Keywords
1-vinylimidazole
acrylonitrile copolymers
Cyclization
melt spinning.
reversible addition–fragmentation chain transfer polymerization
thermo-oxidative stabilization
Abstract
The copolymers of acrylonitrile and 1-vinylimidazole with a narrow molecular weight distribution (MWD) were synthesized for the first time by the reversible addition-fragmentation chain transfer (RAFT) polymerization in a DMSO solution in the presence of acetic acid. Their thermal behavior difference upon heating in argon and in air along with ability to melt make them promising precursors for carbon fiber production.
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