不飽和二塩基酸誘導体の合成と重合に関する研究　第２３報　アクリロニトリル，Ｎ‐フェニルマレイミド，及びＮ‐ｐ‐クロロフェニルマレイミドとａ‐メチルスチレンのラジカル共重合及び共重合体の熱的性質

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  • Sudies on synthesis and polymerization of unsaturated dibasic acid derivatives XXIII. Radical copolymerization of acrylonitrile, N-phenyl-, and N-p-chlorophenylmaleimides with a-methylstyrene and thermal properties of the copolymers.
  • アクリロニトリル N フェニルマレイミド オヨビ N p クロロフェニルマレイ

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Radical copolymerizations of acrylonitrile (AN), N-phenylmaleimide (PMI), and N-p-chlorophenylmaleimide (CPMI) with a-methylstyrene (MS) were conducted in cyclohexanone at 60°C with AIBN. In the copolymerizations of PMI and CPMI with MS, the resulting copolymers were found to have highly alternating structures irrespective of the ratio of comonomers in feed. On the other hand, copolymerization of AN with MS gave random copolymers. The copolymerization parameters (r1 and r2) of each copolymerization system were determined. Weak monomer complexation between MS and PMI or CPMI was observed in 1H NMR measurements in CDCl3 at 30°C. The glass transition (Tg) and initial thermal decomposition (Td) of these copolymers examined by DSC and TGA showed that MS-PMI and MS-CPMI copolymers were characterized by high Tg and thermal stability.

収録刊行物

  • 高分子論文集

    高分子論文集 47 (7), 569-574, 1990

    公益社団法人 高分子学会

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