公开(公告)号：JPH03179051A

公开(公告)日：1991-08-05

申请号：JP12785490

申请日：1990-05-16

Applicant: TORAY INDUSTRIES

Inventor： OKAMOTO MASARU ,  ICHIKAWA YASUNORI ,  INOUE SHUNEI ,  YAMANAKA TORU

IPC: C08K3/22 ,  C08K5/02 ,  C08K5/15 ,  C08K5/1515 ,  C08L23/26 ,  C08L59/00 ,  C08L67/00 ,  C08L69/00 ,  C08L71/12 ,  C08L77/00 ,  C08L81/00 ,  C08L81/02 ,  C08L81/06

Abstract: PURPOSE:To improve the heat resistance, flame retardance, appearance after molding, and electrical properties by compounding a specific resin compsn. with an org. bromine compd., an antimony compd., an epoxy compd., and a filler. CONSTITUTION:A resin compsn. is obtd. by compounding 1-10wt.% thermotropic liq. crystal polyester having a deflection temp. under load of 150-280 deg.C and comprising at least one unit selected from the group consisting of units of formulas I, II, and III, and IV or V, [wherein X is formula VI to X; carbonyl groups in formula V are attached to p- or m-position to each other and 60% or higher are at p-position; and the molar amt. of the unit of formula V is substantially equal to that of the sum of the units of formulas II, III, and IV] with 99-90wt.% thermoplastic resin selected from the group consisting of a polyamide, polyoxymethylene, polycarbonate, etc. Then, 100 pts.wt. resulting compsn. is compounded with 0.5-50 pts.wt. org. bromine compd., 0-30 pts.wt. antimony compd., 0.01-20 pts.wt. epoxy compd., and 0-200 pts.wt. filler to give the title compsn.

公开(公告)号：JPH03137154A

公开(公告)日：1991-06-11

申请号：JP27422989

申请日：1989-10-20

Applicant: TORAY INDUSTRIES

Inventor： INOUE SHUNEI ,  OKAMOTO MASARU ,  YAMANAKA TORU

IPC: C08K3/00 ,  C08G63/60 ,  C08K5/49 ,  C08L67/00

Abstract: PURPOSE:To obtain the subject composition capable of forming a thin-walled molded article having excellent flame-retardancy and good heat-resistance, mechanical properties and appearance by compounding an organic phosphorus compound to a specific liquid crystal polyester. CONSTITUTION:The objective composition can be produced by compounding (A) 100 pts. wt. of a liquid crystal polyester composed of the structural units of formula I to formula IV [R1 is group of formula V to formula VIII, etc.; R2 is group of formula V to formula VII or formula IX (X is H or C1)] wherein the ratio of the structural units [I+II] to the units [I+II+III] is 77-95 mol%, the ratio of the unit III to the units [I+II+III] is 23-5 mol%, the molar ratio (I/II) is 75/25 to 95/5 and the amount of the structural unit IV is essentially equimolar to the units [II+III] with (B) 0.2-30 pts. wt. (preferably 0.5-15 pts. wt.) of an organic phosphorus compound and (C)

公开(公告)号：JPH0395255A

公开(公告)日：1991-04-19

申请号：JP23261489

申请日：1989-09-07

Applicant: TORAY INDUSTRIES

Inventor： OKAMOTO MASARU ,  ICHIKAWA YASUNORI ,  INOUE SHUNEI ,  YAMANAKA TORU

IPC: C08K3/00 ,  C08K3/22 ,  C08K5/02 ,  C08L59/00 ,  C08L67/00 ,  C08L69/00 ,  C08L71/08 ,  C08L71/10 ,  C08L77/00 ,  C08L81/00 ,  C08L81/02 ,  C08L81/06

Abstract: PURPOSE:To obtain a flame-retardant resin composition excellent in mechanical properties, appearance of the molded product and heat resistance by mixing a composition comprising a specific thermotropic liquid crystal polyester and a thermoplastic resin with a filler, an organoboron compound and an antimony compound. CONSTITUTION:The title flame-retardant resin composition is obtained by mixing 100 pts.wt. composition, which comprises 1-99wt.% thermotropic liquid crystal polyester having structural units of formulae I, II and V and a structural unit selected from the group consisting of formulae III and IV (wherein X is 1,4- phenylene, t-butyl-1,4-phenylene, biphenylene or 2,6-naphthylene; CO groups of formula V are in the p- and m-positions relative to each other and the p- position amount to 65% or more) with the amount of structural unit V being equal to the amount of II+III+IV by mole and has a deflection temperature under load of 150-280 deg.C and 99-1wt.% thermoplastic resin such as polyamides, polyoxymethylenes, polycarbonates, polyallylene sulfides, polysulfones, polyethers, or ether ketones, with 0-200 pts. filler, 5-50 pts. organoboron compound, and 0-30 pts. antimony compound.

公开(公告)号：JPH0314863A

公开(公告)日：1991-01-23

申请号：JP7431290

申请日：1990-03-23

Applicant: TORAY INDUSTRIES

Inventor： OKAMOTO MASARU ,  ICHIKAWA YASUNORI ,  INOUE SHUNEI

IPC: C08L63/00 ,  C08G59/00 ,  C08K5/15 ,  C08K5/1515 ,  C08L67/00

Abstract: PURPOSE:To prepare a thermotropic liquid crystal polyester compsn. excellent in the heat resistance represented by the hydrolysis resistance and long-term aging properties by compounding an org. epoxy compd. into a thermotropic liquid crystal polyester comprising specific structural units. CONSTITUTION:0.01-10 pts.wt. org. epoxy compd. is compounded into 100 pts.wt. thermotropic liquid crystal polyester which forms an anisotropic molten phase having a heat distortion temp. of 150 deg.C or higher and comprises structural units of formulas I to IV in molar ratios of (I+II)/(I+II+III), III/(I+II+III), and I/II of 0.750.95, 0.25-0.05, and 75/25-95/5 respectively, wherein R1 is formula V; and R2 is formula VI. The org. epoxy compd. is not particularly limited.

公开(公告)号：JPH02206644A

公开(公告)日：1990-08-16

申请号：JP2687789

申请日：1989-02-06

Applicant: TORAY INDUSTRIES

Inventor： OKAMOTO MASARU ,  INOUE SHUNEI

IPC: C08K3/00 ,  C08J3/22 ,  C08L67/00 ,  C08L67/03 ,  C08L77/12

Abstract: PURPOSE:To obtain thermoplastic resin composition having excellent mechanical properties and surface gloss by compounding specific liquid-crystalline polyester with specific amount of previously fiber-reinforced thermoplastic resin. CONSTITUTION:In following composition, B is previously melt-blended with C and then, melt-blended with A. The composition is composed of 100 pts.wt. resin composition comprising (A) 50-99wt.% liquid-crystalline polymer containing preferably structural formula expressed by formula III-formula V selected from structural unit expressed by formula I and formula II (X is bifunctional aromatic residue; Y and Z are bifunctional aromatic, aliphatic or alicyclic residue; R is O or NH) and having 150-280 deg.C heat distortion temperature and (B) 50-1wt.% thermoplastic polymer (e.g. polyamide or polycarbonate) and 1-200 pts.wt., preferably 5-150 pts.wt. (C) filler (e.g. glass fiber).

公开(公告)号：JPH02180924A

公开(公告)日：1990-07-13

申请号：JP77689

申请日：1989-01-05

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  OKAMOTO MASARU

IPC: C08G63/682 ,  C08G63/60

Abstract: PURPOSE:To obtain a liquid crystal polyester excellent in mechanical properties and capable of giving a molding lowly anisotropic in mechanical properties and resisting to fibrillation by acetylating a specified aromatic carboxylic acid, a specified bisphenol, a specified aromatic dicarboxylic acid and a specified polyester obtained from ethylene glycol and polymerizing the reaction mixture through the elimination of acetic acid. CONSTITUTION:A liquid crystal polyester is obtained by treating p- hydroxybenzoic acid (A), an aromatic hydroxy compound (B) selected from among 8 members including 4,4'-dihydroxybiphenyl, an aromatic dicarboxylic acid (C) selected from among 5 members including terephthalic acid and a polyester (D) obtained from ethylene glycol and component C with acetic anhydride to acetylate their hydroxyl groups, and the obtained reaction mixture is polymerized through the elimination of acetic acid. This polyester comprises structural units (I) (of the formula), II (-(OR1O)-), III (-(OH2CH2O-) and IV (-(CR2-CO)-), wherein I+II is 30-77mol% based on I+II+III, III is 70-23mol% based on I+II+III, the molar ratio I/II is 75/25-95/5, and IV is equimolar to II+III.

公开(公告)号：JPH01292058A

公开(公告)日：1989-11-24

申请号：JP12133388

申请日：1988-05-18

Applicant: TORAY INDUSTRIES

Inventor： KAYABA KEIJI ,  OKAMOTO MASARU ,  INOUE SHUNEI

IPC: C08L67/00 ,  C08L81/02 ,  C08L81/04

Abstract: PURPOSE:To obtain a thermoplastic resin composition having excellent heat resistance, moldability, fluidity, hydrolysis resistance and mechanical properties, by blending a liquid crystal polyester having a specific structure with polyphenylene sulfide. CONSTITUTION:A composition comprising (A) 1-99wt.% liquid crystal polyester which consists of structural units shown by formula I-formula III (X is group shown by formula IV, formula V, CH2CH2, etc., CO groups of the formula II and formula III are mutually in para- or meta-position and >=50mol% of the CO groups are in para-position), has 190-280 deg.C heat distortion temperature, =10,000 poise melt viscosity and forms anisotropic melt phase, (B) 99-1wt.% polyphenyl sulfide and preferably further containing 0.1-70 pts.wt. based on 100 pts.wt. total amounts of the components A and B, 0.1-70 pts.wt. olefinic polymer, 5-400 pts.wt. reinforcing agent (fibrous or granular) and 1-5,000 pts.wt. thermoplastic polyester.

公开(公告)号：JPH01245047A

公开(公告)日：1989-09-29

申请号：JP7298588

申请日：1988-03-25

Applicant: TORAY INDUSTRIES

Inventor： KAYABA KEIJI ,  OKAMOTO MASARU

IPC: C08L67/00 ,  C08K7/04

Abstract: PURPOSE:To obtain a composition, consisting of a specific liquid crystal polyester and glass fibers and excellent in heat resistance, fluidity, dimensional stability and solder heat resistance. CONSTITUTION:A composition obtained by blending 50-20wt.% liquid crystal polyester, consisting of structural units expressed by formulas I-III (X is selected from formulas IV-VIII; carbonyl groups in formulas II and III are mutually p- or m-oriented and >=50mol% thereof are p-oriented) and capable of forming an anisotropic molten phase having >=190 deg.C heat distortion temperature,

公开(公告)号：JPH01197555A

公开(公告)日：1989-08-09

申请号：JP2017688

申请日：1988-01-29

Applicant: TORAY INDUSTRIES

Inventor： KAYABA KEIJI ,  OKAMOTO MASARU

IPC: C08L67/00 ,  C08G63/60 ,  C08K7/00

Abstract: PURPOSE:To obtain a resin composition excellent in heat resistance, moldability, flow and mechanical strengths, by mixing a liquid crystal polyester comprising specified structural units and being specified in a heat distortion temperature, an initial liquid crystal temperature and a melt viscosity with a filler. CONSTITUTION:The title liquid crystal polyester resin composition comprises 99-20wt.% liquid crystal polyester (A) comprising structural units of formulas I-III, having a heat distortion temperature of 190-280 deg.C, an initial liquid crystal temperature

公开(公告)号：JPH01190751A

公开(公告)日：1989-07-31

申请号：JP1400788

申请日：1988-01-25

Applicant: TORAY INDUSTRIES

Inventor： OKAMOTO MASARU ,  NAKAMURA SEIICHI

IPC: C08L67/00 ,  C08L23/26 ,  C08L67/02

Abstract: PURPOSE:To obtain the title composition giving a molding having excellent in impact resistance, flow, heat resistance and surface appearance, by adding an olefin copolymer to a resin composition comprising a specified thermoplastic polyester and a specified aromatic polyester. CONSTITUTION:The title composition is prepared by adding 0.5-50 pts.wt. olefin copolymer (C) to 100 pts.wt. resin composition comprising 5-95 pts.wt. thermoplastic polyester (A) comprising a dicarboxylic acid component based on terephthalic acid and a diol component based on an at least one alkylene glycol component selected from among ethylene glycol, 1,4-butanediol and 1,6- hexamethylene glycol and 95-5 pts.wt. aromatic polyester (B) which forms an anisotropic molten phase, comprising at least one kind of a structural formula selected from among formulas I-III. In the formulas, X is formula IV or V, Y is formula VI, VII, VIII or the like, Z is formula IX, X or the like, the carbonyl groups of the dicarboxylic acid component of formula II are meta and/or para to each other.