Low voc solventborne dispersion compositions for tinting solvent-based coatings
AssigneeChromaflo Technologies Corporation
InventorsYamini Patel, Steven Paul Riccardi, Daniel Goldberg, Jadel Baptista, JR., Luc Driessen
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Abstract
A solventborne pigment dispersion having a volatile organic chemical (VOC) content that is less than 250 g/L for tinting solvent-based surface coatings is formulated using a vegetable oil-derived solvent component that is one or more methyl esters of vegetable oils, an acrylic resin containing at least 60% solids, one or more highly concentrated surfactants containing up to 100% by weight of active constituents and that contains no PMA or free aromatic moieties, and one or more organic pigments or one or more inorganic pigment, or a combination thereof.
Claims12
A solventborne pigment dispersion having a volatile organic chemical (VOC) content that is less than 250 g/L for tinting solvent-based surface coatings, the pigment dispersion comprising:
- a. a vegetable oil-derived solvent component that is a mixture of methyl esters of one or more vegetable oils;
- b. a high solids content resin, or mixture of resins, containing at least 60 percent solids;
- c. one or more surfactants that contain no alkyl phenol ethoxylate moieties or free aromatic compounds;
- d. at least one organic pigment or at least one inorganic pigment, or mixtures thereof.
Dependencies are inferred from the claim text.