POLYFLUORO COMPOUND ITS PREPARATION METHOD SUPPORTING MATERIAL CONTAINING IT AND ITS USAGE FOR OIL-REPELLENCY WATER REPELANCY, AND SOIL RELEASE

摘要

(1) at least one polyisocyanate containing at least three isocyanate groups, (2) (a) a single functional group having one or more cerevitinov hydrogen atoms per molecule, and (b) at least containing at least two fluorine atoms each At least one fluorochemical compound containing two carbon atoms and (3) a polyfluoro organic compound having at least one urea bond derived from water in an amount sufficient to react with about 5% to about 60% isocyanate groups .