화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.15, No.3, 393-397, May, 2009
DOI10.1016/j.jiec.2008.11.017  Export Citation
Effect of surface modifying macromolecules on the properties of poly(vinylidene fluoride) membranes
Dae Sik Kim, Dae Hoon Kim1, Byung Seong Lee1, Go Young Moon2, Hyung Keun Lee3, Nam Sang Yong4, and Ji Won Rhim1, †
  • Institute for Chemical Process and Environmental Technology, National Research Council, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
  • 1Department of Chemical Engineering, Hannam University, 461-6 Junmin-dong, Yuseong-gu, Daejeon 305-811, Republic of Korea
  • 2Advanced Sci. & Tech. Division, LS Industrial Systems Co., Ltd., Gyeonggi-do, Anyang 431-080, Republic of Korea
  • 3Korea Institute of Energy Research, 71-2 Jang-dong, Yuseong-gu, Daejeon 305-343, Republic of Korea
  • 4Department of Polymer Science and Engineering, Engineering Research Institute, Gyeongsang National University, Jinju 660-701, Republic of Korea
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Poly(vinylidene fluoride) (PVDF) membranes were surface-modified using fluorotelemer intermediate Zonyl BA-L as a fluorinated surface modifying macromolecules (SMM) additives in the concentration range from 0 to 2 wt.%. Prepared membranes were characterized by contact angle measurement, electron spectroscopy for chemical analysis (ESCA), scanning electron microscopy (SEM), and pervaporation test. The experimental results showed that SMM migrated to the surface and effectively increased the surface hydrophobicity of the PVDFmembranes. The pure water permeation flux evaluated by pervaporation decreased with an increase in the content of SMM.
Keywords:SMM;PVDF;Pervaporation;Surface modification;Membranes
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