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    • 9. 发明授权
    • Compositions having pH-dependent viscosity, thickener systems containing the same, and uses therefor
    • 具有pH依赖性粘度的组合物,含有该粘度的增稠剂体系及其用途
    • US07956013B2
    • 2011-06-07
    • US12516970
    • 2007-11-29
    • Ulrich SteinbrennerGünter OetterUwe OssmerMarcus Guzmann
    • Ulrich SteinbrennerGünter OetterUwe OssmerMarcus Guzmann
    • C09K8/035C08K5/49
    • C11D17/003A01N25/10C04B40/0039C04B2103/0079C09K3/00C09K8/035C09K8/467C11D1/34C11D1/72C11D1/83C11D3/3707C04B24/246C04B2103/44C04B2103/40
    • Compositions comprising: (A) at least one surfactant of the general formula (I) (R1—[(O—(CH2)2)x1(O—CH(CH3)CH2)x2]O)kP(═O)(OH)3-k  (I) wherein the sequence of the alkyleneoxy units is arbitrary, each R1 independently represents a moiety selected from the group consisting of linear and branched C12-C22-alkyl, C12-C22-alkenyl, C12-C22-alkynyl, (C11-C21-alkyl)carbonyl, (C11-C21-alkenyl)carbonyl and (C11-C21-alkynyl)carbonyl, k represents 1 or 2 and x1 and x2 each independently represent an integer of 0 to 20, the sum of x1 and x2 being a number of 1 to 20; and (B) at least one thickener comprising at least two hydrophobic groups R2 which are linked to one another via a bridging hydrophilic group (α), wherein each R2, independently represents a moiety selected from the group consisting of C8-C32-alkyl, C8-C32-alkenyl, C8-C32-alkynyl, cycloalkyl, aryl, and aryl-C1-C32-alkyl, which in each case may have up to 3 hydroxyl substituents; wherein the composition has a pH which is viscosity-dependent.
    • 组合物,其包含:(A)至少一种通式(I)的表面活性剂(R1 - [(O-(CH2)2)x1(O-CH(CH3)CH2)x2] O)kP(= )3-k(I)其中亚烷基氧基单元的序列是任意的,每个R 1独立地表示选自直链和支链C 12 -C 22 - 烷基,C 12 -C 22 - 烯基,C 12 -C 22 - 炔基, (C 11 -C 21 - 烷基)羰基,(C 11 -C 21 - 烯基)羰基和(C 11 -C 21 - 炔基)羰基,k表示1或2,x1和x2各自独立地表示0〜20的整数,x1 x2为1〜20的数; 和(B)至少一种包含至少两个通过桥连亲水基团(α)彼此连接的疏水基团R 2的增稠剂,其中每个R 2独立地表示选自下组的部分:C 8 -C 32 - 烷基, C 8 -C 32烯基,C 8 -C 32炔基,环烷基,芳基和芳基-C 1 -C 32 - 烷基,其在每种情况下可具有至多3个羟基取代基; 其中所述组合物具有粘度依赖性的pH。