Lignin based coating

Details Lignin based coating Lignin based coating

C - Chemistry, Metallurgy

09

D

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

Patent

CA 2354016

A method is provided for producing a coated article comprising: (a) preparing a solution of lignin; (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 coated; and (e) allowing the coating to set onto the article by subjecting the article to conditions and for a time sufficient to form a coating on the surface of the article.

L'invention concerne un procédé de production d'un article revêtu qui consiste à: a) préparer une solution de lignine; b) mélanger cette solution de lignine avec une enzyme d'oxydation des phénols; c) incuber le mélange obtenu à l'étape b) dans des conditions et pendant une durée suffisantes pour former une solution présentant une viscosité désirée; d) placer le mélange obtenu à l'étape c) au contact de l'article à revêtir ou étaler le mélange sur ledit article; et e) laisser prendre le revêtement sur l'article en exposant ce dernier à des conditions et pendant une durée suffisantes pour former un revêtement sur la surface de l'article.

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