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

1995-08-08

1996-12-03

Nakarani, D. S.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

428288, 428289, 4284231, 528 70, 560335, 560349, 560356, 560357, 560358, 560359, 252 862, D06M 13398, C07C26502, C07C26512, C07C26514

Patent

active

055806457

ABSTRACT:
A substrate having oil-, water- and soil-repellency and/or soil release properties is produced by treating the substrate with 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 hydrogen atom S and (ii) at least 2 carbon atoms each of which contains at least 2 fluorine atoms, and (C) sufficient water to react with from about 5% to about 60% of the isocyanate groups.

REFERENCES:
patent: 3201372 (1965-08-01), Wagner
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patent: 3987227 (1976-10-01), Schultz
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patent: 4340749 (1982-07-01), Patel
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patent: 4504401 (1985-03-01), Matsuo et al.
patent: 4668406 (1987-05-01), Chang
patent: 4782175 (1988-11-01), Wehowsky et al.
patent: 4877540 (1989-10-01), Engelhardt et al.
patent: 4898981 (1990-02-01), Falk et al.

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