Formation of IPN organic-inorganic polymer hybrids utilizing the photodimerization of thymine |
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Authors: | Yusuke Imai Tomoki Ogoshi Kensuke Naka Yoshiki Chujo |
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Affiliation: | (1) Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan, JP |
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Abstract: | Summary
Formation of an interpenetrating polymer network (IPN) composed of organic polymer gel and silica gel in the form of polymer
hybrids was conducted by utilizing the photodimerization of thymine bases. Thymine-modified poly(2-methyl-2-oxazoline) (POZO-T)
was synthesized by the condensation reaction of partially hydrolyzed polyoxazoline and 1-(2-carboxyethyl)thymine. Organic-inorganic
polymer hybrids were prepared from POZO-T and tetramethoxysilane (TMOS). Transparent and homogeneous polymer hybrids could
be obtained. The photodimerization and the reverse reaction of thymine in the polymer hybrids were monitored by the UV absorption
spectroscopy.
Received: 27 March 2000/Revised version: 5 June 2000/Accepted: 15 June 2000 |
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Keywords: | |
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