ISSN print edition: 0366-6352 ISSN electronic edition: 1336-9075 Registr. No.: MK SR 9/7 Published monthly

Kinetics of the vinyl chloride-vinyl acetate copolymer dissolution in cyclohexanone

J. Očadlík, J. Herain, and L. Lapčík

Department of Physical Chemistry, Slovak Technical University, 880 37 Bratislava

Abstract:  The kinetics of the vinyl chloride — vinyl acetate copolymer dissolution in cyclohexanone was studied. The values of the induction periods t_Q and the rates of dissolution u_0c are presented. The kinetic study was performed with four samples. The composition of copolymers was determined by chromatographic analysis of the gaseous products after the pyrolysis of samples (650°C). It has been found that the values of activation parameters corresponding to the diffusion dissolving process vary with temperature in the interval between 10 and 40°C which indicates a low value of T_g occurring in this temperature range.

Full paper in Portable Document Format: 282a151.pdf

Chemical Papers 28 (2) 151–156 (1974)