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ISSN (PRINT): 0974-7486

Abstrakt

Graft copolymerization of vinyl acetate on gum Arabicusing benzoyl peroxide. Effect of monomer concentration

F.Inegbedion, V.U.Okojie, F.Egharevba


The graft copolymerization of vinyl acetate on gum Arabic was studied in the presence of benzoyl peroxide. The effect of monomer concentration over the range 1.62 – 9.76mol/L was investigated. It was found that the graft level increased steadily but the grafting efficiency decreased gradually. At 9.76mol/Lmonomer concentration, the graft levelwas 123.50%with grafting efficiency of 54.60%as compared to a graft level of 108.50% at 1.62mol/L with grafting efficiency of 65.35%. This indicates an increase in the graft level over the monomer concentration range.


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