Foamed cementitious material and composite

Details Foamed cementitious material and composite Foamed cementitious material and composite

1976-05-13

1978-09-12

Poer, J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

106 86, 106 87, 106 88, C04B 1502

Patent

active

041139135

ABSTRACT:
A foamed cementitious material comprising portland cement and a film-forming, water-resistant, alkali-stable emulsion polymer and process of preparing said foamed material is described. Also described are laminated cementitious composites of an unfoamed veneer of a mixture of portland cement and a film-forming, water-resistant, alkali-stable emulsion polymer applied at the surface of a layer of the above-described foamed cementitious material, and, optionally, a layer of plywood or metal further applied at the exposed foamed material surface are described. These materials are useful as exterior building covering articles.

REFERENCES:
patent: 1983021 (1934-12-01), Eaton
patent: 2946158 (1960-07-01), Seipt
patent: 3147177 (1964-09-01), Owens et al.
patent: 3870553 (1975-03-01), Hussey
patent: 3979217 (1976-09-01), Sutton

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