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Microwave‐assisted preparation of temperature sensitive poly( N ‐isopropylacrylamide) hydrogels in poly(ethylene oxide)‐600
Author(s) -
Shi Shaohua,
Liu Lijian
Publication year - 2006
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.24519
Subject(s) - self healing hydrogels , poly(n isopropylacrylamide) , swelling , materials science , ethylene oxide , polymer chemistry , lower critical solution temperature , chemical engineering , monomer , fourier transform infrared spectroscopy , poly ethylene , yield (engineering) , copolymer , oxide , ethylene , composite material , chemistry , polymer , organic chemistry , catalysis , engineering , metallurgy
In this article, a series of poly( N ‐isopropylacrylamide) (PNIPAM)‐based hydrogels were prepared under microwave irradiation using poly(ethylene oxide)‐600 (PEO‐600) as reaction medium and microwave‐absorbing agent as well as pore‐forming agent. All of the temperature measurements, gel fractions, and FTIR analyses proved that the PNIPAM hydrogels were successfully synthesized. Within 1 min, the PNIPAM hydrogel with a 98% yield was obtained under microwave irradiation. The PNIPAM hydrogels thus prepared exhibited controllable properties such as pore size, equilibrium swelling ratios, and swelling/deswelling rates when changing the feed weight ratios of monomer ( N ‐isopropylacrylamide, NIPAM) to PEO‐600. These properties are well adapted to the different requirements for their potential application in many fields such as biomedicine. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102:4177–4184, 2006