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    • 5. 发明申请
    • Fluorochemical composition for treating porous stone
    • 用于处理多孔石的含氟化合物
    • US20060045979A1
    • 2006-03-02
    • US11192940
    • 2005-07-29
    • Rudolf Dams
    • Rudolf Dams
    • B05D3/02
    • C04B41/4842C04B41/009C04B41/83C04B41/4922C04B41/49C04B33/00
    • The present invention relates to a method of treating porous stone, comprising contacting porous stone with a composition comprising: (i) a fluorinated oligomer having a weight average molecular weight of not more than 70,000 g/mol and comprising repeating units derived from one or more hydrocarbon monomers and one or more fluorinated monomers represented by the formula: Rf—Xt-E1 wherein Rf represents a perfluorinated aliphatic group having 3 or 4 carbon atoms, X represents a non-fluorinated organic linking group, t is 0 or 1 and E1 represents an ethylenically unsaturated group; and wherein the amount of repeating units derived from said fluorinated monomers is more than 50 mole % of the total amount of repeating units; (ii) a liquid dispersing or dissolving said fluorinated oligomer, said liquid comprising an organic solvent in an amount of at least 70% by weight based on the total amount of liquid; and wherein said fluorinated oligomer is contained in said composition in an amount of 1 to 20% by weight based on the total weight of the composition.
    • 本发明涉及一种处理多孔石的方法,包括使多孔石与以下组合物接触的组合物:(i)重均分子量不超过70,000g / mol的氟化低聚物,并且包含衍生自一种或多种 烃单体和一种或多种由下式表示的氟化单体:<?in-line-formula description =“In-line Formulas”end =“lead”?> R&gt; -X -E <?in-line-formula description =“In-line Formulas”end =“tail”?>其中R f表示全氟化脂肪族 具有3或4个碳原子的基团,X表示非氟化有机连接基团,t表示0或1,E 1表示烯属不饱和基团; 并且其中衍生自所述氟化单体的重复单元的量大于重复单元总量的50摩尔% (ii)分散或溶解所述氟化低聚物的液体,所述液体包含基于液体总量至少70重量%的有机溶剂; 并且其中所述氟化低聚物以所​​述组合物的总重量计含有1至20重量%的所述组合物。
    • 7. 发明申请
    • 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
    • US20050096244A1
    • 2005-05-05
    • US10696950
    • 2003-10-30
    • Frans AudenaertRudolf DamsLian Tan
    • Frans AudenaertRudolf DamsLian Tan
    • C07C59/285C08G65/00C08G65/08C08G65/329C08L71/00C08L71/02C11D1/00
    • 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。