Substrates treated with polyfluoro nitrogen containing organic c

Details Substrates treated with polyfluoro nitrogen containing organic c Substrates treated with polyfluoro nitrogen containing organic c

1993-12-10

1995-05-02

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Heating or drying

811551, 81156, 811564, 811566, 252 875, B05D 302

Patent

active

054117666

ABSTRACT:
Process for imparting oil-, water- and soil-repellency and/or soil release properties to a substrate, and substrates so-treated, which comprises applying to the substrate a polyfluoro organic compound having at least 1 urea linkage derived from: (A) at least 1 polyisocyanate which contains at least three isocyanate groups per molecule, (B) at least 1 fluorochemical compound which contains (i) a single functional group having 1 or more Zerewitinoff H's and (ii) at least 2 C's each of which contains at least 2 F's, and (C) sufficient water to react with from about 5% to about 60% of the --NCO groups.

REFERENCES:
patent: 4504401 (1985-03-01), Matsuo et al.
patent: 4877540 (1989-10-01), Engelhardt et al.
patent: 5019428 (1991-05-01), Ludemann et al.
patent: 5153046 (1992-10-01), Murphy

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