Admixture and method for improving hydraulic cement mixes

Details Admixture and method for improving hydraulic cement mixes Admixture and method for improving hydraulic cement mixes

1983-08-29

1985-05-28

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 97, 106104, 106314, C04B 735

Patent

active

045198420

ABSTRACT:
A hydraulic cement mix including hydraulic cement, aggregate, sufficient water to effect hydraulic setting of the cement, and an additive comprising a poly(hydroxyalkylated)polyethyleneamine or a poly(hydroxyethyl)polyethyleneimine or mixtures of each or both, the additive being present in an amount sufficient to increase the compressive strength of the hardened mix. Generally, the additive is present in a total amount of up to about 0.25% by weight based upon the weight of the cement, usually in an amount of between about 0.01% and about 0.25% by weight based upon the weight of the cement, preferably in an amount in the range of about 0.02% to about 0.07% by weight.

REFERENCES:
patent: 3674522 (1972-07-01), Brants et al.
patent: 4401472 (1983-08-01), Gerber

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