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US 2023/0416542 A1Published application
Low voc universal colorant compositions
AssigneeSwimc LLC
InventorsDonald DIEHL, Jacob S. DONLON, Patricia L. OLOFSSON-ELKOW, Jean E. SHANKS, Sarah ARCELLA
Life of this patent
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Abstract
A universal colorant composition compatible to tint water-borne and solvent-borne base paints and stains. The universal colorant composition includes one or more modified polyether dispersants with one or more pigment affinic groups, which wet, disperse, and stabilize the disperse included pigments. The universal colorant compositions provide for low viscosity drop and excellent compatibility when the colorant composition is used to tint a base paint or stain.
Claims24
1-35. (canceled)
A universal colorant composition comprising:
- an aqueous vehicle,
- one or more pigments or dyes,
- and a modified polyether dispersant containing one or more pigment affinic groups;
- wherein the polyether dispersant includes one or more polyoxyalkyl, substituted or unsubstituted polyoxyphenyl, polyetherketone, polyetheretherketone, cyclic ether, or combinations thereof, and
- wherein the pigment affinic groups are each a saturated or unsaturated aliphatic or aromatic structural unit containing a plurality of carbon atoms;
- wherein the modified polyether dispersant has a peak weight average molecular weight of at least 1000 g/mol;
- wherein the universal colorant composition is substantially free of low molecular weight surfactants;
- wherein the universal colorant composition is compatible with water-borne and solvent-borne base paints and stains and is suitable for use in a point-of-sale tinting machine;
- and
- wherein the colorant composition contains less than a film-forming amount of binder.
7 more elements
Dependencies are inferred from the claim text.