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  • Chem Sci Trans., 2015, 4(1),  pp 282-288  

    DOI:10.7598/cst2015.968

    Research Article

    Effect of Lead Monoxide as a Filler on Chemical Stability of Unsaturated Polyester Radiation Shields

  • V. HARISH1*, T. NIRANJANA PRABHU2 and N. NAGAIAH3
  • 1Department of Physics, Government First Grade College, Shimoga-577201, India
    2Department of Chemistry, MS Ramaiah University of Applied Sciences, Bangalore–560058, India
    3Department of Physics, Bangalore University, Bangalore-560056, India
  • Abstract

    Polymer composite radiation shields of Isophthalate based unsaturated polyester resin filled with different concentrations of lead monoxide were investigated for chemical resistance against diffusion of water, sulphuric acid and sodium hydroxide. Pristine polymer was observed to exhibit an excellent stability to all the solvents used. Filled composites were also observed to exhibit good stability against distilled water and H2SO4 solution. However, lower stability was observed in NaOH solution due to the reaction between sodium hydroxide and lead monoxide. The effect of filler concentrations on solvent sorption and surface morphology were also discussed.

    Keywords

    Chemical stability, Diffusion coefficient, Polymer composites, Radiation shields

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