1985•Advances in Polymer TechnologyRequires access

Glass transition temperature in polymer blends

L. A. Utracki

Abstract

Abstract The Couchman equation for miscible blends has been extended. The new semiempirical equation, w1ln(Tg/Tg1) + kw2ln(Tg/Tg2) = 0, is simple to use and flexible enough to provide an adequate description of Tg variation with composition for miscible, semimiscible, and immiscible blends. The equation parameter k indicates the blend miscibility.

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Available abstract

Key concepts: Miscibility, Materials science, Polymer blend, Glass transition, Thermodynamics, Spinodal decomposition, Polymer, Polymer chemistry