Method for production of thermally cured coatings

Details Method for production of thermally cured coatings Method for production of thermally cured coatings

C - Chemistry, Metallurgy

09

D

C09D 7/12 (2006.01) C08K 5/09 (2006.01) C08K 5/10 (2006.01) C09D 7/00 (2006.01)

Patent

CA 2547149

Method for production of a coating on a solid substrate comprising the steps of applying a liquid coating composition comprising a polyfunctional resin, a fatty acid or derivative thereof acting as a reactive diluent and optionally a curing agent and/or one or more additives, wherein the resin comprises functional groups capable of reacting with carboxyl or acyl groups of the fatty acid or derivative thereof, onto the substrate, and curing the coating by heat activation. The invention further relates to the liquid coating composition as well as a substrate comprising a coating obtained by heat activation of such a coating composition.

L'invention concerne un procédé pour produire un revêtement sur un substrat solide comprenant l'application d'une composition de revêtement liquide comportant une résine polyfonctionnelle, un acide gras ou un de leurs dérivés agissant comme un diluant réactif et éventuellement un agent durcisseur et/ou un ou plusieurs additifs. Ladite résine comprend des groupes fonctionnels capables de réagir aux groupes carboxyle ou acyle de l'acide gras ou de son dérivé, sur un substrat, et le durcissement du revêtement par activation à la chaleur. L'invention concerne, de plus, une composition de revêtement liquide ainsi qu'un substrat comprenant un revêtement obtenu par activation de la chaleur de ladite composition de revêtement.

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