MISC

2005年4月

Microporous poly(vinyl methyl ether) hydrogels prepared by gamma-ray irradiation at different heating rates

RADIATION PHYSICS AND CHEMISTRY
  • R Kishi
  • ,
  • H Kihara
  • ,
  • T Miura
  • ,
  • H Ichijo

72
6
開始ページ
679
終了ページ
685
記述言語
英語
掲載種別
DOI
10.1016/j.radphyschem.2004.05.049
出版者・発行元
PERGAMON-ELSEVIER SCIENCE LTD

We prepared thermoresponsive and microporous polymer hydrogels by gamma-ray irradiation of aqueous solutions poly(vinyl methyl ether) (PVME) at different heating rates. Under all temperature programs, opaque and heterogeneous PVME gels formed, which swelled at temperatures below the lower critical solution temperature and shrank at temperatures above it. All of the samples contained porous and phase-separated structures. The shape and size of the gel pores varied depending on the temperature programs. Gels having a sponge-like continuous porous structure formed only when the radiation-induced crosslinking was carried out at an optimum heating rate, which we found to be 0.11-0.13degreesC min(-1). For temperature changes between 10degreesC and 40degreesC, gels with this structure showed rapid volume transitions on a time scale of about a minute. (C) 2004 Elsevier Ltd. All rights reserved.

Web of Science ® 被引用回数 : 11

リンク情報
DOI
https://doi.org/10.1016/j.radphyschem.2004.05.049
CiNii Articles
http://ci.nii.ac.jp/naid/80017256773
Web of Science
https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000227520600005&DestApp=WOS_CPL
ID情報
  • DOI : 10.1016/j.radphyschem.2004.05.049
  • ISSN : 0969-806X
  • CiNii Articles ID : 80017256773
  • Web of Science ID : WOS:000227520600005

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