Pulverulent bitumen concentrate and its use

Details Pulverulent bitumen concentrate and its use Pulverulent bitumen concentrate and its use

1980-08-06

1983-04-05

Kight, III, John

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

10628734, C08L 9500

Patent

active

043789994

ABSTRACT:
Powdery bitumen concentrates are prepared containing 10 to 85 weight %, preferably 40 to 80 weight %, of synthetic silica. The concentrate is used in asphalt mixtures for building roads to give high stiffening value thereto.

REFERENCES:
patent: 2949378 (1960-08-01), Agren et al.
patent: 3766074 (1973-10-01), Brouillette
patent: 3920470 (1975-11-01), Bertrand
patent: 4100059 (1978-07-01), Jinno
patent: 4189238 (1980-02-01), Mendenhall
The Chemistry of Silica, by Ralph K. Oler, p. 25.

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