摘要
This study deals with polydimethylsiloxane(PDMS)/polyvinylidene fluoride(PVDF) composite membranes for propane separation from propane/nitrogen mixtures,which is relevant to the recovery of propane in petroleum and chemical industry.The surface and cross-section morphology of PDMS/PVDF composite membranes was observed by scanning electron microscope(SEM).The surface morphology of PDMS/PVDF composite membranes is very dense.There are three layers,the thin dense top layer,finger-like porous middle layer and s...
This study deals with polydimethylsiloxane(PDMS)/polyvinylidene fluoride(PVDF) composite membranes for propane separation from propane/nitrogen mixtures,which is relevant to the recovery of propane in petroleum and chemical industry.The surface and cross-section morphology of PDMS/PVDF composite membranes was observed by scanning electron microscope(SEM).The surface morphology of PDMS/PVDF composite membranes is very dense.There are three layers,the thin dense top layer,finger-like porous middle layer and s...
基金
supported by the China Postdoctoral Science Foundation(No20060400436)
the Major State Basic Research Program of China(No2009CB623404)
National Natural Science Foundation of China(Nos20736003,20676067)
National High Technology Research and Development Program of China(No2007AA06Z317)
Foundation of Ministry of Education of China(No20070003130)
Foundation of the State Key Laboratory of Chemical Engineering(SKL-ChE-08A01)
