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US 7,125,919 B2Granted
Method of improving viscosity stability upon addition of a colorant component
AssigneeRohm and Haas Company
InventorsJerome Michael Harris, Henry Jude Eichman, Ronald Carl Faulk
Life of this patent
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Abstract
A tinting composition containing a colorant component is disclosed. In addition, a method of improving the viscosity stability of a composition upon the addition of a colorant component employing an associative thickener, a macromolecular organic compound having a hydrophobic cavity, a dispersing resin and combinations thereof is disclosed.
Claims5
A tinting composition comprising:
- a) at least one colorant composition;
- and
- b) from 0.05 to 15 % dry weight of at least one additive based on the weight of said at least one colorant composition,
- wherein said additive comprises at least one highly shear thinning associative thickener, at least one moderately shear thinning associative thickener, and at least one macromolecular organic compound having a hydrophobic cavity.
1 more element
A method of improving the viscosity stability of a coating composition upon the addition of a colorant component, comprising the steps of:
- a) providing a base paint;
- and
- b) adding to said base paint, a tinting composition comprising:
- i) at least one colorant composition;
- and
- ii) from 0.05 to 15% dry weight of at least one additive based on the weight of said at least one colorant compositions,
- wherein said additive comprises at least one highly shear thinning associative thickener, at least one moderately shear thinning associative thickener, and at least one macromolecular organic compound having a hydrophobic cavity.
4 more elements
Dependencies are inferred from the claim text.