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A contribution to the study of the thermodynamics of poly(vinyl chloride) solutions

J. Polavka and L. Lapčík

Department of Physical Chemistry, Slovak Technical University, CS-812 37 Bratislava

 

Abstract:  The solutions of two fractions of poly(vinyl chloride) (PVC) in N,N-dimethylformamide (DMFA), cyclohexanone (CYH), and dioxan were thermodynamically characterized. The second virial coefficients and the values of interaction parameters χ were determined osmometrically for each solvent at three temperatures. Moreover, the rate of free diffusion in solutions of PVC in the above-mentioned solvents was studied as a function of composition and temperature. The thermodynamic and hydrodynamic factors of the diffusion coefficient were determined. The dependence of both factors on composition and temperature is described.

Full paper in Portable Document Format: 386a721.pdf

 

Chemical Papers 38 (6) 721–730 (1984)

Wednesday, September 28, 2022

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