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논문 기본 정보

자료유형
학술대회자료
저자정보
Shin, Se-Jong (Department of Chemical Engineering, Yonsei University) Im, Se-Jun (Department of Chemical Engineering, Yonsei University) Park, Seung-Ryul (Department of Chemical Engineering, Yonsei University) Lee, Seung-Yun (Department of Chemical Engineering, Yonsei University) Min, Byoung-Ryul (Department of Chemical Engineering, Yonsei University)
저널정보
한국막학회 한국막학회 하계 Workshop 한국막학회 2003년도 The 4th Korea-Italy Workshop
발행연도
2003.1
수록면
107 - 114 (8page)

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This study investigated the effect of 2-methoxy ethanol (2-Me) non-solvent as additive included in casting solution. Macroporous polymer membranes were prepared by using polyethersufone (PES)/N-methyl-2-pyrrolidone (NMP)/2-Me casting solution and water coagulant. The phase separation co-process of the vapor-induced phase separation (VIPS) and liquid-induced phase separation (LIPS) were used by means of membrane preparation method. The pore size and pore size distribution were controlled with additive (non-solvent), and measured with Automated Perm Porometer. By increasing additive (non-solvent) in the casting solution, the membranes produced changed from finger structure to sponge structure. That is due to the different diffusion rates. At slow diffusion process, sponge-like structure was formed and at fast diffusion process, finger-like structure was formed. Also relative humidity, evaporation time, temperature of casting solution and coagulation bath etc. had effects on the pore size distribution and the porosity of the membrane.

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