Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Combined liquid and gas or vapor
Patent
1976-08-20
1977-12-27
Coe, Philip R.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Combined liquid and gas or vapor
8151, D06B 324
Patent
active
040645835
ABSTRACT:
Process for the continuous wet treatment of textile material in the form of endless ropes under high temperature conditions, which comprises conducting the material at open width into a sealed-off pressure container, impregnating it therein with an HT bath and transporting it forward in a stream of the liquid that runs off, pulling it together to form a rope and having this rope further penetrated by the circulated impregnation bath during its passage through a heavily flooded reactor installed in the pressure container, then withdrawing it therefrom through at least two pressure locks positioned one behind the other under graduated pressure into a dwelling chamber placed under atmospheric pressure and exposing it therein, in stored condition, to the action of a vapor atmosphere or to the flooding with optionally another treatment liquor at most at boiling temperature or less.
REFERENCES:
patent: 1342935 (1920-06-01), Bancroft
patent: 2873597 (1959-02-01), Fahringer
patent: 3324486 (1967-06-01), Kurosaki
patent: 3949577 (1976-04-01), Fleissner
patent: 3955386 (1976-05-01), Meier-Windhorst
Coe Philip R.
Hoechst Aktiengesellschaft
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