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Citation: Xiao Chaobo, Ren Shaozhi, Wu Lili. Chromic Acid Initiated Grafting of Acrylonitrile onto Ramie Fibers[J]. Chinese Journal of Applied Chemistry, ;1998, 15(1): 113-115. shu

Chromic Acid Initiated Grafting of Acrylonitrile onto Ramie Fibers

Department of Chemistry, Wuhan University, Wuhan 430072

Received Date: 7 April 1997
Revised Date: 10 September 1997

Graft copolymerization of acrylonitrile onto ramie fibers has been carried out with chromic acid as initiator. The effects of the concentrations of chromic acid, AN and H⁺ as well as temperature an a time of polymerlzation on the graft ratio, yield of homopolymer have been examined. The optimum conditions of grafting are:concentration of chromic acid 6 × 10^-3 mol/L, of AN 2.0 mol/L, of H⁺ 0.8 mol/L, temperature 40 ℃ and time 20 h.
- ramie fiber,
- acrylonitrile,
- graft copolymerization,
- chromic acid
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