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    SHEET OR CONTAINER
    37.
    发明专利
    SHEET OR CONTAINER 失效

    公开(公告)号：JPS5594929A

    公开(公告)日：1980-07-18

    申请号：JP375079

    申请日：1979-01-16

    Applicant: TORAY INDUSTRIES

    Inventor： IIDA HIROSHI ,  OKAMOTO MASARU ,  MORIKAWA MASANOBU

    IPC: B65D85/72 ,  B65D85/00 ,  C08G63/00 ,  C08G63/18 ,  C08G63/199

    Abstract: PURPOSE:To provide a transparent sheet or a container having excellent heat resistance and being suitable as a food package or the like by molding copolymerized polyester formed from a dicarboxylic acid component containing terephthalic acid at a content above a specified amount and specified diol component. CONSTITUTION:A dicarboxylic acid component containing 60mol% or more, preferably 70mol% or more the terephthalic acid and a diol component containing 85-99mol% of aliphatic or alicyclic diol such as 1,3-propanediol or 1,4-cyclohexanedimethanol and 15-1mol% of 1,3-cyclohexanediol are subjected to esterification reaction or transesterification reaction and copolymerized polyester is formed by a heat polycondensation method or the like by using a catalyst. Subsequently, the obtained copolymerized polyester is molded to a sheet or a container by a melt molding method or the like.

    PREPARATION OF MODIFIED POLYESTER
    38.
    发明专利
    PREPARATION OF MODIFIED POLYESTER 失效

    公开(公告)号：JPS5531870A

    公开(公告)日：1980-03-06

    申请号：JP10531678

    申请日：1978-08-29

    Applicant: TORAY INDUSTRIES

    Inventor： IIDA HIROSHI ,  OKAMOTO MASARU ,  MORIKAWA MASANOBU

    IPC: C08G63/00 ,  C08G63/18 ,  C08G63/60 ,  C08G63/64

    Abstract: PURPOSE:To prepare a modified polyester having high heat resistance and elasticity, and useful as a raw material of film and fiber, by polymerizing the monomers of the polyester in the presence of a specific phenol compound. CONSTITUTION:The objective modified polyester is prepared by polymerizing (A) terephthalic acid and (B) an alkylene glycol such as ethylene glycol, in the presence of (C) 5-60mol (based on 100 moles of the acid component) of a phenol compound of formula I (R is 1-6C alkyl; Ar is phenol residue) or of formula II (R' is H, 1-6C alkyl, etc.). USE:The polymers containing 2-20 moles of the phenol compound is suitable to manufacture a film and fiber by orientation and crystallization, and those containing 20-60 moles of the phenol compound are amorphous resin having high glass transition temperature, and suitable to manufacture a sheet, etc.

    POLYESTER COMPOSITION HAVING IMPROVED COLOR
    39.
    发明专利
    POLYESTER COMPOSITION HAVING IMPROVED COLOR 失效

    公开(公告)号：JPS54162748A

    公开(公告)日：1979-12-24

    申请号：JP7240178

    申请日：1978-06-15

    Applicant: TORAY INDUSTRIES

    Inventor： YAMAMOTO YOSHIYUKI ,  IIDA HIROSHI ,  MORIKAWA MASANOBU

    IPC: C08L67/00 ,  C08K5/52

    Abstract: PURPOSE:The title composition usable for mechanical and electrical parts, having improved heat resistance and color stability, particularyly at high temperatures, without promoting the thermal decomposition of the composition, comprising a phosphite and a specific aromatic polyester. CONSTITUTION:A composition comprising (A) 100 parts by wt. of an aromatic polyester having a melting point of 150-350 deg.C, a molecular weight of 5,000- 50,000, an intrinisic viscosity of 0.4-1.5 measured by using a 0.5% solution in 0-chlorophenol at 25 deg.C, containing a phenol derivative of formula I or II: (R' is H, 1-16C alkyl, or halogen; n is 1 or 2; m is integer 0-2; A is 1-6C alkylene, ether, carboryl, thioether, or sulfone group), and (B) 0.01-5 parts by wt., prefreably 0.05-0.5 part by wt., of at least one type of phosphite of formaula III or a IV: (R is 6-20C alkyl group). The additionn of 0.01-5 parts wt of an epoxy compound further improves the effect of the present invention.

    FLAME RETARDANT POLYESTER RESIN COMPOSITION
    40.
    发明专利
    FLAME RETARDANT POLYESTER RESIN COMPOSITION 失效

    公开(公告)号：JPS54124053A

    公开(公告)日：1979-09-26

    申请号：JP3163878

    申请日：1978-03-22

    Applicant: TORAY INDUSTRIES

    Inventor： YAMAMOTO YOSHIYUKI ,  YOSHIOKA AKIRA ,  MORIKAWA MASANOBU

    IPC: C08L67/00 ,  C08K3/34 ,  C08L33/00 ,  C08L33/02 ,  C08L67/02

    Abstract: PURPOSE:To improve impact resistance and electrical characteristics of an aromatic polyester containing an aromatic halide, without lowering flame retardancy, by compounding the aromatic polyester with a specific inorganic compound, e.g. fluorite, etc.. CONSTITUTION:A flame retardant polyester resin composition comprising (A) an aromatic polyester, e.g. polyethylene terephthalate, etc., containing an aromatic halide (e.g. tetrabromobisphenol A, decabromodiphenyl, etc.) or copolymerized therewith, and (B) 1-50 wt.%, preferably 3-15 wt.% of an inorganic compound selected from fluorite, lithopone and dolomite.

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