Syntheses and Thermostabilities of N-Substituted Maleimide Copolymers. III. N-lsopropylmaleimide, N-sec-Butylmaleimide and N-tert-Butylmaleimide

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概要

• 論文の詳細を見る

• The objective of this study is to improve the thermostabilities of common vinyl polymers: poly [styrene (ST)] and poly [methyl methacrylate (MMA)], by using, N-substituted maleimide (RMI) [N-substituent (R), R=isopropyl (IPMI), sec-butyl (SBMI), tert-butyl (TBMI)] as a comonomer. IPMI, SBMI and TBMI were copolymerized with ST or MMA in the presence of azobisisobutyronitrile in benzene at 60℃. The thermostabilities of copolymers were investigated by thermal gravimetric (TG) analysis and differential scanning calorimetric (DSC) measurements. Softening points, initial degradation temperatures, and glass transition temperatures of copolymers rose with increasing the contents of RMI in copolymers.

著者

• OISHI Tsutomu

  Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering, Yamaguchi Universi

• Oishi T

  Industrial Chemistry Technical College

• FUJIMOTO Minoru

  Department of Molecular Medicine, Osaka University Graduate School of Medicine

• Fujimoto Minoru

  Industrial Chemistry Technical College

• Oishi Tsutomu

  Department Of Applied Chemistry & Chemical Engineering Faculty Of Engineering Yamaguchi Universi

• MOMOI Masaaki

  Industrial Chemistry, Technical College

• MOMOI Masaaki

  Department of Industrial Chemistry, Technical College.

• DOIUCHI Kazunori

  Nippon Oil & Fats Co., Ltd.

• Momoi Masaaki

  Industrial Chemistry Technical College

• Doiuchi Kazunori

  Nippon Oil & Fats Co. Ltd.

• Fujimoto Minoru

  Department of Chemistry Faculty of Technology Yamaguchi University

• Mooi Masaaki

  Department of Industrial Chemistry, Technical College.

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