Solventborne and activated solventborne paint packs, and...

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 17/00 (2006.01) C09D 5/02 (2006.01) C09D 175/04 (2006.01)

Patent

CA 2346828

A pigmented solventborne paint pack which can be made into a waterborne coating composition which comprises; i) a waterborne pigment dispersion, comprising pigment in dispersion in water in the presence of a pigment dispersant, the waterborne pigment dispersion itself being in dispersion in, ii) a solution in an organic solvent of polymer having functional groups and hydrophilic groups. Also, a solventborne activated paint pack which comprises the solventborne paint pack and a crosslinker which is dissolved in the organic solvent and a waterborne coating composition which comprises a dispersion in an aqueous medium of the solventborne activated paint pack.

L'invention concerne un ensemble peinture pigmentée à base de solvant pouvant être transformée en une composition de revêtement à base d'eau, qui contient: 1) une dispersion de pigment à base d'eau, qui renferme un pigment dispersé dans de l'eau en présence d'un dispersant de pigment, la dispersion de pigment à base d'eau étant elle-même dispersée dans 2) une solution de polymère dans un solvant organique possédant des groupes fonctionnels et des groupes hydrophiles. L'invention concerne de plus un ensemble peinture activée par solvant, qui comprend l'ensemble peinture activée par solvant et un agent de réticulation dissous dans le solvant organique; et une composition de revêtement à base d'eau qui contient une dispersion dans un milieu aqueux de l'ensemble peinture activée par solvant.

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