Fire retardants

C - Chemistry – Metallurgy – 08 – K

Patent

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117/33, 6/15.5

C08K 5/55 (2006.01) B27K 3/32 (2006.01) C09K 21/12 (2006.01) D06M 13/503 (2006.01) D06M 15/687 (2006.01)

Patent

CA 1151359

79F30 Abstract of the Disclosure 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 reduction product of dicyandiamide, phosphoric acid, boric acid and water wherein the combined weight ratio of dicyandiamide and phosphonic acid to boric acid is from about 60 to about 40 to from about 90 to about 10.

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