Corrosion inhibited deicing composition and method of its use

Details Corrosion inhibited deicing composition and method of its use Corrosion inhibited deicing composition and method of its use

1998-01-26

1991-02-05

Willis, Prince E.

Compositions

Frost-preventing, ice-thawing, thermostatic, thermophoric,...

106 13, C09K 318

Patent

active

049902784

ABSTRACT:
A low-temperature corrosion inhibited deicing composition is disclosed which comprises a major portion of magnesium chloride and an effective amount of an inhibitor including a polyphosphate salt to reduce corrosion, or a solution thereof. The solution form is preferred. Additional preferred aspects are provided where the inhibitor also includes a zinc-containing salt, and where the deicing composition is free from (or at least substantially so) chloride ions other than those due to the magnesium chloride. A method for low-temperature deicing of bridgework is described which includes the use of the inhibited deicing composition.

REFERENCES:
patent: 4803007 (1989-02-01), Garber

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