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Copolymerization of methyl methacrylate and N-alkyl methacrylamide

Authors

  • Yu Chen,

    1. Department of Polymer Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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  • Guangli Zhang,

    1. Department of Polymer Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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  • Hongzhi Zhang

    Corresponding author
    1. Department of Polymer Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
    • Department of Polymer Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
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Abstract

A new approach to the preparation of colorless and high transparent methacrylic resins was described. N-Alkyl methacrylamide, the alkyl substituent of which was methyl, cyclohexyl, or isobornyl, was employed to copolymerize with methyl methacrylate, giving the copolymer with enhanced glass transition temperature around 10–15°C higher than that of homo-poly(methyl methacrylate). The comonomers, N-cyclohexyl methacrylamide and N-isobornyl methacrylamide, were prepared by reaction of methacrylonitrile with cyclohexene and camphene, respectively. All the three kinds of copolymers showed the water absorption similar to that of homo-poly(methyl methacrylate) after the samples were immersed in water for 2–8 days. The copolymers also showed high weather resistance toward sunshine in atmosphere for 16 months. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 82: 400–405, 2001

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