Equation of State and Entropy Theory Approach to Thermodynamic Scaling in Polymeric Glass-Forming Liquids
Jack F. Douglas,
Wen-Sheng Xu
Abstract:Numerous experimental and computational studies have established that most liquids seem to exhibit a remarkable, yet poorly understood, property termed 'thermodynamic scaling' in which the structural relaxation time τ α , and many other dynamic properties, can be expressed in terms of a 'universal' reduced variable, T V γ , where T is the temperature, V is the material volume, and γ is a scaling exponent describing how T and V are linked to each other when either quantity is varied. Here, we show that this sca… Show more
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