Copolymers of 4(5)-vinylimidazole and ethyleneglycol methacrylate phosphate: Synthesis and proton conductivity properties

被引：21
作者：
Bozkurt, A. [1 ]
Karadedeli, B. [1 ]
机构：
[1] Fatih Univ, Dept Chem, TR-34500 Istanbul, Turkey
来源：
REACTIVE & FUNCTIONAL POLYMERS | 2007年 / 67卷 / 04期
关键词：
4(5)-vinylimidazole; ethyleneglycol methacrylate phosphate; copolymer; proton conductivity; thermal analysis;
D O I：
10.1016/j.reactfunctpolym.2007.01.010
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A series of copolymers were produced by conventional free-radical polymerization of ethyleneglycol methacrylate phosphate (EGMAP) and 4(5)-vinylimidazole (4-VIm) at several feed compositions using DMF as solvent. The copolymers were characterized by H-1 NMR and FT-IR. Copolymer compositions were obtained by elemental analysis. Reactivity ratios of the monomers are equal to: r(1) = 0.12 +/- 0.03 and r2 = 0.19 +/- 0.05 for 4-VIm-EGMAP system that exhibited an alternating behavior. Thermal properties of the dry copolymers were investigated via thermogravimetry analysis (TG) and differential scanning calorimetry (DSC). The ion exchange capacity (IEC) and anhydrous proton conductivities of the samples were measured and analyzed according to copolymer composition. (C) 2007 Elsevier Ltd. All rights reserved.
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页码：348 / 354
页数：7
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