Hydrophobic colloidal oxide treated core material, method of pro

Details Hydrophobic colloidal oxide treated core material, method of pro Hydrophobic colloidal oxide treated core material, method of pro

1983-05-23

1984-10-02

Lusignan, Michael R.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

427204, 427205, 427214, 427221, 428404, 428407, B05D 136, B05D 700, B32B 516

Patent

active

044748523

ABSTRACT:
An improved hydrophobic composite is prepared by depositing on a particulate or granular core material an adherent first coat comprising a film-forming polyurethane and, optionally, asphalt, and applying to the thus-coated core material a hydrophobic colloidal oxide, such as hydrophobic fumed silica. The composites are useful in various waterproofing applications, as well as in cleaning up oil spills.

REFERENCES:
patent: 3562153 (1971-02-01), Tully et al.
patent: 3567492 (1971-03-01), Burrill
patent: 3672945 (1972-06-01), Taylor
patent: 3973510 (1976-08-01), McCulloch et al.
patent: 3980566 (1976-09-01), Peterson
patent: 4148941 (1979-04-01), Pape et al.
patent: 4256501 (1981-03-01), Banino

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