High repellency materials via nanotopography and post treatment

Details High repellency materials via nanotopography and post treatment High repellency materials via nanotopography and post treatment

B - Operations, Transporting

01

J

B01J 19/08 (2006.01) B82B 3/00 (2006.01) C09K 3/18 (2006.01)

Patent

CA 2745788

A method is provided for making a high repellency material. In one embodiment the method includes the steps of providing a polymeric material having an external surface including particle- like nanotopography, etching the external surface with a high energy treatment; and depositing a fluorochemical onto the etched external surface by a plasma fluorination process.

La présente invention concerne un procédé de fabrication de matériaux à forte résistance au mouillage. Dans un mode de réalisation, le procédé consiste à obtenir un matériau polymère dont une surface externe présente une nanotopographie de type particules, graver la surface externe par un traitement de haute énergie, et déposer une substance chimique fluorée sur la surface externe gravée par un procédé de fluoration par plasma.

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