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Temperature-Responsive Graft Copolymers with Poly(propylene glycol) Side Chains

✍ Scribed by Yasushi Maeda; Miki Tsubota; Isao Ikeda

Book ID
102494320
Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
101 KB
Volume
24
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

The phase behavior of graft copolymers in aqueous solution was investigated. The graft copolymers consist of poly(propylene glycol) (PPG) side chains and N,N‐dimethylacrylamide (dMA), N‐vinylimidazole (VIm), and N‐isopropylacrylamide (iPA), respectively, as backbones. Phase transition temperatures of the PPG copolymers increased with increasing the content of dMA and iPA as relatively more hydrophilic comonomers and with an increase in the degree of ionization of the incorporated VIm units.

Chemical structure of the graft copolymers

magnified imageChemical structure of the graft copolymers

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