以甲基丙烯酸甲酯(MMA)为单体,苯乙烯-马来酸酐共聚物(SMA)为乳化剂进行乳液聚合研究。通过改变乳化剂的用量、引发剂的用量、功能单体的用量等条件来研究分析乳液聚合的最佳反应条件。实验结果表明:当聚合反应温度为80℃,苯乙烯-马来...以甲基丙烯酸甲酯(MMA)为单体,苯乙烯-马来酸酐共聚物(SMA)为乳化剂进行乳液聚合研究。通过改变乳化剂的用量、引发剂的用量、功能单体的用量等条件来研究分析乳液聚合的最佳反应条件。实验结果表明:当聚合反应温度为80℃,苯乙烯-马来酸酐共聚物的用量为0.5 g(2.5%单体总质量),过硫酸铵(AA)的用量为0.1 g(0.5%单体总质量),丙烯酸(AA)的用量为1.4 m L(10%单体摩尔质量),乳液性能优良。展开更多
Reverse addition\|fragmentation chain transfer (RAFT) polymerizatin of MAn with St is reported aiming at the synthesis of a well\|defined alternating copolymer of MAn with St.The results show that the polymers possess...Reverse addition\|fragmentation chain transfer (RAFT) polymerizatin of MAn with St is reported aiming at the synthesis of a well\|defined alternating copolymer of MAn with St.The results show that the polymers possess predetermined molecular weight and molecular weight distribution as narrow as 1 2. A novel well\|defined block copolymer P(MAn\| alt \|St)\| b \|PSt has also been prepared by the copolymerization of MAn with excess amount of St in molar feed via RAFT process.展开更多
文摘以甲基丙烯酸甲酯(MMA)为单体,苯乙烯-马来酸酐共聚物(SMA)为乳化剂进行乳液聚合研究。通过改变乳化剂的用量、引发剂的用量、功能单体的用量等条件来研究分析乳液聚合的最佳反应条件。实验结果表明:当聚合反应温度为80℃,苯乙烯-马来酸酐共聚物的用量为0.5 g(2.5%单体总质量),过硫酸铵(AA)的用量为0.1 g(0.5%单体总质量),丙烯酸(AA)的用量为1.4 m L(10%单体摩尔质量),乳液性能优良。
文摘Reverse addition\|fragmentation chain transfer (RAFT) polymerizatin of MAn with St is reported aiming at the synthesis of a well\|defined alternating copolymer of MAn with St.The results show that the polymers possess predetermined molecular weight and molecular weight distribution as narrow as 1 2. A novel well\|defined block copolymer P(MAn\| alt \|St)\| b \|PSt has also been prepared by the copolymerization of MAn with excess amount of St in molar feed via RAFT process.
