Abstract
AbstractPolysalicylide, a condensation product of acetylsalicylic acid, was irradiated with 60Co‐γ‐rays. Viscosity, end‐group analysis, and ultraviolet (UV) spectral measurement technique, and electrical conductivity were used to study the changes that occurred during γ‐radiolysis. It was observed that polysalicylide undergoes chain scission caused by weak links. The enthalpy of fusion is 16.0 and 13.4KJ/mol−1 repeat units of polysalicylide in air and N2, respectively. The indirect effective band gap decreased and electrical conductivity increased after irradiation.
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