Solvents utilizable as cleaning agents
    2.
    发明公开
    Solvents utilizable as cleaning agents 失效
    可用作为清洗剂溶剂

    公开(公告)号:EP0805199A3

    公开(公告)日:1999-01-20

    申请号:EP97103590.2

    申请日:1997-03-05

    申请人: AUSIMONT S.p.A.

    IPC分类号: C11D7/50 C11D7/20

    CPC分类号: C23G5/032 C11D7/5018

    摘要: Use of solvents capable of removing oily substances without solubilizing them, consisting of hydrofluoropolyethers having the general formula
            HF 2 CO(CF 2 O) n (CF 2 CF 2 O) m CF 2 H
    wherein n and m are integers comprised between 0 and 20, excluding when m and n are contemporaneously 0, and having boiling point from 30° to 200°C and having a molar ratio 0/C comprised between 0.5-1.

    Method for the removal of water from surfaces
    4.
    发明公开
    Method for the removal of water from surfaces 失效
    Verfahren zur Entfernung von Wasser beiOberflächen

    公开(公告)号:EP0826714A3

    公开(公告)日:1998-11-18

    申请号:EP97114418.3

    申请日:1997-08-21

    申请人: Ausimont S.p.A.

    CPC分类号: C08G65/007 B01D12/00

    摘要: Method for the water removal from a surface, which comprises covering the surface with a composition having specific weight higher than that of the water, and subsequently removing water from the composition by skimming, such composition comprising a (per)fluoropolyether having molecular weight comprised between 300 and 1500 and a non ionic additive having a (perfluoropolyethereal structure similar to that of the solvent, linked to an hydrogenated part of hydrophilic type, the molecular weight of the (per)fluorinated part is comprised between 400 and 1200 and the ratio by weight between (per)fluorinated part and hydrogenated part is comprised between 1.5 and 3.5.

    摘要翻译: 从表面除去水的方法,其包括用具有比水重量更高的比重的组合物覆盖表面,以及随后通过撇取从组合物中除去水,该组合物包含(全)含氟聚醚,其分子量介于 300和1500的非离子添加剂和具有与溶剂的全氟聚醚结构类似的非离子添加剂,与亲水型的氢化部分相连,(每个)氟化部分的分子量在400和1200之间,重量比 (每个)氟化部分和氢化部分之间的比例在1.5和3.5之间。

    Method for the removal of water from surfaces
    5.
    发明公开
    Method for the removal of water from surfaces 失效
    从表面去除水分的方法

    公开(公告)号:EP0826714A2

    公开(公告)日:1998-03-04

    申请号:EP97114418.3

    申请日:1997-08-21

    申请人: Ausimont S.p.A.

    CPC分类号: C08G65/007 B01D12/00

    摘要: Method for the water removal from a surface, which comprises covering the surface with a composition having specific weight higher than that of the water, and subsequently removing water from the composition by skimming, such composition comprising a (per)fluoropolyether having molecular weight comprised between 300 and 1500 and a non ionic additive having a (perfluoropolyethereal structure similar to that of the solvent, linked to an hydrogenated part of hydrophilic type, the molecular weight of the (per)fluorinated part is comprised between 400 and 1200 and the ratio by weight between (per)fluorinated part and hydrogenated part is comprised between 1.5 and 3.5.

    摘要翻译: 包括用具有比水高的比重的组合物覆盖表面并随后通过撇去从组合物中除去水的方法,所述组合物包含分子量介于其之间的(全)氟聚醚 (全氟聚醚结构与溶剂相似,与亲水型氢化部分连接的非离子添加剂,(全)氟化部分的分子量为400至1200,并且重量比 (全)氟化部分与氢化部分之间的比例在1.5至3.5之间。

    Compositions to remove water and/or solvents and/or oils
    9.
    发明公开
    Compositions to remove water and/or solvents and/or oils 失效
    组合物用于去除水和/或溶剂和/或油的

    公开(公告)号:EP0867429A1

    公开(公告)日:1998-09-30

    申请号:EP98105269.9

    申请日:1998-03-24

    申请人: Ausimont S.p.A.

    摘要: Compositions used to remove traces of water and/or organic solvents and/or oils from the component surfaces, comprising:

    i) hydrofluoropolyethers having the general formula:

            HF 2 CO(CF 2 O) n (CF 2 CF 2 O) m CF 2 H


    ii) fluorinated additive having a structure selected from the following:

            T-OR f (CFY)-L     (I)



            L-CF 2 OR f CF 2 -L     (II)



    with L= X-CH 2 CH 2 (OCH 2 CH 2 ) n° B
    wherein X=CH 2 O, CH 2 NR'', CONR'', CH 2 OCH 2 CH 2 NR'', CH 2 OCOCH 2 O; n°= 0-50; B= NHC(CH 2 OH) 3 , CH 2 O(CH 2 OH) 3 ;
    with R''= H, alkyl C 1-3; Y= CF 3 or F; T is selected from -CF 3 , -C 2 F 5 , -C 3 F 7 , ClCF 2 CF(CF 3 )-, CF 3 CFClCF 2 -, ClCF 2 CF 2 -, ClCF 2 -; R f is a (per)fluoroalkane and/or (per)fluoropolyether chain.

    摘要翻译: 组合物中使用,以从部件表面除去水和/或有机溶剂和/或油的痕迹,包括:i)具有以下通式的氢氟聚醚:HF2CO(CF 2)氟化的N(CF2CF2O)mCF2H ii)具有所选择的添加剂的结构 以下:T-或F(CFY)-L L-CF2ORfCF2-L与L = X-CH 2 CH 2(OCH 2 CH 2)N°乙worin X = CH 2 O,CH 2 NR '',CONR '',CH2OCH2CH2NR '',CH2OCOCH2O; N°= 0-50; B = NHC(CH 2 OH)3,CH 2 O(CH 2 OH)3; 与R ''= H,烷基-C 1-3; Y = CF 3或F; T选自-CF 3,-C 2 F 5,-C 3 F 7选择,ClCF2CF(CF3) - ,CF3CFClCF2-,ClCF2CF2-,ClCF2-; R f是(全)和/或(全)氟聚醚链的氟代。 Ø

    Solvents utilizable as cleaning agents
    10.
    发明公开
    Solvents utilizable as cleaning agents 失效
    Als Reinigungsmittel verwendbareLösungsmittel

    公开(公告)号:EP0805199A2

    公开(公告)日:1997-11-05

    申请号:EP97103590.2

    申请日:1997-03-05

    申请人: AUSIMONT S.p.A.

    IPC分类号: C11D7/50 C11D7/20

    CPC分类号: C23G5/032 C11D7/5018

    摘要: Use of solvents capable of removing oily substances without solubilizing them, consisting of hydrofluoropolyethers having the general formula

            HF 2 CO(CF 2 O) n (CF 2 CF 2 O) m CF 2 H

    wherein n and m are integers comprised between 0 and 20, excluding when m and n are contemporaneously 0, and having boiling point from 30° to 200°C and having a molar ratio 0/C comprised between 0.5-1.

    摘要翻译: 使用能够除去油状物质而不溶解的溶剂,由通式为HF2CO(CF2O)n(CF2CF2O)mCF2H的氢氟聚醚组成,其中n和m为0和20之间的整数,不包括当m和n同时为0时,以及 沸点为30〜200℃,摩尔比0 / C为0.5-1。