Rapid Synthesis, Characterization, and Physicochemical Analysis of Biopolymer-Based Graft Copolymers (original) (raw)

International Journal of Polymer Analysis and Characterization, 2011

Abstract

Cellulose biofiber-based graft copolymers (cellulose-g-PMMA) were rapidly synthesized under the influence of microwave radiation (MWR) through free radical–induced graft copolymerization of methyl methacrylate (MMA) onto modified cellulosic biofibers in aqueous medium. The effect of different polymerization parameters such as reaction time, initiator molar ratio, monomer concentration, amount of solvent, and microwave power on grafting percentage was studied to get the maximum percentage of grafting (64.87%). XRD, FT-IR, SEM, and TGA were used to characterize the graft copolymers. The graft copolymers have been found to be more moisture resistant and also exhibited better chemical and thermal resistance.

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