Process for improving the mineral asphalt coatings for streets a

Details Process for improving the mineral asphalt coatings for streets a Process for improving the mineral asphalt coatings for streets a

1981-03-26

1983-10-18

Childs, Sadie L.

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106281R, 404 75, 427138, 427139, 427403, 428446, 428454, 428489, B32B 516, B32B 900, B32B 1500

Patent

active

044105894

ABSTRACT:
There is provided a process for improving mineral asphaltic coatings for streets and roadways comprising preparing a mixture to be used as the base mineral asphalt coating material, homogeneously mixing in 0.1 to 10 weight % of silica which is either (1) a precipitated silica, (2) a precipitated and spray dried silica or (3) a pyrogenically produced silica and further working this mixture into a mineral asphalt coating for streets and roadways.

REFERENCES:
patent: 2706688 (1955-04-01), Sommer et al.
patent: 3824109 (1974-07-01), Richards
patent: 3902914 (1975-09-01), Gagle et al.
patent: 3920470 (1975-11-01), Bertrand
patent: 3965281 (1976-06-01), Takase et al.
Industrial Minerals and Rocks, The American Institute of Mining & Metallurgical Engineers, N.Y., 1937, pp. 76, 77, 129, 135-137, 163,164,455,456,515, 601, 722, 873, 911 and 912.
Handbook of Chemistry and Physics 54th Edition pp. B-193 to B-197.
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd Ed. vol. 10, pp. 540-543, vol. 18, pp. 137-140 and 156-159.
Iler, R. K. "The Colloid Chemistry of Silica and Silicates", 1955, pp. 157-174.

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