-
公开(公告)号：JPH08253649A
公开(公告)日：1996-10-01
申请号：JP638496
申请日：1996-01-18
Applicant: TORAY INDUSTRIES
Inventor： KARASAWA HIROO , UMETSU HIDEYUKI , KOBAYASHI KAZUHIKO
Abstract: PURPOSE: To obtain a resin composition which readily gives homogeneous film excellent in pin-hole resistance at cold temperature because of its highly stabilized viscosity while it stays by using a polyamide resin, a partially saponified ethylene-vinyl acetate copolymer and a higher fatty acid metal salt. CONSTITUTION: This resin composition comprises (A) 5-45wt.% of a polyamide resin, (B) 95-55wt.% of a partially saponified ethylene-vinyl acetate copolymer and (C) 0.05-0.5 pt.wt., per 100 pts.wt. of the total of components A and B, of a higher fatty acid metal salt, where the melt index [MFR (0)] measured at 230 deg.C under the pressure of 5000g gives 3-200g/10min, the melt index measured under the same condition, after heat treatment at 220 deg.C for 300 minutes, [MFR (300)] satisfies the relationship of formula I and, when MFR (0) is 3-200g/10min., the number of the fatty acid metal salt is represented by (A) and the number of carboxyl terminals by (B), A and B satisfy the relationship of formula II.
-
公开(公告)号：JPH06287415A
公开(公告)日：1994-10-11
申请号：JP7357793
申请日：1993-03-31
Applicant: TORAY INDUSTRIES
Inventor： UMETSU HIDEYUKI , KARASAWA HIROO , IWAMOTO MASAAKI
Abstract: PURPOSE:To obtain the subject composition having low water-absorption and excellent heat-resistance, impact resistance, etc., and useful for electronic part, etc., by compounding a specific polyamide, a polyester and an olefinic elastomer and specifying the compounding ratios and the particle diameter of the elastomer. CONSTITUTION:The objective composition is produced by compounding (A) 95-5wt.% of a crystalline copolymerized polyamide composed of 20-90wt.% of hexamethylene terephthalamide and 10-80wt.% of other polyamide and (B) 5-95wt.% of a polycyclohexane dimethylene terephthalate having a cis/trans molar ratio of 60/40 to 10/90 (the molar ratio of the cis structure to the trans structure of the cyclohexane ring) and compounding 100 pts.wt. of the obtained thermoplastic resin with (C) 1-100 pts.wt. of an olefinic elastomer. The average particle diameter of the dispersed phase consisting of the component C in the polyamide matrix phase is
-
公开(公告)号：JPH06256502A
公开(公告)日：1994-09-13
申请号：JP4369493
申请日：1993-03-04
Applicant: TORAY INDUSTRIES
Inventor： OSANAWA NOBUO , IWAMOTO MASAAKI , KARASAWA HIROO
IPC: C08G69/00
Abstract: PURPOSE:To readily produce various kinds of polyamides using one apparatus by reacting two or more kinds of polyamide oligo condensates each having a specified relative viscosity in a melting machine. CONSTITUTION:Two or more kinds of polyamide oligo condensates each having >=1.04 and =1.8 and
-
公开(公告)号：JPH0562903B2
公开(公告)日：1993-09-09
申请号：JP17343887
申请日：1987-07-10
Applicant: TORAY INDUSTRIES
Inventor： KARASAWA HIROO , YONETANI KIICHI , OKITA KYOMI
-
公开(公告)号：JPH0562901B2
公开(公告)日：1993-09-09
申请号：JP11905787
申请日：1987-05-18
Applicant: TORAY INDUSTRIES
Inventor： KARASAWA HIROO , OKITA KYOMI , YONETANI KIICHI
-
Patent Agency Ranking
公开(公告)号：JPH05163350A
公开(公告)日：1993-06-29
申请号：JP33037991
申请日：1991-12-13
Applicant: TORAY INDUSTRIES
Inventor： MATSUOKA HIDEO , KARASAWA HIROO , KOBAYASHI KAZUHIKO
Abstract: PURPOSE:To provide a new polyarylene sulfide sulfone polymer of excellent heat resistance. CONSTITUTION:A polyarylene sulfide sulfone of a melt viscosity of 0.20-0.60, obtained by reacting an aromatic dihalosulfone with a bisphenol fluorene, an alkali metal salt and a source of sulfur. An aromatic dihalosulfone is reacted with bisphenol fluorene in a molar ratio of 99/1-60/40 in the presence of an alkali metal hydroxide or an alkyl metal salt in an organic amide solvent and/or an organic sulfone solvent to form an oligomer containing halogen atoms at both ends. A least one source of sulfur selected from among an alkali metal sulfide, an alkali metal hydrosulfide and hydrogen sulfide is added to the reaction mixture and reacted with the oligomer at 175-235 deg.C for 1-20hr. Thus, a resin having a high glass transition temperature and excellent heat decomposition resistance can be obtained. This process is industrially advantageous in that a polymer having a high glass transition temperature which can be varied can be obtained.
-
公开(公告)号：JPH05140386A
公开(公告)日：1993-06-08
申请号：JP30787091
申请日：1991-11-22
Applicant: TORAY INDUSTRIES
Inventor： NISHIMURA TORU , KARASAWA HIROO , IWAMOTO MASAAKI
Abstract: PURPOSE:To obtain the subject composition, composed of a specific partially saponified substance and a specified terminal-modified polyamide resin in a specific proportion, excellent in melt stability, drawability, gas barrier properties, hot water, oil and impact resistances and useful as films, etc. CONSTITUTION:The objective composition is composed of (A) 1-99wt.% partially saponified ethylene-vinyl acetate copolymer and (B) 99-1wt.% terminal-modified polyamide resin having terminal amino groups modified with a carboxylic acid or a carboxylic acid ester, equiv./g content of the residual terminal amino groups and 2.0-7.0 relative viscosity [etar] of the polymer.
-
公开(公告)号：JPH04253731A
公开(公告)日：1992-09-09
申请号：JP1350591
申请日：1991-02-04
Applicant: TORAY INDUSTRIES
Inventor： KARASAWA HIROO , KIMURA MICHIO , KOBAYASHI KAZUHIKO
IPC: C08G75/02 , C08G75/0227 , C08G75/0254 , C08G75/06
Abstract: PURPOSE:To obtain a polyarylene sulfide sulfone having a high molecular weight and good residence stability in high yields by reacting a specified dihaloaryl sulfone with an alkali metal sulfide. CONSTITUTION:A dihaloaryl sulfone of the formula (wherein R1, R2, R3 and R4 are each 1-12 C alkyl, an aromatic group, an alicyclic group or a hydrogen atom; and X is a halogen atom) is reacted with an alkali metal sulfide in the presence of a quinone.
-
公开(公告)号：JPH0241354A
公开(公告)日：1990-02-09
申请号：JP19221188
申请日：1988-08-01
Applicant: TORAY INDUSTRIES
Inventor： KARASAWA HIROO , YONETANI KIICHI , NAKAMURA SEIICHI
Abstract: PURPOSE:To obtain a resin composition with high rate of crystallization excellent in moldability by using a low-temperature mold and having a property of low generation of gas by adding a beta-diketone with respectively specified structure and molecular weight and/or a metal chelate compound thereof to a thermoplastic polyester. CONSTITUTION:To (A) 100 pts.wt. thermoplastic polyester (PETF, PBTF, etc., are preferable) with, preferably 0.25-3, especially 0.4-2.25dl/g intrinsic viscosity, (B) 0.005-10, preferably 0.01-5 pts.wt. beta-diketone with >=150, preferably >=175 molecular weight having a structural unit of formula I (R is H, alkyl or aromatic group and preferably H), preferably formula II or formula III (R1 and R2 are alkyl, aromatic or alicyclic group where R and R1, R1 and R2 may form cyclic structure; n is 2-4; A is direct bond, 2-4 valent hydrocarbon, etc.) and/or metal chelate compound thereof is added to provide the subject resin composition.
-
公开(公告)号：JPH01201357A
公开(公告)日：1989-08-14
申请号：JP2547188
申请日：1988-02-04
Applicant: TORAY INDUSTRIES
Inventor： OKITA KIYOMI , YONETANI KIICHI , KARASAWA HIROO
Abstract: PURPOSE:To provide the title resin composition excellent in flow during molding, and stability during residence, and giving a molding excellent in flame retardancy, tensile strength, etc., by mixing an aromatic polyester resin with a specified epoxy compound and an organobromine compound in a specified ratio. CONSTITUTION:100pts.wt. aromatic polyester resin composition (A) (e.g., polyethylene terephthalate) is mixed with 0.01-10pts.wt. epoxy compound (B) of formula I (wherein Ar is a 6-20C aromatic group or an alicyclic group, and n is 0 or 1-20), e.g., formula II or III, and 1n50pts.wt. organobromine compound (C) (e.g., hexabromobenzene or brominated polycarbonate) to produce a flame- retarding aromatic polyester resin composition. The obtained resin composition can be easily molded by a process such as injection molding or extrusion molding, and it is excellent in hydrolysis resistance, etc., and can be desirably used as, e.g., the parts of automobile electric equipment.
-
-
-
-
-
-
-
-
-
Search Results
67
records
(took 0.026 seconds)
