Graft copolymerization of methacrylic acid (MetAc) onto potato starch using H 2 O 2 /Fe ++ redox system was investigated. The best conditions of the grafting reaction were determined and several variables were studied: initiator and monomer concentrations, time, and temperature. Percent grafting efficiency, percent grafting, percent grafted monomer conversion, and total conversion were obtained. The optimum graft yield was obtained at 7.3 × 10 −3 M H 2 O 2 concentration and it was favored by increasing the methacrylic acid concentration and reaction time.
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Goñi et al. (1989) studied this question.
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