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.
Chemical stability, Diffusion coefficient, Polymer composites, Radiation shields