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    • Terpolymerization of 2-ethoxy ethylmethacrylate, styrene and maleic anhydride: determination of the reactivity ratios

      C S Sanmathi S Prasannakumar B S Sherigara

      Polymers Volume 27 Issue 3 June 2004 pp 243-249

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/boms/027/03/0243-0249

    • Keywords

       

      Terpolymerization; 2-ethoxyethyl methacrylate; reactivity ratio.

    • Abstract

       

      Terpolymerization of 2-ethoxyethyl methacrylate (2-EOEMA), styrene (St) and maleic anhydride (Ma) initiated by benzoyl peroxide was carried out in acetone as common solvent for three monomers. The structure and composition of terpolymer were determined by FTIR spectroscopy by recording analytical absorption bands for St (3002 cm-1), Ma (1781 cm-1) and 2-EOEMA (1261 cm-1) units, respectively. The reactivity ratios for the monomers were calculated according to the general copolymerization equations following the Finnemann–Ross and Kelen–Tudos models. The results show that terpolymerization were carried out through primary ``complex" mechanism at near-binary copolymerization of [St...Ma] complex with 2-EOEMA. Structure of the resulting terpolymer illustrated by 1H-NMR and differential scanning calorimeter showed reduction in 𝑇g value.

    • Author Affiliations

       

      C S Sanmathi1 S Prasannakumar2 B S Sherigara1

      1. Department of Industrial Chemistry, Kuvempu University, Jnana Sahyadri, Shankaraghatta, Shimoga 577 451, India
      2. Fosroc Chemicals (India) Limited, Kuluvanahalli, Bangalore 562 111, India

    • Dates

       
      Published
      June 2004
      Manuscript received
      23 January 2004

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