Patent ID: 6156240
Filing Date: 2000-12-05
Classification: C09K

Abstract:
An organic material flame retardant polynitrogen containing salt of polyboron oxyacid composition comprising of the following components:A) polynitrogen containing salt of polyboron oxyacid produced by the process of mixing and reacting the following components:a) boron compound selected from the group consisting of salts of boron oxyacids; in the amount of 25 to 100 parts by weight;b) nitrogen containing salt forming compound selected from the group consisting of ammonium carbonate, ammonium salt of inorganic compounds, amino compounds, aminoplasts, thiourea, alkyl carbamates, sulfamic acids, nitriles, alkyl isocyanates, urea, amides, polyamides and mixtures thereof; in the amount of 25 to 100 parts by weight;c) water, in the amount of 10 to 25 parts, wherein an excess of aqueous ammonia is added to react with the remaining boron oxyacid radicals;B) carbonization auxiliaries selected from the group consisting of phosphorus containing compounds, sulfur containing compounds and mixtures thereof that produce acidic components in the pyrolysis mixture of polynitrogen containing salt of polyboron oxyacid composition;C) fillers.