Corrosion inhibiting additive for cement compositions

Details Corrosion inhibiting additive for cement compositions Corrosion inhibiting additive for cement compositions

1983-01-03

1984-08-21

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 90, 106 92, 106314, 106315, C04B 735, C04B 7352

Patent

active

044668341

ABSTRACT:
Additive compositions for Portland cement compositions are disclosed which provide the corrosion inhibition of calcium nitrite without the corresponding set acceleration. The additive compositions are stable, single phase aqueous solutions consisting essentially of water and, as solutes, a major amount by weight of calcium nitrite and a minor amount by weight of corn syrup, a hydroxycarboxylic acid, or an alkali metal or alkaline earth metal salt of a hydroxycarboxylic acid.

REFERENCES:
patent: 4092109 (1978-05-01), Rosenberg et al.
patent: 4285733 (1981-08-01), Rosenberg
patent: 4318744 (1982-03-01), Dodson

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