Coating compositions

Details Coating compositions Coating compositions

C - Chemistry, Metallurgy

09

D

C09D 201/00 (2006.01) C08K 5/21 (2006.01) C08K 5/3445 (2006.01) C09D 7/00 (2006.01) C09D 7/12 (2006.01)

Patent

CA 2044892

Coating compositions which provide coatings having enhanced properties, e.g., gloss, are disclosed. The coating compositions may be water-borne compositions, or may be water-reducible or water-dispersible compositions including a thermoplastic resin component. Such compositions include a gloss enhancing amount of a nitrogen-containing component selected from compounds having the formula Image and mixtures thereof, wherein each R is independently selected from the group consisting of H, monovalent hydrocarbyl radicals having 1 to about 4 carbon atoms, and divalent hydrocarbyl radicals having 1 to about 2 carbon atoms, R'OH wherein R' is a divalent hydrocarbyl radical having 1 to about 4 carbon atoms, provided that the compound includes at least one hydroxyl group and if one R is a divalent radical then another R is a bond in the divalent radical or is another divalent radical.

Compositions donnant des revêtements dont les propriétés, notamment le brillant, sont améliorées. Ces compositions renferment une résine thermoplastique et peuvent être aqueuses, ou encore hydroréductibles ou hydrodispersables. De plus, elles contiennent un composé améliorant le brillant, choisi parmi des composés de formule Image ou de leurs mélanges, dans laquelle chaque R est choisi indépendamment parmi un H, des radicaux hydrocarbonés monovalents d'environ 1 à 4 atomes de carbone, des radicaux hydrocarbonés divalents de 1 ou 2 atomes de carbone, R'OH étant un groupe où R' est un radical hydrocarboné divalent d'environ 1 à 4 atomes de carbone, à la condition que le composé renferme au moins un groupe hydroxyle, et que si un R est un radical divalent, alors un autre R est une liaison dans le radical divalent ou un autre radical divalent.

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