Phosphate cement and mortar

Details Phosphate cement and mortar Phosphate cement and mortar

1982-06-01

1983-07-19

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106121, 501111, 501118, 501119, C04B 904

Patent

active

043941745

ABSTRACT:
A storable cement product is a dry mixture of magnesium oxide (MgO) and aluminum phosphate, or a product containing MgO and, separated therefrom, an aqueous aluminum phosphate solution, some or all of an inert aggregate component optionally being present in either product. In 45-kg samples, the mortar formed when the MgO, phosphate, water, and aggregate are combined attains an exotherm in the range of about 40.degree.-90.degree. C. after an interval of 10 minutes. The mortar hardens quickly thereafter, and is uniquely suited for patching roads under varying conditions of application and use. The reaction exotherm is controlled by a unique combination of the concentrations of the four critical components, and the surface area and particle size of the MgO.

REFERENCES:
patent: 2450952 (1948-10-01), Greger
patent: 3525632 (1970-08-01), Enoch
patent: 3658563 (1972-04-01), Washio et al.
patent: 3923534 (1975-12-01), Cassidy

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