Processing for rendering leather hydrophobic and oleophobic by i

Details Processing for rendering leather hydrophobic and oleophobic by i Processing for rendering leather hydrophobic and oleophobic by i

1988-08-22

1990-11-20

Lusigman, Michael

Coating processes

Spraying

427389, 4273934, 4274301, 428421, 428473, B05D 102, B05D 118

Patent

active

049718355

ABSTRACT:
The leather is treated with a resin, quaternary ammonium compound, amine or polymer before the impregnation with the fluoro chemicals. With these auxiliaries, a uniform effectiveness of the fluoro chemicals which act on the surface is achieved, regardless of the procedure or the chemicals previously introduced into the leather. These auxiliaries can optionally also be applied to the leather together with the fluoro chemicals.

REFERENCES:
patent: 3331701 (1967-07-01), Gagliardi
patent: 3518114 (1970-06-01), Pittman et al.
patent: 3666538 (1972-05-01), Domba

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