Nitroxyl radicals of the imidazoline series as agents of pseudoliving polymerization of styrene
作者:E. V. Kolyakina、M. A. Lazarev、M. V. Pavlovskaya、I. A. Kirilyuk、I. F. Zhurko、I. A. Grigoŕev、D. F. Grishin
DOI:10.1007/s11172-010-0278-x
日期:2010.8
Radical polymerization of styrene in the presence of 2,2,4,5,5-pentamethyl-2,5-dihydro- Imidazol-1-oxyl, 2,2-diethyl-4,5,5-trimethyl-2,5-dihydroimidazol-1-oxyl, 2,2,5,5-tetramethyl- 4-phenyl-2,5-dihydroimidazol-1-oxyl, 2,2,5-trimethyl-4,5-diphenyl-2,5-dihydroimidazol- 1-oxyl, and 2-methyl-2,3-diphenyl-1,4-diazaspiro[4.5]deca-3-en-1-oxyl was studied. Effect of substituents in the nitroxyl radical and
在 2,2,4,5,5-pentamethyl-2,5-dihydro-Imidazol-1-oxyl, 2,2-diethyl-4,5,5-trimethyl-2,5- 存在下苯乙烯的自由基聚合二氢咪唑-1-氧基,2,2,5,5-四甲基-4-苯基-2,5-二氢咪唑-1-氧基,2,2,5-三甲基-4,5-二苯基-2,5-二氢咪唑-研究了 1-oxyl 和 2-methyl-2,3-diphenyl-1,4-diazaspiro[4.5]deca-3-en-1-oxyl。考虑了硝酰基中的取代基和引发剂的性质对“假活性”聚合特性和合成聚苯乙烯分子量特性的影响。咪唑啉系列的硝酰基自由基,如 TEMPO 及其衍生物,允许人们调节苯乙烯的聚合并获得多分散指数值相对较低的聚合物。