Studies in effect of γ‐radiation on synthetic fibres‐I

Polyester and polyamide yarns have been exposed to γ‐rays with varying doses of irradiation, both in vacuum and in the presence of air. The changes in such properties of the polymers as melting point, relative viscosity, tensile strength, and dye absorption have been investigated. The results of the present study indicate that, though with higher doses there is degradation of the polymer, under controlled conditions certain desirable properties of the fibre are greatly improved without affecting the mechanical strength.