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Inner Pore of Porous Fluoropolymer to Hydrophilic by using UV Light and H20 Vapor

Published online by Cambridge University Press:  10 February 2011

Shinsuke Ito  and
Masataka Murahara
Shinsuke Ito
Affiliation:
Faculty of Electrical Engineering, Tokai University 1117 Kitakaname Hiratsuka Kanagawa 259-1292 JAPAN
Masataka Murahara
Affiliation:
Faculty of Electrical Engineering, Tokai University 1117 Kitakaname Hiratsuka Kanagawa 259-1292 JAPAN
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Abstract

Inner pores of porous PTFE was modified photochemically by using ArF excimer laser for improvement of water permeability. In this study, two modification methods are described. One is using ethanol solution, and another is H20 vapor as a reaction gas. These reaction sources were employed for modification of inner pores. In the case of using ethanol solution, the modified sample indicates both hydrophilication and oleophilication. On the contrary, the hydrophilic groups are substituted into the inner pore with H20 vapor. The hydrophilication of modified samples were evaluated by the measurement of contact angle with water and water permeability. The substituted OH radicals were inspected by ATR-FTIR measurement.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 544: Symposium Y – Plasma Deposition and Treatment of Polymers , 1998 , 51
Copyright
Copyright © Materials Research Society 1999

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References

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