Articles having an interface between a polymer surface and a...

C - Chemistry – Metallurgy – 03 – C

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C03C 17/34 (2006.01)

Patent

CA 2704483

An article includes (a) a glass substrate having a modified surface that comprises a glass surface and a layer of nanoscale inorganic oxide particles disposed in contact with and bound to at least a portion of the glass surface, and (b) a poly-mer layer disposed in contact with and bound to the modified glass surface. A method for improving the hydrolytic stability of an interface of a glass surface and a polymer surface, includes the step of, prior to forming the interface of the glass surface and the polymer surface, treating at least a portion of the glass surface with nanoscale inorganic oxide particles to modify the glass surface by depositing a quantity of such particles on the portion of the surface.

L'invention porte sur un article, qui comprend (a) un substrat en verre ayant une surface modifiée qui comprend une surface en verre et une couche de particules d'oxyde minéral d'échelle nanométrique disposée en contact avec et liée à au moins une partie de la surface en verre, et (b) une couche polymère disposée en contact avec et liée à la surface en verre modifiée. L'invention porte également sur un procédé pour améliorer la stabilité hydrolytique d'une interface d'une surface en verre et d'une surface polymère, qui comprend l'étape consistant, avant de former l'interface de la surface en verre et de la surface polymère, à traiter au moins une partie de la surface en verre avec des particules d'oxyde minéral d'échelle nanométrique pour modifier la surface en verre par dépôt d'une certaine quantité de ces particules sur la partie de la surface.

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