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Synthesis of graft copolymers of xyloglucan and acrylonitrile

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JournalPOLYMERS FOR ADVANCED TECHNOLOGIES
DatePublished - Feb 2008
Issue number2
Volume19
Number of pages6
Pages (from-to)99-104
Original languageEnglish

Abstract

Xyloglucan (XG), a water-soluble food grade polysaccharide is reported as a substrate for the graft copolymerization of acrylonitrile (AN). XG was extracted from tamarind seed mucilage. Polymerization was initiated both by ceric ion in aqueous medium under N-2 atmosphere and with microwave (MW) irradiation. The progress of the reaction was monitored gravimetrically. The effect of different reaction parameters such as monomer concentration, level of ceric ammonium nitrate/HNO3 (CAN) initiator, reaction time and temperature, and MW power on the percent grafting (PG) was studied. Grafting of polyacrylonitrile (PAN) onto XG was confirmed by Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), and scanning electron microscope (SEM) techniques have been used to study the thermal and morphological changes in the materials. Copyright (C) 2007 John Wiley & Sons, Ltd.

    Research areas

  • polysaccharide, polyacrylonitrile, graft copolymers, microwave, FTIR, SEM, DSC, METHYL-METHACRYLATE, VINYL MONOMERS, G-POLYACRYLONITRILE, STARCH, POLYMERIZATION, CELLULOSE, MIXTURES, MUCILAGE, NITRATE, WOOL

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