Hydraulic cement mixes and process for improving cement mixes

Details Hydraulic cement mixes and process for improving cement mixes Hydraulic cement mixes and process for improving cement mixes

1978-02-09

1979-09-25

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106104, 106314, 106315, C04B 735

Patent

active

041689844

ABSTRACT:
Improved hydraulic cement mixes are made by incorporating into such mixes an admixture comprising at least one acetic acid ester of a glycol in an amount sufficient to increase the compressive strength of products made from such mixes. In portland-type cement mixes, these admixtures also act as set accelerators. In high-alumina cement mixes, the admixtures not only increase strength but also inhibit the spontaneous loss of strength which is generally characteristic of high-alumina cements. A preferred admixture is ethylene glycol diacetate in an amount of up to about 3.0% by weight based upon the weight of the cement, preferably in an amount of between about 0.01% and 2.0% by weight.

REFERENCES:
patent: 1998667 (1935-04-01), Fritz et al.

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