Light-induced controlled free radical polymerization of methacrylates using iron-based photocatalyst in visible light

被引：23

作者：

Bansal, Ankushi ^{[1
]}

Kumar, Pawan ^{[1
]}

Sharma, Chandra D. ^{[2
]}

Ray, Siddharth S. ^{[1
]}

Jain, Suman L. ^{[1
]}

机构：

[1] Indian Inst Petr, CSIR, Div Chem Sci, Dehra Dun 248005, Uttarakhand, India

[2] Indian Inst Petr, CSIR, Analyt Sci Div, Dehra Dun 248005, Uttarakhand, India

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2015年 / 53卷 / 23期

关键词：

monomers; photochemistry; photopolymerization; GRAPHENE OXIDE; PHOTOREDOX CATALYST; METHYL-METHACRYLATE; RECENT PROGRESS; SURFACE; COMPLEX; NANOPARTICLES; DEGRADATION; CHEMISTRY; OXIDATION;

D O I：

10.1002/pola.27744

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A novel visible light mediated catalytic system based on low cost iron complex, that is, Fe(bpy)(3)(PF)(6) photocatalyst that initiates and control the free radical polymerization of methacrylates using ethyl -bromoisobutyrate (EBriB) as an initiator and 20 watt LED as light source is developed. The polymerization is initiated with turning the light on and immediately terminated by turning the light off. In addition, the molecular weight of polymer can be varied by changing the ratio of monomer and initiator. The merits of the present methodology lie in the use of low cost less precious, highly abundant iron-based photocatalyst, avoidance of sacrificial donor and need of lower catalyst amount under visible light. The optimum amount of catalyst and initiator were established and successful polymerization of various methacrylates was achieved under the optimized polymerization conditions. (c) 2015 Wiley Periodicals, Inc.

引用

页码：2739 / 2746

页数：8

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