نتایج جستجو برای: lscf

تعداد نتایج: 127  

2014
Pellegrino Musto Michele Galizia Pietro La Manna Marianna Pannico Giuseppe Mensitieri

In this contribution the diffusion of methanol in a commercial polyimide (PMDA-ODA) is studied by coupling gravimetric measurements with in-situ, time-resolved FTIR spectroscopy. The spectroscopic data have been treated with two complementary techniques, i.e., difference spectroscopy (DS) and least-squares curve fitting (LSCF). These approaches provided information about the overall diffusivity...

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