Photocatalytic colored roofing granules

Details Photocatalytic colored roofing granules Photocatalytic colored roofing granules

E - Fixed Constructions

04

D

E04D 1/22 (2006.01) A01N 59/16 (2006.01) A01P 13/00 (2006.01) C09C 3/06 (2006.01) C09D 1/00 (2006.01) D06N 5/00 (2006.01)

Patent

CA 2680296

Algae-resistant roofing granules include a mineral core; and an exterior coating including clay, colloidal silica, phosphate, a metal oxide, and a photocatalytic particulate having an average size under 100 nm.

La présente invention concerne des granules de couverture résistants aux algues qui comprennent un cAEur minéral ; et un revêtement extérieur comprenant de l'argile, de la silice colloïdale, du phosphate, un oxyde de métal, et un matériau particulaire photocatalytique ayant une taille moyenne inférieure à 100 nm.

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