C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/80
C09K 3/18 (2006.01)
Patent
CA 1096157
Abstract of the Disclosure 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 form the release of the salt from the particles. The particles are readily disintegratable under the pressure of foot and vehicle traffic to re- lease 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. 1,
314718
Lowe Henry E. Jr.
Macrae & Co.
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