Ceric-induced grafting of acrylate monomers onto sodium alginate

The graft copolymerization of methyl acrylate (MA) and methyl methacrylate (MMA) onto sodium alginate (SA) with ceric ammonium nitrate (CAN) as a redox initiator in an aqueous medium has been studied. The optimized reaction conditions affording the maximum percentage of grafting of MA and MMA onto S...

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Bibliographic Details
Published inCarbohydrate polymers Vol. 26; no. 1; pp. 61 - 67
Main Authors Shah, S.B., Patel, C.P., Trivedi, H.C.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 1995
Elsevier Science
Subjects
Applied sciences
Exact sciences and technology
Natural polymers
Physicochemistry of polymers
Starch and polysaccharides
Graft copolymer
Methyl acrylate copolymer
Temperature effect
Cerium IV
Alginates
Experimental study
Methyl methacrylate copolymer
Grafting
Optimization
Oside polymer
Yield
Kinetics
Heterogeneous reaction
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Summary:The graft copolymerization of methyl acrylate (MA) and methyl methacrylate (MMA) onto sodium alginate (SA) with ceric ammonium nitrate (CAN) as a redox initiator in an aqueous medium has been studied. The optimized reaction conditions affording the maximum percentage of grafting of MA and MMA onto SA are determined by varying the concentrations of nitric acid, ceric ammonium nitrate, SA, MA and MMA, and also temperature and time. A comparison of the reactivity of the acrylate monomers with that of acrylonitrile has been made.
ISSN:0144-8617
1879-1344
DOI:10.1016/0144-8617(95)98836-6