Photoinduced Metal-Free Atom Transfer Radical Polymerization of Acrylonitrile

被引：316

作者：

Pan, Xiangcheng ^{[1
]}

Lamson, Melissa ^{[1
]}

Yan, Jiajun ^{[1
]}

Matyjaszewski, Krzysztof ^{[1
]}

机构：

[1] Carnegie Mellon Univ, Dept Chem, Pittsburgh, PA 15213 USA

来源：

ACS MACRO LETTERS | 2015年 / 4卷 / 02期

基金：

美国国家科学基金会;

关键词：

PHOTOSENSITIZED CATIONIC-POLYMERIZATION; CHAIN TRANSFER; METHYL-METHACRYLATE; ORGANIC CATALYSTS; ELECTRON-TRANSFER; PPM AMOUNTS; ACTIVATORS; NANOCARBONS; POLYMERS; ATRP;

D O I：

10.1021/mz500834g

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 [高分子化学与物理];

摘要：

Photoinduced metal-free atom transfer radical polymerization has been successfully extended to the synthesis of polyacrylonitrile (PAN) with predictable molecular weights and low dispersities. This was achieved using phenothiazine derivatives as photoredox catalysts, which activate dormant alkyl bromides to reversibly form propagating radicals. Both H-1 NMR spectroscopy and chain-end extension polymerization show highly preserved Br chain-end functionality in the synthesized PAN.

引用

页码：192 / 196

页数：5

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