Reversible Formation of Interpenetrating Polymer Network Structure in Organic-Inorganic Polymer Hybrids

被引：0
|
作者：
Yusuke Imai
Kensuke Naka
Yoshiki Chujo
机构：
[1] Kyoto University,Department of Polymer Chemistry, Graduate School of Engineering
来源：
Polymer Journal | 1998年 / 30卷
关键词：
Organic-Inorganic Polymer Hybrids; Sol-Gel Reaction; Poly(2-methyl-2-oxazoline); Coumarin; Reversible Photo-Dimerization; Interpenetrating Polymer Network; Solvent-Resistant Property;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new strategy to prepare organic-inorganic polymer hybrids having interpenetrating polymer network (IPN) structure is presented. Polymer hybrids were synthesized from poly(2-methyl-2-oxazoline) having coumarin moieties as reversibly photo-crosslinkable side groups (4). It was found that the concentration of acid catalyst for sol-gel reaction of tetramethoxysilane (TMOS) was essential to obtain transparent and homogeneous polymer hybrids. Reversible photo-dimerization of coumarin groups took place in the polymer hybrids by the irradiation of light with different wavelengths. The resulting polymer hybrids are IPN of organic gel and silica gel. Solvent-resistant property of the polymer hybrids was improved by formation of the IPN structure.
引用
收藏
页码：990 / 995
页数：5
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