Vat dye-quaternary ammonium polyacrylate ester composition and continuous pad dyeingtherewith

Claim 1

A DYE COMPOSITION COMPRISING AN AQUEOUS DISPERSION OF ONE PART BY WEIGHT OF A VAT DYE HAVING A PARTICLE SIZE OF NO GREATER THAN 5 MICRONS AND FROM ABOUT 3 PARTS TO ABOUT 10 PARTS BY WEIGHT OF WATER CONTAINING FROM ABOUT 0.1 ABOUT 0.5 PART BY WEIGHT OF A MONOMER POLYMER MIXTURE CONSISTING ESSENTIALLY OF A MONOMER HAVING THE STRUCTURE (H2C=C(-R1)-COO-R2-N(+)(-R3)(-R4)-R5) A(-) AND POLYMERS THEREOF, WHEREIN R1 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND METHYL; R2 IS AN ALKYLENE RADICAL OF 2 TO 4 CARBON ATOMS; R3 AND R4 ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, ALKYL RADICALS OF 1 TO 4 CARBON ATOMS AND, WHEN TAKEN TOGETHER, FORM A RING OF 5 TO 6 CARBON ATOMS WITH THE NITROGEN TO WHICH THEY ARE ATTACHED; R5 IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, BENZYL AND ALKYL RADICALS OF 1 TO 4 CARBON ATOMS; AND A IS AN ANION OF AN ACID SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE INORGANIC AND WATERSOLUBLE ORGANIC ACIDS, SAID MONOMERIC-POLYMERIC MIXTURE HAVING A BROOKFIELD VISCOSITY FROM ABOUT 400 CENTIPOISES TO ABOUT 100,000 CENTIPOISES IN A 30% AQUEOUS SOLUTION AT 30*C. AS MEASURED BY A BROOKFIELD VISCOMETER ROTATING AT 20 R.P.M.