Aqueous textile finishing composition containing methylol higher fatty acid monoamides

Claim 1

A PROCESS OF PREPARING A TEXTILE FINISHING COMPOSITION WHICH COMPRISES: (1) FORMING A DISPERSION OF METHYLOL FATTY ACID AMIDES BY HEATING TOGETHER AT 60 TO 100* C. UNDER VIGOROUS AGITATION (A) A FATTY ACID AMIDE MIXTURE WHICH MELTS BETWEEN 90 AND 100* C. IN WATER AND IN WHICH THE TOTAL CONTENT OF STEARAMIDE AND PALMITAMIDE EXCEEDS 80% BY WEIGHT, (B) WATER, AND (C) A MOLECULAR EXCESS OF FORMALDEHYDE, DURING A PORTION OF WHICH HEATING STEP AT LEAST THE FATTY ACID AMIDES AND WATER ARE AGITATED TOGETHER AT A TEMPERATURE BETWEEN THE MELTING POINT OF THE AMIDE MIXTURE AND 100* C. TO EMULSIFY THE AMIDES, AND DURING A SUBSEQUENT PORTION OF WHICH THE DISPERSED FATTY ACID AMIDE, FORMALDEHYDE AND WATER ARE AGITATED AT PH 7.5 TO 9 AND AT 75 TO 100* C.; (2) FILTERING OFF THE METHYLOL FATTY ACID AMIDE AND WASHING OUT THE EXCESS FORMALDEHYDE FROM THE FILTER CAKE; AND (3) MIXING THE FILTER CAKE WITH FROM 10 TO 30% POLYVINYL ALCOHOL IN AQUEOUS SOLUTION AND WITH FROM 2 TO 5% OF A WATERSOLUBLE LONG-CHAIN ALCOHOL SULFATE CONTAINING FROM 12 TO 18 CARBON ATOMS, THE PERCENTAGES IN EACH CASE BEING BASED ON THE DRY WEIGHT OF METHYLOL FATTY ACID AMIDE IN THE FILTER CAKE.