Phosphate cement including fly ash for high-strength concrete-li

Details Phosphate cement including fly ash for high-strength concrete-li Phosphate cement including fly ash for high-strength concrete-li

1986-10-24

1988-06-07

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106121, 106DIG1, 501111, C04B 904

Patent

active

047494131

ABSTRACT:
Rapid-setting compositions based on MgO and Al(H.sub.2 PO.sub.4).sub.3 and having at least a ten-minute working time, and thus suitable for mortars and road patching, form concrete-like products having increased compressive strength when fly ash is present. Fly ash reacts with aluminum phosphate to form a cementitous composition whose compressive strength is the cause of the strength increase observed in the MgO/Al(H.sub.2 PO.sub.4).sub.3 reaction product.

REFERENCES:
patent: 3924534 (1975-12-01), Cassidy
patent: 3960580 (1976-06-01), Stierli et al.
patent: 4152167 (1979-05-01), Horvitz et al.
patent: 4174227 (1979-11-01), Tomic
patent: 4394174 (1983-07-01), Tomic
Chemical Abstracts (16), pp. 299-300, 126164r, Duderov, vol. 94 (1981).

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