Non-plastic hydraulic cement mixes and process for improving suc

Details Non-plastic hydraulic cement mixes and process for improving suc Non-plastic hydraulic cement mixes and process for improving suc

1978-12-11

1980-09-23

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 97, 106314, C04B 735

Patent

active

042240760

ABSTRACT:
A method is provided for improving the strength and other properties of non-plastic dry hydraulic cement mixes, such as the dry concrete mixes used for making concrete masonry units. The method comprises incorporating a synergistic combination of two additives into the cement mix. The first additive is a salified methyl or ethyl substituted benzene or naphthalene sulfonate, and is preferably added in an amount of between about 0.01 and 1%, by weight based upon the weight of the cement. The second additive is a tertiary aliphatic amine oxide, and is preferably added in an amount of between 0.001 and 0.1%.

REFERENCES:
patent: 3642506 (1972-02-01), Johnson
patent: 4019916 (1977-04-01), Golightly et al.
patent: 4125410 (1978-11-01), Natsuume

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