Photocrosslinking of vinyl acetate-isopropenyl acetate copolymer by quinones.

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  • SASHIO Minoru
    Department of Applied Chemistry, Faculty of Engineering, University of Osaka Prefecture
  • YANO Ken-ichiro
    Department of Applied Chemistry, Faculty of Engineering, University of Osaka Prefecture
  • TSUNOOKA Masahiro
    Department of Applied Chemistry, Faculty of Engineering, University of Osaka Prefecture
  • TANAKA Makoto
    Department of Applied Chemistry, Faculty of Engineering, University of Osaka Prefecture

Bibliographic Information

Other Title
  • 酢酸ビニル‐酢酸イソプロペニル共重合体のキノンによる光橋かけ反応
  • サクサン ビニル サクサン イソプロペニル キョウジュウゴウタイ ノ キノン

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Abstract

Photocrosslinking of vinyl acetate-isopropenyl acetate (VAc-IPAc) copolymer was studied in the solid state in the presence of various quinones. The photocrosslinking reaction in the presence of p-benzoquinone and naphthoquinone proceeded very easily with irradiation. Photocrosslinking efficiency of partially hydrolyzed copolymer films was lower than that of VAc-IPAc copolymer films. Especially, the photocrosslinking efficiency of copolymer films partially hydrolyzed at random was lower than that of copolymer films partially hydrolyzed in a block way. The acetoxy groups in the copolymers were deduced to play an important role in the photocrosslinking because the crosslinked polymers could be made water soluble on hydrolysis.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 44 (10), 793-796, 1987

    The Society of Polymer Science, Japan

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