Halogenated 1,3-dioxolanes
    1.
    发明授权
    Halogenated 1,3-dioxolanes 失效
    卤化1,3-二氧戊环

    公开(公告)号:US5235074A

    公开(公告)日:1993-08-10

    申请号:US847138

    申请日:1992-03-06

    CPC classification number: C07D317/42

    Abstract: This invention process for preparing 1,3-dioxolanes of formula: ##STR1## wherein; X.sub.1, X.sub.2, X.sub.3 and X.sub.4, like or different from one another, represent F, Cl, Br, I, CF.sub.2 OSO.sub.2 F, SO.sub.2 F, C(O)F, H, perhaloalkyl or oxyperhaloalkyl radicals containing from 1 to 5 carbon atoms,X.sub.5 and X.sub.6, like or different from each other, represent F or CF.sub.3. Said process is characterized in that a bis(fluoroxy)perfluoroalkane is reacted, at a temperature ranging from -140.degree. C. to +60.degree. C., with a halogenated olefin.This invention also relates to new 1,3-dioxolanes of formula (I) belonging to the class defined hereinbefore.

    Abstract translation: 本发明的制备下式的1,3-二氧戊环的方法:其中: X1,X2,X3和X4彼此相同或不同,表示含有1至5个碳原子的F,Cl,Br,I,CF 2 OSO 2 F,SO 2 F,C(O)F,H,全卤代烷基或氧全氟烷基,X 5和 X6彼此相同或不同,表示F或CF 3。 所述方法的特征在于,在-140℃至+60℃的温度下,使双卤代烯烃与双(氟氧基)全氟烷烃反应。 本发明还涉及属于上文定义的类别的式(I)的新的1,3-二氧戊环。

    Surface treatments with bifunctional perfluoropolyether derivatives
    2.
    发明授权
    Surface treatments with bifunctional perfluoropolyether derivatives 失效
    双功能全氟聚醚衍生物的表面处理

    公开(公告)号:US06221434B1

    公开(公告)日:2001-04-24

    申请号:US09450020

    申请日:1999-11-29

    Abstract: A surface treatment method for imparting -oil- and/or water-repellency, comprising the step of applying to the surface to be treated compositions comprising at least one compound having the formula III ACF2O—(CF2O)n(C2F4O)m—CF2—B  III where n=1-20, m=1-20 and A and B are reactive functional groups chosen independently from the group constituted by: a) CONHR, where R=CnH2n+1 with n=1-30, b) CH2OH, c) CONH(X)SiR1n(OR′)3−n, where n=0-2, R1 and R′, identical or different, are CrH2r+1 alkyl radicals, where r=1-4, and X is a bifunctional alkyl spacer of the (CHR″)m type, where m=1-20, and R″ can be H or CH3, optionally containing heteroatoms, d) —[CH2O(R′″O)p]k—P(O)(OH)3−k, where R′″ is an alkylene radical, for example C2H4 or C3H6, p=1-10 and k=1, 2, the composition comprising the compound at a suitable concentration and being applied in an amount suitable to obtain substantially at least one monolayer of the compound on the surface to be treated, the reactive groups being chosen according to the nature of the surface to be treated so as to provide interaction with the surface to be treated.

    Abstract translation: 一种用于赋予油和/或拒水性的表面处理方法,包括将待处理组合物的表面施加至包含至少一种具有式III的化合物的步骤,其中n = 1-20,m = 1-20和A 和B是独立于由以下构成的基团选择的反应性官能团:a)CONHR,其中R = C n H 2n + 1,n = 1-30,b)CH 2 OH,c)CONH(X)SiR1n(OR')3-n, 其中n = 0-2,R1和R'相同或不同,是CrH2r + 1烷基,其中r = 1-4,X是(CHR“)m型的双官能烷基间隔基,其中m = 1-20,R“可以是H或CH 3,任选地含有杂原子,d) - [CH 2 O(R”O)p] kP(O)(OH)3-k,其中R“ 亚烷基,例如C 2 H 4或C 3 H 6,p = 1-10和k = 1,2,所述组合物包含适当浓度的化合物,并以适于在表面上获得基本上至少一种化合物单层的量施用 待处理的反应性基团是根据表面的性质来选择的 处理以提供与待处理表面的相互作用。

    Process for preparing 1,3-dioxoles
    4.
    发明授权
    Process for preparing 1,3-dioxoles 失效
    1,3-二氧杂环戊烯的制备方法

    公开(公告)号:US5296617A

    公开(公告)日:1994-03-22

    申请号:US831169

    申请日:1992-02-05

    CPC classification number: C07D317/42

    Abstract: A process for preparing 1,3-dioxoles of formula: ##STR1## in which X.sub.1 and X.sub.3, like or different from each other, are F or H, X.sub.5 and X.sub.6, like or different from each other, are F or CF.sub.3, by dehalogenation reaction of the corresponding 4,5-dihalodioxolanes in the presence of a dehalogenation agent at a temperature ranging from +30.degree. to +130.degree. C.The starting dioxolanes are essentially in the isomeric form anti.

    Abstract translation: 制备式(XI)化合物的1,3-二氧杂环戊烯的方法:其中X 1和X 3彼此相同或不同的是F或H,X5和X6彼此相同或不同, 是F或CF 3,通过在脱卤剂存在下,在+ 30℃至+ 130℃的温度范围内相应的4,5-二卤代二氧戊环的脱卤反应。起始二氧戊环本质上为异构体形式。

    Separation of bifunctional perfluoropolyethers (PFPEs) having -CH2OH termination from their mixtures with -CH2OH monofunctional PFPEs
    5.
    发明授权
    Separation of bifunctional perfluoropolyethers (PFPEs) having -CH2OH termination from their mixtures with -CH2OH monofunctional PFPEs 有权
    从具有-CH 2 OH单官能PFPE的混合物中分离具有-CH 2 OH终止的双功能全氟聚醚(PFPE)

    公开(公告)号:US07288682B2

    公开(公告)日:2007-10-30

    申请号:US11176218

    申请日:2005-07-08

    CPC classification number: C08G65/30 C08G65/007

    Abstract: A process for separating bifunctional perfluoropolyethers (PFPEs) having two terminations —CH2OH from their mixtures with monofunctional PFPEs with one termination —CH2OH, of general formula X1—O—Rf—Y   (I) wherein Rf is a perfluoropolyoxyalkylene chain having a number average molecular weight of 500-10,000; X1 and Y are end groups selected from —CFXCH2OH (wherein X is F or CF3), —CF3, —CF2Cl, —CF2CF2Cl, —C3F6Cl, —CF2Br, —CF2CF3, wherein at least one of the two end groups is —CFXCH2OH, said process comprising the steps of: a) addition of the PFPE mixture to an adsorbing solid phase, under stirring; b) filtration of the mixture obtained in a): c) addition to the solid phase filtered in b), of a PFPE mixture having an average functionality higher than that of the PFPE mixture of the liquid filtered in b); c2) filtration of the mixture obtained in c); and subsequent treatment of the solid phase separated in c2) with a polar solvent obtaining a liquid containing the PFPE having high functionality.

    Abstract translation: 具有两个端基-CH 2 OH的双功能全氟聚醚(PFPE)与其具有一个终止-CH 2 OH的单官能PFPE的混合物的方法,其通式为 -line-formula description =“In-line Formulas”end =“lead”?> X -O-Rf-Y(I)<?in-line-formula description =“In-line 式“end =”tail“?>其中Rf是数均分子量为500〜10000的全氟聚氧亚烷基链; X 1和Y是选自-CFXCH 2 OH的端基(其中X是F或CF 3 H 3),-CF 3 -CF 2,Cl,-CF 2,CF 2,Cl,-C 3, 其中,两个末端基团中的至少一个是C 1 -C 6亚烷基,C 1 -C 6亚烷基, 是-CFXCH 2 OH,所述方法包括以下步骤:a)在搅拌下将PFPE混合物加入到吸附固相中; b)过滤a)中获得的混合物:c)加入在b)中过滤的固相中,平均官能度高于在b)中过滤的液体的PFPE混合物的平均官能度的PFPE混合物; c2)过滤c)中得到的混合物; 随后用极性溶剂处理在c2)中分离的固相,得到含有具有高官能度的PFPE的液体。

    Separation of bifunctional perfluoropolyethers (PFPEs) having -CH2OH termination from their mixtures with -CH2OH monofunctional PFPEs
    6.
    发明申请
    Separation of bifunctional perfluoropolyethers (PFPEs) having -CH2OH termination from their mixtures with -CH2OH monofunctional PFPEs 有权
    从具有-CH 2 OH单官能PFPE的混合物中分离具有-CH 2 OH终止的双功能全氟聚醚(PFPE)

    公开(公告)号:US20060009660A1

    公开(公告)日:2006-01-12

    申请号:US11176218

    申请日:2005-07-08

    CPC classification number: C08G65/30 C08G65/007

    Abstract: A process for separating bifunctional perfluoropolyethers (PFPEs) having two terminations —CH2OH from their mixtures with monofunctional PFPEs with one termination —CH2OH, of general formula X1—O—Rf—Y  (I) wherein Rf is a perfluoropolyoxyalkylene chain having a number average molecular weight of 500-10,000; X1 and Y are end groups selected from —CFXCH2OH (wherein X is F or CF3), —CF3, —CF2Cl, —CF2CF2Cl, —C3F6Cl, —CF2Br, —CF2CF3, wherein at least one of the two end groups is —CFXCH2OH, said process comprising the steps of: a) addition of the PFPE mixture to an adsorbing solid phase, under stirring; b) filtration of the mixture obtained in a): c) addition to the solid phase filtered in b), of a PFPE mixture having an average functionality higher than that of the PFPE mixture of the liquid filtered in b); c2) filtration of the mixture obtained in c); and subsequent treatment of the solid phase separated in c2) with a polar solvent obtaining a liquid containing the PFPE having high functionality.

    Abstract translation: 具有两个端基-CH 2 OH的双功能全氟聚醚(PFPE)与其具有一个终止-CH 2 OH的单官能PFPE的混合物的方法,其通式为 -line-formula description =“In-line Formulas”end =“lead”?> X -O-Rf-Y(I)<?in-line-formula description =“In-line 式“end =”tail“?>其中Rf是数均分子量为500〜10000的全氟聚氧亚烷基链; X 1和Y是选自-CFXCH 2 OH的端基(其中X是F或CF 3 H 3),-CF 3 -CF 2,Cl,-CF 2,CF 2,Cl,-C 3, 其中,两个末端基团中的至少一个是C 1 -C 6亚烷基,C 1 -C 6亚烷基,C 1 -C 6亚烷基, 是-CFXCH 2 OH,所述方法包括以下步骤:a)在搅拌下将PFPE混合物加入到吸附固相中; b)过滤a)中获得的混合物:c)加入在b)中过滤的固相中,平均官能度高于在b)中过滤的液体的PFPE混合物的平均官能度的PFPE混合物; c)过滤c)中得到的混合物; 并且用极性溶剂处理在c 2)中分离的固相,得到含有具有高官能度的PFPE的液体。

    Composition for the removal of water from a surface
    7.
    发明授权
    Composition for the removal of water from a surface 失效
    用于从表面去除水的组合物

    公开(公告)号:US6096240A

    公开(公告)日:2000-08-01

    申请号:US320651

    申请日:1999-05-27

    CPC classification number: C08G65/007 B01D12/00

    Abstract: 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.

    Abstract translation: 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(per)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相类似的全氟聚醚结构的非离子添加剂,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 (全)氟化部分和氢化部分之间的比例在1.5和3.5之间。

    Compositions to remove water and/or solvents
    8.
    发明授权
    Compositions to remove water and/or solvents 失效
    去除水和/或溶剂的组合物

    公开(公告)号:US6083424A

    公开(公告)日:2000-07-04

    申请号:US046550

    申请日:1998-03-24

    Abstract: 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.sub.2 CO (CF.sub.2 O).sub.n (CF.sub.2 CF.sub.2 O).sub.m CF.sub.2 Hii) fluorinated additive having a structure selected from the following:T--OR.sub.f (CFY)--L (I)L--CF.sub.2 OR.sub.f CF.sub.2 --L (II)with L.dbd.X--CH.sub.2 CH.sub.2 (OCH.sub.2 CH.sub.2).sub.n.spsb.o Bwherein X.dbd.CH.sub.2 O, CH.sub.2 NR", CONR", CH.sub.2 OCH.sub.2 CH.sub.2 NR", CH.sub.2 OCOCH.sub.2 O;n.sup.o =0-50; B.dbd.NHC(CH.sub.2 OH).sub.3, CH.sub.2 O(CH.sub.2 OH).sub.3 ;with R".dbd.H, alkyl C.sub.1-3 ; Y.dbd.CF.sub.3 or F; T is selected from --CF.sub.3, --C.sub.2 F.sub.5, --C.sub.3 F.sub.7, ClCF.sub.2 CF(CF.sub.3)--, CF.sub.3 CFClCF.sub.2 --, ClCF.sub.2 CF.sub.2 --, ClCF.sub.2 --; R.sub.f is a (per)fluoroalkane and/or (per)fluoro-polyether chain.

    Abstract translation: 用于从组分表面除去痕量水和/或有机溶剂和/或油的组合物,包括:i)具有以下通式的氢氟聚醚:具有以下通式的HF 2 CO(CF 2 O)n(CF 2 CF 2 O)m CF 2 Hii)具有选自以下结构的氟化添加剂 其中L = X-CH 2 CH 2(OCH 2 CH 2)n B的T-ORf(CFY)-L(I)L-CF 2 OR f CF 2 -L(II)其中X = CH 2 O,CH 2 NR“,CONR”,CH 2 OCH 2 CH 2 NR“,CH 2 OOCH 2 O; 否= 0-50; B = NHC(CH 2 OH)3,CH 2 O(CH 2 OH)3; 其中R“= H,烷基C1-3; Y = CF3或F; T选自-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 - ; Rf是(全)氟代烷烃和/或(全)氟 - 聚醚链。

    Method for removing water from surfaces
    9.
    发明授权
    Method for removing water from surfaces 失效
    从表面去除水的方法

    公开(公告)号:US06821454B2

    公开(公告)日:2004-11-23

    申请号:US09995673

    申请日:2001-11-29

    CPC classification number: C09K3/18 C08G65/007

    Abstract: Method for removing water from surfaces of various materials, comprising the steps of covering said surface with a composition having specific weight higher than that of water and subsequently removing water from the composition by skimming, wherein a composition essentially consisting of the following components is used: a fluorinated non ionic additive component A) of formula: T-ORf(CFY)-L  (I) a (per)fluoropolyether component B), wherein the ratio by weight (K) between the (per)fluorinated part and the hydrogenated L part of the additive is in the range 1.50-4.00 and the ratio KI between the number average molecular weight of the fluoropolyether part T-ORf— of the additive and the number average molecular weight of the component B) is higher than 1.60.

    Abstract translation: 用于从各种材料的表面除去水的方法,包括用具有比水重量更高的比重的组合物覆盖所述表面并随后通过撇取从组合物中除去水的步骤,其中使用基本由以下组分组成的组合物: (全)氟聚醚组分B)的氟化非离子添加剂组分A),其中(per)氟化部分和添加剂的氢化L部分之间的重量比(K)在1.50-4.00的范围内 并且添加剂的氟聚醚部分T-ORf-的数均分子量与成分B的数均分子量之比K i高于1.60。

    De-oiling composition of perfluoropolyethers and hydrofluoropolyethreal surfactants
    10.
    发明授权
    De-oiling composition of perfluoropolyethers and hydrofluoropolyethreal surfactants 失效
    全氟聚醚和氢氟聚乙烯吡咯烷酮表面活性剂的脱油组合物

    公开(公告)号:US06262006B1

    公开(公告)日:2001-07-17

    申请号:US09025647

    申请日:1998-02-18

    CPC classification number: C23G5/032 C11D1/004 C11D7/5018

    Abstract: Compositions utilized to remove traces of organic solvents and/or oils from the surfaces of components comprising: i) perfluoropolyethers; ii) fluorinated additive having a structure selected from the following: T—ORf(CFY)—L  (I) L—CF2ORfCF2—L  (II)65 with L=X—CH2CH2(OCH2CH2)nB wherein X=CH2O, CH2NR″, CONR″, CH2OCH2CH2NR″, CH2OCOCH2O; B=OH, SH, NHR″, OCH3, OCOCH3; with R″=H, alkyl C1-3; Y=CF3 or F; T is selected among —CF3, —C2F5, —C3F7, ClCF2CF(CF3)—, CF3CFClCF2—, ClCF2CF2—, ClCF2—; Rf is a perfluoropolyether chain.

    Abstract translation: 用于从组分表面除去痕量有机溶剂和/或油的组合物,包括:i)全氟聚醚; ii)具有选自以下结构的氟化添加剂:其中X = CH 2 O,其中L = X-CH 2 CH 2(OCH 2 CH 2) CH2NR“,CONR”,CH2OCH2CH2NR“,CH2OCOCH2O; B = OH,SH,NHR“,OCH 3,OCOCH 3; R”= H,烷基C 1-3; Y = CF3或F; T选自-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为全氟聚醚链。

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