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Mechanistic studies on ceric-amine initiated aqueous polymerization of methylmethacrylate by endgroup analysis

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Summary

Endgroup analysis of polymethylmethacrylate obtained by initiation with Ceric ion-amine initiator systems in acid aqueous media has been carried out using Palit's dye partition technique. The amines used are diethylamine, triethylamine, mono-ethanolamine, diethanol amine and triethanol amine and also ethylene diamine. All the amines incorporated amine endgroups in the polymer samples to the extent of approximately one endgroup per chain, except ethylene diamine which incorporated approximately two amine endgroups per macromolecule. Besides amine endgroups, the three ethanol amines incorporated hydroxyl endgroups to different extents depending on the hydroxyl content of the particular compound. In the light of endgroup results initiation through amine, ethylene diamine or ethanol amine radicals have been suggested. Probable termination mechanism has also been discussed.

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  1. Department of Cbemistry, University of Kalyani, Kalyani, Kalyani Wlest Bengal, India

    D. Pramanick

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  1. D. Pramanick
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Pramanick, D. Mechanistic studies on ceric-amine initiated aqueous polymerization of methylmethacrylate by endgroup analysis. Colloid & Polymer Sci 257, 41–45 (1979). https://doi.org/10.1007/BF01539015

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  • DOI: https://doi.org/10.1007/BF01539015

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