Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1979-06-07
1981-10-06
Lieberman, Allan
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
106123LC, 106145, 106191, 106202, 106277, 106316, 2523115, 260 285AS, C08L 126, C08L 8900, C08L 9500, C08L 9700
Patent
active
042934591
ABSTRACT:
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. Such characteristics are imparted to the asphalt emulsions through the use of emulsion-conditioner compositions comprising a partially desulfonated lignosulfonate, preferably an anionic or nonionic emulsifying agent and, optionally, a thickener.
REFERENCES:
patent: 2491832 (1949-12-01), Salvesen
patent: 3053779 (1962-09-01), O'Neill
patent: 3859227 (1975-01-01), Dwyer
patent: 3956002 (1976-05-01), Moorer
patent: 4069217 (1978-01-01), Detroit et al.
patent: 4088505 (1978-05-01), Moorer
Chem. Abst. 65: 6983h-65: 6984a.
American Can Company
Auber Robert P.
Bartlett Ernestine C.
Lieberman Allan
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