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Graft copolymerization of acrylonitrile and methacrylonitrile onto gelatin by mutual irradiation method

✍ Scribed by Inderjeet Kaur; Raghuvir Barsola; Anita Gupta; B. N. Misra

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
341 KB
Volume
54
Category
Article
ISSN
0021-8995

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✦ Synopsis

In order to improve upon certain properties of gelatin graft copolymerization of acrylonitrile ( A N ) and methacrylonitrile (MAN) onto gelatin has been studied in aqueous medium using y rays as a source of initiation. Optimum conditions for affording maximum percentage of grafting have been evaluated as a function of various reaction parameters. The grafted polyacrylonitrile (PAN) was isolated from the graft copolymer by acid hydrolysis, and the average molecular weight ( M u ) of the isolated polymer has been determined viscometrically. The graft copolymers were characterized by IR spectroscopic methods and thermogravimetric analysis (TGA) . Acrylonitrile was found to be more reactive than methacrylonitrile toward graft copolymerization.

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