Dynamic mechanical and thermomechanical properties of silicone‐polycarbonate block copolymers

Abstract

Representative random, alternating block copolymers of polydimethylsiloxane (PDMS) and bisphenol-A-polycarbonate (BPAPC) were studied by thermomechanical and dynamic mechanical techniques. Data on glass transition temperatures (Tg), heat-deflection temperatures (Z'd), Vicat softening temperatures (Z' J, coefficients of linear expansion (a), stressstrain, and stress relaxation for four PDMS-BPAPC block copolymers are presented. The effect of casting films from mixed n-hexane-methylene chloride solution on the thermomechanical and dynamic mechanical properties was also studied.Sample Code %Sia nb -M" d u g