SYNERGISTISK BRANDHAEMMENDE MIDDEL TIL BEHANDLING AF CELLULOSEMATERIALER DETS FREMSTILLING OG ANVENDELSE SAMT DERMED IMPRAEGNERET CELLULOSEMATERIALE

摘要

Synergistic fire retardants for wood and other cellulosic materials which are substantially non-hygroscopic and which do not require high curing temperatures in the material treated are formed of the partial reaction product of dicyandiamide, phosphoric acid, boric acid and water wherein the combined weight ratio of dicyandiamide and phosphoric acid to boric acid is from about 60 to about 40 to from about 90 to about 10.