期刊
POLYMER
卷 47, 期 22, 页码 7611-7614出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2006.09.020
关键词
photolysis; polymerization; benzodioxinone
A new photoinitiating system for free radical polymerization of methyl methacrylate (MMA) is reported. This system consists of benzodioxinone and hydrogen donors such as triethylamine (TEA), N,N-dimethyl ethanol amine (DMEA) and tetrahydrofuran (THF). A feasible mechanism involves photoinduced formation of benzophenone from benzodioxinone and subsequent hydrogen abstraction of photoexcited benzophenone from hydrogen donors to yield radicals capable of initiating polymerization of MMA. (c) 2006 Elsevier Ltd. All rights reserved.
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