An article comprising an adhesion promotor coating

Details An article comprising an adhesion promotor coating An article comprising an adhesion promotor coating

C - Chemistry, Metallurgy

09

J

C09J 123/10 (2006.01) C09J 123/00 (2006.01)

Patent

CA 2674813

It is desired to find a new class of adhesion promoters to adhere the granules to the asphalt. Generally, the application is directed to an article comprising a substrate and a coating on the substrate, wherein the coating comprises a polyolefin. The substrate may be a roofing granule. In certain embodiments, the polyolefin is a chemically modified polyolefin. In some embodiments, the coating comprises a photocatalytic material.

L'invention concerne une nouvelle catégorie de promoteurs d'adhérence pour mettre en adhérence les granules sur l'asphalte. L'invention concerne en général un article comprenant un substrat et un revêtement sur le substrat, le revêtement comprenant une polyoléfine. Le substrat peut être un granule de couverture. Selon certains modes de réalisation, la polyoléfine est une polyoléfine chimiquement modifiée. Selon certains modes de réalisation, le revêtement comprend un matériau photocatalytique.

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