Radiation chemical synthesis of polyethylene oxide hydrogel containing DCH18C6 crown ether: A new approach

被引：0
|
作者：
O. A. Zakurdaeva
S. V. Nesterov
V. I. Feldman
机构：
[1] Russian Academy of Sciences,Enikolopov Institute of Synthetic Polymer Materials
[2] Karpov Institute of Physical Chemistry,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2004年 / 261卷
关键词：
Oxide; Polymer; Ether; Molecular Weight; Inorganic Chemistry;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Polyethylene oxide hydrogels containing physically immobilized dicyclohexano-18-crown-6 were prepared by radiation chemical synthesis. Doses of gel formation were found to depend on the molecular weight of the polyethylene oxide and were about 20 and 4 kGy for Mw of 105 and 3·106, respectively. An increase in the crown ether concentration resulted in the decrease of the efficiency of hydrogel formation, whereas the effect of polymer concentration was less pronounced. It was found that dicyclohexano-18-crown-6 immobilized in the PEO hydrogel showed relatively high resistance toward washout in aqueous media.
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页码：245 / 248
页数：3
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