- PARTIALLY FLUORINATED SULFONATED SURFACTANTS
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The present invention comprises a compound comprising Formula 1A, 1B, or 1C: (Ra-O-CO-)2X Formula 1A, Ra-O-CO-X-CO-O-(CH2CH2)Rf Formula 1B, Ra-O-CO-X-CO-O-R Formula 1C wherein Ra is the group Rf(CH2CF2)d-(CgH2g)-; RfOCF2CF2-(CgH2g)-; Rf OCFHCF2O(CH2CH2)v-(CgH2g)-; RfOCFHCF2O(CwH2w); RfOCF(CF3)CONH-(CgH2g); or Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k; Rf is CcF(2c+1); d is 1 to about 3; g is 1 to 4; v is 1 to about 4; w is from about 3 to about 12; h is 1 to about 6; i, j, and k are each independently 1, 2, or 3, or a mixture thereof; provided that the total number of carbon atoms in group (vi) is from about 8 to about 22; X is a linear or branched difunctional alkyl sulfonate group -CeH(2e-1)(SO3M)-, wherein e is 2 or 3; M is a monovalent cation selected from the group consisting of hydrogen, ammonium, alkali metal, or alkaline earth metal; R is H or a linear or branched alkyl group CbH(2b+1)-; and b is from 1 to about 18.
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(2010/04/03)
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- FLUORINATED ALCOHOLS
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A compound comprising Formula 5 [in-line-formulae]RfOCFHCF2O(CH2CH2O)v—H??Formula 5[/in-line-formulae] wherein Rf is CcF(2c+1);c is 2 to about 6; andv is 2 to about 4; and a process for its preparation comprising contacting a compound of Formula 6 [in-line-formulae]Rf—O—CF═CF2??Formula 6[/in-line-formulae] wherein Rf is CcF(2c+1), and c is 2 to about 6, with a compound of Formula 7 [in-line-formulae]HO—(CH2CH2O)v—H??Formula 7[/in-line-formulae] wherein v is 2 to about 4.
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Page/Page column 10
(2010/02/16)
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- FLUORINATED ESTERS
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A compound comprising Formula 2A, 2B, or 2C [in-line-formulae](Ra—O—CO—)2Y??Formula 2A[/in-line-formulae] [in-line-formulae]Ra—O—CO—Y—CO—O—(CH2CH2)Rf??Formula 2B[/in-line-formulae] [in-line-formulae]Ra—O—CO—Y—CO—O—R??Formula 2C[/in-line-formulae] wherein Ra is the group (i) Rf(CH2CF2)d—(CgH2g)—; (ii) RfOCF2CF2—(CgH2g)—; (iii) RfOCFHCF2O(CH2CH2O)v—(CgH2g)—; (iv) RfOCFHCF2O(CwH2w)—; (v) RfOCF(CF3)CONH—(CgH2g)—; or (vi) Rf(CH2)h[(CF2CF2)i(CH2CH2)j]k;each Rf is independently CcF(2c+1); c is 2 to about 6; d is 1 to about 3; g is 1 to 4; v is 1 to about 4; w is from about 3 to about 12; h is 1 to about 6; i, j, and k are each independently 1, 2, or 3, or a mixture thereof; provided that the total number of carbon atoms in group (vi) is from about 8 to about 22;Y is a linear or branched diradical having olefinic unsaturation of the formula [in-line-formulae]—CeH(2e?2)—[/in-line-formulae] wherein e is 2 or 3; R is H or a linear or branched alkyl group CbH(2b+1)—; and b is from 1 to about 18.
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Page/Page column 10
(2010/02/16)
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