Copolymerization of N-(4-Vinylpfaenyi)maleunide with Styrene and N-Phenylmaleimide and Thermal Properties of the Copolymers

Satoni Amou, Shin Nishimura, Akio Takahashi, Tokio Hagiwara, Hiroshi Hamana, Tadashi Narita

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

In order to synthesize linear polymers with crosslinkable pendant unsaturated groups, copolymerizations of N-(4-vmylphenyl)maleimide (VPMI) with N-phenyunaleimide (PMI) and styrene (St) were carried out. VPMI possesses two polymerizable carbon-carbon double bonds with different reactivities. Poly(VPMI-co-PMI)M, obtained by anionic copolymerization with potassium lert-butoxide as an initiator had both VPMI and PMI units, and the VPMI unit possessed a pendant styrene group. Poly(VPMi-co-St)st obtained by cationic copolymerization initiated by tri-fluoroboran etherate had both VPMI with a pendant maleimide group and St units. Thermal properties of the copolymers were examined by DSC and TGA. Every PoWVPMI-co-PMOm, had no obvious melting point. Thermal decomposition temperatures of these copolymers were 411~434°C, which were not influenced by the composition. Poly-(VPMI-eo-St)s, which contained more than 60 mol% St unit showed a melting point. The thermal decomposition temperature of poly{VPMI-ro-St)Sl decreased with increasing content of St unit. Poly(VPMI-co-St)St decomposed at 384 ~461°C. The decomposition temperatures of these copolymers were higher than that of polystyrene.

Original languageEnglish
Pages (from-to)764-770
Number of pages7
JournalKOBUNSHI RONBUNSHU
Volume51
Issue number12
DOIs
Publication statusPublished - Jan 1 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Materials Science (miscellaneous)
  • Environmental Science(all)
  • Polymers and Plastics

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