO

IPC: C08K3/00 ,  C08K5/524 ,  C08K5/53 ,  C08K7/02 ,  C08K7/14 ,  C08L67/00 ,  C08L67/02 ,  C08L81/02

Abstract: PURPOSE:To obtain a resin composition useful for lamp reflector for of automobiles, etc., having improved vividness, excellent in heat resistance and mechanical characteristics, having low specific gravity by blending a polyester, etc., with inorganic reinforcing materials having specific shapes. CONSTITUTION:This composition contains (A) 20-50 pts.wt. of a poly(cyclohexylenedimethylene terephthalate)-based polyester, (B) 0-25 pts.wt. of a poly(phenylene sulfide) (e.g. a compound of the formula) (with the proviso that an amount of the component added does not exceed that of the component A), (C) 0-1 pts.wt. of a glass fiber, (D) 10-35 pts.wt. of a fibrous reinforcing material other than the component C and (E) 25-69 pts.wt. of a particulate reinforcing material, based on 100 pts.wt. of total composition. Furthermore, the component D has >=4 aspect ratio and 0.1-10mum diameter and >=50% of particles of the component E has

公开(公告)号：JPH06128470A

公开(公告)日：1994-05-10

申请号：JP28196492

申请日：1992-10-20

Applicant: TORAY INDUSTRIES

Inventor： OKITA KIYOMI ,  KUMAKI JIRO ,  KUWATA JOSHIN

IPC: C08L25/12 ,  C08K5/15 ,  C08K5/1515 ,  C08L67/00 ,  C08L67/02 ,  H01R13/46

Abstract: PURPOSE:To provide a composition excellent in mechanical characteristics, heat resistance and flex resistance, having a lower specific gravity than those of conventional compositions, and suitable for electronic parts, etc., by adding a specific vinylic polymer and a specified glycidyl group-containing copolymer to a thermoplastic polyester. CONSTITUTION:The composition comprises (A) 100 pts.wt. of a thermoplastic polyester (preferably polybutylene terephthalate, polyethylene terephthalate), (B) 5-100 pts.wt. of a vinylic copolymer produced by copolymerizing a monomer mixture containing (i) an aromatic vinyl monomer (preferably styrene or alpha- methylstyrene) and (ii) a vinyl cyanide monomer (preferably acrylonitrile), and (C) 1-50 pts.wt. of a glycidyl group-containing copolymer comprising (iii) alpha-olefin (preferably ethylene) and (iv) an alpha,beta-unsaturated glycidyl ester (preferably diglycidyl methacrylate), and has a molded product specific gravity of 1.15-1.25.

公开(公告)号：JPH0616911A

公开(公告)日：1994-01-25

申请号：JP17320492

申请日：1992-06-30

Applicant: TORAY INDUSTRIES ,  EASTMAN KODAK CO

Inventor： KUMAKI JIRO ,  OKITA KIYOMI ,  OTAWA HIDETOSHI

IPC: C08K5/06 ,  C08K5/1515 ,  C08K5/524 ,  C08K5/5333 ,  C08L67/00 ,  C08L67/02 ,  C08K5/15

公开(公告)号：JPH04370143A

公开(公告)日：1992-12-22

申请号：JP14366991

申请日：1991-06-15

Applicant: TORAY INDUSTRIES

Inventor： KUMAKI JIRO ,  HAYASHI RYOJI ,  FUKUMOTO TADAO

IPC: C08G63/688 ,  C08G63/78 ,  C08K3/00 ,  C08K5/42 ,  C08K7/04 ,  C08L67/00 ,  C08L67/02

Abstract: PURPOSE:To provide a polyester resin composition having high crystallization rate and excellent moldability in a low-temperature mold, giving a molded article having excellent mechanical properties, electrical properties and weather resistance and suitable for electrical and electronic parts, automobile parts, etc. CONSTITUTION:The objective composition is produced by compounding (A) 100 pts.wt. of a polyester resin produced by adding 0.01-20 pts.wt. of an organic sulfonic acid salt containing phenolic hydroxyl group and expressed by formula (Ar is 6-30C aromatic ring; M is alkali metal or alkaline-earth metal; m is 1 or 2; n is 1-5) to 100 pts.wt. of a thermoplastic polyester composed of a 8-20C aromatic dicarboxylic acid or its lower alkyl ester and a 2-20C diol before the completion of the polycondensation reaction of the polyester, (B),5-140 pts.wt. of a reinforcing or filling material and (C) 0.1-10 pts.wt. of a polyether ester amide consisting of (C1) an aminocarboxylic acid, a lactam or a salt of a diamine and a dicarboxylic acid, (C2) a poly(alkylene oxide) glycol having a number-average molecular weight of 200-600 and (C3) a dicarboxylic acid.

公开(公告)号：JPH04366162A

公开(公告)日：1992-12-18

申请号：JP14361491

申请日：1991-06-14

Applicant: TORAY INDUSTRIES

Inventor： KUMAKI JIRO ,  HAYASHI RYOJI ,  KUWATA JOSHIN

IPC: C08G63/688 ,  C08K3/00 ,  C08K5/42 ,  C08L67/00 ,  C08L67/02

Abstract: PURPOSE:To obtain a polyester composition having a high crystallization rate and improved moldability, mechanical properties, electrical properties and weather resistance by mixing a specified polyester resin with a reinforcing or filling substance and an aliphatic polyether ester. CONSTITUTION:A polyester resin is obtained by polycondensing (a lower alkyl ester of) an 8-20C aromatic dicarboxylic acid with a 2-20C diol in the presence of 0.01-20 pts. wt., per 100 pts.wt. obtained thermoplastic polyester, organic phenolic sulfonate of the formula [wherein Ar is a 6-30 C aromatic ring; M is an alkali (alkaline earth) metal; m is 1 or 2; and n is 1-5]. 100 pts.wt. said resin is mixed with 5-140 pts.wt. reinforcing or filling substance and 0.1-10 pts.wt. aliphatic polyether ester comprising a polyalkylene glycol comprising repeating units derived from a 4-46C aliphatic dibasic acid, repeating units derived from a 2-8C aliphatic glycol and repeating units derived from a 2-4C glycol.

公开(公告)号：JPH02292356A

公开(公告)日：1990-12-03

申请号：JP11390189

申请日：1989-05-06

Applicant: TORAY INDUSTRIES

Inventor： KUMAKI JIRO ,  NAKAMURA SEIICHI ,  YONETANI KIICHI

IPC: C08K5/07 ,  C08L67/00 ,  C08L67/02

Abstract: PURPOSE:To improve crystallization speed, moldability in a mold at low temp., resistance to hydrolysis, mechanical properties of a molded item, etc., by incorporating a specified amt. of a metal salt of a specified benzophenone compd. in a thermoplastic polyester. CONSTITUTION:A thermoplastic polyester resin compsn. is prepd. by incorporating 0.005 to 10 pts.wt. metal salt of a benzophenone compd. (A) of formula I (wherein R1 and R2 are each a 13C or lower hydrocarbon group; M1 and M2 are each an alkali metal, an alkaline earth metal, a metalloid or a transition metal; (a) is 1/(m); (b) is 1/(n); (m) and (n) are each 1 to 3) (e.g. formulas II and III) in 100 pts.wt. thermoplastic polyester (B) (e.g. polybutylene terephthalate). As the obtd. resin compsn. is incorporated with the component A as a crystallization accelerator, little decrease in mol.wt. occurs in molding and the molded item exhibits good mechanical properties and is suitably used as automotive parts, etc.

公开(公告)号：JP2003113290A

公开(公告)日：2003-04-18

申请号：JP2002016245

申请日：2002-01-24

Applicant: TORAY INDUSTRIES

Inventor： KOBAYASHI SADAYUKI ,  KUMAKI JIRO

IPC: C08J5/00 ,  C08L59/00

Abstract: PROBLEM TO BE SOLVED: To provide a polyacetal resin composition having excellent mechanical characteristics and excellent abrasion-resisting/wearing characteristics, and therefore capable of suitably used for sliding members, such as gears, bearings, sliders, and cams, by making use of the characteristics. SOLUTION: This polyacetal resin composition comprises at least two components of resins and contains one or more polyacetal resins, wherein the polyacetal resin composition has a structure in which two phases are interconnected so as to have a structural pitch of 0.01-1 μm between the phases, or has another structure in which two phases are dispersed in such a state that an intergranular distance is 0.01-1 μm.

公开(公告)号：JP2002294049A

公开(公告)日：2002-10-09

申请号：JP2001094518

申请日：2001-03-29

Applicant: TORAY INDUSTRIES

Inventor： ISHII HIROMITSU ,  NAGAO TAKASHI ,  KUMAKI JIRO

IPC: C08J5/00 ,  C08K5/3492 ,  C08K5/521 ,  C08K7/02 ,  C08L63/00 ,  C08L67/02

Abstract: PROBLEM TO BE SOLVED: To obtain both a flame-retardant polybutylene terephthalate having excellent flame retardance, mechanical characteristics, fluidity in injection molding and color tone of molding, hardly causing bleedout, maintaining an excellent appearance of molding, having high reliability by compounding a polybutylene terephthalate resin with a nonhalogen-based flame retardant and a molding. SOLUTION: This flame-retardant butylene terephthalate resin is a composition obtained by compounding (A) 100 pts.wt. of a polybutylene terephthalate resin or 100 pts.wt. of the total of the polybutylene terephthalate resin and a polyethylene terephthalate resin with (B) 1-100 pts.wt. of an epoxy modified styrenic resin, (C) 1-100 pts.wt. of a phosphoric ester and (D) 1-150 pts.wt. of a salt of a triazine-based compound and cyanuric acid or isocyanuric acid and does not contain 25 pts.wt. of a polyphenylene ether and a polyphenylene sulfide.

公开(公告)号：JP2002284868A

公开(公告)日：2002-10-03

申请号：JP2001091089

申请日：2001-03-27

Applicant: TORAY INDUSTRIES

Inventor： OOME HIROKAZU ,  KUMAZAWA SADANORI ,  KUMAKI JIRO

IPC: C08G63/78

Abstract: PROBLEM TO BE SOLVED: To provide a process for the efficient preparation of the poly(butylene terephthalate)(PBT) containing little alien substance with little byproduct of THF. SOLUTION: The process for the preparation of PBT, comprising the esterification of terephthalic acid and 1,4-butan diol and then the polycondensation thereof, is characterized by carrying out the above esterification at two or more steps, the first step of which esterification is carried out continuously in a way that a molar ratio of the diol component to the dicarboxylic acid component is made to be in the range of more than 0.7 to less than 1.1, and the second or more steps of which esterification undergoes a continuous esterification by adding additionally the remained diol component.