Fluorinated polyoxyalkylene glycol diamide surfactants

Details Fluorinated polyoxyalkylene glycol diamide surfactants Fluorinated polyoxyalkylene glycol diamide surfactants

C - Chemistry, Metallurgy

08

G

C08G 69/44 (2006.01) C08G 75/14 (2006.01)

Patent

CA 2736963

A fluorinated polyoxyalkylene glycol diamide surfactant of formula 1 B-X- COCH2O-[-C p H2 p O-]n-CH2CO-X-R a wherein B is M or R a, M is an ionizable hydrogen, ammonium, alkali metal, or alkaline earth metal, p is from about 2 to about 4, n is from about 5 to about 43, each X is independently NR, SCH2CH2NR, SO2NRCH2CH2NR, or SO2CH2CH2NR; R is hydrogen, or a linear or branched alkyl group C b H(2b+1) wherein b is 1 to about 18, R a is R f(CH2CF2)d-(C g H2g)-; R f(OCF2CF2)r-(C g H2g)-; R f OY-; R f(CH2)h[(CF2CF2)i(CH2CH2)j]k-; R f(C g H2g)-; or H(C c F2c)-(C g H2g)-; Y is CFHCF2O(C w H2w)-; or CF(CF3)CONH-(C g H2g)-; and each R f is independently C c F(2c+1) wherein c is 1 to about 6.

La présente invention concerne un tensio-actif de diamide polyoxyalkylène glycol fluoré représenté par la formule 1 B-X-COCH2O-[-CpH2pO-]n-CH2CO-X-Ra dans cette formule, B représente M ou Ra, M représente un hydrogène ioniosable, de l'ammonium, un métal alcalin ou un métal terreux alcalin, p est compris entre environ 2 et environ 4, n est compris entre environ 5 et environ 43, chaque X représente indépendamment NR, SCH2CH2NR, SO2NRCH2CH2NR, ou SO2CH2CH2NR; R représente l'hydrogène, ou un groupe alkyle linéaire ou ramifié CbH(2b+1), b étant compris entre environ 1 et environ 18, Ra représente Rf(CH2CF2)d-(CgH2g)-; Rf(OCF2CF2)r-(CgH2g)-; Rf OY-; Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k-; Rf(CgH2g)-; ou H(CcF2c)-(CgH2g)-; Y représente CFHCF2O(CwH2w)-; ou CF(CF3)CONH-(CgH2g)-; et chaque Rf est indépendamment CcF(2c+1), c étant compris entre environ 1 et environ 6.

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