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Dynamic mechanical and thermomechanical properties of silicone‐polycarbonate block copolymers
Author(s) -
Maung W.,
Chua K. M.,
Ng T. H.,
Williams H. Leverne
Publication year - 1983
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760230805
Subject(s) - materials science , polycarbonate , vicat softening point , heat deflection temperature , composite material , glass transition , dynamic mechanical analysis , copolymer , silicone , thermomechanical analysis , softening point , polydimethylsiloxane , polymer , ultimate tensile strength , thermal expansion , izod impact strength test
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 ( T g ), heat‐deflection temperatures ( T d ), Vicat softening temperatures ( T s ), coefficients of linear expansion (α), stress‐strain, and stress relaxation for four PDMS‐BPAPC block co‐polymers are presented. The effect of casting films from mixed n‐hexane‐methylene chloride solution on the thermomechanical and dynamic mechanical properties was also studied.