C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/29 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2159986
An improved polyurethane- based water-in-water multicolor paint composition is provided having a disperse phase and a continuous phase which is characterized by an accelerated capacity to transfer from an applicator surface to a substrate surface during paint application. The disperse phase preferably is comprised of a water dispersible, inert film-forming, crosslinkable, polyurethane polymer system; hydroxy (lower alkyl) cellulose; quaternized water soluble cellulose ether; peptized clay and water. The continuous phase preferably is comprised of such a polyurethane polymer system, a water soluble, film-forming, crosslinkable, pressure-responsive contact adhesive, a peptized clay and water. Methods for preparing the paint are also provided.
La composition améliorée de peinture polychromique eau-eau à base de polyuréthane faisant l'objet de la présente divulgation comporte une phase dispersée et une phase continue caractérisée par une plus grande capacité de transfert de la surface de l'applicateur à la surface du substrat pendant l'application de la peinture. La phase dispersée est composée de préférence d'un système polymérique de polyuréthane dispersible dans l'eau, feuillogène inerte, réticulable; d'hydroxy(alkyle inférieur)cellulose; d'un éther de cellulose hydrosoluble quaternisé; d'argile peptisée et d'eau. La phase continue comprend de préférence ledit système polymérique de polyuréthane, un adhésif de contact hydrosoluble auto-collant, feuillogène, réticulable; de l'argile peptisée et de l'eau. Le brevet porte aussi sur les méthodes d'obtention de la peinture.
Lynch James F.
Predkelis John
Borden Ladner Gervais Llp
Multicolor Specialties Inc.
LandOfFree
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