Premium
Latent skin in asymmetric loeb‐type hollow fiber membrane
Author(s) -
Castellari Carlo,
Francesconi Romolo,
Ottani Stefano,
Comelli Fabio,
Pezzin Giovanni
Publication year - 1988
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.760280208
Subject(s) - evaporation , materials science , diffusion , solvent , fiber , membrane , chemical engineering , thermodynamics , chemical physics , composite material , mechanics , polymer chemistry , organic chemistry , chemistry , physics , biochemistry , engineering
A computer simulation model for the latent skin growth inside a hollow fiber polymeric membrane Is developed. The evaporation step is studied using a solvent evaporation Law and a concentration‐dependent diffusion coefficient, both derived from data. The solvent concentration profiles inside the fiber are obtained as a function of the evaporation time for different sets of the parameters governing the internal diffusion and the surface evaporation of the solvent. The computer model enables estimation of the role of the parameters in the growth of the asymmetric latent skin.