Surface coatings

D - Textiles – Paper – 06 – M

Patent

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Details

D06M 14/18 (2006.01) D06M 10/02 (2006.01)

Patent

CA 2334631

A method of coating a surface with a polymer layer, which method comprises exposing said surface to a plasma comprising one or more organic monomeric compounds, at least one of which comprises two carbon-carbon double bonds, so as to form a layer of cross-linked polymer on said surface. Suitable organic compounds include compounds of formula (I) where R1, R2, R3, R4, R5, and R6 are all independently selected from hydrogen, alkyl, haloalkyl or aryl optionally substituted by halo; and Z is a bridging group. The method is suitable for applying oil and/or water repellent coatings onto substrates such as fabrics.

La présente invention concerne un procédé permettant de recouvrir une surface avec une couche polymère, et consistant à exposer cette surface à un plasma contenant un ou plusieurs composés organiques monomères, dont au moins un renferme deux liaisons doubles carbone-carbone, de manière à former une couche de polymère réticulé sur la surface précitée. Les composés organiques appropriés comprennent des composés représentés par la formule (I), dans laquelle R?1¿, R?2¿, R?3¿, R?4¿, R?5¿, et R?6¿ sont tous individuellement sélectionnés dans le groupe constitué par hydrogène, alkyle, haloalkyle ou aryle éventuellement substitué par halo; Z étant un groupe de pontage. Ce procédé peut être utilisé pour appliquer des revêtements oléophobes ou hydrophobes sur des substrats tels que les textiles.

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