C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/29 (2006.01) C09D 7/14 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2159987
A polyurethane-based water-in-water multicolor paint composition is provided having a dispense phase and a continuous phase. The disperse phase contains a water dispersible, film-forming, crosslinkable, polymer system selected from among a polyurethane polymer system, a carboxylated polymer system, and mixtures thereof; as well as hydroxy (lower alkyl) cellulose, quanternized water soluble cellulose ether, peptized clay, and water. The continuous phase preferably is comprised of a polyrethane polymer system, a peptized clay and water. Methods for preparing the paint are also provided.
Composition pour peinture multicolore à base de polyuréthane, eau dans l'eau, comportant une phase dispersée et une phase continue. La phase dispersée renferme un système polymérique, hydrodispersable, réticulable et formant une pellicule - à savoir un système à base de polyuréthane, un système polymérique carboxylé, ou un mélange des deux -, ainsi qu'une hydroxy(alkyle inférieur)cellulose, un éther cellulosique hydrosoluble quaternisé, une argile peptisée et de l'eau. La phase continue est de préférence à base d'un système polymérique de polyuréthane, d'une argile peptisée et d'eau. L'invention présente également des méthodes pour préparer la peinture.
Lynch James F.
Predkelis John
Borden Ladner Gervais Llp
Multicolor Specialties Inc.
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