Mixed fluoroalkyl-alkyl surfactants

C - Chemistry – Metallurgy – 07 – F

Patent

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C07F 9/09 (2006.01) C11D 1/34 (2006.01)

Patent

CA 2693120

A compound of Formula 1 Rf-A-OP(O)(O" M+)(O-RH) Formula 1 wherein Rf is a C2 to CQ linear or branched perfluoroalkyl optionally interrupted by one, two or three ether oxygen atoms; A is (CH2CF2)m(CH2)n-, (CH2)OSO2N(CH3)(CH2)P-, O(CF2)q(CH2)n or OCHFCF2OE-; m is 1 to 4; n, o, p, and r are each independently 2 to 20; q is 2; E is a C2 to C2Q linear or branched alkyl group optionally interrupted by oxygen, sulfur, or nitrogen atoms; a cyclic alkyl group, or a CQ to Ci o ary' group; M is a Group I metal or an ammonium cation (NHxR^y)+ wherein R2 is a Ci to C4 alkyl, x is 1 to 4, y is 0 to 3 and x + y is 4; and RH is a Ci to C2o linear, branched, or cyclic alkyl, or a CQ to C10 aryl, and its use as a surfactant is disclosed.

L'invention concerne un composé de formule (1) Rf-A-OP(O)(O-M+)(O-RH) Formule 1, dans laquelle formule Rf est un perfluoroalkyle linéaire ou ramifié en C2 à C6 éventuellement interrompu par un, deux ou trois atomes d'oxygène formant un éther ; A est -(CH2CF2)m(CH2)n-, -(CH2)oSO2N(CH3)(CH2)p-, -O(CF2)q(CH2)r ou OCHFCF2OE- ; m vaut 1 à 4 ; n, o, p et r valent chacun indépendamment 2 à 20 ; q vaut 2 ; E est un groupe alkyle linéaire ou ramifié en C2 à C20 éventuellement interrompu par des atomes d'oxygène, de soufre ou d'azote, un groupe alkyle cyclique ou un groupe aryle en C6 à C10 ; M est un métal du groupe I ou un cation ammonium (NHxR2 y)+ dans lequel R2 est un alkyle en C1 à C4, x vaut 1 à 4, y vaut 0 à 3 et x + y vaut 4 ; et RH est un alkyle linéaire, ramifié ou cyclique en C1 à C20 ou un aryle en C6 à C10, et l'utilisation de celui-ci en tant que tensioactif.

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