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    • 1. 发明公开
    • Dispersions of fluorinated polymers
    • WässrigeDispersionen von fluorhaltigen Polymeren
    • EP1273704A1
    • 2003-01-08
    • EP02014155.2
    • 2002-06-25
    • Ausimont S.p.A.
    • Turri, StefanoTrombetta, TaniaIengo, Paolo
    • D21H17/57
    • D21H17/57C08G18/0823C08G18/5015D21H21/16
    • 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.
    • 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。
    • 4. 发明公开
    • Coatings based on fluoropolyethers
    • 基于含氟聚醚的涂料
    • EP0731125A1
    • 1996-09-11
    • EP96102904.8
    • 1996-02-27
    • AUSIMONT S.p.A.
    • Tonelli, ClaudioScicchitano, MassimoTurri, Stefano
    • C08G65/00C09D171/02C08G18/50C08G65/32
    • C08G65/007C08G18/5015C08G18/71C08G18/718C08G18/8025C08G59/30C09D171/02
    • 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
    • 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
    • 5. 发明公开
    • Thermoplastic polyesters containing perfluoropolyoxyalkylene sequences
    • 热塑性聚酯薄膜全氟氧烷基烯烃。
    • EP0621296A2
    • 1994-10-26
    • EP94105854.7
    • 1994-04-15
    • AUSIMONT S.p.A.
    • Turri, StefanoGianotti, GiuseppeLevi, MarinellaTonelli, Claudio
    • C08G63/682C08G63/672
    • C08G63/6826C08G63/672
    • 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.
    • 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。
    • 9. 发明公开
    • Compositions for films having a low refractive index
    • ZusammensetzungenfürFolien mit niedrigem Brechungsindex
    • EP1057849A2
    • 2000-12-06
    • EP00111160.8
    • 2000-05-24
    • Ausimont S.p.A.
    • Turri, Stefano
    • C08J5/18
    • C09D175/16C08F259/08C08F290/04C08G18/10C08G18/5015C08G18/672C08G18/8108C08G65/007C08L51/003C09D151/003C08G18/50C08L2666/02
    • 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.
    • 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 。