poly(acrylamido-azobenzene) (PAAAB) was synthesized by reversible addition-fragmentation chain transfer (RAFT) polymerization of acrylamido-azobenzene (AAAB) in DMF solvent
using benzyl dithiobenzoate (BDTB) as RAFT agent and α
α'-azobis(isobutyronitrile) (AIBN) as initiator. The effects of reaction temperature and the concentration of BDTB on the polymerization of AAAB were investigated. The structures of BDTB and PAAAB were characterized by FT-IR
1
H-NMR
and GPC. The results showed that the kinetic curves of the polymerization reveal good linear relationship
and the molecular weight distribution was narrower;when the ratio of [BDTB] to [AIBN]
increases
the polymerization rate and molecular weight of PAAAB were decreased and the molecular weight distribution becomes narrow.