公开(公告)号：JPH04311759A

公开(公告)日：1992-11-04

申请号：JP7663291

申请日：1991-04-10

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  KITAJIMA NORIO ,  INOUE SHUNEI

IPC: C08K3/00 ,  C08K5/03 ,  C08L67/00 ,  C08L79/08

Abstract: PURPOSE:To obtain a flame-retardant heat-resistance resin composition useful for electric and electronic parts, etc., excellent in flame retardance, mechanical characteristics and retention stability of molding, etc., by blending a copolyester of specific structure, showing melt crystallizability with a polyether imide. CONSTITUTION:A flame-retardant heat-resistance resin composition comprising (A) 1-99wt.% copolyester comprising structural units shown by formula I to formula IV (R1 is one or more groups selected from groups shown by formula V, formula VI, etc.; R2 is one or more groups selected from groups shown by formula VII, formula VIII, etc.; X is H or Cl; group shown by formula II + group shown by formula III are in equimolar with group shown by formula IV), a molar ratio of groups shown by formula I + formula II/groups shown by formula I + formula II + formula III of 80-95mol%, a molar ratio of the group shown by formula III/groups shown by formula I + formula II + formula III of 20-5mol%, a molar ratio of group shown by formula I/group shown by formula II of 78/22-93/7, 1-3dl/g logarithmic viscosity and a melting point (Tm) preferably satisfying formula IX (x is mol % of group shown by formula III to groups shown by formula I + formula II + formula III, showing melt crystallizability and (B) 99-1wt.% polyether imide, preferably further a filler and an organic bromine compound.

公开(公告)号：JPH03243648A

公开(公告)日：1991-10-30

申请号：JP4028090

申请日：1990-02-20

Applicant: TORAY INDUSTRIES

Inventor： UENO NAGATAKE ,  YAMANAKA TORU ,  INOUE SHUNEI

IPC: C08K7/14 ,  C08L67/00

Abstract: PURPOSE:To obtain a reinforced resin composition having excellent heat resistance, mechanical characteristics and moldability by blending a specific liquid crystal polyester resin with specific amounts of glass fibers having different average fiber diameters. CONSTITUTION:(A) 100pts.wt. liquid crytal polyester resin shown by formula I to formula IV (R1 is group shown by formula V, formula VI, etc.; R2 is formu la V, formula VI, formula VII, etc.) moldable in a molten state is blended with (B) 5-200 pts.wt., preferably 10-100 pts.wt. of B1: glass fibers having 3-10mum average fiber diameter and B2: glass fibers having 10-20mum average fiber diame ter in the weight ratio of B1/B2=1/9-9/1, preferably 3/7-7/3 and optionally (C) 0.2-30pts.wt., preferably 1-20 pts. wt. organic flame-retardant [e.g. ethylenebis-(tetrabromophthalimide)].

公开(公告)号：JPH03183016A

公开(公告)日：1991-08-09

申请号：JP32337889

申请日：1989-12-12

Applicant: TORAY INDUSTRIES

Inventor： ICHIKAWA YASUNORI ,  INOUE SHUNEI ,  YAMANAKA TORU

IPC: G11B5/82 ,  C08L67/02 ,  G11B5/73 ,  G11B5/733 ,  G11B7/24 ,  G11B7/253

Abstract: PURPOSE:To obtain the disk substrate having excellent formability, dimensional accuracy and mechanical characteristics by forming the above substrate of liquid-crystalline polyester which consists of respectively specified four constitutional units, is specified in the molar ratio between the respective constitutional units and can be melt-molded. CONSTITUTION:The liquid-crystalline polyester disk substrate consists of the liquid-crystalline polyester compsn. formed by incorporating

公开(公告)号：JPH03148683A

公开(公告)日：1991-06-25

申请号：JP28820489

申请日：1989-11-06

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  INOUE SHUNEI ,  OKAMOTO MASARU

IPC: G03G15/20 ,  B65H29/54

Abstract: PURPOSE:To improve heat resistance, the toughness of a tip and the adhesiveness to fluoroplastic coating compds. by molding liquid crystal polyester which consists of specified 4 pieces of constitutional units and is specified in the molar ratios of the respective constitutional units. CONSTITUTION:The paper separating pawl for copying machines is obtd. by molding the liquid crystal polyester which consists of the constitutional units respectively expressed by formulas I, II, III, and IV and in which the constitutional unit (I+II) is 75 to 95mol% of (I+II+III), the constitutional unit (III) is 25 to 5mol% of (I+II+III) and the molar ratio of the constitutional units (I)/(II) is 75/25 to 95/5. In the formula II, R1 denotes 1 kinds of the groups selected from formula V; R2 denotes >=1 kinds group selected from the formula VI. In the formula VI, X denotes a hydrogen atom or chlorine atom. The heat resistance, the toughness of the tip and the adhesiveness to fluoroplastic coating compds. are improved in this way.

公开(公告)号：JPH0397724A

公开(公告)日：1991-04-23

申请号：JP23497189

申请日：1989-09-11

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  INOUE SHUNEI

IPC: C08G63/692 ,  C08G63/60

Abstract: PURPOSE:To obtain the subject polymer having excellent flameretardancy, mechanical properties, appearance of molded article, etc., and suitable as an engineering plastics without using a halogen-containing flame-retardant by copolymerizing specific amounts of plural kinds of aromatic dicarboxylic acids. CONSTITUTION:The objective polymer is produced by reacting (A) an aromatic dicarboxylic acid such as terephthalic acid with (B) ethylene glycol and (C) an organic phosphorus-containing monomer expressed by formula l (R1 is 1-6C alkyl, etc.; R2 is 1-15C alkylene, etc.) to obtain a copolymer, adding (D) p- hydroxybenzoic acid, (E) an aromatic dihydroxy compound such as hydroquinone, (F) acetic anhydride and the component A to the copolymer and reacting the components with each other. The objective polymer contains the units of formulas II, III (R3 is group of formula IV, etc.), IV, V, III (R4 is group of formula IV, etc.) and VII wherein the amount of II+III is 40-95mol% of II+III+V and the amount of the unit V is 60-5mol% of II+III+V.

公开(公告)号：JPH0354221A

公开(公告)日：1991-03-08

申请号：JP19192489

申请日：1989-07-24

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  INOUE SHUNEI

IPC: C08G63/688 ,  C08G63/60 ,  C08G63/66

Abstract: PURPOSE:To improve the flame-retardant properties of an optically anisotropic polyester without adversely affecting the balance between mechanical properties and heat resistance by incorporating specific structural units into the polyester. CONSTITUTION:A diacylated product of an arom. dihydroxyl compd., an arom. dicarboxylic acid, and ethylene glycol are reacted to produce a flame-retardant, optically anisotropic polyester which has a melt viscosity [measured with a Koka type Flow Tester at the liq. crystallization-starting temp. plus 40 deg.C and at a shear rate of 1,000(1/sec)] of 10-15,000P and a logarithmic viscosity (measured at 0.1g/dl concn. in 60 deg.C pentafluorophenol) of 0.5-5.0dl/g and comprises structural units selected from the group consisting of structural units of formulas I to VII [wherein R1 is formula VIII, etc.; Y is C(CH3)2 or SO2; n is 0-2; m is 0 or 1; R2 is formula IX or X, etc.; R3 is formula XI, etc.; R4 is formula IX or XII, etc.; X1 to X4 are each H, Cl, or Br, and at least one of them is not H; and (formulas III+IV+V) and (formulas VI+VII) are substantially equimolar to each other]. In these formulas, the ratio of (formulas I+II+III+IV +V) is 40-5mol%; and the molar ratio of (formulas I+II) to (formulas III+IV) is (75:25)-(95:5); and formula XIII is satisfied.

公开(公告)号：JPH02255831A

公开(公告)日：1990-10-16

申请号：JP28712389

申请日：1989-11-01

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  INOUE SHUNEI

IPC: C08G63/682 ,  C08G63/60

Abstract: PURPOSE:To obtain a copolyester decreased in a content of foreign matter and improved in heat resistance and strength by reacting an aromatic hydroxycarboxylic acid with an aromatic diol and an aromatic dicarboxylic acid or its bis(beta-hydroxyethyl) ester. CONSTITUTION:An aromatic hydroxycarboxylic acid (a) of formula I (e.g. p- hydroxybenzoic acid), an aromatic diol (b) of formula II (wherein X is a group of formula III or IV or the like), e.g. 4,4'-biphenol, an aromatic dicarboxylic acid (c) of formula V (wherein Y is a group of formula III or VI or the like; and W is H or Cl), e.g. terephthalic acid, and a bis(beta-hydroxyethyl) ester (d) of an aromatic dicarboxylic acid of formula VII (wherein Z is Y) [e.g. bis(beta- hydroxy)ethyl terephthalate] are reacted together at 100-250 deg.C in the presence of acetic anhydride, and the product is polycondensed under normal pressure and in a vacuum to obtain a copolyester comprising structural units of formulas VIII-XI and having a (VIII+IX)/(VIII+IX+X) ratio of 60-95mol%, an X/(VIII+ IX+X) ratio of 40-5mol% and a VIII/IX molar ratio of (70-95)/(30-5).

公开(公告)号：JP2003155309A

公开(公告)日：2003-05-27

申请号：JP2002253719

申请日：2002-08-30

Applicant: TORAY INDUSTRIES

Inventor： MATSUMOTO HIDEKI ,  TANAKA AKIKO ,  YAMANAKA TORU

IPC: C08F8/48 ,  C08F220/00

Abstract: PROBLEM TO BE SOLVED: To provide a heat-resistant copolymer having high colorless transparency and molding processability (fluidity), and to provide a method for producing the copolymer. SOLUTION: This heat-resistant copolymer is a copolymer (A) containing >=5 wt.% of a lactone ring structural unit of general formula (1) (wherein, R is a group selected from H, methyl and ethyl) and having a glass transition temperature of >=120 deg.C. The method for producing the copolymer comprises heat-treating a copolymer (B) containing both methacrylic ester component unit and carboxylic acid unsaturated ester component unit at 180-300 deg.C to form >=5 wt.% of the lactone ring structural unit of general formula (1) and effect conversion to the objective copolymer (A).

公开(公告)号：JP2002356600A

公开(公告)日：2002-12-13

申请号：JP2002088863

申请日：2002-03-27

Applicant: TORAY INDUSTRIES

Inventor： KOMORI KENJI ,  MATSUMOTO HIDEKI ,  YAMANAKA TORU

IPC: C08J5/00 ,  C08K3/00 ,  C08K5/00 ,  C08K5/521 ,  C08L25/04 ,  C08L51/04 ,  C08L61/06 ,  C08L63/04 ,  C08L69/00 ,  C08L71/10 ,  C08L101/00

Abstract: PROBLEM TO BE SOLVED: To provide a flame-retardant resin composition having excellent flame retardance, melt stability and fluidity without affecting inherent mechanical characteristics (impact resistance and thermal resistance) of a thermoplastic resin. SOLUTION: This flame-retardant resin composition comprises (D) 100 pts.wt. of the thermoplastic resin composition comprising (A1) 1 to 98 wt.% of a graft (co)polymer obtained by graft polymerizing a monomer mixture containing an aromatic vinyl monomer to a rubber, and (A2) 98 to 1 wt.% of a vinyl (co)polymer obtained by polymerizing an aromatic vinyl monomer or monomer mixture, (B) 1 to 98 wt.% of a polycarbonate resin, (C) 0 to 97 wt.% of a thermoplastic resin (provided that the total of (A1), (A2), (B) and (C) is 100 wt.%), (E) 1 to 30 pts.wt. of a phosphorus flame retardant, (F) 0.001 to 5 pts.wt. of at least a compound selected from inorganic acids, organic acids and organic acid anhydrides, and (G) 0.1 to 20 pts.wt. of a phenolic resin and/or phenoxy- based resin.

公开(公告)号：JP2002201330A

公开(公告)日：2002-07-19

申请号：JP2001333977

申请日：2001-10-31

Applicant: TORAY INDUSTRIES

Inventor： TAMAI AKIYOSHI ,  KOYAMA MASAFUMI ,  YAMANAKA TORU

IPC: C08J5/00 ,  C08K5/521 ,  C08L33/06 ,  C08L51/04

Abstract: PROBLEM TO BE SOLVED: To obtain a flame-retardant resin composition having a high level of flame retardance without using a halogen organic compound in a rubber- reinforced styrene resin and simultaneously having excellent light resistance and further excellent transparency without deteriorating excellent mechanical characteristics essential to the rubber-reinforced styrene resin. SOLUTION: This flame-retardant resin composition is characterized in that a modified phenolic resin (B) in an amount of 0.1-10 pts.wt. based on 100 pts.wt. of the rubber-reinforced styrene resin (A) and a phosphorus flame retardant (C) in an amount of 1-30 pts.wt. based on 100 pts.wt. of the rubber-reinforced styrene resin (A) are contained and the total light transmittance measured at 23 deg.C is >=60%. The molded product comprises the flame-retardant resin composition.