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	Performance control of asymmetric poly(phthalazinone ether sulfone ketone) ultrafiltration membrane using gelation
	Qin, Peiyong ; Han, Binbing ; Chen, Cuixian ; Li, Jiding ; Sun, Benhui
	2010-10-12 ; 2010-10-12
关键词	PPESK Gelation Kinetics Gelation Temperature Non-solvent Phase Inversion IMMERSION PRECIPITATION PHASE-INVERSION POLYSULFONE MEMBRANES FORMATION MECHANISM MASS-TRANSFER MODEL Chemistry, Multidisciplinary Engineering, Chemical
中文摘要	We Studied the influence of the gelation conditions oil the formation kinetics of the polyphthalazine ether sulfone ketone (PPESK) membrane via wet phase inversion process experimentally and theoretically. Membrane formation and its morphology were first observed with ail online optical microscope - CCD camera system. The resulting membranes prepared under various gelation conditions were then characterized by the gelation parameter, optical microscope, and SEM. Lastly, the relationship between the final membrane structure/permeation properties and the gelation parameter was discussed extensively. The results showed that both the gelation rate and the membrane flux increased dramatically as the gelation temperature increased. Moreover, the membrane structures became loose, and the porosity of membrane increased. Different non-solvent Could change the solubility parameter between the polymer and the non-solvent, and thus the gelation rate greatly. With the increasing number of carbons in non-solvent, the gelation rate became slow, and the membrane gradually changed from a finger structure into a sponge structure. Adding NMP into the non-solvent changed the difference in the chemical potential and the solubility parameter between the polymer Solution and the non-solvent, which in turn changed the gelation rate of polymer solution greatly. With the increasing concentration of NMP in non-solvent, the gelation rate became very slow and sponge Structures formed with the non-solvent system of 80% NMR A novel conclusion Could be made that we Could control the flux and reject of membrane just by changing the mean diffusion coefficient of skill, D, and the diffusion coefficient of skill, D,, ill the process of membrane formation,
语种	英语 ; 英语
出版者	KOREAN INST CHEM ENGINEERS ; SEOUL ; #307 REGENT RIVER VIEW OFFICE, 547-8 KUI-DONG SUNGDONG-KU, SEOUL 133-200, SOUTH KOREA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/79575]
专题	清华大学
推荐引用方式 GB/T 7714	Qin, Peiyong,Han, Binbing,Chen, Cuixian,et al. Performance control of asymmetric poly(phthalazinone ether sulfone ketone) ultrafiltration membrane using gelation[J],2010, 2010.
APA	Qin, Peiyong,Han, Binbing,Chen, Cuixian,Li, Jiding,&Sun, Benhui.(2010).Performance control of asymmetric poly(phthalazinone ether sulfone ketone) ultrafiltration membrane using gelation..
MLA	Qin, Peiyong,et al."Performance control of asymmetric poly(phthalazinone ether sulfone ketone) ultrafiltration membrane using gelation".(2010).

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