Inorganic cellular material and process for the manufacture ther

Details Inorganic cellular material and process for the manufacture ther Inorganic cellular material and process for the manufacture ther

1981-12-18

1983-08-30

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

501 84, C04B 2102

Patent

active

044014716

ABSTRACT:
An inorganic, phosphate-containing cellular material is manufactured from Portland cement, polyphosphoric acid and an expanding agent acting in an acidic medium. There may be added furthermore aluminous cement, oxides of calcium, zinc, aluminum, iron, hydroxides of aluminum and iron, fillers and reinforcing agents. By intense intermixing of the starting products a mixture is prepared which has an equivalent ratio of (Al+Mg+CA+Fe) to phosphate of 0.8:1 to 3.0:1. The mixture foams, is charged to a mold, heated if necessary to a temperature of 80.degree. C., and after completed exothermal reaction hardened under heat.

REFERENCES:
patent: 4084980 (1978-04-01), Motoki

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