Abstract: A composition which provides surface effects to substrates comprising a polymer containing at least one urea linkage prepared by (i) reacting (1) at least one organic diioscyanate, polyisocyanate, or mixture thereof, and (2) at least one fluorochemical compound of Formula I Rf—O(CF2CF2)r(CH2CH2)q(R1)sXH??Formula (I) wherein Rf is a linear or branched C1 to C7 perfluoroalkyl optionally interrupted by one to three oxygen atoms, r is 1 to 3, q is 1 to 3, s is 0 or 1, X is O, S, or NR2 wherein R2 is H, or C1 to C6 alkyl, and R1 is a divalent radical selected from —S(CH2)n—, p is 1 to 50, and R3, R4 and R5 are each independently H or C1 to C6 alkyl; (ii) and then reacting with (3) water, a linking agent, or a mixture thereof.

Abstract: A composition comprising a compound of formula (I) or (II): wherein r and q are independently integers of 1 to 3; Rf is linear or branched chain perfluoroalkyl group having 1 to 6 carbon atoms; j is an integer 0 or 1, or a mixture thereof, x is 1 or 2, Z is —O— or —S—, X is hydrogen or M, and M is an ammonium ion, an alkali metal ion, or an alkanolammonium ion is disclosed.

Abstract: A composition comprising monomers copolymerized in the following percentages by weight: (a) from about 20% to about 95% of a monomer, or mixture of monomers, of formula (I): Rf—(CH2CF2)q(CH2CH2)r-Z-C(O)—C(R)?CH2 ??(I) wherein q and r are each independently integers of 1 to 3; Rf is a linear or branched perfluoroalkyl group having 2 to 6 carbon atoms; Z is —O—, —NR1— or —S—; R is hydrogen, Cl, F or CH3; R1 is hydrogen, or a C1 to C4 alkyl; and (b) from about 5% to about 80% of at least one of: (i) an alkyl (meth)acrylate monomer having a linear, branched or cyclic alkyl group of 6 to 18 carbons; or (ii) a monomer of formula (II): (R2)2N—R3—O—C(O)—C(R)?CH2 ??(II) wherein R is as defined above; each R2 is independently a C1 to C4 alkyl; and R3 is a divalent linear or branched C1 to C4 alkylene; and wherein the nitrogen is from about 40% to 100% salinized; or (iii) a mixture thereof; said composition providing oil repellency, water repellency, and stain resistance to substrates contacted therewi

Abstract: A polymer having at least one urea linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, having isocyanate groups, and (b) at least one fluorinated compound selected from the formula (I): Rf(CH2CF2)p(CH2CH2)q(R1)r—XH ??Formula (I) wherein p and q are each independently an integer of 1 to 3; r is 0 or 1; X is —O—, —NH— or —S—; R1 is a divalent radical selected from the group consisting of —S(CH2)n—, n is an integer of 2 to 4; s is an integer of 1 to 50; R2, R3, and R4 are each independently hydrogen or an alkyl group containing 1 to 6 carbon atoms; and Rf is a linear or branched chain perfluoroalkyl group having 1 to 6 carbon atoms; and (ii) reacting with (c) water, a linking agent, or a mixture thereof and methods for treating substrates to obtain surface effects is disclosed.

Abstract: A composition which provides surface effects to substrates comprising a polymer containing at least one urea linkage prepared by (i) reacting (1) at least one organic diioscyanate, polyisocyanate, or mixture thereof, and (2) at least one fluorochemical compound of Formula I Rf—O(CF2CF2)r(CH2CH2)q(R1)sXH ??Formula (I) wherein Rf is a linear or branched C1 to C7 perfluoroalkyl optionally interrupted by one to three oxygen atoms, r is 1 to 3, q is 1 to 3, s is 0 or 1, X is O, S, or NR2 wherein R2 is H, or C1 to C6 alkyl, and R1 is a divalent radical selected from —S(CH2)n—, p is 1 to 50, and R3, R4 and R5 are each independently H or C1 to C6 alkyl; (ii) and then reacting with (3) water, a linking agent, or a mixture thereof.

Abstract: A composition comprising one or more compounds of formula (I) or (II): wherein: Rf is a linear or branched perfluoroalkyl having 1 to 7 carbon atoms, optionally interrupted by one to three oxygen atoms, r and q are each independently an integer of 1 to 3, j is 0 or 1, or a mixture thereof, x is from about 1 to about 2, Z is —O—, —S—, or —NR—, R is hydrogen or an alkyl group containing 1 to 4 carbon atoms X is hydrogen or M, and M is an ammonium ion, an alkali metal ion, or an alkanolammonium ion, and its use in providing surface properties to substrates is disclosed.

Abstract: A composition comprising a compound of formula (I) or (II): wherein r and q are independently integers of 1 to 3; Rf is linear or branched chain perfluoroalkyl group having 1 to 6 carbon atoms; j is an integer 0 or 1, or a mixture thereof, x is 1 or 2, Z is —O— or —S—, X is hydrogen or M, and M is an ammonium ion, an alkali metal ion, or an alkanolammonium ion is disclosed.

Abstract: A process for reducing the level of perfluoroalkanoic acids, perfluoroalkanoic esters, and perfluoroalkyliodides in fluorinated alcohols comprising heating a fluorinated alcohol, or mixtures thereof, containing said acids, esters, or iodides to a temperature of at least 175° C. in the presence of water and a base additive is disclosed.