Process for inhibiting corrosion of iron or steel placed in ceme

Details Process for inhibiting corrosion of iron or steel placed in ceme Process for inhibiting corrosion of iron or steel placed in ceme

1974-12-19

1976-08-24

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Corrosion inhibiting coating composition

106 90, 106 98, 252389R, 252389A, C04B 735

Patent

active

039764940

ABSTRACT:
This invention relates to a process for inhibiting corrosion of iron or steel such as reinforcing bars etc. placed in cement products such as paste, mortar and concrete containing a chloride which comprises adding a nitrite and a phosphoric ester, a nitrite and a boric ester or a nitrite and a mixture of a phosphoric ester and a boric ester to the cement.

REFERENCES:
patent: 2830069 (1958-04-01), Smith
patent: 3422166 (1969-01-01), Davis
patent: 3427175 (1969-02-01), Angstadt et al.
patent: 3729497 (1973-04-01), Sawyer et al.

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