利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

378 条记录 (耗时 0.026 秒)

    Fluorinated oligourethanes
    2.
    发明授权
    Fluorinated oligourethanes 失效
    氟化低聚氨酯

    公开(公告)号：US07323435B1

    公开(公告)日：2008-01-29

    申请号：US09592254

    申请日：2000-06-12

    申请人： Stefano Turri ,  Marinella Levi ,  Tania Trombetta

    发明人： Stefano Turri ,  Marinella Levi ,  Tania Trombetta

    IPC分类号： C10M149/12 ,  C10M147/04 ,  C08G18/00 ,  C08G73/00

    CPC分类号： C08G18/792 ,  C08G18/0814 ,  C08G18/2885 ,  C08G18/5015 ,  C08G18/672 ,  C08G18/50

    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   (Ib) 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 compounds: d) heterofunctional monomers, dI) hydrogen-active compounds, capable to form bonds with the NCO functions stable at the hydrolysis but weak at heat.

    摘要翻译： 数均分子量低于或等于9,000的氟化低聚氨酯具有分支结构，由以下单体和大分子单体形成：a）脂族，脂环族或芳族多异氰酸酯，b）具有以下通式的异型官能氢化单体： line-formula description =“In-line Formulas”end =“lead”？> X - （CR <1>

    Fluorovinyl ethers and polymers obtainable therefrom
    4.
    发明申请
    Fluorovinyl ethers and polymers obtainable therefrom 有权
    氟乙烯基醚和可从其获得的聚合物

    公开(公告)号：US20050192420A1

    公开(公告)日：2005-09-01

    申请号：US11115173

    申请日：2005-04-27

    申请人： Walter Navarrini

    发明人： Walter Navarrini

    IPC分类号： C08F16/24 ,  C08F216/14 ,  C07C43/02 ,  C07C43/18

    CPC分类号： C08F216/1416

    摘要： Fluorovinyl ethers having the formula CFX═CXOCF2OR, wherein R is a C2-C6 linear, branched or C5-C6 cyclic (per)fluoroalkyl group, or a C2-C6 linear, branched (per)fluoro oxyalkyl group containing from one to three oxygen atoms; when R is fluoroalkyl or fluorooxyalkyl group as above defined, it can contain from 1 to 2 atoms, equal or different, selected from the following: H, Cl, Br, I; X═F, H; and homopolymers or polymers obtainable polymerizing said Fluorovinyl ethers with at least another polymerizable monomer.

    摘要翻译： 具有式CFX-CXOCF 2 OR的氟乙烯基醚，其中R是C 2 -C 6直链，支链或C 5 （全）氟代烷基或C 2 -C 6 -C 6直链，支链（全）氟烷基（C 1 -C 6） 含1至3个氧原子的基团; 当R是如上所定义的氟代烷基或氟氧基烷基时，它可以含有1至2个等于或不同的选自下列的原子：H，Cl，Br，I; X-F，H; 和可以使至少另一种可聚合单体使所述氟乙烯基醚聚合的均聚物或聚合物。

    Fluoroelastomeric compositions
    5.
    发明授权
    Fluoroelastomeric compositions 失效
    氟弹性组合物

    公开(公告)号：US06844036B2

    公开(公告)日：2005-01-18

    申请号：US10151886

    申请日：2002-05-22

    申请人： Marco Apostolo ,  Margherita Albano ,  Stefano Arrigoni

    发明人： Marco Apostolo ,  Margherita Albano ,  Stefano Arrigoni

    IPC分类号： C08F214/22 ,  C08F214/26 ,  C08K5/14 ,  C08L27/16 ,  C08L27/18 ,  B29D23/00 ,  C08F216/12 ,  F16L1/08

    CPC分类号： C08L27/16 ,  C08L27/18 ,  C08L2205/02 ,  Y10T428/1352 ,  Y10T428/249921 ,  Y10T428/249953 ,  C08L2666/04

    摘要： Fluoroelastomeric compositions comprising: A) a fluoroelastomeric matrix; B) a semi-crystalline fluoropolymer, in an amount from higher than 40% to 90% by weight based on the total of A)+B); the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE by copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.

    摘要翻译： 氟弹性体组合物，其包含：A）含氟弹性体基体; B）半结晶含氟聚合物，其含量相对于A）+ B）的总量高于40重量％至90重量％;含氟弹性体A）将含氟聚合物B ），氟聚合物B）由四氟乙烯（TFE）均聚物形成，或通过与一种或多种含有至少一种乙烯不饱和键的单体的共聚物与TFE形成，半结晶含氟聚合物颗粒的平均尺寸为10至100nm ，优选为10〜60nm。

    Additives for hydrogenated resins
    8.
    发明申请
    Additives for hydrogenated resins 失效
    氢化树脂添加剂

    公开(公告)号：US20040102575A1

    公开(公告)日：2004-05-27

    申请号：US10713204

    申请日：2003-11-17

    申请人： Ausimont S.p.A.

    发明人： Stefano Turri ,  Aldo Sanguineti ,  Massimo Scicchitano

    IPC分类号： C08K003/00

    CPC分类号： C08K3/00 ,  C08G65/007 ,  C08G69/40 ,  C08G81/025 ,  C08L71/02 ,  C08L77/06 ,  C08L2666/04 ,  C08L51/00

    摘要： Additives for hydrogenated resins obtainable by using the following components: a) bifunctional perfluoropolyethers having a nullCOOR end group, optionally in admixture with monofunctional perfluoropolyethers having a nullCOOR end group, b) mono, bi or polyfunctional hydrogenated monomers having functional groups able to react with the nullCOOR 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 nullCOOR group of component a), and in a second step the product obtained from the reaction of a) with b) with the functionalized polyolefins c).

    摘要翻译： 通过使用以下组分可获得的氢化树脂添加剂：a）具有-COOR端基的双功能全氟聚醚，任选地与具有-COOR端基的单官能全氟聚醚混合，b）具有能够反应的官能团的单，双或多官能氢化单体 与化合物a）的-COOR端基; c）具有能够通过a）与b）反应获得的嵌段低聚物/聚合物反应的官能团的聚烯烃，优选通过与马来酸酐接枝而获得的所述官能团; 在第一步a）中与b）反应，直到组分a）的-COOR基团消失，并且在第二步中，从a）与b）的反应获得的产物与官能化的聚烯烃c）反应。

    Tetrafluoroethylene thermoprocessable copolymer microspheres
    9.
    发明申请
    Tetrafluoroethylene thermoprocessable copolymer microspheres 有权
    四氟乙烯热可加工共聚物微球

    公开(公告)号：US20040082746A1

    公开(公告)日：2004-04-29

    申请号：US10600621

    申请日：2003-06-23

    申请人： Ausimont S.p.A.

    发明人： Hua Wu ,  Francesco Morandi

    IPC分类号： C08F114/18

    CPC分类号： C08J3/16 ,  C08F14/26

    摘要： Tetrafluoroethylene (TFE) thermoprocessable copolymer microspheres having a substantially spherical shape for at least 95% by weight, the average size of the microspheres being in the range 25 nullm and 2 mm, the bulk density being in the range 0.5 and 1.1 g/cm3.

    摘要翻译： 具有基本上球形的至少95重量％的四氟乙烯（TFE）热可共聚物微球，所述微球的平均尺寸在25μm和2mm的范围内，堆积密度在0.5和1.1g / cm 3的范围内， 3>。

    Thermoplastic fluorinated polymers
    10.
    发明申请
    Thermoplastic fluorinated polymers 失效
    热塑性氟化聚合物

    公开(公告)号：US20020198325A1

    公开(公告)日：2002-12-26

    申请号：US10151954

    申请日：2002-05-22

    申请人： Ausimont S.p.A.

    发明人： Julio A. Abusleme ,  Claudia Manzoni

    IPC分类号： C08L027/12

    CPC分类号： C08L27/12 ,  C08L2205/02 ,  C08L2666/04

    摘要： A composition comprising a polymer mixture A of polymers formed by: (a) from 10 to 70% by moles of ethylene (E), (b) from 30 to 90%, by moles of a fluorinated monomer selected from tetrafluoroethylene (TFE), chlorotrifluoroethylene (CTFE), or mixtures thereof, (c) from 0.1 to 30% by moles, with respect to the total amount of monomers (a) and (b), of one or more acrylic monomers; characterized in that the polymer mixture A comprises polymer fractions having a different content of the acrylic comonomer such that the elastic modulus at 23null C. (ASTM D1708) of said polymer mixture A is lower than at least 10% of the elastic modulus of a polymer formed by monomers a), b) and c) wherein the polymer fractions have substantially an equal content of the acrylic comonomer.

    摘要翻译： 一种组合物，其包含通过以下形成的聚合物混合物A：（a）10至70摩尔％的乙烯（E），（b）30至90摩尔的选自四氟乙烯（TFE）， 氯三氟乙烯（CTFE）或其混合物，（c）相对于单体（a）和（b）的总量为0.1至30摩尔％的一种或多种丙烯酸类单体; 其特征在于，所述聚合物混合物A包含具有不同含量的丙烯酸共聚单体的聚合物级分，使得所述聚合物混合物A的23℃下的弹性模量（ASTM D1708）低于所述聚合物混合物A的弹性模量的至少10％ 由单体a），b）和c）形成的聚合物，其中聚合物部分具有基本相等的丙烯酸共聚单体含量。