Synthesis and characterization of thermally curable polyacetylenes by polymerization of propargyl benzoxazine using rhodium catalyst

Kışkan B., Yagci Y.

POLYMER, vol.49, no.10, pp.2455-2460, 2008 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 49 Issue: 10
  • Publication Date: 2008
  • Doi Number: 10.1016/j.polymer.2008.03.031
  • Journal Name: POLYMER
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.2455-2460
  • Keywords: polyacetylene, thermal curing, polybenzoxazine, SUBSTITUTED ACETYLENES, RADICAL POLYMERIZATION, PHENOLIC MATERIALS, POLY(N-PROPARGYLAMIDES), POLYBENZOXAZINES, POLYSTYRENE, RESIN, ACID
  • Istanbul Technical University Affiliated: Yes

Abstract

A novel acetylene monomer containing benzoxazine group was synthesized and polymerized with [(norbornadiene)rhodium(l) chloride](2) ([(nbd)RhCl](2)) to give the corresponding polymer. The effect of triethylamine as co-catalyst in the polymerization was investigated. The spectral and thermal analyses confirmed the presence of benzoxazine functionality in the resulting polymer. It is shown that polyacetylene containing benzoxazine side groups undergoes irreversible cis-trans isomerization and thermally activated curing in the absence of any catalyst forming polyacetylene thermoset with high thermal stability. (c) 2008 Elsevier Ltd. All rights reserved.