title: Water absorption and moisture permeation properties of chitosan/poly(acrylamide-co-itaconic acid) IPC films.
abstract: In this work, aqueous solutions of chitosan (Ch) and [poly(acrylamide(AAm)-co-itaconicacid(IA)] 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 °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.
authors.affiliation: Polymer Research Laboratory, Department of Chemistry, Govt. Model Science College, Jabalpur (MP) - 482001, India.
authors.forename: M
authors.initials: M
authors.lastname: Bajpai
authors.affiliation: Polymer Research Laboratory, Department of Chemistry, Govt. Model Science College, Jabalpur (MP) - 482001, India. Electronic address: sunil.mnlbpi@gmail.com.
authors.forename: S K
authors.initials: SK
authors.lastname: Bajpai
authors.affiliation: Polymer Research Laboratory, Department of Chemistry, Govt. Model Science College, Jabalpur (MP) - 482001, India. Electronic address: Pooja.jyotishi@gmail.com.
authors.forename: Pooja
authors.initials: P
authors.lastname: Jyotishi
mesh_terms: D000180:Acrylic Resins / Q000737:chemistry*; D000327:Adsorption; D048271:Chitosan / Q000737:chemistry*; D020100:Hydrogels / Q000737:chemistry; D006863:Hydrogen-Ion Concentration; D008970:Molecular Weight; D011108:Polymers; D012995:Solubility; D017550:Spectroscopy, Fourier Transform Infrared; D013386:Succinates / Q000737:chemistry*; D014867:Water / Q000737:chemistry*; D014961:X-Ray Diffraction; D000099166:Polyacrylamides
chemical_list: D000180:Acrylic Resins; D048271:Chitosan; D020100:Hydrogels; D011108:Polymers; D013386:Succinates; D014867:Water; D000099166:Polyacrylamides; C005229:itaconic acid
keywords: Hydrogels; Polyelectrolyte complex films; Swelling; Water vapor transmission rate; pH