Fluorinated ethoxylated polyurethanes

1. A composition comprising a compound of Formula 1, where the compounds present fitting Formula 1 have no reaction in the composition;

[R f —(X) n —(CH 2 CHR 1 —O) m —CH 2 CH 2 —O—C(O)—NH] p -A  Formula 1

wherein

R f is a C 1 to C 6 perfluoroalkyl;

X is —O—, —CH 2 O—, —CH 2 —,

—CH 2 CH 2 O—, or —S(O) 2 N(R 2 )CH 2 CH 2 O— wherein R 2 is C 1 to C 4 alkyl;

n is 0 or 1;

R1 is H or C 1 to C 4 alkyl;

m is 1 to 20;

p is a positive integer of at least 2; and

A is the residue of a polyisocyanate selected from the group consisting of a hexamethylene diisocyanate, hexamethylene diisocyanate trimer, hexamethylene diisocyanate homopolymer; isophorone diisocyanate; hydrocarbon diisocyanate-derived isocyanurate trimers; isocyanurate trimer of toluene diisocyanate; isocyanurate trimer of 3-isocyanatomethyl-3,4,4-trimethylcyclohexyl isocyanate; methane-tris-(phenylisocyanate); bis-(4-isocyanatocyclohexyl)methane; 2,4-toluene diisocyanate; 2,6-toluene diisocyanate; diphenylmethane 4,4′-diisocyanate; diphenylmethane 2,4′-diisocyanate; 3-isocyanatomethyl-3,4,4-trimethylcyclohexyl isocyanate; bis-(4-isocyanatocyclohexyl)methane and diisocyanate trimers of formula (IIa), (IIb), (IIc), and (IId):

wherein the residue contains no active isocyanate groups;

wherein the compound is the reaction product of reagents consisting essentially of a fluorinated alcohol of Formula 2

[R f —(X) n —(CH 2 CHR 1 —O) m —CH 2 CH 2 —OH  Formula 2

and a polyisocyanate, where R f , X, n, R 1 , and m are defined as above.

2. The compound of claim 1 wherein R f is a C 4 to C 6 perfluoroalkyl.

3. The compound of claim 2 wherein A is a residue of isophorone diisocyanate, hexamethylene diisocyanate, hexamethylene diisocyanate trimer, or a diisocyanate trimer of formula (IIa), (IIb), (IIc), and (IId):

4. The compound of claim 2 wherein X is —CH 2 CH 2 O—.