Grafting of methyl methacrylate to nitrocellulose by ceric ions

Sudhakar, D. ; Srinivasan, K. S. V. ; Joseph, K. T. ; Santappa, M. (1979) Grafting of methyl methacrylate to nitrocellulose by ceric ions Journal of Applied Polymer Science, 23 (10). pp. 2923-2928. ISSN 0021-8995

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Studies were carried out on grafting of various vinyl monomers to nitrocellulose by ceric ions. It was observed that graft copolymerization occurred only with methyl methacrylate (MMA) and methyl acrylate monomer. The variables such as initiator concentration, monomer concentration, time of grafting, and nitrocellulose content on grafting of MMA are discussed. By hydrolyzing away the nitrocellulose backbone, the grafted poly(methyl methacrylate) branches were isolated and the >c=o peak at 1740 cm−1 in the infrared spectra of these isolated branches gave definite evidence of grafting. The molecular weight of isolated branches has been determined by viscometry. The probable mechanism of grafting may be at the α-carbon atom of primary alcohol or at a C2-C3 glycol group of the anhydro glucose unit or at the hemiacetal group of the end unit of nitrocellulose, as nitrocellulose is formed by the partial nitration of cotton cellulose.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons.
ID Code:43309
Deposited On:11 Jun 2011 06:33
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