Styrene(St)-maleic anhydride(MA) copolymer(SMA) with high content of maleic anhydride is synthesized by using azobisisobutyronitrile(AIBN) as initiator,using solution-precipitation,and the gradual warming polymerizati...Styrene(St)-maleic anhydride(MA) copolymer(SMA) with high content of maleic anhydride is synthesized by using azobisisobutyronitrile(AIBN) as initiator,using solution-precipitation,and the gradual warming polymerization.The effects of the mole ratio of styrene to maleic anhydride,reaction temperature and the initiator amount on the polymerization is studied.The determination of copolymer composition is also studied for a series of different content of maleic anhydride copolymer by using thermogravimetry to determine their composition.The research show that determination process of thermogravimetry is simple,rapid and accurate.展开更多
文摘Styrene(St)-maleic anhydride(MA) copolymer(SMA) with high content of maleic anhydride is synthesized by using azobisisobutyronitrile(AIBN) as initiator,using solution-precipitation,and the gradual warming polymerization.The effects of the mole ratio of styrene to maleic anhydride,reaction temperature and the initiator amount on the polymerization is studied.The determination of copolymer composition is also studied for a series of different content of maleic anhydride copolymer by using thermogravimetry to determine their composition.The research show that determination process of thermogravimetry is simple,rapid and accurate.
