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Biodegradation of gelatin graft copolymers. III
Author(s) -
Kumar G. Sudesh,
Kalpagam V.,
Nandi U. S.
Publication year - 1985
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1985.070300213
Subject(s) - gelatin , acrylonitrile , copolymer , monomer , grafting , biodegradation , polymer chemistry , acrylate , polymer , methyl acrylate , materials science , aqueous solution , chemical engineering , nuclear chemistry , chemistry , organic chemistry , composite material , engineering
Gelatin‐ g ‐poly(methyl acrylate) and gelatin‐ g ‐poly(acrylonitrile) copolymers were prepared in an aqueous medium using K 2 S 2 O 8 initiator. A plausible mechanism has been put forward for the observed grafting behavior of monomers. Gelatin‐ g ‐PAN showed a greater resistance to mixed bacterial inolucum compared to gelatin‐ g ‐PMA samples. The rate of degradation decreased with the increase in grafting efficiency. A parallel set of experiments carried out by employing the samples as the only source of both carbon and nitrogen showed a marginal but definite increase in the utilization of the polymer. The nitrogen analysis also showed the utilization of the polymer. Scanning electron micographs of the polymer films do show extensive pitting after microbiological testing.