Copolymerizations of alkyl methacrylates with vinyltriacetoxysilane |
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Authors: | G.N. Babu D.R. Atodaria Anjali Deshpande |
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Affiliation: | Department of Chemistry, Indian Institute of Technology, Bombay 400076, India |
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Abstract: | Copolymerizations of methyl methacrylate (MMA) and butyl methacrylate (BMA) with vinyltriacetoxysilane (VTAS) have been carried out in bulk at 70°. The compositions of the copolymers were determined from their silicon contents; the reactivity ratios were calculated by the Kelen-Tüdős method. For MMA/VTAS, r1 = 7.75 ± 0.31 and for BMA/VTAS, r1 = 4.62 ± 0.15; in both systems, r2 is zero, indicating that VTAS does not homopolymerize under the experimental conditions. The influence of the silicon comonomer on properties of the copolymers, such as solubility annd thermal behaviour, was studied. |
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