Asphalt composition and method

Details Asphalt composition and method Asphalt composition and method

1998-05-01

2000-06-13

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106279, 106280, 1062811, 10628403, 524 59, 524 71, C09D19500

Patent

active

060744693

ABSTRACT:
A paving asphalt composition for improving the durability and longevity of asphalt road surfaces is disclosed. The paving asphalt composition includes asphalt base stock, heavy residuum of re-refined motor oil, and a chemical modifier. The heavy residuum of re-refined motor oil preferably has an API gravity of at least about 12, a kinematic viscosity greater than about 400 centistokes at 140.degree. F., a flash point greater than about 400.degree. F. and a mass loss less than about 3%. The paving asphalt composition may also include a polymer. A method of forming the paving asphalt composition and a method of paving roads are also disclosed.

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CA 73:68308 Brunel., "Coating and waterproofing . . . " Nov. 28, 1969.

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