US4293459A - Asphalt emulsion-conditioner - Google Patents
Asphalt emulsion conditioner compositions, derived from spent sulfite liquor lignosulfonates, and asphalt emulsions produced from such compositions are provided. The emulsions are of the slow-setting, anionic type and are further characterized by their ability to remain stable on storage although produced with equipment that generates a wide range of shearing forces.
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