Dielectric relaxation studies. III. Allyl bromide and allyl ethers in liquid state

Abstract

Complex dielectric permittivity measurements are reported at radio and microwave frequencies for four allyl compounds in the temperature range 30–70 °C. The analysis of dielectric data in terms of Cole–Cole arc, multiple relaxation times, and Higasi's distribution function reveals that the overall molecular rotation is the dominant relaxation mechanism in these unsaturated compounds. The activation parameters are evaluated assuming dielectric relaxation to be a rate process.