Aqueous compositions of perfluoropolyether phosphates and use thereof to confer oleo-repellence to paper
    3.
    发明授权
    Aqueous compositions of perfluoropolyether phosphates and use thereof to confer oleo-repellence to paper 有权
    全氟聚醚磷酸盐的水性组合物及其用于赋予纸的疏油性的用途

    公开(公告)号:US07141140B2

    公开(公告)日:2006-11-28

    申请号:US10340730

    申请日:2003-01-13

    IPC分类号: D21H19/12 D21H17/10

    摘要: Aqueous compositions of (per)fluoropolyether phosphates of formula: T—O—[Rf—CFY—L—O]P(O)(O−Z+)(OH);   (A) and/or (OH)m(O−Z+)2-mP(O)[O—L—YFC—O—Rf—CFY—L—O—P(O)(O−Z+)]m′——[O—L—YFC—O—Rf—CFY—L—O]P(O)(O−Z+)2-m(OH)m   (B) and use thereof to confer oleo-repellence to the paper by means of the size-press method.

    摘要翻译: (全)氟聚醚磷酸酯的水性组合物,其结构如下:<?in-line-formula description =“In-line Formulas”end =“lead”→TO- [R ff -CFY-LO] (O)(O)(O) - (OH); (A)<?in-line-formula description =“In-line Formulas”end =“tail”?>和/或<?in-line-formula description =“In-line Formulas”end =“lead”?> (OH)m(O) - (O) - (O) - (O) - (O)(O) - (O) - - - - - - - - - - - - - - - - - -YFC-OR f Y Y LO LO LO]]]]] SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB SUB (OH)m(<<<<<<<<

    Use of fluorinated compounds for the protective treatment of titanium surfaces

    公开(公告)号:US20070031678A1

    公开(公告)日:2007-02-08

    申请号:US11498176

    申请日:2006-08-03

    IPC分类号: B32B15/04 B32B9/00

    摘要: Use to confer no dirt-pick up properties to titanium surfaces of perfluoropolyethers of formula: T-O—[Rf′—CFY-L-O]P(O)(O−Z+)2-m(OH)m;  (A) (OH)m(O−Z+)2-mP(O)[O-L-YFC—O—Rf—CFY-L-O—P(O)(O−Z+)]m′- —[O-L-YFC—O—Rf—CFY-L-O]P(O)(O−Z+)2-m(OH)m;  (B) wherein; m′ is an integer from 0 to 20; L is an organic group selected from —CH2—(OCH2CH2)n—, —CO—NR′—(CH2)q—, with R′=H, C1-C4 alkyl; n is a number from 0 to 8, q is a number from 1 to 8; Z+=alkaline metal ion, an aliphatic amine ion, a NR4 group wherein R is selected from H, C1-C4 alkyl, C1-C4 hydroxyalkyl; Y=F, CF3; m is a number between 0 and 2, extremes excluded; T is a (per)fluoroalkyl group selected from —CF3, —C2F5, —C3F7, —CF2Cl, —C2F4Cl, —C3F6Cl; Rf, Rf′ are selected from a C1-C20 (per)fluoroalkylene chain, a (per)fluoropolyoxyalkylene chain having a number average molecular weight in the range 350-8,000.