PHOSPHORUS-CONTAINING FIREPROOF COMPOSITIONS FOR WOOD ON BASIS OF NITROGEN COMPOUND PRODUCTS OF AMINOLYSIS OF POLYCARBONATE

The purpose of the yielded work is synthesis and studying of properties of fireproof compositions for wood on the basis of aminolysis products polycarbonate. Monoethanolamine, diethanolamine, ethylenediamine, diethylenetriamine and polyethylenepolyamine were used as the amines. Aminolysis products are a mixture consisting of amine adduct and diphenylolpropane, the excess amine, and other degradation products polycarbonate having urea or urethane groups. Aminolysis products by acidification with hydrochloric acid will precipitate out — diphenylolpropane. Obtained after the separation of the slurry nitrogen-containing portion of the product is used in the aminolysis reaction Kabachnik–Fields as a reagent for the synthesis of amine-containing -aminomethylene acids. Further phosphorylation resulting product is neutralized with aqueous ammonia solution to give the ammonium salts of -aminomethylene acids. Neutralized with aqueous ammonia solution product is used as fireproof composition for wood and arboreal stuffs. Initial evaluation of the effectiveness of phosphorus-containing fireproof showed that at a rate of more than 125 g
m2 all fireproof composition provide a weight loss of wood samples of less than 9 %.