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Grafting of maleic anhydride on PP by suspension solid phase method
Author(s): 
Pages: 32-35
Year: Issue:  2
Journal: CHINA SYNTHETIC RESIN AND PLASTICS

Keyword:  聚丙烯悬浮固相接枝马来酸酐接枝率;
Abstract: 采用悬浮固相法制备出马来酸酐接枝聚丙烯.研究了单体用量、界面剂种类和用量、助交联剂、体系pH值等因素对马来酸酐接枝率的影响.实验发现,随着单体用量增加,接枝率虽然逐渐增大,但单体接枝效率显著下降.界面剂的添加量对接枝率也有较大影响,适宜的添加量可以提高接枝率,采用二甲苯作界面剂时,其用量比甲苯少.添加适量的助交联剂有助于提高接枝率.另外,体系pH值的改变也会影响接枝率.
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