Derivatives of perfluorated carboxylic acids
    1.
    发明授权
    Derivatives of perfluorated carboxylic acids 失效
    全氟羧酸的衍生物

    公开(公告)号:US3836552A

    公开(公告)日:1974-09-17

    申请号:US25836572

    申请日:1972-05-31

    Applicant: HOECHST AG

    CPC classification number: C11D1/004 Y10S516/07

    Abstract: RT-CONH-(CH2)3-N(CH2CH2O)NH)2(R)X&,

    IN WHICH N IS A NUMBER FROM 1 TO 4, Z IS 1 OR 2, R REPRESENTS A LOWER ALKYL GROUP AND X- IS A HALOGEN SULFATE OR METHOSULFATE ANION, AND PROCESS FOR PREPARING THESE COMPOUNDS, WHEREIN PERFLUORO-ALKANE-CARBOXYLIC ACID ALKYL ESTERS, ARE REACTED WITH 1-(N,N-DIETHANOL)-3AMINO-PROPANE AND , DEPENDING ON THE COMPOUND, SUBSEQUENTLY OXETHYLATED, ESTERIFIED AND/OR QUATERNIZED. THE NEW COMPOUNDS STRONGLY REDUCE THE SURFACE TENSION OF AQUEOUS SOLUTIONS. THEY HAVE AN EXCELLENT WETTING POWER AND MAY ALSO BE USED AS EMULSIFIERS FOR FLUORO-HYROCARBON/WATER EMULSIONS.
    SURFACE-ACTIVE PERFLUORATED ALKANE-CARBOXYLIC ACIDAMIDE-AMINE DERIVATIVES AND THEIR QUATERNIZATION PRODUCTS OF THE FORMULAE

    D R A W I N G
    RT-CONH-(CH2)3-N(CH2CH2O)NH)2)(CH2)5C O O&),

    RT-CONH-(CH2)3-N(CH2CH2O)NH)2,

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