Process for production of bituminous compositions containing pol

Details Process for production of bituminous compositions containing pol Process for production of bituminous compositions containing pol

1992-07-21

1993-10-12

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

52 68, 52 70, 52 71, C08L 95001

Patent

active

052526410

ABSTRACT:
The invention relates to a process for the production of bituminous compositions containing residues of polymers and in particular sterile car waste resulting mainly from the crushing and cutting into small pieces of car bodies. The process involves five successive stages, namely a grinding of the polymer mixture, washing with water to eliminate soil, drying, mixing with pulverulent bitumen and shaping, preferably by extrusion and granulation or compacting by compression. The polymer residue-concentrated bituminous compositions can be advantageously used in the diluted state for improving the use and stability characteristics, as well as the mechanical properties of bitumens for use in roads or industry.

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Encyclopedia of Polymer Science and Engineering, vol. 13, Poly(phenylene Ether) to Radical Polymerization, John Wiley & Sons, pp. 264-274.

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