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Graft Copolymerization of Vinyl Acetate on Gum Arabic. Effect of Amount of Substrate
Inegbedion F, Okojie VU and Egharevba F
The graft copolymerization of vinyl acetate onto Gum Arabic in aqueous medium was studied using benzoyl peroxide in the presence of polyvinyl alcohol. The effect of amount of substrate (Gum Arabic) over the range 2 g to 6 g was investigated. It was found that the graft level and grafting efficiency decreases with increase in the amount of substrate. This indicates that a low number of grafting sites may have been created on the substrate.
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