Road structure – process – or apparatus – Process – In situ treatment of earth or roadway
Patent
1983-08-05
1986-02-18
Novosad, Stephen J.
Road structure, process, or apparatus
Process
In situ treatment of earth or roadway
404 75, 106277, 252 88, E01C 736, E01C 2100, E02D 312
Patent
active
045711160
ABSTRACT:
An aqueous emulsion of a blend of asphalt having viscosity at 165.degree. F. of about 100 to about 1000 centipoises with a petroleum extender oil preferably having a viscosity at 40.degree. C. of not more than about 1000 centistokes, preferably stabilized with a protective colloid in conjunction with conventional surfactants, provides a particularly effective and long-lasting treatment of substrates, such as dirt or gravel roads and the like, for suppressing the evolution of fugitive dust therefrom by applying the emulsion, usually in dilute form, to the exposed surface of the substrate, as by spraying.
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"Description of Types of Petroleum Extender Oils", ANSI/ASTM D2226-70 (reapproved 1975), pp. 548, 549.
Coherex Dust Control Manuel, Witco, pp. 1-23 (20803).
Patil Bhalchandra B.
White J. Matthew
Gillespie Ted C.
Hjorth Beverly E.
Hudgens Ronald C.
Novosad Stephen J.
Owens-Corning Fiberglas Corporation
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