Process for coating fabrics with fluorochemicals

Details Process for coating fabrics with fluorochemicals Process for coating fabrics with fluorochemicals

1990-10-23

1992-01-28

Beck, Shrive

Coating processes

With post-treatment of coating or coating material

Chemical agent applied to treat coating

427354, 4274342, 427381, B05D 302

Patent

active

050843060

ABSTRACT:
A process for coating carpets with fluorochemical emulsions is disclosed. The process comprises treating the fabric with a fluorochemical emulsion then heating, rinsing and, finally, drying the treated fabric. The process is characterized in that the emulsion has a pH and divalent metal ion concentration sufficient to effect transfer of the fluorochemical from the emulsion to the carpet during the heating step.

REFERENCES:
patent: 3374107 (1968-03-01), Cotton
patent: 3467612 (1969-09-01), Gagliardi
patent: 3991236 (1976-11-01), Fleissner
patent: 4397909 (1983-08-01), Goddard et al.
patent: 4507324 (1985-03-01), Olive et al.
patent: 4592940 (1986-06-01), Blyth et al.
patent: 4668406 (1987-05-01), Chang
patent: 4695497 (1987-09-01), Nagy, Jr. et al.
patent: 4875901 (1989-10-01), Payet et al.
patent: 4937123 (1990-06-01), Chang et al.

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