Process for the continuous dyeing of textile webs pre-heated wit

Details Process for the continuous dyeing of textile webs pre-heated wit Process for the continuous dyeing of textile webs pre-heated wit

1979-12-14

1980-12-30

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Dyeing process utilizing electric, magnetic, or wave energy;...

81493, 8529, 8652, D06P 520, D06P 360, D06P 314

Patent

active

042420911

ABSTRACT:
Process for the continuous dyeing of textile webs made from cellulose fibers or wool, or mixtures containing such fibers, with reactive or sulfur dyestuffs in reduced form, or with reactive or acid dyestuffs, which comprises preheating the textile material to temperatures of from 97.degree. to 104.degree. C. by means of IR radiators or microwaves while maintaining a residual moisture corresponding at least to the water retention amount (normal humidity) of the fibers, and subsequently treating it with steam for 10 to 300 seconds without applying additional pressure, in order to fix the dyestuffs.

REFERENCES:
patent: 2206611 (1940-07-01), Lantz
patent: 3724997 (1973-04-01), von der Eltz
patent: 3932129 (1975-01-01), Porter

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