Studies　on　the　Crystallization　Behavior　of　Polypropylene　Solid　Phase　Grafted　Maleic　Anhydride

Studies on the Crystallization Behavior of Polypropylene Solid Phase Grafted Maleic Anhydride

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摘要ＳｔｕｄｉｅｓｏｎｔｈｅＣｒｙｓｔａｌｌｉｚａｔｉｏｎＢｅｈａｖｉｏｒｏｆＰｏｌｙｐｒｏｐｙｌｅｎｅＳｏｌｉｄＰｈａｓｅＧｒａｆｔｅｄＭａｌｅｉｃＡｎｈｙｄｒｉｄｅＳｔｕｄｉｅｓｏｎｔｈｅＣｒｙｓｔａｌｌｉｚａｔｉｏｎＢｅｈａｖｉｏｒｏｆＰｏｌｙｐｒ... Polypropylenes grafted maleic anhydride with different graft ratio have been prepared,and their isothermal crystallization kinetics have been investigated by means of DSC.The physical and chemical mechanisms that the malei anhydride reduces the surface free energy of radial growth of PP spherulite, increases its crystallization rate and decreases its crystallinity, are demonstrated. The influence of maleic anhydride grafting in PP on mechanism of spherulite growth and nucleation is discussed.

作者 Wang Jingyuan Yu Xiaoqiang Liu Zhiqiang Qin Dongqi Li Yuwei Tang Xinyi (Department of Chemistry, Jilin University, Changchun, 130023)

出处《分子科学学报》 CAS CSCD 1996年第3期195-203,共9页 Journal of Molecular Science

关键词 POLYPROPYLENE maleic ANHYDRIDE graft COPOLYMERIZATION ISOTHERMAL CRYSTALLIZATION SPHERULITE growth surface free energy nucleation. polypropylene maleic anhydride graft copolymerization isothermal crystallization spherulite growth surface free energy nucleation.

分类号 O625 [理学—有机化学]

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分子科学学报

1996年第3期

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Studies　on　the　Crystallization　Behavior　of　Polypropylene　Solid　Phase　Grafted　Maleic　Anhydride

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