Potassium persulfate–thiourea redox couple has been employed to graft poly(methyl methacrylate) onto wool in the presence of air under different reaction conditions. Graft copolymers were characterized by scanning electron micrographs, thermogravimetry, etc. The effect of additives on graft copolymerization has been studied, and a suitable reaction mechanism has been proposed.
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Shukla et al. (1987) studied this question.