Physics of Polymer Mixtures at High-Pressure

Several physical properties of polymer/gas systems are measured in this lab. Recently we coupled a gravimetric technique with an optical technique to measure, concurrently, fully experimentally, solubility, diffusivity, interfacial tension and specific volume of polymer/gas mixtures up to 250°C and 13.5MPa. The technique has been reported on Polymer Testing journal in 2011.

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Scheme of the sorption experiment and Axisymmetric Drop Shape Analysis (ADSA) coupling and picture of the samples and, below, a view of the Rubotherm magnetic suspension balance with the BG dosing system and the view cell installed on the balance.




Ref. Giuseppe Mensitieri@           Ernesto Di Maio@

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