DE2822932
Flame retardant, mechanically stable aminoplast foam is prepd. by mixing an aq. soln. of a precondensate of a carbonyl cpd. and an amino cpd. at room temp. with an acid hardener soln. in the presence of a flame retardant and an only partially or non-flammable surfactant and simultaneously foaming wi...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | Flame retardant, mechanically stable aminoplast foam is prepd. by mixing an aq. soln. of a precondensate of a carbonyl cpd. and an amino cpd. at room temp. with an acid hardener soln. in the presence of a flame retardant and an only partially or non-flammable surfactant and simultaneously foaming with air or a gas and hardening the prod. Foam may be used in building and transport application and for insulation. |
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