N-chloro amides, lactams, carbamates, and imides. New classes of initiators for the metal-catalyzed living radical polymerization of methacrylates
N-chloro amides, lactams, carbamates, and imides. New classes of initiators for the metal-catalyzed living radical polymerization of methacrylates
复制标题
DOI：
10.1002/pola.21060
复制
发表时间：
2005-11
期刊：
影响因子：
--
通讯作者：
V. Percec;C. Grigoras
中科院分区：
文献类型：
--
作者：
V. Percec;C. Grigoras
金属催化N-氯代酰胺引发甲基丙烯酸甲酯活性自由基聚合（N-氯N-乙基丙酰胺、N-氯苯甲酰苯胺、N-氯甲基苯甲酰胺和N-氯乙酰苯胺）、内酰胺（N-氯己内酰胺和N-氯2-吡咯烷酮）、氨基甲酸酯或（N-氯乙基氨基甲酸酯或N-氯氨基甲酸酯），酰亚胺（N-氯邻苯二甲酰亚胺、N-氯丁二酰亚胺、三氯异氰尿酸和N-氯糖精），并以Cu 2S/2，2 ′-联吡啶自调节催化体系为催化剂。这些引发剂的引发效率由它们的结构决定。无论引发剂的效率，在所有情况下，聚（甲基丙烯酸甲酯）与窄分子量分布和官能化的链端得到。这些新类别的引发剂开辟了新的策略，聚合物链端的官能化和复杂的结构，通过接枝共聚引发的N-氯蛋白，脂肪族，芳香族和半芳香族聚酰胺，和聚氨酯的合成。© 2005威利期刊有限公司聚合物科学杂志A部分：聚合物化学43：5283-5299，2005
Metal-catalyzed living radical polymerization of methyl methacrylate initiated with N-chloro amides (N-chloro N-ethyl propionamide, N-chloro benzanilide, N-chloro methylbenzamide, and N-chloro acetanilide), lactams (N-chloro caprolactam and N-chloro 2-pyrrolidinone), carbamates or urethanes (N-chloro ethylcarbamate or N-chlorourethane), imides (N-chloro phtalimide, N-chloro succinimide, trichloroisocyanuric acid, and N-chloro saccharin) and catalyzed with the self-regulated catalytic system Cu2S/2,2′-bipyridine is reported. The initiation efficiency of these initiators is determined by their structure. Regardless of the initiator efficiency, in all cases, poly (methyl methacrylate) with narrow molecular weight distribution and functionalized chain-ends was obtained. These new classes of initiators open new strategies for the functionalization of polymer chain-ends and for the synthesis of complex architectures by graft copolymerization initiated from N-chloro proteins, aliphatic, aromatic and semiaromatic polyamides, and polyurethanes. © 2005 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 43: 5283–5299, 2005