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pH/temperature-responsive behaviors of semi-IPN and comb-type graft hydrogels composed of alginate and poly(N-isopropylacrylamide)

✍ Scribed by Hee Kyung Ju; So Yeon Kim; Young Moo Lee

Book ID
108366380
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
193 KB
Volume
42
Category
Article
ISSN
0032-3861

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pH/temperature-responsive semi-IPN hydro
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## Abstract Amino semitelechelic poly(__N__‐isopropylacrylamide) (PNIPAAm) was prepared by radical polymerization with aminoethanethiol hydrochloride as a chain‐transfer agent. Semi‐interpenetrating polymer network (semi‐IPN) hydrogels, composed of alginate and amine‐terminated PNIPAAm, were prepar

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## Abstract A pH sensitive hydrogel was obtained by __γ__‐ray radiation polymerization of AAc in aqueous solution. The temperature sensitive monomer NIPAAm or the same pH sensitive AAc monomer was then grafted to the PAAc hydrogel with gamma radiation. The comb‐type graft polymers obtained __net__‐