Hydrophobic Modification of PVDF

Xiao Xing Shen; Wen Fang Yang; Qing Fu Zhang

doi:10.4028/www.scientific.net/MSF.687.658

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Fretting Wear and Microstructure of Plasma Carburized TiAl Alloy
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HomeMaterials Science ForumMaterials Science Forum Vol. 687Hydrophobic Modification of PVDF

Hydrophobic Modification of PVDF

Abstract:

For preparation of an architecture membrane with hydrophobic properties, a method combining supercritical carbon dioxide (scCO2 ) and low temperature plasma treatment was used. The effects of treating time, pressure and temperature in scCO2 fluid on surface hydrophobic property were studied. The results showed that the contact angle of the membrane that was firstly modified by low temperature plasma and then treated in scCO₂ fluid was up to 141°from 80°. In addition, the optimal hydrophobic modification conditions in scCO₂ were 100°C、25MPa and 6h, and the hydrophobic property of the membrane that treated by plasma improved, the most suitable time was 300s.

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Periodical:

Materials Science Forum (Volume 687)

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658-661

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.687.658

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Online since:

June 2011

Authors:

Xiao Xing Shen, Wen Fang Yang, Qing Fu Zhang

Keywords:

Graft, Hydrophobic Modification, Plasma, PVDF, Supercritical Carbon Dioxide

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