Methods of preparing iron oxide mortars or cements with admixtur

Details Methods of preparing iron oxide mortars or cements with admixtur Methods of preparing iron oxide mortars or cements with admixtur

1977-06-17

1980-02-12

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 93, 106 97, 106 98, C04B 735

Patent

active

041882318

ABSTRACT:
A mortar or cement composition is provided which is adapted for being mixed with water and thereafter set. The composition comprises cement mixed with iron oxide in a ratio of about 1:4. At least one admixture is added from a group consisting of functional water-reducer admixtures, thickener admixtures and defoamer admixtures. The functional water reducer admixture is used to increase the density of the mortar or cement without substantially retarding the setting thereof and without entraining substantial amounts of air. The defoamer admixture is added to reduce air content of the mortar or concrete and to increase the density thereof. The thickener is adapted to inhibit bleeding of water from the mortar or cement. The method of the invention involves making a mortar or cement composition which comprises adding to cement and iron oxide at least one admixture selected from the group consisting of functional water-reducer, thickener, and defoamer admixtures. The thickener admixture may be added to enhance pumpability of the mortar or concrete and the defoamer admixture is used to compensate for the air entrained by the thickener admixture.

REFERENCES:
patent: 2279262 (1942-04-01), Edwards
patent: 2526674 (1950-10-01), Larsen
patent: 2880102 (1959-03-01), Woodard et al.
patent: 3232777 (1966-02-01), Bush
patent: 3357851 (1967-12-01), Montgomery
patent: 3442672 (1969-05-01), Kampf

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