Additive composition for Portland cement materials

Details Additive composition for Portland cement materials Additive composition for Portland cement materials

1981-05-11

1982-06-29

Vertiz, O. R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106315, C04b 706

Patent

active

043370942

ABSTRACT:
An additive composition has been formulated which accelerates the setting time, and also improves the compressive strength of Portland type cement, mortars and concretes. The additive composition consists essentially of a concentrated aqueous solution of calcium nitrate and a waste byproduct stream of a mixture of polyethanolamines (referred to as "triethanolamine bottoms") to which solution is added a minor amount of an alkali metal or alkaline earth metal salt of a polyhydroxy aliphatic compound such as gluconic acid, or of lignosulfonic acid.

REFERENCES:
patent: 2437842 (1946-03-01), Uhler
patent: 3100526 (1963-08-01), Martin
patent: 3427175 (1969-02-01), Angstadt et al.

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