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Grafting onto Wool - XXIX. Gamma Rays-Initiated Graft Copolymerization of Ethyl Acrylate and Methyl Acrylate by Mutual Method

G. S. Chauhan, I. Kaur, B. N. Misra, and B. R. Rawat

Department of Chemistry, Himachal Pradesh University, Shimla-171005, India


Abstract: Ethyl acrylate and methyl acrylate have been graft-copolymerized onto wool fibre under nitrogen atmosphere using gamma rays as initiator. Relative mass increase of grafting (wrig) has been determined as a function of total dose and monomer concentration. The effect of solvent composition and of H2SO4 as additive has been studied in air: too. It is interesting to note that grafting is higher when an optimum ratio w(H2O):w(MeOH) is used as compared to that obtained in pure H2O or MeOH as reaction medium.. Addition of H2SO4 promotes grafting. Grafting is higher in nitrogen atmosphere. A plausible mechanism to explain these results has been suggested.

Full paper in Portable Document Format: 523a182.pdf


Chemical Papers 52 (3) 182–185 (1998)

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