Cationic method for emulsifying asphalt-rubber paving material a

Details Cationic method for emulsifying asphalt-rubber paving material a Cationic method for emulsifying asphalt-rubber paving material a

1977-11-14

1979-01-30

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260718, 260733, 260745, 106277, C08L 9100

Patent

active

041372042

ABSTRACT:
A new method is provided for emulsifying an asphalt-rubber pavement repair material into a stable thixotropic emulsion capable of flowing as a liquid upon gentle agitation. The method generally comprises the steps of heating asphalt and rubber to form a jellied reaction product, and admixing an asphalt-rubber soap consisting essentially of water, a cationic water soluble emulsifying agent, a thickener, and aluminum sulfate to form a thixotropic emulsion capable of flowing as a liquid upon gentle agitation.

REFERENCES:
patent: 3891585 (1975-06-01), McDonald
patent: 4018730 (1977-04-01), McDonald

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