Method of improving the freeze resistance of particulate materia

Details Method of improving the freeze resistance of particulate materia Method of improving the freeze resistance of particulate materia

1979-08-10

1981-09-01

Silverberg, Sam

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

44 6, 106 13, 252 17, C10L 900

Patent

active

042872367

ABSTRACT:
The resistance of particulate material to clumping or solidification at below-freezing temperatures is improved by applying to the particles a coating of a polymer emulsion in water which drys to a water-insoluble film. A freeze-point-depressing substance is preferably combined with the emulsion in order to prevent the emulsion itself from freezing at the temperatures to which the particulate material is subjected. It is believed that said coating minimizes the strength of adhesion between the particles and any ice which may form between them and also minimizes the strength of such ice.

REFERENCES:
patent: 4117214 (1978-09-01), Parks
patent: 4162347 (1979-07-01), Montgomery

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