JIANG Chunyue, CHENG Rong, GAO Jianrong. MASS TRANSFER IN DYNAMIC SUPERCRITICAL FLUID DEVOLATILIZATION PROCESS FOR POLYMER SYSTEMS[J]. CIESC Journal, 2004, (4): 550-554.
JIANG Chunyue, CHENG Rong, GAO Jianrong. MASS TRANSFER IN DYNAMIC SUPERCRITICAL FLUID DEVOLATILIZATION PROCESS FOR POLYMER SYSTEMS[J]. CIESC Journal, 2004, (4): 550-554.DOI:
Volatile matter quantities of styrene/polystyrene (ST/PS) system at different times were determined by dynamic supercritical fluid devolatilization (SFDV) using pure CO2 at 343K at 18MPa and different flows of 1.93
3.27 and 5.62 L8226;min-1 gas CO2
to investigate mass transfer out of polymer matrix in dynamic SFDV process. An ideal diffusion model was derived by means of mass transfer theory.Comparison of model predictions with experimental results showed that the model reflected the essential features of polymer dynamic SFDV process.The model is useful in the design of industrial polymer SFDV process and quantitative analysis of volatile matter in polymer matrices.