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Grafting vinyl monomers on silk fibres—I. Graft copolymerization of methyl methacrylate on silk by tetravalent cerium ion

✍ Scribed by N. Mohanty; B. Pradhan; M.C. Mohanta; H.K. Das

Book ID
103076667
Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
282 KB
Volume
19
Category
Article
ISSN
0014-3057

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✦ Synopsis

The use of tetravalent cerium to initiate graft copolymerization of methyl methacrylate on to silk fibres has been investigated. The extent of grafting was determined while varying Ce(lVt and monomer concentrations, temperature and nature of the fibre. The graft yield increased on increasing Ce(IV) concentration up to 0.015 M and monomer concentration up to 0.469 M; thereafter it decreased. The effect of an inorganic salt (copper sulphate) on grafting has also been studied. Chemical modification of the silk prior to grafting noticeably affected graft yield.

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Grafting vinyl monomers onto silk fibers
Grafting vinyl monomers onto silk fibers. II. Graft copolymerization of methyl methacrylate onto silk by hexavalent chromium ion
✍ Padma L. Nayak; Subasini Lenka; Nrusingha C. Pati 📂 Article 📅 1979 🏛 John Wiley and Sons 🌐 English ⚖ 491 KB 👁 2 views

## Abstract The feasibility of chromium(VI) to induce graft polymerization of methyl methacrylate onto silk was investigated. The rate of grafting was determined by varying monomer concentration, chromium(VI) concentration, temperature, acidity of the medium, nature of the silk, reaction medium, an