Pitch emulsions
AssigneeGeorgia-Pacific Chemicals LLC
InventorsBrian L. Swift, Roger Scott Johnson
Life of this patent
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Abstract
An emulsion of pitch in water characterized by having a lower level of tack on drying by virtue of the incorporation of a finely divided filler, where the emulsion is useful for reducing the development of fugitive dust in a dust-forming material.
Claims20
A pitch emulsion that dries to a film of reduced tack comprising small particles of a pitch dispersed in water in the presence of an emulsifying agent and associated with a finely divided filler, wherein the filler comprises calcium carbonate.
A method of making a pitch emulsion comprising blending with sufficient agitation a molten pitch and an aqueous mixture of a finely divided filler and an emulsifier, wherein the filler comprises calcium carbonate.
A pitch emulsion that dries to a film of reduced tack comprising small particles of a pitch dispersed in water in the presence of an emulsifying agent comprising casein and associated with a finely divided filler.
Dependencies are inferred from the claim text.