Reinforced sulphur-asphalt composites of two continuous phases

Details Reinforced sulphur-asphalt composites of two continuous phases Reinforced sulphur-asphalt composites of two continuous phases

1978-04-24

1980-09-30

Tillman, Murray

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106274, 260 285R, 260 285AS, C08L 9500

Patent

active

042253535

ABSTRACT:
A sulfur-bituminous composite binder material consisting essentially of 60-75% by weight sulfur and 25-40% by weight bituminous material. Optionally a small amount of a fibrous or flake reinforcing material and usually a filler material can be added. The binder is suitable for use as a self-compacting road or pothole repair material. A feature of the composite binder is the presence of two continuous phases which is achieved by mixing solid particulate sulfur with a softened bituminous material at a temperature in the range 120.degree.-150.degree. C. or by mixing liquid sulfur with liquid asphalt with a sufficient shearing mixing action to produce an emulsion of the liquid sulfur in the asphalt which, on cooling produces a continuous, rigid, crystaline and porous sulfur skeleton in the composite.

REFERENCES:
patent: 3738853 (1973-06-01), Kopvillem et al.
patent: 3970468 (1976-07-01), Garrigues
patent: 3997355 (1976-12-01), Santucci et al.
patent: 4135022 (1979-01-01), Kennepohl et al.

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