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PHOSPHATE SURFACTANTS

  • US 20100240920A1
  • Filed: 03/20/2009
  • Published: 09/23/2010
  • Est. Priority Date: 03/20/2009
  • Status: Active Grant
First Claim
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1. A compound of Formula 1
Rf-A-OP(O)(O

  • M+)(OROH)  



    Formula 1whereinRf is a C2 to C6 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)r

    , or OCHFCF2OE-;

    m is 0 to 4;

    n, o, p, and r are each independently 2 to 20;

    q is 2;

    E is a C2 to C20 linear or branched alkyl group optionally interrupted by oxygen, sulfur, or nitrogen atoms;

    a cyclic alkyl group, or a C6 to C10 aryl group;

    M is H or a Group I metal or an ammonium cation (NHxR2y)+ wherein R2 is a C1 to C4 alkyl, x is 0 to 4, y is 0 to 4 and x+y is 4; and

    R is a C2 to C60 linear or branched alkyl group optionally interrupted by hetero atoms selected from the group consisting of an oxygen, sulfur, or nitrogen atom;

    a cyclic alkyl;

    or a C6 to C10 aryl;

    provided that when R is greater than 8 carbons, the ratio of hetero atoms to carbon atoms is at least 1;

    2.

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