SBS-g-MMA悬浮接枝共聚物的合成研究  

Study on Synthesis of SBS-g-MMA in Suspension Copolymerization

作　　者：刘拥君[1] 桂陆军[1] 曹中庆[1] 闻自林[1] 

机构地区：[1]湖南工程学院化学化工系,湖南湘潭411104

出　　处：《湖南工程学院学报（自然科学版）》2004年第2期81-83,共3页Journal of Hunan Institute of Engineering(Natural Science Edition)

摘　　要：以过氧化二苯甲酰(BPO)为引发剂,水为分散相,用即可作溶剂又可作共聚单体的甲基丙烯酸甲酯(MMA)与SBS在开放体系下进行悬浮接枝共聚反应.并用红外光谱对接技物进行了表征,同时通过正交实验探讨了最佳合成工艺:MMA/SBS为11 6∶1(质量比),BPO用量为SBS的0 5%,在温度为75℃条件下反应4 0h,可得到接枝率为86 3%的SBS-g-MMA接枝共聚物.Using BPO as initiator,water as medium,MMA as grafting monomer and solvent,SBS-g-MMA is performed in open suspension copolymerization system.The grafted copolymer is characterized by IR spectrosocopy.The suitable copolymerization conditions are determined by orphogonal experimental design.The mass ratios of SBS/MMA and SBS/BPO are about 11.6∶1 and 100∶05 respectively.The best grafting ratio of 86.3% is obtained when the copolymerization system is conducted at 75℃ for 4.0h.

关 键 词：丁苯嵌段共聚物 甲基丙烯酸甲酯(MMA) 化学改性 悬浮聚合 接枝共聚 正交试验 

分 类 号：TQ203.3[化学工程—有机化工]