Process for the printing of shaped articles derived from...

Details Process for the printing of shaped articles derived from... Process for the printing of shaped articles derived from...

D - Textiles, Paper

06

P

8/31.07

D06P 1/52 (2006.01) C09B 67/20 (2006.01) D06M 13/288 (2006.01) D06P 1/90 (2006.01) D06P 1/92 (2006.01) D06P 3/24 (2006.01) D06P 5/00 (2006.01)

Patent

CA 1302015

ABSTRACT OF THE DISCLOSURE A process of printing a predetermined pattern on a poly(m-phenyleneisophthalamide)-containing textile fabric comprising the successive steps of: (a) applying a print paste, composed of a highly polar solvent selected from the group consisting of dimethylsulfoxide, N,N-dimethylacetamide, N- methyl-2-pyrrolidone, and mixtures thereof, the polar solvent adapted to swell the aramid fiber and introduce a dyestuff therein, at least one organic dyestuff that is soluble in the polar solvent, a print paste thickening agent compatible with both the polar solvent and the dyestuff, water and optionally at least one flame retardant, in a predetermined pattern onto the surface of the aramid textile; and (b) drying and curing the thus printed fabric at an elevated temperature sufficient to permeate and fix the dyestuff molecules inside the aramid fibers.

537056

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