Rate Evalution of the Graft Polymerization of Buthylmethacrylate and Acrylic acid onto Carboxymethylcellulose
1Department of Chemistry, Science Faculty, Islamic Azad University, Arak Branch, Arak (Iran).
2Deaprtment of Enghlish, Faculty of Humanities, Ialamic Azad University, Arak Branch, Arak (Iran).
Corresponding author E-mail: m-sadeghi@iau-arak.ac.ir
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Graft copolymerization of Buthylmethacrylate (BMC) and Acrylic acid (AcA) onto carboxymethylcellulose (CMC) was carried out under argon atmosphere in a homogeneous aqueous medium by using ceric ammonium nitrate (CAN) as an initiator. A plausible reaction mechanism of grafting has been suggested. According to the empirical rates of the polymerization and the graft copolymerization of BMC and AcA onto CMC backbone, the overall activation energy of the graft copolymerization reaction was estimated to be 29.8 kJ/mol.
KEYWORDS:Carboxymethylcellulose; Buthylmethacrylate; Acrylic acid; Graft copolymerization
