Deicing and traction forming composition and method of making sa

Details Deicing and traction forming composition and method of making sa Deicing and traction forming composition and method of making sa

1978-11-15

1981-01-06

Silverberg, Sam

Compositions: coating or plastic

Coating or plastic compositions

Fog, frost or ice preventive

106 36, 427215, C09K 318

Patent

active

042434157

ABSTRACT:
A deicing and traction forming composition in which particles of clay are impregnated and coated with a salt, such as sodium chloride, calcium chloride, and/or ammonium chloride so that, when the particulate material is used to deice and form a traction surface, the salt immediately begins the ice melting action followed by a more gradual action from the release of the salt from the particles. The particles are water softening, readily disintegratable under the pressure of foot and vehicle traffic to release the absorbed salt and to form a traction surface on the ice. A method is used in the production of the composition consisting of heating crushed clay to drive off the moisture and, after screening the particulate material to obtain a somewhat uniform particle size and while it is still at an elevated temperature, spraying the particles with a salt solution. The salt solution is absorbed and adsorbed by the particles, and the moisture is quickly driven off by the heat from the particles, thus leaving a dried particulated mass which can easily be stored, packaged, shipped and used in particulate form.

REFERENCES:
patent: 1825151 (1931-09-01), Keoleian
patent: 2410910 (1946-11-01), Wait
patent: 2626219 (1953-01-01), Wagner
patent: 4108669 (1978-08-01), Orthalek

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