Bleaching and dyeing; fluid treatment and chemical modification – Organic additive for dye composition – dye composition... – Five-membered hetero ring having two or more ring hetero...
Patent
1992-02-13
1994-01-04
Pal, Asok
Bleaching and dyeing; fluid treatment and chemical modification
Organic additive for dye composition, dye composition...
Five-membered hetero ring having two or more ring hetero...
8490, 8542, C09B 6700
Patent
active
052756270
ABSTRACT:
Aramid fabrics treated with N-cyclohexyl-2-pyrrolidone prior to or simultaneously with aqueous print pastes promote fabric printability and produces good coloration. Saturated steam or superheated steam at a temperature of at least 100.degree. C. permeates and fixes the dye inside of the aramid fibers. Print pastes containing N-cyclohexyl-2-pyrrolidone, dye and thickener are also described.
REFERENCES:
patent: 4073615 (1978-02-01), Lacroix et al.
patent: 4705523 (1987-11-01), Hussamy
patent: 4705527 (1987-11-01), Hussamy
patent: 4741740 (1988-05-01), Davis et al.
patent: 4759770 (1988-07-01), Cates et al.
patent: 4898596 (1990-02-01), Riggins et al.
patent: 4981488 (1991-01-01), Cates et al.
Cates Barbara J.
Kelly David R.
Riggins Phillip H.
Achutamurthy P.
Burlington Industries Inc.
Pal Asok
ProChrome Technologies, Inc.
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