Synthesis and Polymerization of Norbornenyl-Terminated Multiblock Poly(cyclohexene carbonate)s: A Consecutive Ring-Opening Polymerization Route to Multisegmented Graft Polycarbonates

被引：48

作者：

Kim, Jeung Gon ^{[1
]}

Coates, Geoffrey W. ^{[1
]}

机构：

[1] Cornell Univ, Baker Lab, Dept Chem & Chem Biol, Ithaca, NY 14853 USA

来源：

MACROMOLECULES | 2012年 / 45卷 / 19期

基金：

美国国家科学基金会;

关键词：

TRANSFER RADICAL POLYMERIZATION; CYLINDRICAL MOLECULAR BRUSHES; DIIMINATE ZINC CATALYSTS; COPOLYMER SIDE-CHAINS; METATHESIS POLYMERIZATION; ALTERNATING COPOLYMERIZATION; ANIONIC-POLYMERIZATION; OXIDE) MACROMONOMERS; POLYSTYRENE MACROMONOMERS; STRUCTURAL CONTROL;

D O I：

10.1021/ma301137q

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We report a method for the synthesis of multisegmented polycarbonate graft copolymers. Using a beta-diiminate zinc catalyst with a norbornene carboxylate initiator, we achieved living block copolymerizations of functionalized cyclohexene oxides and CO2, yielding norbornenyl-terminated macromonomers with variable block sequences. Subsequent ring-opening metathesis polymerization of the norbornenyl-terminated macromonomers produced segmented graft copolymers. This method provides a facile route to core-shell structures with readily controllable molecular parameters.

引用

页码：7878 / 7883

页数：6