Sealing composition and method of making the same

Details Sealing composition and method of making the same Sealing composition and method of making the same

1984-06-14

1985-10-15

Lieberman, Allan M.

Coating processes

Coating pavement or the earth

Asphalt, bitumen, oil, or tar containing coating

427140, 524 62, 524425, 524474, B22B 3500, C08L 906, C08L 9500, E01C 512

Patent

active

045473994

ABSTRACT:
Composition produced from paving grade asphalt, process oil (not over 32%) and SBR rubber or rubbers, such as butadiene-styrene copolymers, in decreasing amounts by weight. A preferred range is asphalt 41.9-61.25%, process oil 18-25%, lower molecular weight butadiene-styrene copolymer 8-17%, higher molecular weight butadiene-styrene copolymer 2-4% and filler, such as limestone dust, 0-20%. Other preferred formulae are shown, as well as temperature and other conditions of the preferred method, including reheating of composition for application to joints, cracks and the like.

REFERENCES:
patent: 4068023 (1978-01-01), Nielson et al.
patent: 4129542 (1978-12-01), Matheson et al.
patent: 4242246 (1980-12-01), Maldonado et al.
patent: 4250067 (1981-02-01), Bresson
patent: 4278469 (1981-07-01), Yan et al.

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