期刊
POLYMER
卷 42, 期 1, 页码 65-69出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0032-3861(00)00296-2
关键词
water-soluble polymers; piperazine; lower critical solution temperature
Water-soluble copolymers of N-acryloyl-N'-alkylpiperazine (alkyl: methyl, ethyl) with methyl methacrylate were synthesized and the lower critical solution temperatures (LCSTs) of the copolymers which depend on the compositions and pH of the aqueous solutions are described. The effects of cationic surfactants and simple inorganic salts on the LCSTs are also reported. The influences of pH and temperature on the swelling of the ionizable and thermosensitive hydrogels are studied. (C) 2000 Elsevier Science Ltd. All rights reserved.
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