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IJCT Vol.14(2) [March 2007] >


Title: Synthesis, characterization and kinetic studies of PEMA grafted acacia gum
Authors: Samui, S
Ghosh, A K
Ali, Md A
Chowdhury, P
Keywords: Acacia gum
Graft polymerization
Reaction kinetics
FTIR
Biodegradation
Issue Date: Mar-2007
Publisher: CSIR
IPC CodeC08F246/00
Abstract: Graft polymerization of ethyl methacrylate (EMA) onto acacia gum (AG) has been studied. The grafting was found to be optimal under the following reaction conditions: gum 0.4 g/dL, monomer 0.066 mol/dL, H₂SO₄ 0.037 mol/dL, ceric ammonium sulphate 0.0009 mol/dL, temperature 50ºC and time 3.5 h. FTIR spectroscopy was used for the confirmation of grafting. Thermal, physical and biodegradation properties of the copolymer were studied. A probable mechanism of polymerization has been suggested based on reaction kinetics.
Page(s): 126-133
ISSN: 0971–457X
Source:IJCT Vol.14(2) [March 2007]

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