ZHANG Guibao, LIU Xiaohui, LI Baixiang, BAI Yungang. SOLUTION COPOLYMERIZATION OF ACRYLONITRILE WITH 1-ALLYL3-METHYL-IMIDAZOLIUM[J]. Acta Polymerica Sinica, 2009,(3):216-221.
ZHANG Guibao, LIU Xiaohui, LI Baixiang, BAI Yungang. SOLUTION COPOLYMERIZATION OF ACRYLONITRILE WITH 1-ALLYL3-METHYL-IMIDAZOLIUM[J]. Acta Polymerica Sinica, 2009,(3):216-221. DOI: 10.3724/SP.J.1105.2009.00216.
Ionic liquid comonomer 1-allyl-3-methylimidazolium chloride ([AMIM]Cl) was first used to copolymerize with acrylonitrile(AN) successfully in various conditions.This was achieved by using azobisisobutyronitrile as the initiator and dimethyl sulfoxide as the solvent.The kinetics of the above copolymerization was studied.The values of monomer apparent reactivity ratios were calculated.The apparent reactivity ratios of AN and [AMIM]Cl are as follows:rAN=8.11
rAMIM]Cl=0.The copolymers were obtained with high molecular weights and high hydrophilicity.[AMIM]Cl has dual functions in the dope:the part in the molecular chains can mediate the hydrophilicity and spinnicity of the copolymers
and the other part in the solution can decrease the viscosity of the dope.The copolymers were characterized by 1H-NMR
GPC
DSC and TGA.The copolymers may be potentially useful in preparing precursor fibers and carbon fibers.