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Chitosan/Poly(acrylic acid-co-crotonic acid) Semi-IPN의 합성, 분석 및 팽윤거동
Hossein Hosseinzadeh,Darioush Alijani 한국고분자학회 2014 폴리머 Vol.38 No.5
A semi-interpenetrating polymer network (semi-IPN) hydrogel composed of crosslinked chitosan and poly(acrylic acid-co-crotonic acid) was prepared in the presence of glutaraldehyde (GA) as a crosslinker. Fourier-transforminfrared, thermogravimetric analysis and scanning electron microscopy were employed to confirm the structure of thesemi-IPN hydrogel. The swelling capacity of hydrogel was shown to be affected by the monomers weight ratio, chitosancontent, initiator and GA concentrations. The results also indicated that the semi-IPN hydrogel had different swellingcapacity at various pHs. Additionally, the swelling behavior of the hydrogel was investigated in aqueous solutions of NaCl, CaCl2, and AlCl3.