Process for the manufacture of foamed plastics with improved...

Details Process for the manufacture of foamed plastics with improved... Process for the manufacture of foamed plastics with improved...

C - Chemistry, Metallurgy

08

G

403/31

C08G 18/54 (2006.01) C08G 18/16 (2006.01)

Patent

CA 1091850

PROCESS FOR THE MANUFACTURE OF FOAMED PLASTICS WITH IMPROVED COMBUSTION CHARACTERISTICS Abstract of Disclosure Production of foamed plastics with improved combustion characteristics by condensing aqueous solutions of aminoplast precondensates with at least bifunctional organic isocyanates whereby an acid curing catalyst and an accelerator for polyurethane formation is used. For performing the condensation, the aqueous solution of the precondensate is added to the mixture of isocyanate and the accelerator at the same time as but separately from the acid curing catalyst.

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