UV irradiation-induced crosslinking of solid poly(ethylene oxide) modified with tetraalkyl ammonium salt

被引：42

作者：

Doytcheva, M

Stamenova, R ^{[1
]}

Zvetkov, V

Tsvetanov, CB

机构：

[1] Bulgarian Acad Sci, Inst Polymers, BU-1113 Sofia, Bulgaria

[2] Bulgarian Acad Sci, Cent Lab Phys Chem Mech, BU-1113 Sofia, Bulgaria

来源：

POLYMER | 1998年 / 39卷 / 26期

关键词：

crosslinked poly(ethylene oxide); quaternary ammonium salts immobilization; photocrosslinking;

D O I：

10.1016/S0032-3861(98)00133-5

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Crosslinked poly(ethylene oxide) (PEO) modified with a quaternary tetraalkyl ammonium salt, ethyl methacrylate dimethyldodecylammonium bromide, was prepared by exposure of the solid blend to ultraviolet radiation from a high-pressure 150 W mercury lamp. The photochemical crosslinking of the blends proceeded in the presence of benzophenone as a hydrogen-abstracting agent. Gel fraction yield exceeded 85%, equilibrium swelling in water varied from 3.0 to 5.0, and the equilibrium swelling in chloroform from 6.5 to 12.5. The networks obtained have been characterized by elemental analysis, i.r., H-1 n.m.r., and d.s.c. measurements and their microstructure, water absorption and equilibrium swelling have been discussed. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：6715 / 6721

页数：7

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Doytcheva M, 1997, J APPL POLYM SCI, V64, P2299, DOI 10.1002/(SICI)1097-4628(19970620)64:12<2299::AID-APP5>3.0.CO

[3]

2-G

[4]

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