Cement retarder and rapid hardening cement containing the same

Details Cement retarder and rapid hardening cement containing the same Cement retarder and rapid hardening cement containing the same

1978-06-26

1980-02-26

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 97, 106315, C04B 735

Patent

active

041904540

ABSTRACT:
A cement retarder is provided which comprises 5 to 20% by weight, based on the weight of said retarder, of gluconic acid and/or tartaric acid and/or a water soluble salt thereof, 30 to 10% by weight, based on the weight of said retarder, of citric acid and/or an alkali salt thereof, and 50 to 85% by weight, based on the weight of said retarder, of an alkali carbonate. A rapid hardening cement is also provided which contains the above cement retarder.

REFERENCES:
patent: 3656985 (1972-04-01), Bonnel et al.
patent: 3782984 (1974-01-01), Allemand et al.
patent: 4032353 (1977-06-01), Ball et al.

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