Asphalt compositions for pavement

Details Asphalt compositions for pavement Asphalt compositions for pavement

1992-07-22

1994-07-12

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 68, C08L 9500

Patent

active

053289439

ABSTRACT:
An asphalt composition for use in road pavements is disclosed which comprises chiefly of an asphalt of natural or petroleum origin, a thermoplastic elastomer and/or a styrene-butadiene rubber and a low molecular weight polypropylene. These components are premixed or plant-mixed to form a reformed asphalt which is mixed with an aggregate to provide a paving material having increased compression strength, increased low temperature viscosity and decreased high temperature viscosity.

REFERENCES:
patent: 4387175 (1983-06-01), Bohm et al.
patent: 4837252 (1989-06-01), Seguin et al.
patent: 4973615 (1990-11-01), Futamura et al.
patent: 5023282 (1991-06-01), Neubert
patent: 5070123 (1991-12-01), Moran

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