Processes for removing impurities from textile materials

Details Processes for removing impurities from textile materials Processes for removing impurities from textile materials

1975-02-21

1980-06-10

Michl, Paul R.

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Removing formation impurities from artifical fiber

8138, 8142, B08B 308

Patent

active

042070724

ABSTRACT:
Water or organic solvent soluble impurities are removed from textile materials at a treatment zone by applying to the material a first liquid capable of dissolving the impurities, following which a second liquid immiscible with the first liquid is applied to the material to expel the first liquid and the dissolved impurities. The two liquids are then separated and the material is removed from the treatment zone and dried without further contact with the first liquid.

REFERENCES:
patent: 2052891 (1936-09-01), Merrill
patent: 2056141 (1936-09-01), Myers
patent: 3404943 (1968-10-01), Morris
patent: 3458273 (1969-07-01), Case
patent: 3476504 (1969-11-01), Case
patent: 3619116 (1971-11-01), Saville
patent: 3630661 (1971-12-01), Ramier
patent: 3635656 (1972-01-01), Piepmeyer
patent: 3663160 (1972-05-01), Stone
patent: 3679590 (1972-07-01), Cormany

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