Process for dyeing crystalline aromatic polyamide fibers with wa

Details Process for dyeing crystalline aromatic polyamide fibers with wa Process for dyeing crystalline aromatic polyamide fibers with wa

1988-12-30

1989-11-28

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Confined gas phase superatmospheric pressure dyeing process

Steam

81493, 8151, 8493, 8497, 8925, 264178F, D06P 500, D06P 700

Patent

active

048834963

ABSTRACT:
A process for dyeing crystalline poly(meta-phenylene isophthalamide) fibers with a water-insoluble dye padded onto such fibers by heating with steam at critical temperatures first to activate the dye and thereafter to diffuse it into the fibers.

REFERENCES:
patent: 3133138 (1964-05-01), Alexander
patent: 3287324 (1966-11-01), Sweeny
patent: 3558267 (1971-01-01), Langenfeld
patent: 3888821 (1975-06-01), Milford
patent: 4710200 (1987-12-01), Cates et al.
patent: 4755335 (1988-07-01), Ghorashi

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