Dispersions of fluorinated polymers
    1.
    发明公开
    Dispersions of fluorinated polymers 有权
    WässrigeDispersionen von fluorhaltigen Polymeren

    公开(公告)号:EP1273704A1

    公开(公告)日:2003-01-08

    申请号:EP02014155.2

    申请日:2002-06-25

    申请人: Ausimont S.p.A.

    IPC分类号: D21H17/57

    摘要: Use for the paper sizing of aqueous polyurethane dispersions from (per)fluoropolyethers obtainable by reaction among the following compounds:

    a) (per)fluoropolyether diols having a number average molecular weight from 400 to 5,000;
    b) diisocyanates having formula:

            OCN-R-NCO     (VIa)

       wherein R is an aliphatic, cycloaliphatic bifunctional radical; or an aromatic bifunctional radical;
    c) diols containing one carboxylic function and optionally one or both the following components:
    d) hydrazine and/or aliphatic diamines;
    e) monofunctional hydroxylic (per)fluoropolyethers having a number average molecular weight in the range 300-1,000.

    摘要翻译: 用于从以下化合物之间的反应得到的(全)氟聚醚的水性聚氨酯分散体的纸张尺寸:a)数均分子量为400至5,000的(全)氟聚醚二醇; b)具有式OCN-R-NCO的二异氰酸酯,其中R是脂族,脂环族双官能基; 或芳族双功能基团; c)含有一个羧基官能团的二醇和任选的一种或两种以下组分:d)肼和/或脂族二胺; e)数均分子量在300-1,000范围内的单官能羟基(全)氟聚醚。

    Fluorinated oligourethanes
    2.
    发明公开
    Fluorinated oligourethanes 审中-公开
    Fluorierte低聚的氨基甲酸酯

    公开(公告)号:EP1059319A3

    公开(公告)日:2002-01-23

    申请号:EP00112141.7

    申请日:2000-06-06

    申请人: Ausimont S.p.A.

    摘要: Fluorinated oligourethanes, having number average molecular weight lower than or equal to 9,000, having a branched structure, formed of the following monomers and macromers: a) aliphatic, cycloaliphatic or aromatic polyisocyanates, b) heterofunctional hydrogenated monomers having general formula:X0-(CR1AR2A)b-Y0 one or more of the following compounds: c) bifunctional hydroxyl (per)fluoropolyethers (PFPE diols) having number average molecular weight in the range 400-3,000, e) monofunctional hydroxyl (per)fluoropolyethers or monofunctional hydroxyl (per)fluoroalkanes (e'), having number average molecular weight in the range 300-1,000, and optionally the following compunds: d) heterofunctional monomers, dI) hydrogen-active compounds, capable to form bonds with the NCO functions stable at the hydrolysis but weak at heat.

    Coatings based on fluoropolyethers
    4.
    发明公开
    Coatings based on fluoropolyethers 失效
    基于含氟聚醚的涂料

    公开(公告)号:EP0731125A1

    公开(公告)日:1996-09-11

    申请号:EP96102904.8

    申请日:1996-02-27

    申请人: AUSIMONT S.p.A.

    摘要: Use of fluorinated polymers based on fluoropolyethers for the preparation of crosslinkable high dry formulations comprising a fluorinated part R F and optionally an hydrogenated part R H , not containing groups capable of linking by means of hydrogen bonds to basic acceptors, an hydrogenated part Rh 1 and Rh 2 , wherein Rh 1 is equal to or different from Rh 2 , and Rh 1 and/or Rh 2 being linking bonds containing at least a functional group capable of linking by means of hydrogen bonds with basic acceptors, the bonds joining the fluorinated part to the hydrogenated part being of ether C-O simple type, the terminals T' a and T'' being such as to render the structure mono-, bi- or polyfunctional, and subsequent crosslinking of the fluorinated polymer, the monofunctional products being always in admixture with a resin having even a higher functionality than the described type; the preferred fluorinated products have the formula:

            T''-(Rh 2 ) y (R H ) x -R F -(R H ) x -(Rh 1 ) y' T' a

    摘要翻译: 基于氟聚醚的氟化聚合物用于制备包含氟化部分RF和任选的氢化部分RH(不包含能够借助氢键连接至碱性受体的基团)的氢化部分Rh1和Rh2的可交联高干燥制剂,其中 Rh1与Rh2相同或不同,Rh1和/或Rh2是含有至少一个能够通过氢键与碱性受体连接的官能团的连接键,将氟化部分连接到氢化部分的键是醚C0 简单型,终端T'a和T“使得结构单官能,双官能或多官能,并随后交联氟化聚合物,单官能产物总是与具有更高官能度的树脂混合 比所描述的类型; 优选的氟化产物具有下式:T“ - (Rh2)y(RH)x-RF-(RH)x-(Rh1)y'T'a

    Thermoplastic polyesters containing perfluoropolyoxyalkylene sequences
    5.
    发明公开
    Thermoplastic polyesters containing perfluoropolyoxyalkylene sequences 失效
    热塑性聚酯薄膜全氟氧烷基烯烃。

    公开(公告)号:EP0621296A2

    公开(公告)日:1994-10-26

    申请号:EP94105854.7

    申请日:1994-04-15

    申请人: AUSIMONT S.p.A.

    IPC分类号: C08G63/682 C08G63/672

    CPC分类号: C08G63/6826 C08G63/672

    摘要: Fluorinated thermoplastic elastomers having a block structure:



            -[-R f -H₁-H₂-H₁-]-



    where -R f - is a perfluoropolyoxyalkylene sequence of formula:



            -CF₂O-(CF₂CF₂O) m -(CF₂O) n -CF₂-



    with m/n = 0.2 + 5, H₁ and H₂, equal or different from each other, are bivalent radicals having arylene, alkylarylene, alkylene or cycloalkylene structure, optionally containing fluorine and/or other heteroatoms selected among oxygen, sulphur, nitrogen.
    Such products are obtainable by utilizing a perfluoropolyoxyalkylene diol having a functionality at least equal to 1.97, preferably at least equal to 1.99, and are characterized by a tensile strength at 23°C at least 50% higher than that of the corresponding polyesters obtained starting from perfluoropolyoxyalkylene diols having a functionality not higher than 1.96.

    摘要翻译: 具有嵌段结构的氟化热塑性弹性体:其中-Rf-是式-CF 2 O-(CF 2 CF 2 O)m - (CF 2 O)n -CF 2 - 的全氟聚氧亚烷基,m- n = 0.2 + 5,H1和H2彼此相同或不同,是具有亚芳基,烷基亚芳基,亚烷基或亚环烷基结构的二价基团,任选地含有选自氧,硫,氮中的氟和/或其它杂原子。 这样的产物可通过使用具有至少等于1.97,优选至少等于1.99的官能度的全氟聚氧亚烷基二醇获得,其特征在于在23℃下的拉伸强度比从相应的聚酯开始获得的相应聚酯的拉伸强度高至少50% 全氟聚氧亚烷基二醇的官能度不高于1.96。

    Process for the separation of the non, mono and bifunctional species in perfluoropolyoxyalkylenes
    6.
    发明公开
    Process for the separation of the non, mono and bifunctional species in perfluoropolyoxyalkylenes 失效
    在全氟聚氧乙烯中分离非单,双功能物种的方法

    公开(公告)号:EP0538827A3

    公开(公告)日:1993-05-26

    申请号:EP92118008.9

    申请日:1992-10-21

    申请人: AUSIMONT S.p.A.

    IPC分类号: C08G65/30 B01D15/08

    摘要: A process for separating from one another the non-functional, monofunctional and bifunctional species in perfluoropolyoxyxalkylenes of gerneral formula
            X-O-Rf-Y
    where:
    Rf = a perfluoropolyoxyalkylene chain comprising monomeric units of formulas
    (CF₂O), (CF₂CF₂O), (CF₂CF₂CF₂O), X, Y, like or different from each other, are non-functional end groups containing functions OH and/or NH₂, with at least X and Y in parts of such perfluoropolyoxyalkylenes being or containing a group -OH, which consists in subjecting said perfluoropolyoxyalkylenes to column chromatography using, as eluents, non-polar fluorinated solvents, either alone or in admixture with polar solvents.

    Additives for hydrogenated resins
    7.
    发明公开
    Additives for hydrogenated resins 有权
    添加剂的氢化树脂

    公开(公告)号:EP1241227A1

    公开(公告)日:2002-09-18

    申请号:EP02005403.7

    申请日:2002-03-08

    申请人: Ausimont S.p.A.

    摘要: Additives for hydrogenated resins obtainable by using the following components:

    a) bifunctional perfluoropolyethers having a -COOR end group, optionally in admixture with monofunctional perfluoropolyethers having a -COOR end group,
    b) mono, bi or polyfunctional hydrogenated monomers having functional groups able to react with the -COOR end groups of compound a);
    c) polyolefins having functional groups able to react with the block oligomer/polymer obtained by reaction of a) with b), preferably said functional groups being obtained by grafting with maleic anhydride;
    reacting in a first step a) with b), until disappearance of the -COOR group of component a), and in a second step the product obtained from the reaction of a) with b) with the functionalized polyolefins c).

    Compositions for films having a low refractive index
    9.
    发明公开
    Compositions for films having a low refractive index 有权
    ZusammensetzungenfürFolien mit niedrigem Brechungsindex

    公开(公告)号:EP1057849A2

    公开(公告)日:2000-12-06

    申请号:EP00111160.8

    申请日:2000-05-24

    申请人: Ausimont S.p.A.

    发明人: Turri, Stefano

    IPC分类号: C08J5/18

    摘要: Use of a composition for preparing by radical route polymeric films having refractive index lower than 1.400, said composition comprising:

    a) a perfluoropolyether of formula:

            T'-R f- T     (Ia)


    b) from 0.1 to 10% by weight of a perfluoropolyether of formula:

            T-R f -CH 2 OH     (Ib)


    c) from 0 to 30% by weight of compounds selected from c1):

    compounds not containing fluorine: non fluorinated (meth)acrylic esters or vinyl monomers;
    or c2) compounds containing fluorine: mono(meth)acrylate perfluoropolyethers or perfluoroalkyl mono(meth)acrylates,

    d) from 0.01 to 10% by weight of a photoinitiator and/or radical initiators,
    the amount of component a) being the complement to 100 of the composition, with the proviso that defining by B 0 the mole number of -CF 2 CH 2 OH and by B 1 the sum of the moles of the (meth)acrylic end groups, the (B 0 + B 1 )/B 1 ratio is in the range 1.50-1.01.

    摘要翻译: 一种组合物用于制备具有低于1.400的折射率的自由基路线聚合物薄膜的组合物,所述组合物包含:a)式:T'-Rf-T的全氟聚醚b)0.1至10重量%的下式的全氟聚醚: T-Rf-CH 2 OH c)0至30重量%的选自c1的化合物:不含氟的化合物:非氟化(甲基)丙烯酸酯或乙烯基单体; 或c2)含氟单(甲基)丙烯酸酯全氟聚醚或全氟烷基单(甲基)丙烯酸酯的化合物,d)0.01至10重量%的光引发剂和/或自由基引发剂,组分a)的量为100 的组成,条件是通过B0定义-CF 2 CH 2 OH的摩尔数,B1定义(甲基)丙烯酸端基的摩尔数之和,(B0 + B1)/ B1比在1.50-1.01的范围内 。