Title: DETERMINANTS OF SWELLING BEHAVIOUR OF METHACRYLAMIDE AND CELLULOSICS BASED HYDROGELS
Page Range: p.591-601
Author(s): Chauhan G S; Bansal M; Mahajan S
File size: 201K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 11
Issue No: No. 7
Abstract
The synthesis and swelling response of some novel hydrogels in different swelling media is studied. Hydroxypropylcellulose based networks with methacrylamide were synthesized in aqueous media in the presence of N,N-methylene bisacrylamide by simultaneous gamma radiation. The reaction conditions such as radiation dose, amount of water and concentrations of monomer and crosslinker were evaluated for optimum network yield. Using these conditions, networks of cellulose and its other derivatives were also synthesized with methacrylamide. Resultant networks are characterized for structural properties by elemental analysis, FTIR, and scanning electron micrography. The swelling behaviour of networks was studied as a function of the synthetic reaction conditions, the nature of polymeric backbones and the nature of the swelling medium. The equilibrium swelling is shown as a function of both structural and environmental factors, since hydrogels are sensitive to their environment. 10 refs.
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