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IJPAP Vol.48(11) [November 2010] >


Title: Graft-copolymerization of N-vinyl-2-pyrrolidone onto isotactic polypropylene film by gamma radiation using peroxidation method
Authors: Sehgal, Teena
Rattan, Sunita
Keywords: Gamma radiation
Isotactic polypropylene film
Hydrogels
Grafting
Swelling
Issue Date: Nov-2010
Publisher: NISCAIR-CSIR, India
Abstract: Isotactic polypropylene (IPP) films were modified through radiation-induced grafting of N-vinyl-2-pyrrolidone (NVP) with the aim of preparing hydrogels. The radioactive isotope cobalt-60 was used as the source of gamma radiation. A plausible mechanism of grafting has been proposed. The grafting conditions were optimized with respect to monomer concentration, time, temperature and amount of solvents. The structures of grafted films were characterized by FTIR, AFM and SEM studies. IPP-g-NVP films were investigated for their swelling behaviour as a function of different pH solutions. The prepared grafted films can have potential applications in the fields of controlled drug delivery systems.
Page(s): 823-829
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.48(11) [November 2010]

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