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A Novel Approach to Prepare Porous Poly(N-isopropylacrylamide) Hydrogel with Superfast Shrinking Kinetics

✍ Scribed by Jian-Tao Zhang; Klaus D. Jandt

Book ID
102497366
Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
228 KB
Volume
29
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

In this study, the hydrophobic liquid template method was firstly used to prepare temperature sensitive, porous poly(N‐isopropylacrylamide) (PNIPAAm) hydrogel. During the radical polymerization, hydrophobic polydimethylsiloxane (PDMS) and surfactant sodium dodecyl sulfate (SDS) were used as liquid templates and stabilizer, respectively. After removal of the liquid templates, porous PNIPAAm hydrogel was obtained. This gel exhibited superfast shrinking properties when being transferred from below to above the lower critical solution temperature (LCST), which was ascribed to the interconnected porous structures.

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