Foamed cementitious composition and method of making

Details Foamed cementitious composition and method of making Foamed cementitious composition and method of making

1991-07-05

1993-10-05

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521100, 106122, C04B 3800, C08J 900

Patent

active

052505782

ABSTRACT:
A foamed cellular cementitious composition useful for sound absorbing, thermal insulation and fire proofing is described. The cementitious composition is produced utilizing a mineral cement, an aggregate, water, and a stabilized foaming composition which includes at least one water-soluble film forming agent, and at least one foaming agent. The stabilized foaming composition provides air to the cementitious composition in an amount substantially in excess of that used in conventional air entrainment of cements. The film forming agent is preferably a resin emulsion and the foaming agent is preferably a nonionic surfactant, anionic surfactant or mixture thereof. The cementitious compositions have a density which is substantially lower than the density of a composition composed of mineral cement and aggregate per se.

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patent: 4325736 (1982-04-01), Okada et al.
patent: 4596834 (1986-06-01), Widener et al.

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