کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5185970 1381092 2007 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Photochemically initiated free radical promoted living cationic polymerization of isobutyl vinyl ether
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آلی
پیش نمایش صفحه اول مقاله
Photochemically initiated free radical promoted living cationic polymerization of isobutyl vinyl ether
چکیده انگلیسی

A new photoinitiating system for living cationic polymerization of vinyl ethers such as isobutyl vinyl ether (IBVE) has been reported. The photoinitiating system comprises free radical photoinitiators such as 2,2-dimethoxy-2-phenyl acetophenone (DMPA), benzophenone or thioxanthone, together with an onium salt, such as diphenyliodonium chloride and zinc bromide. In the first step, photochemically generated free radicals are oxidized to the corresponding carbocations which subsequently react with vinyl ether monomer to yield an adduct. In the presence of zinc salt, this adduct initiates living cationic polymerization of IBVE.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer - Volume 48, Issue 8, 5 April 2007, Pages 2199-2202
نویسندگان
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