期刊
MACROMOLECULAR CHEMISTRY AND PHYSICS
卷 208, 期 9, 页码 979-987出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/macp.200600555
关键词
amphiphilic polymers; hydrogen bonding; interpolymer complexes; lower critical solution temperature; stimuli-responsive polymers; stimuli-sensitive polymers; synthesized
Amphiphilic copolymers have been synthesised by free radical copolymerisation of 2-hydroxyethyl acrylate with butyl acrylate, the reactivity ratios of which indicate practically equal reactivity. The copolymers containing less than 30 mol-% of BA were soluble in water and exhibited a LCST in aqueous solutions. It was found that the interaction between these copolymers and poly(acrylic acid) in aqueous solutions resulted in the formation of interpolymer complexes stabilised by hydrogen bonds and hydrophobic interactions. This interaction was significantly affected by solution I pH and led to modification of the temperature-responsive behaviour of the copolymers.
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