Water absorption and moisture permeation properties of chitosan/poly(acrylamide-co-itaconic acid) IPC films

被引：45
作者：
Bajpai, M. [1 ]
Bajpai, S. K. [1 ]
Jyotishi, Pooja [1 ]
机构：
[1] Govt Model Sci Coll, Polymer Res Lab, Dept Chem, Jabalpur 482001, MP, India
来源：
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES | 2016年 / 84卷
关键词：
Polyelectrolyte complex films; Swelling; pH; Water vapor transmission rate; Hydrogels; DRUG-DELIVERY; POLYELECTROLYTE COMPLEXES; MOLECULAR-WEIGHT; WOUND DRESSINGS; IN-VITRO; CHITOSAN; HYDROGELS; DISSOLUTION; COMPOSITES; SCAFFOLDS;
D O I：
10.1016/j.ijbiomac.2015.11.088
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
In this work, aqueous solutions of chitosan (Ch) and [poly(acrylamide(AAm)-co-itaconicacid(IA)1 have been mixed to yield Ch/poly(AAm-co-IA) Inter-polyelectrolyte complex (IPC) films. The films were characterized by FTIR, X-ray diffraction (XRD) and thermo gravimetric analysis (TGA). There was remarkable increase in the crystalline nature of IPC films. The films were investigated for their water absorption capacity in the physiological fluid (PF) of pH 7.4 at 37 degrees C. The amount of IA present in the film forming solutions affected the water absorption behavior of the resulting films. The dynamic water uptake data were interpreted by various kinetic models. The effect of pH on the swelling ratio (SR) indicated that the films showed highest swelling in lower as well as higher pH media. The water vapor transmission rates (WVTR) were obtained in the range of 6000-6645 g/m(2)/day. (C) 2015 Elsevier B.V. All rights reserved.
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页码：1 / 9
页数：9
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