ZEOLITE-FILLED NATURAL RUBBER LATEX FOR GAMMA RAYS RADIATION SHIELDING APPLICATION

Ihda Novia Indrajati, Indiah Ratna Dewi, Dolly Gusrizal, Ahmad Roisus Syifa

Abstract


The objective of this research was evaluating the application of zeolite-filled natural rubber latex as a gamma ray shielding material. Parameters studied were the linear attenuation coefficient (μL), effectiveness of shielding by calculating half value layer (HVL) and the effect of irradiation on rubber crosslink density performed by swelling experiments. The samples were prepared either by dipping or by casting process with various zeolite concentrations. Gamma ray radiation used 137Cs as the source with the energy of 780 keV. The result findings showed that the linear attenuation coefficient was dependent on zeolite concentration for the dipped samples, while for casted samples were independent. Irradiation greatly affected the crosslink density of casted samples, while dipped samples showed little changes or remains unchanged.

Keywords: zeolite, latex, gamma ray, shielding, attenuation


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