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Aqueous polymerization of clay surface

1. The polymerization of methylmethacrylate on hydrogen bentonite: Effect of alcohols

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Summary

Methylmethacrylate has been successfully polymerized to high conversions and high molecular weight polymers with aqueous suspension of hydrogen-bentonite in the presence of aliphatic alcohols. Both extractable and non-extractable polymers were obtained. The overall initial rates of polymerization increased with increasing ethanol concentrations. The constancy in the viscosity average moles of polymer at higher ethanol concentrations indicates that transfer to alcohol was unimportant. E.s.r. and x-ray studies suggest a free radical mechanism for such polymerizations. It has been postulated that interlamellar silicate layers are responsible for generating the free radicals.

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Authors and Affiliations

  1. Department of Chemistry, University of North Bengal, 734430, Darjeeling, India

    S. Talapatra, S. K. Saha & S. K. Chakravarti

  2. Institute of Polymer Science, The University of Akron, 44325, Akron, OH, USA

    S. C. Guhaniyogi

Authors
  1. S. Talapatra
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  2. S. K. Saha
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  3. S. K. Chakravarti
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  4. S. C. Guhaniyogi
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Talapatra, S., Saha, S.K., Chakravarti, S.K. et al. Aqueous polymerization of clay surface. Polymer Bulletin 10, 21–27 (1983). https://doi.org/10.1007/BF00263233

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  • DOI: https://doi.org/10.1007/BF00263233

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