Polyfluoro nitrogen-containing organic compounds

Details Polyfluoro nitrogen-containing organic compounds Polyfluoro nitrogen-containing organic compounds

1994-02-02

1995-05-09

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Isocyanate esters

560337, 560358, 560359, 564 38, 564 54, 252 86, 252 875, 252 88, 252 87, 428224, 428288, 428289, 4283193, 544221, 544222, C07C26502, C07C26514, C07C27514, D06M 15576

Patent

active

054141117

ABSTRACT:
Polyfluoro organic compound having at least one urea linkage derived from: (1) at least one polyisocyanate containing at least three isocyanate groups, (2) at least one fluorochemical compound which contains per molecule (a) a single functional group having one or more Zerewitinoff hydrogen atoms and (b) at least two carbon atoms each of which contains at least two fluorine atoms, and (3) water in an amount sufficient to to react with from about 5% to about 60% of the isocyanate groups.

REFERENCES:
patent: 3987227 (1976-10-01), Schultz et al.
patent: 4877540 (1989-10-01), Engelhardt et al.

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