Fabrication and characterization of poly(vinyl alcohol)/chitosan hydrogel thin films via UV irradiation

•Reversible swelling and pH-responsive PVA/chitosan films were fabricated.•The gel fraction and swelling degree of the hydrogels can be tuned.•The uniform interporous structures have been observed throughout the films.•A gradient in the crosslinking density through the film thickness was observed.•T...

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Bibliographic Details
Published in:	European polymer journal Vol. 49; no. 12; pp. 4201 - 4211
Main Authors:	Nguyen, Ngoc-Thang, Liu, Jui-Hsiang
Format:	Journal Article
Language:	English
Published:	Kidlington Elsevier Ltd 01-12-2013 Elsevier
Subjects:	Applied sciences Biomedical applications Chitosan Crosslinking and degradation Exact sciences and technology Hydrogel thin films Physicochemistry of polymers Poly(vinyl alcohol) Polymers and radiations Ultraviolet irradiation Poly(vinyl alcohol) Biomedical applications Chitosan Ultraviolet irradiation Hydrogel thin films Acrylic acid copolymer Photochemical crosslinking Swelling Acrylic acid Vinyl alcohol copolymer Experimental study Colloidal gel Polyelectrolyte Polyvinylalcohol Morphology Preparation Reaction mechanism pH Oside polymer Kinetics
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