Ice melter and method of making same

Details Ice melter and method of making same Ice melter and method of making same

C - Chemistry, Metallurgy

09

K

31/80

C09K 3/18 (2006.01)

Patent

CA 1340705

This invention relates to a composition for melting ice at low temperatures, particularly for use in melting ice from driveways, sidewalks and the like. The composition includes mixtures of the salts, sodium and potassium chloride, urea, and a chemical enhancer (synergist) or trigger. The enhancer which quickens melt rate and effects lower ice-melting temperatures may be an additional inorganic salt, such as a carbonate or another chloride, or an organic compound with ether or hydroxyl groupings such as saccharides, alcohols, glycols, and glucosides. The invention also includes the method of making the composition which includes the steps for example, of (1) preparing a warm solution of urea (2) spraying the potassium chloride portion of the salt combination with the urea solution, (3) drying the potassium chloride urea composition; (4) mixing said dried composition with the sodium chloride, and (5) adding the trigger.

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