Synthesis and Properties of Polydimethylsiloxane-Polyimide Block Copolymers by Silylated Diamine Method.

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  • KAJIYAMA Mikio
    Department of Forest Products, Faculty of Agriculture, The University of Tokyo
  • OISHI Yoshiyuki
    Department of Organic and Polymeric Materials, Tokyo Institute of Technology
  • KAKIMOTO Masa-aki
    Department of Organic and Polymeric Materials, Tokyo Institute of Technology
  • IMAI Yoshio
    Department of Organic and Polymeric Materials, Tokyo Institute of Technology

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Other Title
  • シリル化ジアミン法によるポリジメチルシロキサン‐ポリイミドブロック共重合体の合成と性質
  • シリルカ ジアミンホウ ニ ヨル ポリジメチルシロキサン ポリイミド ブロック

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Abstract

Starting from telechelic amine-terminated polydimethylsiloxane (PDMS) oligomers (PDMS-diamines), PDMS-polyimide block copolymers were synthesized by the silylated diamine method. The polymerization of the N-trimethylsilyl-substituted PDMS-diamine, N-trimethylsilylated bis (4-aminophenyl) ether, and pyromellitic dianhydride in diglyme at room temperature afforded the PDMS-polyamic acid trimethylsilyl ester block copolymers. The PDMS-polyimide block copolymer films were obtained by casting the diglyme solutions followed by heating at 300°C. The PDMS-polyimide block copolymers did not decompose below 300°C, and behaved as high temperature resistantelastomers.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 49 (3), 235-240, 1992

    The Society of Polymer Science, Japan

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