Controlling ring-opening copolymerization of ε-caprolactone with trimethylene carbonate by scandium tris(2,6-di-tert-butyl-4-methylphenolate)

被引：103

作者：

Ling, J ^{[1
]}

Zhu, WP ^{[1
]}

Shen, ZQ ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Polymer Sci & Engn, Hangzhou 310027, Peoples R China

来源：

MACROMOLECULES | 2004年 / 37卷 / 03期

关键词：

D O I：

10.1021/ma035352f

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Copolymers of epsilon-caprolactone (CL) and trimethylene carbonate (TMC) have been synthesized through ring-opening polymerization using a novel initiator of scandium tris(2,6-di-tert-butyl-4-methylphenolate). CL and TMC polymerizations proceed via the "coordination anionic mechanism" with acyl-oxygen bond cleavage. Five kinds of copolymers with different structures of X, XB, AXB, AB, and BAY-B are synthesized under different polymerization conditions and characterized by H-1 NMR, GPC, and DSC, where X, A, and B denote as random blocks of CL and TMC, PTMC blocks, and PCL blocks, respectively.

引用

页码：758 / 763

页数：6

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