Oil and water repellent textile composition containing a fluorochemical polyurethane resin and a quaternary ammonium salt

Claim 2

A composition comprising a fluorochemical polyurethane textile resin and from about 3 to about 100%, based on the weight of resin, of a quaternary ammonium salt containing at least one long hydrocarbon chain, wherein the fluorochemical polyurethane textile resin is of the formula ##EQU11## where R f is perfluoroalkyl of 1 to 18 carbon atoms or said perfluoroalkyl substituted by perfluoroalkoxy of 2 to 6 carbon atoms; R 1 is straight or branched chain alkylene of 1 to 12 carbon atoms, or alkylenethioalkylene, alkyleneoxyalkylene of alkyleneiminoalkylene of 2 to 12 carbon atoms; R" and R'" each independently is straight or branched chain alkylene of 1 to 12 carbon atoms or C.sub.m H.sub.2m (OC.sub.k K.sub.2k).sub.r where m is 1 to 12, k is 2 to 6, r is 1 to 40, and A is the divalent residue of an organic diisocyanate.

Claim 3

A composition according to claim 1 in which the quaternary ammonium salt has the formula ##EQU12## where R 1 is branched or straight chain alkyl of 8 to 21 carbon atoms; phenylalkylene of 12 to 27 carbon atoms; branched or straight chain alkenyl of 8 to 21; or straight or branched chain alkadienyl of 8 to 21 carbon atoms; R 2 is branched or straight chain alkyl of 1 to 21 carbon atoms; phenylalkylene of 8 to 27 carbon atoms; γ-hydroxyalkyl of 2 to 4 carbon atoms; branched or straight chain alkenyl or alkadienyl of 8 to 21 carbon atoms; or the group of formula (CH.sub.2 CH.sub.2 O).sub.x H where x is an integer from 1 to 25; or R 2 is alkylene of 1 to about 8 carbon atoms containing a quaternized nitrogen atom whose substituents are alkyl, phenylalkylene, γ-hydroxyalkyl, alkenyl, alkadienyl or the group (CH.sub.2 CH.sub.2 O).sub.n H all as previously defined; R 3 and R 4 are selected from the same group as R 2 with the further limitation that only one of R 2 , R 3 and R 4 can be selected from the same group as R 1 ; and X - is an anion ##SPC5## where R 1 and X - are as defined above a is an integer from 0 to 3 R is selected from hydrogen, alkyl of 1 to 4 carbon atoms, hydroxyalkyl of 1 to 4 carbon atoms, halogen (Cl, Br, I, F) alkoxy of 1 to 4 carbon atoms, carboxyl, carbalkoxy of 2 to 4 carbon atoms, acetyl, benzyl, sulfo, carbamyl and cyano and ##SPC6## is pyridine, quinoline, isoquinoline, pyridazine or pyrimidine or ##SPC7## where a, X - , R, R 1 and R 3 are as previously defined and ##SPC8## is imidazole, benzimidazole, morpholine, piperidine, pyrrolidine, pyrazine, indazole, pyrazole, indole and pyrrole.

Claim 4

A composition according to claim 2 in which the quaternary ammonium salt has the formula ##EQU13## where R 1 is branched or straight chain alkyl of 8 to 21 carbon atoms; phenylalkylene of 12 to 27 carbon atoms; branched or straight chain alkenyl of 8 to 21; or straight or branched chain alkadienyl of 8 to 21 carbon atoms; R 2 , r 3 and R 4 are each independently alkyl of 1 to 4 carbon atoms, hydroxyalkyl of 2 to 4 carbon atoms or benzyl.

Claim 5

A composition according to claim 2 in which the quaternary ammonium salt has the formula ##EQU14## where R 1 is as defined R 2 and R 3 are methyl and R 4 is methyl or benzyl.

Claim 6

A composition according to claim 4 in which R 4 is methyl.

Claim 7

A composition of claim 1 further comprising water.