Thick film washout resistant coatings

Compositions: coating or plastic – Coating or plastic compositions – Bituminous material or tarry residue

Patent

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Details

10628724, 523332, 524400, C09D19500, C09D 712

Patent

active

054033934

ABSTRACT:
This invention relates to water-based coatings for exterior surfaces which upon application quickly develop resistance to being washed out by inadvertent precipitation. These compositions comprise an aqueous anionically stabilized dispersion of water-insoluble polymer prepared by either emulsion polymerization or mechanical emulsification, inorganic pigment dispersed with anionic polymers, salts, or soaps, and the propionic acid salt of calcium.

REFERENCES:
patent: 4386992 (1983-06-01), Takegawa
patent: 4571415 (1986-02-01), Jordan, Jr.

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