Radical copolymerization of methyl 2-norbornene-2-carboxylate and 2-phenyl-2-norbornene with styrene, alkyl acrylate, and methyl methacrylate: Facile incorporation of norbornane framework into polymer main chain and its effect on glass transition temperature
✍ Scribed by Eiji Ihara; Shingo Honjyo; Koh Kobayashi; Satoru Ishii; Tomomichi Itoh; Kenzo Inoue; Hikaru Momose; Mitsufumi Nodono
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 364 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0032-3861
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✦ Synopsis
Radical copolymerization behavior of methyl 2-norbornene-2-carboxylate 1 and 2-phenyl-2-norbornene 2 was investigated. Radical copolymerization of 1 and 2 with styrene, alkyl acrylate, and methyl methacrylate in a variety of monomer combinations afforded copolymers, whose main chains consisted of norbornane framework. Relative monomer reactivity ratios for the copolymerization of 1 and 2 with nbutyl acrylate (n-BA) were determined by the Fineman-Ross method. Temperature-modulated DSC analysis for poly(1 or 2-co-n-BA)s revealed remarkable T g -raising effect of incorporation of norbornane framework into the polymer main chain, compared to that effect of styrene repeating unit.