Rubberized asphalt paving composition and use thereof

Details Rubberized asphalt paving composition and use thereof Rubberized asphalt paving composition and use thereof

1976-05-20

1978-01-10

Marquis, Melvyn I.

Coating processes

Coating pavement or the earth

Asphalt, bitumen, oil, or tar containing coating

260 23, 260 285AS, 260729, 260733, 106280, 427204, 427422, C08J 320, C08K 501, C08L 1700, C08L 9500

Patent

active

040680231

ABSTRACT:
The dissolving and/or dispersing of relatively large proportions of reclaimed rubber into molten paving asphalts is facilitated by incorporating into the asphalt a minor proportion of a highly aromatic, high-boiling, high-flash-point mineral oil. The resulting mixtures can be held at temperatures above 300.degree. F for substantial periods of time without becoming too viscous for convenient handling, thereby facilitating the application thereof to roadways. The rubberized asphalt mixtures are particularly useful in the form of stress absorbing membrane interlayers between old, damaged pavement surfaces and an overlayer of new asphalt concrete, for providing chip-seal coatings over old pavement, as crack fillers in Portland Cement concrete or asphalt concrete pavements, and bridge deck waterproofing membranes.

REFERENCES:
patent: 3779964 (1973-12-01), Gagle et al.
patent: 3833528 (1974-09-01), Behling et al.
patent: 3891585 (1975-06-01), McDonald
patent: 3919148 (1975-11-01), Winters et al.

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