Process for preparing a foamed body

Details Process for preparing a foamed body Process for preparing a foamed body

B - Operations, Transporting

28

B

261/2, 261/47

B28B 1/50 (2006.01) C04B 28/00 (2006.01) C04B 28/34 (2006.01)

Patent

CA 1065901

ABSTRACT OF THE DISCLOSURE The present invention provides a process for preparing a foamed body comprising a step of mixing the four components of: an aqueous solution having a pH of up to 2.0 and containing at least one of acids and water-soluble acidic phosphates, at least one of cement materials and anhydrous alkali metal sil- icates, a metal blowing agent, and a foaming stabilizer to obtain a pasty mixture, the acids having an electric dissociation constant (pKa) of up to 4.0 at 25° C, the foaming stabilizer being at least one member selected from the group consisting of activated carbon, zeolite, silica gel, carbon black, talc and mica.

260127

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