Phosphazene-promoted anionic polymerization

被引：50

作者：

Zhao, Junpeng ^{[1
]}

Hadjichristidis, Nikolaos ^{[1
]}

Gnanou, Yves ^{[2
]}

机构：

[1] KAUST, Catalysis Ctr, Polymer Synth Lab, Div Phys Sci & Engn, Thuwal 23955, Saudi Arabia

[2] KAUST, Div Phys Sci & Engn, Thuwal 23955, Saudi Arabia

来源：

POLIMERY | 2014年 / 59卷 / 01期

关键词：

controlled anionic polymerization; metal-free polymerization techniques; phosphazene bases; mechanism in situ activation; RING-OPENING POLYMERIZATION; N-HETEROCYCLIC CARBENES; PROTON-TRANSFER POLYMERIZATION; OXIDE) SIDE-CHAINS; METAL-FREE; BLOCK-COPOLYMERS; ETHYLENE-OXIDE; ALKYLLITHIUM INITIATORS; (METH)ACRYLIC MONOMERS; BRUSH COPOLYMERS;

D O I：

10.14314/polimery.2014.049

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In the recent surge of metal-free polymerization techniques, phosphazene bases have shown their remarkable potential as organic promoters/catalysts for the anionic polymerization of various types of monomers. By complexation with the counterion (e.g. proton or lithium cation), phosphazene base significantly improve the nucleophilicity of the initiator/chain-end resulting in rapid and usually controlled anionic/quasi-anionic polymerization. In this review, we will introduce the general mechanism, i.e. in situ activation (of initiating sites) and polymerization, and summarize the applications of such a mechanism on macromolecular engineering toward functionalized polymers, block copolymers and complex macromolecular architectures.

引用

页码：49 / 59

页数：11

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