Admixture for hydraulic cement

Details Admixture for hydraulic cement Admixture for hydraulic cement

1983-04-11

1984-09-25

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106315, C04B 735

Patent

active

044734050

ABSTRACT:
The present invention is a specific combination of components having unique properties both in composition and benefits. Such a combination has been found in alkali or alkaline earth metal nitrates, alkanolamines and alkali or alkaline earth metal thiocyanates. In such combinations it has also been found that alkaline and alkali earth thiosulfates and chlorides below the concentration level where corrosion is promoted may advantageously be substituted for all or part of the thiocyanates and that diethanolamine, N,N-di(hydroxyethyl)glycine (bicine) and N,N-di(hydroxyethyl)-.beta.-aminopropionic acid (DAPA) and certain alkanolamines and alkanolamino acids and derivatives may advantageously be substituted for all or part of the triethanolamine.

REFERENCES:
patent: 3782991 (1974-01-01), Burge
patent: 4256500 (1981-03-01), Turpin
patent: 4298392 (1981-11-01), Isselmann
patent: 4337094 (1982-06-01), Tokar
patent: 4373956 (1983-02-01), Rosskopf

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