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Graft copolymerization of N-vinylpyrrolidone onto gelatin

✍ Scribed by Jian-Ping Gao; Zhi-Chong Li; Ming-Zhi Huang

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
387 KB
Volume
55
Category
Article
ISSN
0021-8995

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✦ Synopsis

The graft copolymerization of N-vinylpyrrolidone (VP) onto gelatin in aqueous medium, with a,d-azobisisobutylonitrile as initiator, has been studied. The effects of various reaction parameters such as temperature, reaction time, as well as the concentrations of initiator, monomer, and gelatin on the percentage of grafting and grafting efficiency were also studied. The chain-transfer constant of isopropanol in this system was calculated. Finally, the grafted samples were analyzed with IR, DSC, TEM, and SEM measurements.

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