Process for the printing of cellulose containing textile material
AssigneeHoechst Aktiengesellschaft
InventorsWilly Gronen, Hasso Hertel
Life of this patent
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Abstract
A process for the printing of cellulose containing textiles or textiles consisting completely of cellulose with water-insoluble azo dyestuffs produced on the fiber, which comprises printing the material previously impregnated with alkaline liquors of .beta.-hydroxy-naphthoic acid arylamides or acetoacetic acid arylamides and sodium nitrite with a printing paste containing an aqueous dispersion of an amine suitable for ice color dyeing having a maximum grain size of 0.03 mm or less, acidifiers and a thickening, and finishing the prints after drying in usual manner by washing, soaping and rinsing.
Claims4
A process for the printing of cellulose containing textile or textiles consisting completely of cellulose with water-insoluble azo dyestuffs produced on the fiber, which comprises:
- printing the material previously impregnated with alkaline liquors of (1) .beta.-hydroxy-naphthoic acid arylamides and sodium nitrite or (2) acetoacetic acid arylamides and sodium nitrite, with a printing paste containing an aqueous dispersion of an amine suitable for ice color dyeing having a maximum grain size of 0.03 mm or less, acidifiers and a thickening, and finishing the prints after drying in usual manner by washing, soaping and rinsing.
Dependencies are inferred from the claim text.