New tridentate ligands with mixed donor atoms for Cu-based atom transfer radical polymerization

被引：9
作者：
Cho, Hong Youl [1 ]
Han, Byung Hui [1 ]
Kim, Il [1 ]
Paik, Hyun-jong [1 ]
机构：
[1] Pusan Natl Univ, Dept Polymer Sci & Engn, Pusan 609753, South Korea
来源：
MACROMOLECULAR RESEARCH | 2006年 / 14卷 / 05期
关键词：
atom transfer radical polymerization; copper complex; styrene; methyl methacrylate; activation rate constant; tridentate ligand; mixed donor atoms;
D O I：
10.1007/BF03218721
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
2-Furancarboxaldehyde-2-pyridinylhydrazone (FPH) and 5-methyl-2-furancarboxaldehyde-2-pyridinyl-hydrazone (MFPH) were synthesized and used as tridentate ligands of copper (1) bromide for the atom transfer radical polymerization of methyl methacrylate (MMA) and styrene. The polymerization of methyl methacrylate achieved high conversion and yielded polymers with a good control of molecular weight and low polydispersity (PDI=1.33). Higher PDI were observed in the polymerization of styrene. Using I-phenyl ethylbromide (PEBr) and ethyl 2-bromoisobutyrate (EBiB) as model compounds for the polymeric chain ends, the activation rate constants of the new catalytic systems were measured. These results were correlated with the polymerization results and compared with another catalytic system previously reported.
引用
收藏
页码：539 / 544
页数：6
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