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

IPC: C08K9/00 ,  C08L67/00

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：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

IPC: C08G63/78 ,  C08G63/60

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.

公开(公告)号：JPH03275716A

公开(公告)日：1991-12-06

申请号：JP7763590

申请日：1990-03-26

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  INOUE SHUNEI

IPC: C09K19/38 ,  C08G63/60 ,  C08G63/66 ,  C08G63/682 ,  C08G63/78

Abstract: PURPOSE:To obtain the title polymer having high optical anisotropy, heat resistance, rigidity and impact resistance by reacting p-hydroxybenzoic acid with aromatic dihydroxy compound, aromatic diacetoxy compound, aromatic dicarboxylic acid and oligoester, etc. CONSTITUTION:(A) p-Hydroxybenzoic acid is reacted with (B) an aromatic dihydroxy compound such as 4,4'-dihydroxybiphenyl, (C) an aromatic diacetoxy compound such as diacetylated substance of the component B, (D) an aromatic dicarboxylic acid such as terephthalic acid and (E) a compound such as an oligomer of a condensate of the component D and ethylene glycol and acetic anhydride in the molar ratio of the component B/C of (9/1)-(0/10), acetylated and subjected deacetylation polymerization to give the objective polymer having structural units shown by formula I to formula IV (R1 and R2 are bifunctional aromatic groups), 77-95mol% structural units shown by formulas (I+II) based on structural units shown by formulas (I+II+III), 23-5mol% structural unit shown by formula III based on structural units shown by formulas (I+II+III) and a molar ratio of the structural unit shown by formula I/formula II of (75/25) (95/5).

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

IPC: C08K7/14 ,  C08L67/00 ,  C08L67/03

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：JPH03188124A

公开(公告)日：1991-08-16

申请号：JP32777689

申请日：1989-12-18

Applicant: TORAY INDUSTRIES

Inventor： INOUE SHUNEI ,  GOTO NORIAKI ,  TABATA KENICHI

IPC: C09K19/38 ,  C08G63/60 ,  C09K19/42

Abstract: PURPOSE:To prepare an optically anisotropic, wholly arom. polyester which is melt moldable at a relatively low temp. and to prepare a molded article excellent in the mechanical and thermal properties from the polyester by combining specific structural units. CONSTITUTION:A wholly arom. polyester which comprises the essential structural units I, II, III, and IV shown by formulas I, II, III, and IV, respectively, in a molar ratio of I/(I+II+III) of 3/100-30/100; that of II/III of 8/2-3/7; and that of (II+III)/IV of substantially 1/1. The polyester has a melt viscosity [measured at a temp. 20 deg.C higher than the m.p. at a shear rate of 10 (1/sec)] of 1X10 -2X10 P.

公开(公告)号：JPH03183185A

公开(公告)日：1991-08-09

申请号：JP32337989

申请日：1989-12-12

Applicant: TORAY INDUSTRIES

Inventor： ICHIKAWA YASUNORI ,  INOUE SHUNEI ,  YAMANAKA TORU

IPC: C08J5/18 ,  C08G63/60 ,  C08G63/66 ,  C08L67/03 ,  H05K1/03

Abstract: PURPOSE:To offer printed boards excellent in solder heat resistance and in molding workability by using a melt-moldable liquid crystal polyester having a specific structural unit. CONSTITUTION:Used is a melt-moldable liquid crystal polyester comprising structural units I, II, III and IV where structural unit I has a 40-90mol% of [I+II+III] and structural units II/III have mol ratios 9/1-1/9. Preferably the structural unit I is a polyester prepared from p-hydroxy benzoic acid; structural unit II is a structural unit consisting of 4,4'-dihydroxybiphenyl; structural unit III is 2,6-dihydroxynaphthalene; and structural unit IV is terephthalic acid. In the case of loading a liquid crystal polyester with filler, preferable loading is 200wt% or less to the liquid crystal polyester 100wt%, particularly, 15-100wt%.

公开(公告)号：JPH03146544A

公开(公告)日：1991-06-21

申请号：JP28712689

申请日：1989-11-01

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  INOUE SHUNEI

IPC: C08K5/02 ,  B32B15/08 ,  B32B15/09 ,  C08L67/00

Abstract: PURPOSE:To obtain an excellently finished surface having high adhesivity to plated surface without deteriorating the mechanical characteristics of the base resin or contaminating the plating bath by roughening the surface of a molded polyester with an alkaline solution and subjecting to the plating treatment. CONSTITUTION:The molded polyester article to be treated is composed of 100 pts.wt. of a liquid crystal polyester composed of the structural units of formulas I to V (R1 is group of formula V, etc.; R2 is group of formula VI, etc.; X is H or Cl) [the molar ratio of (I+II)/(I+II+III) is 77-95 deg.C, m/(I+II+III) is 23-5% and I/II is 75/25 to 95/5] and 0.5-30 pts.wt. of an organic bromine compound. The surface of the molded article is roughened with an alkaline solution and subjected to plating treatment. The alkali etching is carried out by immersing the article in a 5-50% aqueous solution of NaOH or KOH at 30-95 deg.C for 1-120min.

公开(公告)号：JPH03134021A

公开(公告)日：1991-06-07

申请号：JP27270789

申请日：1989-10-18

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  INOUE SHUNEI

IPC: C08G63/692 ,  C08G63/60 ,  C08G63/66

Abstract: PURPOSE:To obtain the title polyester improved in flame retardancy, mechanical properties and molding appearance without using any halogenous flame retardant by combining five specified kinds of structural units. CONSTITUTION:A product of acylation of hydroxybenzoic acid, a product of diacylation of an aromatic dihydroxy compound and an esterifiable organophosphorus compound which can give structural units of any of formulas I-V (wherein R3, R5 and R7 are each a 1-6 C alkyl, an aryl; R4 and R6 are each a 1-15 C linear or cyclic alkylene residue or an arylene residue; Ar1 and Ar2 are each an alkylene, and may together be combined; and Ar3 is a trivalent aromatic residue) are reacted with an aromatic dicarboxylic acid, and the product is polymerized through the elimination of acetic acid to obtain the title polyester having an inherent viscosity (as measured in pentafluorophenol in a 0.1 g/dl concentration at 60 deg.C) of 0.5-5 dl/g and containing organophosphorus structural units selected from formulas I-V and formulas VI-IX (wherein R1 is formula X, formula XI or the like; R2 is formula X, formula XII or the like; X is H or Cl) in such an amount that formulas VI-VII is 77-95 mol% based on formulas VI-VIII, formula VIII is 23-5 mol% based on formulas VI-VIII, the molar ratio of formula VI to formula VII is 75-95/25-5, and formula I-V is 0.3-45 mol% based on formula VIII.

公开(公告)号：JPH03126718A

公开(公告)日：1991-05-29

申请号：JP26452189

申请日：1989-10-11

Applicant: TORAY INDUSTRIES

Inventor： YAMANAKA TORU ,  UENO NAGATAKE ,  INOUE SHUNEI

IPC: C08G63/682 ,  C08G63/60

Abstract: PURPOSE:To obtain the title polyester useful as an engineering plastic, having excellent mechanical properties, heat resistance and improved fluidity, comprising a specific structural unit which satisfy a specific condition. CONSTITUTION:The objective polyester having a structural unit shown by formula I to formula IV (R is group shown by formula V to formula VII; X is H or Cl), comprising 40-95mol% formula l based on formulas (I+II+III), molar ratio of the formula II/formula III of (95/5)-(5/95) and formula IV substantially equimolar to formulas (II+III) and having 0.5-20.0dl/g logarithmic viscosity at 0.1g/dl concentration dissolved in pentafluorophenol at 60 deg.C.