Lignin based paint

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 197/00 (2006.01) C09D 7/12 (2006.01) C09D 133/02 (2006.01)

Patent

CA 2354017

A method is provided for producing a painted article comprising: (a) preparing a lignin solution comprising lignin and a dye or pigment; (b) mixing the lignin solution with a phenol oxidizing enzyme; (c) incubating the mixture from said step (b) under conditions and for a time sufficient to form a solution of a desired viscosity; (d) contacting or spreading the mixture from the step (c) on an article to be painted; and (e) allowing the mixture to set onto the article by subjecting the article to conditions and for a time sufficient to form a paint on the surface of the article.

L'invention concerne un procédé de production d'un article peint, le procédé consistant : (a) à préparer une solution à base de lignine contenant de la lignine et un colorant ou pigment ; (b) à mélanger la solution à base de lignine avec une enzyme d'oxydation de phénol ; (c) à incuber le mélange de la phase (b) dans des conditions déterminées et pendant une durée suffisante pour former une solution possédant une viscosité voulue, (d) à mettre en contact le mélange de la phase (c) avec un article à peindre ou à l'étaler sur cet article ; et (e) à permettre la prise du mélange sur l'article en soumettant l'article à des conditions déterminées et pendant une durée suffisante pour qu'une peinture se forme à la surface de l'article.

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