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Water sorption of poly(propylene glycol)/poly(acrylic acid) interpenetrating polymer network hydrogels

✍ Scribed by Seon Jeong Kim; Ki Jung Lee; Sun I. Kim


Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
276 KB
Volume
55
Category
Article
ISSN
1381-5148

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## Abstract An interpenetrating polymer network (IPN) hydrogel based on poly(propylene glycol) and poly(acrylic acid) was prepared by UV irradiation. The swelling behavior of the IPN hydrogel was studied by the immersion of the gel in aqueous NaCl solutions of various concentrations. The swelling r

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## Abstract Semi‐interpenetrating network (semi‐IPN) hydrogels, composed of poly(aspartic acid) (PAsp) and poly(acrylic acid) (PAAc) with various ratios of PAsp to AAc, were prepared. In this work, swelling kinetics was investigated through calculating some parameters. The swelling ratios were meas