B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 5/08 (2006.01) B05D 1/28 (2006.01)
Patent
CA 2511259
A method is provided for applying a water repellant coating over a substrate surface. The surface is contacted with at least one coating composition including at least one perfluoroalkylalkylsilane, at least one hydrolyzable primer, e.g., a silane and/or siloxane, and at least one non-halogenated, e.g., non-fluorinated, alkylsilane. The perfluoroalkylalkylsilane and non- fluorinated alkylsilane can be selected such that the effective chain length of the non-fluorinated alkylsilane is equal to or longer than the effective chain length of the perfluoroalkylalkylsilane.
La présente invention concerne un procédé pour appliquer un revêtement hydrofuge à la surface d'un substrat. La surface est mise en contact avec au moins une composition de revêtement comprenant au moins un perfluoroalkylalkylsilane, au moins un agent de revêtement primaire hydrolysable, par ex. un silane et/ou un siloxane, et au moins un alkylsilane non halogéné, par ex. non fluoré. Le perfluoroalkylalkylsilane et l'alkylsilane non fluoré peuvent être choisis de sorte que la longueur de chaîne réelle de l'alkylsilane non fluoré est supérieure ou égale à la longueur de chaîne réelle du perfluoroalkylalkylsilane.
Goodwin George B.
Lin Chia-Cheng
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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