Foamed cementitious composition and method of making

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

C - Chemistry, Metallurgy

04

B

C04B 38/02 (2006.01) C04B 28/02 (2006.01)

Patent

CA 2111979

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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