Flame resistant organic textile through treatment with halogen containing soluble methylol phosphine adducts

Claim 1

A PROCESS FOR PRODUCING FLAME-RESISTANT TEXTILE, SAID PROCESS COMPRISING: A. IMPREGNATING A TEXTILE WITH A SOLUTION CONTAINING AN ACIDPRODUCING CATALYST, AN AMINE OR AMIDE NITROGENOUS COMPOUND HAVING AT LEAST TWO MEMBERS OF THE GROUP CONSISTING OF HYDROGEN ATOMS AND METHYLOL RADICALS ATTACHED TO TRIVALENT NITROGEN ATOMS, AND AN ADDUCT MADE BY REACTING TRIS(HYDROXYMETHYL)PHOSHINE WITH AN ESSENTIALLY MMONOMERIC, HALOGEN-CONTAINING PHENOLIC COMPOUND HAVING AT LEAST ONE HYDROGEN ATOM ATTACHED TO A RING CARBON ATOM AT A POSITION ORTHO OR PARA TO THE PHENOLIC HYDROXYL GROUP BY HEATING AND AGITATING SOLUTION CONTAINING AT LEAST AN EQUIMOLAR TO A MOLAR EXCESS OF SAID TRIS(HYDROXYMETHYL)PHOSPHINE RELATIVE TO SAID PHENOLIC COMPOUND SO THAT THE NUMBER OF METHYLOL PHOSPHORUS RADICALS IS GREATER THAN THE NUMBER OF HYDROGEN ATOM ATTACHED TO RING CARBON ATOMS ORTHO OR PARA TO THE PHENOLIC HYDROXYL GROUP THEREBY PROVIDING AN EXCESS OF METHYLOL PHOSHORUS RADICALS (PCH2OH) IN THE RESULTING ADDUCT, AND B. HEATING THE IMPREGNATED TEXTILE FOR FROM ABOUT 90* TO 170*C UNTIL THE ADDUCT AND NITROGENOUS COMPOUND HAVE REACTED TO PRODUCE AN INSOLUBLE PRODUCT.