Process for continuously dyeing filaments of slivers of wet-spun

Details Process for continuously dyeing filaments of slivers of wet-spun Process for continuously dyeing filaments of slivers of wet-spun

1975-01-14

1977-03-22

Michl, Paul R.

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8177R, D06P 370

Patent

active

040134067

ABSTRACT:
The invention relates to a process for the continuous uniform and penetrative dyeing with high fastnesses of slivers or filaments of acrylonitrile polymers which have been produced by a standard wet-spinning process wherein the slivers or filaments prior to dyeing are subjected to a combined washing, pressing and drying pretreatment.

REFERENCES:
patent: 3080209 (1963-03-01), Fujisaki
patent: 3093867 (1963-06-01), Chandler
patent: 3111357 (1963-11-01), Wirth
patent: 3113827 (1963-12-01), Moore
patent: 3447887 (1969-06-01), Lindenhovius

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