Hardener for production solid foams or compact structure from aq

Details Hardener for production solid foams or compact structure from aq Hardener for production solid foams or compact structure from aq

1974-04-23

1978-01-31

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106 74, 106 75, 260 294R, 260 39M, 260 39R, 260395B, 260 69F, 260 71, 260 25B, C08J 914

Patent

active

040714802

ABSTRACT:
In the production of foams or compact materials by adding an acidic hardener to an aqueous system containing at least one of an organic and an inorganic component capable of being hardened thereby, the improvement which comprises employing boron phosphate as said hardener. Preferred components comprise urea-formaldehyde or thiourea-formaldehyde and/or an alkali metal silicate. A polyhydric alcohol such as glycerine and/or a gelling agent may also be included along with a foaming agent.

REFERENCES:
patent: 3178299 (1965-04-01), Eppstein
patent: 3977888 (1976-08-01), Sano et al.
"Catalysts for Polymerization of Aldehydes", Fukui et al., Chem. Abstracts, vol. 60, p. 3124e.

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