Coating processes – Particles – flakes – or granules coated or encapsulated
Patent
1990-07-27
1992-01-07
Beck, Shrive
Coating processes
Particles, flakes, or granules coated or encapsulated
427215, 427220, 106 13, 252 70, B05D 724
Patent
active
050790366
ABSTRACT:
A stable foam having foam bubble diameters of 0.005-0.015 inches and being comprised of from about 10-30 wt. % of a brine freeze control agent selected from the group consisting of sodium chloride, calcium chloride, magnesium chloride, potassium chloride, borax, potassium thiocyanate, potassium acetate, sodium acetate, and sodium nitrite, anionic surfactant, amphoteric surfactant, and water is applied to solid, particulate materials such as coal or mineral ores to inhibit freezing and improve handleability characteristics of the particulate materials. The foam optionally may contain additional freeze control agents such as ethylene glycol or cellulose ethers.
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Polizzotti David M.
Roe Donald C.
Beck Shrive
Betz Laboratories Inc.
Owens Terry J.
Peacock Bruce E.
Ricci Alexander D.
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