公开(公告)号：JP2002155195A

公开(公告)日：2002-05-28

申请号：JP2000356804

申请日：2000-11-22

Applicant: TORAY INDUSTRIES

Inventor： TACHIKAWA KOJI ,  KITAJIMA NORIO ,  MAKABE YOSHIKI

IPC: C08J5/04 ,  B29C45/00 ,  C08K5/00 ,  C08L23/06 ,  C08L67/00 ,  C08L77/12 ,  H01R13/46

Abstract: PROBLEM TO BE SOLVED: To provide a resin composition for precision moldings which modifies the failure of moldings due to mold remainders and mold deposits of moldings, is of a high cycle and highly reliable, and hence is excellent in molding stability, and the moldings. SOLUTION: The resin composition for precision moldings comprises (A) 100 pts.wt. of one or more liquid crystalline resin comprising a liquid crystal polyester and/or a liquid crystal polyesteramide, (B) 5-100 pts.wt. of a filler and (C) 0.01-0.8 pts.wt. of a polyethylene resin having a density of 0.94-0.97 g/cm3 and a melt flow rate of 5-15 (g/10 min) as specified in ASTMD1238.

公开(公告)号：JPH11310725A

公开(公告)日：1999-11-09

申请号：JP11970098

申请日：1998-04-28

Applicant: TORAY INDUSTRIES

Inventor： MAKABE YOSHIKI ,  KITAJIMA NORIO ,  UMETSU HIDEYUKI

IPC: C08K3/00 ,  B29K67/00 ,  B29K77/00 ,  B29K507/00 ,  C08K3/02 ,  C08L67/03 ,  C08L77/12 ,  C08L101/12

Abstract: PROBLEM TO BE SOLVED: To provide a process for producing a flame-retardant resin composition useful for electrical and electronic components, OA and AV components, etc., and excellent in flame retardancy, heat resistance, hydrolysis resistance, and hue. SOLUTION: There is provided a process for producing a flame-retardant resin composition containing 100 pts.wt., in total, liquid crystal resin (A) and liquid crystal resin (B) which may be the same as or different from resin A and 0.01-30 pts.wt. red phosphorus, which process comprises: first preparing a highly concentrated liquid crystal resin composition (C) containing 100 pts.wt. resin B and 0.5-100 pts.wt. red phosphorus by melt kneading, and then melt- kneading 100 pts.wt. resin a with 0.5-100 pts.wt. composition (C) to adjust the red phosphorous content to a desired value.

公开(公告)号：JPH07196894A

公开(公告)日：1995-08-01

申请号：JP33823893

申请日：1993-12-28

Applicant: TORAY INDUSTRIES

Inventor： NAKAMURA SEIICHI ,  KITAJIMA NORIO ,  INOUE SHUNEI ,  KURIKI NOBUO

IPC: G02F1/13 ,  C08G63/181 ,  C08G63/199 ,  C08J5/00 ,  C08K3/04 ,  C08L25/00 ,  C08L25/18 ,  C08L67/00 ,  C08L77/00 ,  C08L77/12 ,  C09K19/38 ,  C09K19/54

Abstract: PURPOSE:To obtain a liquid-crystal resin composition which is black, is excellent in heat resistance, flowability, mechanical characteristics and dimensional accuracy and particularly in balanced moldability, and is therefore a material useful as an engineering plastic. CONSTITUTION:The resin composition is obtained by incorporating 0.01-10 pts.wt. carbon black having a pH of 3.5 to 10 into 100 pts.wt. of at least one liquid-crystal resin selected from among liquid-crystal polyesters and/or liquid- crystal polyester-amides that forms an anisotropic melt phase. The objective molded article is made from this composition.

公开(公告)号：JPH04202558A

公开(公告)日：1992-07-23

申请号：JP33972790

申请日：1990-11-30

Applicant: TORAY INDUSTRIES

Inventor： OKAMOTO MASARU ,  KITAJIMA NORIO ,  INOUE SHUNEI

IPC: C09K19/38 ,  C08K3/34 ,  C08K7/16 ,  C08L67/00 ,  C08L67/02 ,  C08L77/00 ,  C08L77/12

Abstract: PURPOSE:To obtain a liquid crystal polymer resin composition having excellent heat-resistance, moldability and mechanical strength and exhibiting small mechanical anisotropy and deformation by compounding a specific amount of specific mica powder to a liquid crystalline polyester (amide). CONSTITUTION:The objective composition is produced by compounding (A) 100 pts.wt. of a liquid crystalline polyester resin and/or liquid crystalline polyester amide resin forming an anisotropic molten phase and composed of the structural units of formula I, formula II and formula IV or the structural units of formula I, formula II, formula III and formula IV [R1 is group of formula V, etc.; R2 is group of formula VI; the structural unit IV is equimolar to the structural units (II+III)] with (B) 1-200 pts.wt. (preferably 5-150 pts.wt.) of mica having a bulk density of 0.18-0.23, an average particle diameter of 10-15mum and a heating loss of

公开(公告)号：JPH0481453A

公开(公告)日：1992-03-16

申请号：JP19653690

申请日：1990-07-25

Applicant: TORAY INDUSTRIES

Inventor： ICHIKAWA YASUNORI ,  OKAMOTO MASARU ,  KITAJIMA NORIO

IPC: C08K3/00 ,  B29D15/00 ,  B29K67/00 ,  C08L67/00 ,  C08L67/02

Abstract: PURPOSE:To obtain the subject resin composition having excellent moldability and heat-resistance and suitable for gear by compounding a specific amount of a filler to a specific liquid crystal polyester. CONSTITUTION:The objective composition is produced by compounding (A) 100 pts.wt. of a liquid crystal polyester moldable by melt-molding and composed of the structural units of formula I, formula II, formula III and formula IV (R1 is group of formula V, formula VI, etc.; R2 is group of formula V, formula VI, formula VII, etc.) wherein the amount of I is 40-90mol% based on I+II+III and the molar ratio of II/III is 9/l to 1/9 and (B) 5-200 pts.wt. (preferably 25-100 pts.wt.) of a filler (e.g. glass fiber).

公开(公告)号：JPH0481452A

公开(公告)日：1992-03-16

申请号：JP19653590

申请日：1990-07-25

Applicant: TORAY INDUSTRIES

Inventor： ICHIKAWA YASUNORI ,  OKAMOTO MASARU ,  KITAJIMA NORIO

IPC: C08K3/00 ,  B29D15/00 ,  B29K67/00 ,  C08J5/00 ,  C08L67/00 ,  C08L67/02

Abstract: PURPOSE:To obtain the subject resin composition having excellent moldability and heat-resistance and suitable for gear for precision part by compounding a specific amount of a filler to a specific liquid crystal polyester. CONSTITUTION:The objective composition is produced by compounding (A) 100 pts.wt. of a liquid crystal polyester moldable by melt-molding and composed of the structural units of formula I, formula II, formula III and formula TV (R1 is group of formula V, etc. ; R2 is group of formula VI, etc.) wherein the amount of I+II is 75-95mol% based on I+II+III, that of III is 25-5mol% based on I+II+III and the molar ratio of I/II is 75/25 to 95/5, (B) 5-200 pts.wt. (preferably 25-100 pts. wt.) of a filler (e.g. glass fiber) and, as necessary, (C) 0.2-30 pts.wt. (preferably 0.5-20 pts.wt.) of an organic flame-retardant (organic bromine compound and/or organic phosphorus compound).

公开(公告)号：JPS6317848A

公开(公告)日：1988-01-25

申请号：JP16238386

申请日：1986-07-10

Applicant: TORAY INDUSTRIES

Inventor： SAKURAI YUZO ,  KITAJIMA NORIO ,  SAKAMOTO KOSUKE

IPC: C07C69/92 ,  C07D213/80 ,  C09K19/32

Abstract: NEW MATERIAL:A compound shown by formula I (R1 is 4-18C alkyl; R2 is optically active alkyl; X is C or N). EXAMPLE:6-(6'-n-Octyloxypyridyl-3'-carbonyloxy)naphthalene-2-carboxylic acid (S)-2-methylbutyl ester. USE:One component for a liquid crystal composition. Chiral smectic C liquid crystal useful as a display element material having improved weather resistance, smectic liquid crystal and especially ferroelectricity. Liquid crystal temperature range of chiral smectic C phase of the liquid crystal composition can be effectively extended by using the compound as one component for another liquid crystal compound. PREPARATION:A compound shown by formula II is reacted with thionyl chloride according to the reaction formula to give a compound shown by formula III. Then this compound is dissolved in an aromatic hydrocarbon solvent such as benzene, etc., and reacted with a compound shown by formula IV in the presence of pyridine, etc., to give a compound shown by formula I.

公开(公告)号：JPS61162751A

公开(公告)日：1986-07-23

申请号：JP326485

申请日：1985-01-14

Applicant: TORAY INDUSTRIES

Inventor： SAKURAI YUZO ,  HASEGAWA SAKIE ,  KITAJIMA NORIO

IPC: C08F20/00 ,  B01J20/283 ,  B01J20/291 ,  B01J20/32 ,  C07B31/00 ,  C07B57/00 ,  C07C67/00 ,  C08F20/52 ,  C08F20/58 ,  G01N30/88

Abstract: PURPOSE:To obtain a chemically stable and practical packing agent which is relatively easy to manufacture with a broad range of analyzable compound, by using an optically active monomer given by a specified formula. CONSTITUTION:A polymer comprising an optically active monomer given by the formula I and a monomer by the formula II is immobilized to a silica gel to form a packing agent for optical resolution. In the formula I, R1 represents a phenyl group, a benzyl group, 1-naphthyl group, 2-naphthyl group, 1-naphthyl methyl group, 2-naphthyl methyl group, 3-indolyl methyl group or a cycohexyl methyl group or a phenyl group, benzyl group, 1-naphthyl group, 2-naphthyl group, 1-naphthyl methyl group, 2-naphthyl methyl group or 3-indolyl methyl group which is replaced with a lower alkyl group, carboalkoxyl group, halogen atom or hydroxyl group, R2 a lower alkyl group, R3 hydrogen atom or methyl group or * asymmetric carbon atom. In the formula II, R4, R5 and R6 each represent an alkyl group, alkoxyl group, hydroxyl group or halogen atom. provided that at least one is an alkoxyl group or halogen atom.