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Preparation and Application of the Graft Copolymer of Cationic Starch and Acrylamide
Author(s): 
Pages: 19-23
Year: Issue:  3
Journal: Paper Chemicals

Keyword:  阳离子淀粉丙烯酰胺接枝共聚纸张增强;
Abstract: 以低取代度的阳离子淀粉为原料,硝酸铈铵为引发剂,制备了低取代度阳离子淀粉-丙烯酰胺接枝共聚物.研究了丙烯酰胺与阳离子淀粉质量比、反应温度、反应时间和引发剂浓度对接枝率和接枝效率的影响.结果表明:接枝率和接枝效率最高的条件为:m(丙烯酰胺):m(阳离子淀粉)=2.5:1,反应温度为55℃,反应时间为3 h,c(引发剂)=2 mmol/L.将合成的聚合物用于纸张增强,当低取代度阳离子淀粉-丙烯酰胺接枝...
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