APS-RH引发氯化二甲基二烯丙基铵与丙烯酰胺溶液共聚合反应  

Aqueous copolymerization of dimethyldiallylammonium chloride and acrylamide initiated by APS-RH initiation system

作　　者：蔡玉春[1] 张万忠[1] 陈海强 张勇[1] 陈清元[1] 

机构地区：[1]南方医科大学药学院,广东广州510515 [2]中山火炬开发区奥斯塑料包装厂,广东中山528400

出　　处：《化学试剂》2011年第1期57-61,共5页Chemical Reagents

基　　金：中山市科技计划资助项目(20092A190)

摘　　要：利用过硫酸铵-亚硫酸氢钠(APS-RH)引发体系,研究了聚合反应的温度、丙烯酰胺(AM)对氯化二甲基二烯丙基铵(DMDAAC)的物质的量比等因素以及几种不同的氧化-还原体系对DMDAAC-AM共聚反应规律的影响。在w(DMDAAC+AM)=30%;w(APS)=0.01%时,适宜的反应条件为:n(AM)∶n(DMDAAC)=4∶1,APS对RH的物质的量比为1∶1,30℃下共聚3 h。常见的氧化-还原引发体系对DMDAAC-AM共聚反应规律的影响差别不大,共聚物的产品收率、阳离子度和[η]之间存在一定的制约关系。Copolymerization of dimethyldiallylammonium chloride（DMDAAC）with acrylamide（AM）was carried out using（NH4）S2O8-NaHSO3（APS-RH）as the initiation system.Effects of some factors such as the reaction temperature,the mole ratio of AM to DMDAAC,and different redox systems on the copolymerization reaction were studied.Optimal copolymerization conditions were as follows：n（AM）∶n（DMDAAC）=4∶1,n（APS）∶n（RH）=1∶1,w（DMDAAC＋AM）=30%;w（APS）=0.010%,a reaction temperature of 30 ℃ and a reaction time of 3 h.There were no obvious differences on the copolymerization reaction initiated by several common redox systems,while a restricted correlation existed among the yield,cationicity and [η]of DMDAAC-AM copolymer.

关 键 词：氯化二甲基二烯丙基铵 丙烯酰胺 共聚合 氧化-还原引发剂 

分 类 号：O631.5[理学—高分子化学] TQ326.4[理学—化学]