Abstract
Abstract Dimethyl itaconate was grafted onto microcrystalline cellulose (MCC) by using ceric ammonium nitrate in dilute nitric acid as the redox initiator. The grafting reactions were carried out in the presence of an oxygen atmosphere. The percentages of grafting, grafting efficiency, and homopolymer were found to depend on monomer, nitric acid, and initiator concentrations as well as reaction time and reaction temperature. The thermal behavior of MCC and grafted MCC were studied by dynamic thermogravimetric analysis and differential scanning calorimetry. The results obtained show that the graft copolymer is thermally less stable than unreacted MCC.
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