Cationic polymers for use in freeze protection of coals and mine

Details Cationic polymers for use in freeze protection of coals and mine Cationic polymers for use in freeze protection of coals and mine

1982-07-02

1984-01-17

Morgenstern, Norman

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

44 6, 106 13, 252 70, B05D 700

Patent

active

044264097

ABSTRACT:
A method for treating fine particles such as minerals and coal particles having surface moisture to reduce the cohesive strength of such particulate particles when frozen which comprises spraying the particles prior to freezing with an effective amount of a dilute aqueous solution of a water-soluble cationic polymer, which solution also contains a freezing point depressant amount of an anti-freeze chemical.
In a preferred embodiment of the invention, there is also included in the aqueous solution of the freezing point depressant polymer solution from 1/2 to about 5% by weight of gelatin or hydrolyzed gelatin.

REFERENCES:
patent: 4254166 (1981-03-01), Glarville et al.
patent: 4264333 (1981-04-01), Shaw et al.
patent: 4287236 (1981-09-01), Kestner et al.

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