ADHESIVES BASED BLOCK COPOLYMER (IV)

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Other Title
  • ブロック共重合体をベースとする接着剤　ＩＶ　　スチレン‐ブタジエンブロック共重合体のエポキシ基を有するビニル化合物による改質
  • スチレン ブタジエン ブロック キョウジュウゴウタイ ノ エポキシキ オ ユウ

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Abstract

The modification of styrene-butadiene block copolymer (SBS) was carried out by the graft polymerization of vinyl compounds having an epoxy group in order to improve the heat resistance. It was found that SBS graft modified by glycidyl methacrylate (GMA) crosslinked with various hardeners of epoxy resin, and the heat resistance was improved by this crosslink. This modified SBS was confirmed to be effectual adhesives for the bond of plasticized poly(vinyl chloride), but the peel strength was less than that of SBS graft modified by methyl methacrylate (MMA). The peel strength and the heat resistance were much improved by two-step graft polymerization of MMA and GMA. Furthermore, allyl glycidyl ether was also effected by the combined use of MMA.

Journal

  • NIPPON GOMU KYOKAISHI

    NIPPON GOMU KYOKAISHI 57 (3), 163-170, 1984

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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