Emulsion of a colloidal clay and water slurry in a bitumen cutback
AssigneeGardner Asphalt Corporation
InventorsMichael L. Yap, Raymond T. Hyer, Barton J. Malina
Life of this patent
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Abstract
A emulsion for sealants, coatings and/or mastics having reduced volatile organic compounds is disclosed. The emulsion includes a slurry of substantially fully hydrated colloidal clay and a cutback in preferred ratios such that the emulsion has characteristics adapted to cold application processes. A method of reducing volatile organic compounds in sealants, coatings and/or mastics is also disclosed.
Claims19
A method of preparing a low-VOC cold-application emulsion for coatings, the method comprising:
- providing a cutback;
- providing a slurry of water and colloidal clay;
- adding fibers and/or fillers to the cutback;
- mixing the slurry with the cutback to create the emulsion.
An emulsion for use as a low-VOC cold-application coating, the emulsion formed by a cutback and a slurry of bentonite and water and comprising about 45% cutback, 45% slurry and 10% fiber and/or filler.
Dependencies are inferred from the claim text.