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    • 10. 发明授权
    • Mixture of fluorinated polyethers and use thereof as surfactant
    • 氟化聚醚的混合物及其作为表面活性剂的用途
    • US07141537B2
    • 2006-11-28
    • US10696950
    • 2003-10-30
    • Frans A. AudenaertRudolf J. DamsLian S. Tan
    • Frans A. AudenaertRudolf J. DamsLian S. Tan
    • C11D17/00
    • C08G65/007C08G65/08C08G65/329C08L71/00C08L71/02
    • The present invention provides the use of a fluorinated polyether composition as a surfactant, said fluorinated polyether composition comprising a mixture of fluorinated polyethers of the formula: (Rf)n—Xw—Z   (I) wherein n is 1 or 2, w is 0 or 1, X is a divalent or trivalent organic linking group, Z is a polar group selected from the group consisting of an acid group or a salt thereof, an ammonium group, an amine-oxide group and an amphoteric group, and Rf represents a perfluorinated polyether group of the formula: CF3CF2CF2—O—[CF(CF3)CF2O]k—CF(CF3)— wherein k is at least 1; said mixture of fluorinated polyethers having a weight average molecular weight between 750 g/mol and 5000 g/mol and the amount of perfluorinated polyether groups in said mixture where k is 2 or less, is not more than 10% by weight of the total amount of perfluorinated polyether groups in said mixture.
    • 本发明提供氟化聚醚组合物作为表面活性剂的用途,所述氟化聚醚组合物包含下列化学式的氟化聚醚的混合物:<?in-line-formula description =“In-line Formulas”end =“lead”? (R>)))-X -X -X w w w <<<<<<<<<<<<<<<<<<<<<<<<<<<“”“”“”“”“”“”“”“ 其中n为1或2,w为0或1,X为二价或三价有机连接基团,Z为选自酸基或其盐的极性基团, 铵基团,氧化胺基团和两性基团,R f表示下式的全氟化聚醚基团:<?in-line-formula description =“In-line Formulas”end =“ CF 3 CF 3 CF 2 CF 2 CF 2 CF 2 CF 2 CF 2 CF 2 CF 3 > 2 -CF(CF 3) - <?in-line-formula description =“In-line Formulas”end =“tail” 其中k至少为1; 所述重均分子量在750g / mol至5000g / mol之间的所述氟化聚醚的混合物和所述混合物中的全氟化聚醚基团的量不超过总量的10重量% 的全氟化聚醚基团。