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《Journal of Functional Polymers》 2008-04
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Radical Polymerization of Acrylonitrile Using 1-Buty-3-Methylimidazolium Chloride as Solvent

YANG Ling-ling,ZHANG Yu-mei,WANG Hua-ping,YU Ming-fang(State Key Laboratory for Modification of Fiber Materials,College of Material Science and Engineering,Donghua University,Shanghai 201620,China)  
The free radical polymerization and copolymerization of acrylonitrile(AN) in 1-buty-3-methylimidazolium chloride(Cl) were investigated for the first time.The chemical structure of the resulting polymers were analyzed by infrared spectroscopy(FT-IR) and nuclear magnetic resonance(NMR).The effect of AN/MA(methyl acrylate) ratio on the polymerization kinetics was discussed in detail.The chemical structures of the resulting polymers are identical with that obtained in conventional solvents.The copolymer compositions are close to the monomer feed compositions.The polymer average molecular weight increases with AN content,while there is a maximum in the monomer conversation.All the polymers show high modecular weight and narrow molecular weight distribution(1.7).Differential scanning calorimetry(DSC) analysis shows that lower MA incorporation is conducive to the control of the cyclization reaction.
【Fund】: 上海市教委“曙光计划”基金资助项目(05SG36);; 上海市重点学科建设项目(B603)
【CateGory Index】: O631.5
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