Bleaching and dyeing; fluid treatment and chemical modification – Organic additive for dye composition – dye composition... – Polymeric additive
Patent
1986-05-14
1987-11-10
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Organic additive for dye composition, dye composition...
Polymeric additive
8490, 8574, 8543, 8586, 8587, 8650, 8654, 8680, 8925, 8938, C09B 6700
Patent
active
047055278
ABSTRACT:
A process of printing a predetermined pattern on a poly(m-phenyleneisophthalamide)-containing textile fabric comprises 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 and water 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.
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Burlington Industries Inc.
Clingman A. Lionel
LandOfFree
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