Perylene as an Organic Photocatalyst for the Radical Polymerization of Functionalized Vinyl Monomers through Oxidative Quenching with Alkyl Bromides and Visible Light
Perylene as an Organic Photocatalyst for the Radical Polymerization of Functionalized Vinyl Monomers through Oxidative Quenching with Alkyl Bromides and Visible Light
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DOI：
10.1021/ma502044f
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发表时间：
2014-12-09
期刊：
影响因子：
5.5
通讯作者：
Theriot, Jordan C.
中科院分区：
文献类型：
--
作者：
Miyake, Garret M.;Theriot, Jordan C.
本文描述了在有机可见光催化剂中，由烷基溴化物通过氧化猝灭途径生成碳中心自由基。这种方法被用于引发甲基丙烯酸甲酯和其他官能化的乙烯基单体的自由基聚合。聚合物具有溴化链端基团，可用于重新引发聚合以产生嵌段共聚物。通过脉冲光序列可以控制聚合反应的传播，而利用自然光促进碳碳键形成的能力可以生产分散度低至1.29的聚合物。
The generation of carbon-centered radicals from alkyl bromides through an oxidative quenching pathway using perylene as an organic visible-light photocatalyst is described. This methodology is used to initiate the radical polymerization of methyl methacrylate and other functionalized vinyl monomers. The polymers possess bromide chain-end groups that can be used to reinitiate polymerization to produce block copolymers. Control over the polymerization propagation can be achieved through pulsed light sequences while the ability to use natural sunlight to promote carboncarbon bond formation produces polymers with dispersity as low as 1.29.