摘要
甲基丙烯酸甲酯和苯乙烯经4,4’-偶氮-双(4-氰基戊酸)引发,分别在离子液体([C4mim][PF6])和苯中进行了自由基聚合反应,比较了相同引发剂和单体投料比下,2种介质体系中的聚合速率、相对分子质量和分子量分布,得出2种单体在[C4mim][PF6]中的聚合速率、相对分子质量明显高于苯中的产物,且[C4mim][PF6]经多次重复使用,均能得到性能稳定的聚合产物。
PMMA and PSt were prepared by free radical polymerization with 4,4＇-Azobis（4-cyanovaleric acid） as initiator in the room temperature ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate （[C4mim][PF6]） and benzene.The results show that both polymerization rate and molecular weights of polymer in [Camim][PF6] are higher than in benzene at the same monomer and same initiator molar ratio. Properties of products obtained with recovered [Camim][PF6] as solvent are stable.
出处
《辽宁化工》
CAS
2010年第12期1215-1216,1301,共3页
Liaoning Chemical Industry
