Nitrogen-gas-stabilized cement and a process for making and usin

Details Nitrogen-gas-stabilized cement and a process for making and usin Nitrogen-gas-stabilized cement and a process for making and usin

1981-01-21

1982-06-08

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 90, 166293, 166294, C04B 2102

Patent

active

043337643

ABSTRACT:
A hydraulic cement slurry which forms a gas-locked cement which contains microsized clefts that are filled with nitrogen gas and is both impermeable and non-shrinking is formed by dissolving in the slurry mix water a correlated amount of gas-forming reactants having a delayed rate of reaction such that the gas production occurs mainly at the time the volume of the slurry mix water is being reduced to a low value during the setting and hardening of the cement.

REFERENCES:
patent: 3591394 (1971-07-01), Diggelmann et al.
patent: 4142909 (1979-03-01), Gaines
patent: 4234344 (1980-11-01), Tinsley et al.

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