Effects of Polymerization Conditions on Copolymerization of Acrylonitrile with Maleic Anhydride in Water |
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| Authors: | Pei Yuxin Wang Qingrui Shen XinyuanCollege of Material & Engineering China Textile University Shanghai |
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| Institution: | Pei Yuxin Wang Qingrui Shen XinyuanCollege of Material & Engineering,China Textile University,Shanghai,200051 |
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| Abstract: | A acrylonitrile - maleic anhydride copolymer was prepared by precipitation polymerization with (NH4)2S2O8 - NaHSO3 as oxidation - reduction initiator in water. The effects of polymerization conditions (such as content of adjustment reagent of molecular weight, concentration of monomers, reaction time and temperature, ratio of initiator to monomer and ratio of reductant to oxidizer in mole ) on composition, molecular weight and conversion of the copolymer were investigated. The copolymer was characterized with IR and Elementary Analysis. Its thermal property and crystallinity were determined with DTA and WAXD, respectively. |
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| Keywords: | acrylonitrile copolymerization polymerization condition maleic anhydride oxidation-reduction initia-tor |
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