Foamable compositions

Details Foamable compositions Foamable compositions

C - Chemistry, Metallurgy

04

B

C04B 38/02 (2006.01) C04B 28/26 (2006.01) C08J 9/06 (2006.01)

Patent

CA 2048881

Case 7576/7608(2) ABSTRACT OF THE DISCLOSURE FOAMABLE COMPOSITIONS This invention relates to a foamable silicate composition comprising (a) one or more alkali metal silicates, (b) a blowing agent, (c) a hardener which can be an acetate or a formate ester of a di- polyhydric alcohol or a polyoxyalkylene glycol and (d) a surfactant having a hydrophilic-lypophilic balance of at least 8. The formulations are readily produced by mixing the components, are pourable, pumpable and sprayable, and give rise to foams of excellent compressive strength and thermal insulation properties under ambient conditions.

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