Process for repairing asphalt pavement

Details Process for repairing asphalt pavement Process for repairing asphalt pavement

1979-06-04

1981-07-14

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

260 285AS, C08L 9500

Patent

active

042784697

ABSTRACT:
This invention provides a process for repairing and surfacing broken asphalt pavements which involves applying to the distressed pavement a binder composition which has exceptional solvating power for asphaltic material, and which functions to solubilize and incorporate aged pavement asphalt into the binder composition as it penetrates and fills void spaces.
Illustrative of a preferred binder composition which is applied to the distressed pavement is a homogeneous blend of (1) a FCC main column bottoms residuum boiling above about 650.degree. F., and (2) an asphalt-soluble elastomer which improves the elasticity and wear resistance of the binder composition.

REFERENCES:
patent: 2871212 (1959-01-01), Thayer
patent: 3879323 (1975-04-01), Van Der Loos
patent: 3919148 (1975-11-01), Winters et al.
patent: 4105612 (1978-08-01), Cushman et al.
patent: 4139397 (1979-02-01), Yan
patent: 4177079 (1979-12-01), Espenscheid

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