Stained bituminous materials, process for obtaining said...

D - Textiles – Paper – 06 – N

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D06N 5/00 (2006.01) C08J 3/20 (2006.01) C09D 17/00 (2006.01) C09D 195/00 (2006.01)

Patent

CA 2253081

The invention involves a process for obtaining stained bituminous materials consisting in applying on at least one side of the material to be treated a pigment and resin based aqueous colouring compound whose solubility domain is limited, drying the material covered with the colouring composition, and impregnating it with bitumen.

L'invention consiste en un procédé d'obtention de matériaux bitumineux teintés consistant à : - appliquer sur au moins une face du matériau à traiter une composition colorante aqueuse à base de pigments et de résine dont le domaine de solubilité est restreint, - sécher le matériau revêtu de la composition colorante, - puis l'imprégner de bitume.

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