Radiation graft copolymerization of acrylic acid and N-isopropylacrylamide from binary mixtures onto polytetrafluoroethylene

被引：21
|
作者：
Palacios, O [1 ]
Aliev, R [1 ]
Burillo, G [1 ]
机构：
[1] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
来源：
POLYMER BULLETIN | 2003年 / 51卷 / 03期
关键词：
D O I：
10.1007/s00289-003-0213-5
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Acrylic acid and N-isopropylacrylamide were grafted from their binary mixtures in water onto polytetrafluoroethylene films gamma-preirradiated in air. Effects of preirradiation dose as well as temperature of grafting on efficiency of this process were investigated, the optimal values of dose and temperature were 20 kGy and 50 degreesC, respectively. The calculated monomers reactivity ratios by their graft copolymerization (r(1) and r(2)) were 0.35 and 0.01, respectively. The grafted copolymers exhibited a temperature-responsive character in the range of 17-30degreesC.
引用
收藏
页码：191 / 197
页数：7
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