Process for coating a substrate with a coating precursor...

C - Chemistry – Metallurgy – 09 – D

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C09D 167/00 (2006.01)

Patent

CA 2696830

A process is provided for coating a surface of a substrate using a coating precursor comprising a reactive mixture which is reacted to form a coating as a product of ester condensation. The reactive mixture includes a monomer mixture comprising at least one polyhydric alcohol and a reactant selected from the group consisting of at least one organic polyacid; at least one organic anhydride; and combinations thereof. Alternatively, the reactive mixture comprises a prepolymer formed from the monomer mixture; a combination of the prepolymer and the monomer mixture; or a combination of the prepolymer and reactants such as polyhydric alcohol, organic polyacid, organic anhydride, and combinations thereof.

L'invention concerne un procédé pour revêtir une surface d'un substrat au moyen d'un précurseur de revêtement comprenant un mélange réactif qui réagit pour former un revêtement tel qu'un produit de condensation d'ester. Le mélange réactif comprend un mélange monomère comprenant au moins un alcool polyhydrique et un réactif choisi dans le groupe consistant en au moins un polyacide organique, au moins un anhydride organique, et des combinaisons de ceux-ci. En variante, le mélange réactif comprend un prépolymère formé à partir du mélange monomère, une combinaison du prépolymère et du mélange monomère, ou une combinaison du prépolymère et de réactifs tels qu'un alcool polyhydrique, un polyacide organique, un anhydride organique, et des combinaisons de ceux-ci.

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