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    PRODUCTION OF ELASTIC POLYESTER
    41.
    发明专利
    PRODUCTION OF ELASTIC POLYESTER 失效

    公开(公告)号：JPH0543666A

    公开(公告)日：1993-02-23

    申请号：JP20076691

    申请日：1991-08-09

    Applicant: TORAY INDUSTRIES

    Inventor： ISHII HIROMITSU ,  AKIBA KAZUTERU ,  HIRATSUKA MOTONORI

    IPC: C08G63/08 ,  C08G63/82 ,  C08G63/85

    Abstract: PURPOSE:To produce an elastic polyester which is highly viscous and is improved in mechanical properties and heat stability by addition-polymerizing a crystalline aromatic polyester with a lactone compound in the presence of an organotin compound soluble in the lactone compound. CONSTITUTION:100 pts.wt. or below organotin compound soluble in a lactone compound is mixed with 100 pts.wt. lactone compound heated to 100-200 deg.C over a period of 30sec to 1hr to dissolve 0.001-0.5wt.% (in terms of Sn atoms) organotin compound in the lactone compound. 99-20wt.% crystalline polyester is addition-polymerized with 1-80wt.% organotin-containing lactone compound at 210-280 deg.C for 1-30min in the presence of a phosphorus compound, and unpolymerized lactone compound monomer is removed from the mixture in a vacuum of 50Torr or below.

    POLYESTER-POLYESTER BLOCK COPOLYMER COMPOSITION
    43.
    发明专利
    POLYESTER-POLYESTER BLOCK COPOLYMER COMPOSITION 失效

    公开(公告)号：JPH04178453A

    公开(公告)日：1992-06-25

    申请号：JP30444390

    申请日：1990-11-09

    Applicant: TORAY INDUSTRIES

    Inventor： AKIBA KAZUTERU ,  ISHII HIROMITSU ,  YAMAMOTO YOSHIYUKI

    IPC: C08G59/40 ,  C08G59/00 ,  C08K5/15 ,  C08K5/1515 ,  C08K5/42 ,  C08L63/00 ,  C08L67/00

    Abstract: PURPOSE:To obtain the subject copolymer composition having respectively improved melting viscosity, hydrolysis resistance and moldability by blending a polyester-polyester block copolymer with an epoxy resin, an organic sulfonate and/or a sulfate salt. CONSTITUTION:With (A) 100 pts.wt. polyester-polyester block copolymer composed of a crystalline aromatic polyester (preferably polybutylene terephthalate) as a hard segment and a polylactone as a soft segment, (B) 0.01-10 pts.wt., preferably 0.1-3 pts.wt. >=monofunctional epoxy compound (preferably >=difunctional) and (C) 0.001-5 pts.wt., preferably 0.005-1 pts.wt. one or mere salts selected from organic sulfonates (preferably sodium dodecylbenzene sulfonate, etc.) and sulfate ester salts (preferably sodium lauryl sulfate, etc.) are blended, thus obtaining the objective copolymer composition.

    POLYESTER BLOCK COPOLYMER COMPOSITION
    45.
    发明专利
    POLYESTER BLOCK COPOLYMER COMPOSITION 失效

    公开(公告)号：JPS60170660A

    公开(公告)日：1985-09-04

    申请号：JP2514084

    申请日：1984-02-15

    Applicant: TORAY INDUSTRIES

    Inventor： YAMAMOTO YOSHIYUKI ,  ISHII HIROMITSU ,  TANAKA CHIAKI

    IPC: C08K5/41 ,  B29C49/00 ,  B29K67/00 ,  B29L22/00 ,  C08K5/15 ,  C08K5/1515 ,  C08K5/42 ,  C08K5/49 ,  C08L63/00 ,  C08L67/00 ,  C08L67/02

    Abstract: PURPOSE:To provide the titled composition having excellent thermal stability and mechanical properties, and giving a parison with excellent form-stability, by compounding the titled copolymer with an epoxy compound, a specific metallic salt compound and a phosphorus compound. CONSTITUTION:(A) 100pts.(wt.) of a polyester block copolymer obtained by the block-forming reaction of (i) an aromatic polyester containing aromatic dicarboxylic acid as main acid component with (ii) an aliphatic polyester containing aliphatic dicarboxylic acid as main acid component and/or an aliphatic hydroxycarboxylic acid as hydroxy acid component, is compounded with (B) 0.1- 40pts., preferably 1-30pts. of an epoxy compound and (C)

    RESIN MOLDED ARTICLE
    47.
    发明专利
    RESIN MOLDED ARTICLE 失效

    公开(公告)号：JPS57172951A

    公开(公告)日：1982-10-25

    申请号：JP5723281

    申请日：1981-04-17

    Applicant: TORAY INDUSTRIES

    Inventor： HIRATSUKA MOTONORI ,  ISHII HIROMITSU ,  TANAKA CHIAKI

    IPC: C08L67/00 ,  C08L67/02

    Abstract: PURPOSE:To provide a resin molded article which has good mold release characteristics and does not have molding defects such as sink marks and warpage, by mixing a specified polyether ester block copolymer with fine particles of polybutylene terephthalate. CONSTITUTION:0.1-10pts.wt. fine polyethylene terephthalate particles having crystallinity of 40% or above and an avergae particle size of 50mu or below are homogeneously mixed with 100pts.wt. polyether ester block copolymer in which terephthalic acid, 1,4-butanediol and a polyoxyalkylene glycol having a number average MW of 300-6,000 such as poly(tetramethylene oxide) glycol are used as essential components and which contains 5-80wt% polyoxyalkylene glycol. The resulting molded article has excellent moldability such that the article has good mold release charcteristics and does not have molding defects such as sink marks and warpage, and molding cycle can be shortened.

    PRODUCTION OF POLYBUTYLENE TEREPHTHALATE POLYMER FINE PARTICLE
    48.
    发明专利
    PRODUCTION OF POLYBUTYLENE TEREPHTHALATE POLYMER FINE PARTICLE 失效

    公开(公告)号：JPS57172923A

    公开(公告)日：1982-10-25

    申请号：JP5723181

    申请日：1981-04-17

    Applicant: TORAY INDUSTRIES

    Inventor： HIRATSUKA MOTONORI ,  ISHII HIROMITSU ,  TANAKA CHIAKI

    IPC: C08J3/14

    Abstract: PURPOSE:To produce the titled highly crystalline fine particles, by dissolving a polybutylene terephthalate polymer in a specified lactam and precipitating the polymer from the solution. CONSTITUTION:A polybutylene terephthalate polymer is dissolved in a lactam represented by formulaI, wherein R is a 1-5C alkyl or H and n is 1-10, and the polymer is precipitated from the solution. In this operation, for example, when the precipitation is carried out at a low cooling rate and high temperature, large spherulitic fine particles are produced, and when the cooling rate is high, small spherulitic crystals are produced.

    RESIN COMPOSITION
    49.
    发明专利
    RESIN COMPOSITION 失效

    公开(公告)号：JPS578239A

    公开(公告)日：1982-01-16

    申请号：JP8138380

    申请日：1980-06-18

    Applicant: TORAY INDUSTRIES

    Inventor： HIRATSUKA MOTONORI ,  ISHII HIROMITSU ,  TANAKA CHIAKI

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

    Abstract: PURPOSE:To provide a resin compsn. having excellent mechanical and melt properties during extrusion molding, by blending polybutylene terephthalate and aluminum salt of a long-chain fatty acid with a polyether ester. CONSTITUTION:0.1-10pts.wt. Polybutylene terephthalate (B) derived from terephthalic acid and 1,4-butanediol, and 0.05-5pts.wt. aluminum salt of a long-chain fatty acid (C) (e.g. aluminum stearate or aluminum montanate), are mixed with 100pts.wt. polyether ester block copolymer (A) [contg. as structural components, a hard segment composed of a polyester derived from terephthalic acid and 1,4- butanediol and 5-80wt% soft segment composed of polyoxyalkylene glycol having a number-average MW of 300-6,000] to obtain the desired resin compsn.

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