شماره ركورد كنفرانس :
5041
عنوان مقاله :
Kinetics of Polymer Precipitation of PVDF Membranes by Phase Inversion
Author/Authors :
T. Kikhavani Chemical Engineering Department - Faculty of Engineering - Ilam University, Ilam, Iran , R. Balooti Chemical Engineering Department - Faculty of Engineering - Ilam University, Ilam, Iran , M. T. Moghadam Research institute of petroleum industry, Tehran, Iran , F. Rekabdar Research institute of petroleum industry, Tehran, Iran
كليدواژه :
Poly (vinylidene fluoride) , polymer solution , time lag
عنوان كنفرانس :
The 10th International Chemical Engineering Congress & Exhibition (IChEC 2018)
چكيده فارسي :
فاقد چكيده فارسي
چكيده لاتين :
In this study, the concentration of solvent in the coagulation bath as a function of time for polymeric solutions was studied. Poly vinylidene fluoride (PVDF) as polymer, Dimethylacetamide (DMAc) as solvent, PEG and LiCl as additives, were used. The concentration of solvent in the coagulation bath is related to the non-solvent and solvent exchange rate. The result showed that time lag in the non-solvent and solvent exchange is due to the distance of sampling location from the cast film and also, the high viscosity of the solution due to additives, which leads to increasing in the mass transfer resistance of phase separation.
