Composition for reducing the strength of ice

Details Composition for reducing the strength of ice Composition for reducing the strength of ice

1979-12-13

1981-03-03

Pitlick, Harris A.

Coating processes

Particles, flakes, or granules coated or encapsulated

106 13, 252 70, 427220, 427421, 427428, 427429, C09K 318

Patent

active

042541662

ABSTRACT:
The strength of ice is reduced by the dissolution of a water-soluble composition composed of (A) a non- or slightly-ionizing water-soluble organic compound containing one or more hydrophilic groups, and (B) an organic or inorganic, water soluble ammonium salt, optionally with surface active agent or water and conventional additives in ice-forming water. The composition is particularly suitable for application to a wet, particulate solid material prior to its storage or transportation in sub-freezing weather to produce a frozen mass of reduced mechanical strength, thereby greatly mitigating subsequent unloading or handling of the material.

REFERENCES:
patent: 3108075 (1963-10-01), Hearst
patent: 3293185 (1966-12-01), Curless et al.
patent: 3624243 (1971-11-01), Scott et al.
patent: 3630913 (1971-12-01), Scott et al.
patent: 4117214 (1978-09-01), Parks et al.
patent: 4162347 (1979-07-01), Montgomery
patent: 4163079 (1979-07-01), Beafore
Abstract of F. Nicolai, Automobile Tech. 2.32[36], 843-846, (1929).
Pounder, "Mechanical Strength of Ice Frozen from an Impure Melt", Canadian Journal of Physics, vol. 36 (1958), pp. 363-370.
Bailey et al., "The Effect of Impurities on the Mechanical Strength of Accreted Ice", Journal of Atmospheric Sciences, vol. 24, pp. 707-710 (1967).

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