Patent ID: 8729138

Claim:
A mixture of polyfluoroalkylsulfonamido alkyl amines comprising: i) at least one polyfluoroalkylsulfonamido alkyl amine represented by R f —(CH 2 ) n —S(O) 2 —N(R 1 )—C(R 5 )(R 6 )—C m H 2m —N(R 4 ) 2 (Formula 7); and ii) at least one di(polyfluoroalkylsulfonamido alkyl) analog of i) as represented by [R f —(CH 2 ) n —S(O) 2 —N(R 1 )—C(R 5 )(R 6 )—C m H 2m —] 2 N +k (R 4 ) k+1 [Q − ] k (Formula 8); wherein Q is a monovalent anion; k is 0 or 1; each R f is the same in i) and ii) and chosen from a C 2 -C 12 polyfluoroalkyl optionally interrupted by one to four groups chosen from: —O—, —S—, —S(O)—, and —S(O) 2 —; each n in i) and ii) is the same and chosen from an integer from 0 to 6; each m in i) and ii) is the same and chosen from an integer from 0 to 10; each R 1 , R 5 , R 6 is independently chosen from hydrogen, C 1 to C 6 hydroxyalkyl, C 1 to C 6 halogen substituted alkyl, or a C 1 to C 6 linear or branched alkyl; provided that each R 1 in i) and ii) are the same, each R 5 in i) and ii) are the same, and each R 6 in i) and ii) are the same; each R 4 in i) and ii) are the same and chosen from hydrogen or a C 1 to C 6 alkyl, or a C 1 to C 6 hydroxyalkyl; wherein the mole ratio of i) to ii) is from about 10:1 to about 99:1.