POLYESTER COMPOSITION AND USE THEREOF

申请公布号：JPS63183953(A)

申请号：JP19870211353

申请日期：1987.08.27

申请公布日期：1988.07.29

申请人：

MITSUI PETROCHEM IND LTD

发明人：TANITSU TADAO;ISHIMARU ETSUJI;MIURA KIMIYOSHI;WAKUMOTO HIROSHI

分类号：C08L67/02;C08L67/00;C08L71/02

主分类号：C08L67/02

摘要：PURPOSE:To obtain a polyester composition suitable as drawn and molded articles, drawn and molded hollow materials, etc., having excellent melt moldability, drawing and molding properties and gas barrier properties, comprising a polyester containing a specific polyhydroxypolyether. CONSTITUTION:A polyester composition suitable for drawn and molded articles, drawn and molded hollow materials, etc., consisting of (A) a polyalkylene terephthalate comprising ethylene terephthalate as a main constituent unit and (B) a polyhydroxy polyester which is shown by the formula (R<1> is bifunctional aromatic hydrocarbon group containing p-phenylene group as a main component; n is positive integer), is linear, has 0.3-2dl/g intrinsic viscosity (in o- chlorophenol at 25 deg.C) and <=0.2wt.% nonionic organic halogen content and obtained by reacting a diglycidyl ether of an aromatic diol with an aromatic diol in the presence of a catalyst (e.g. tertiary amine or quaternary ammonium compound) at 70-300 deg.C.

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