利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

84 条记录 (耗时 0.034 秒)

    METHOD OF MAKING FLUOROPOLYMER DISPERSION
    8.
    发明申请
    METHOD OF MAKING FLUOROPOLYMER DISPERSION 有权
    制备氟聚合物分散体的方法

    公开(公告)号：US20070015864A1

    公开(公告)日：2007-01-18

    申请号：US11420386

    申请日：2006-05-25

    申请人： Klaus Hintzer ,  Michael Jurgens ,  Harald Kaspar ,  Herbert Koenigsmann ,  Kai Lochhaas ,  Andreas Maurer ,  Werner Schwertfeger ,  Tilman Zipplies ,  Ludwig Mayer ,  Michael Dadalas ,  George Moore ,  Jay Schulz ,  Richard Flynn

    发明人： Klaus Hintzer ,  Michael Jurgens ,  Harald Kaspar ,  Herbert Koenigsmann ,  Kai Lochhaas ,  Andreas Maurer ,  Werner Schwertfeger ,  Tilman Zipplies ,  Ludwig Mayer ,  Michael Dadalas ,  George Moore ,  Jay Schulz ,  Richard Flynn

    IPC分类号： C08L27/12

    CPC分类号： C08L27/12 ,  C08L71/02 ,  Y02C20/30 ,  C08L2666/22

    摘要： A method of making a fluoropolymer dispersion by first providing a fluoropolymer dispersion comprising fluoropolymer particles and one or more fluorinated surfactants selected from fluorinated carboxylic acids or salts thereof having the general formula: [Rf—O-L-COO−]iXi+  (I) wherein L represents a linear partially or fully fluorinated alkylene group or an aliphatic hydrocarbon group, Rf represents a linear partially or fully fluorinated aliphatic group or a linear partially or fully fluorinated aliphatic group interrupted with one or more oxygen atoms, Xi+ represents a cation having the valence i and i is 1, 2 or 3; Then adding one or more non-fluorinated surfactants selected from anionic and non-ionic surfactants followed by reducing the total amount of the one or more fluorinated surfactants to an amount of not more than 500 ppm, for example not more than 250 ppm based on the total weight of the dispersion while maintaining or increasing the amount of solids in the dispersion.

    摘要翻译： 首先提供含氟聚合物颗粒和一种或多种选自氟化羧酸或其盐的含氟表面活性剂的含氟聚合物分散体的制备氟聚合物分散体的方法，所述氟化聚合物分散体具有以下通式：<？in-line-formula description =“In-Line Formulas” （I）结束=“引导”→[R f> OL O> - ））））））））））））））））））））））））） <？in-line-formula description =“In-line formula”end =“tail”？>其中L表示线性部分或完全氟化的亚烷基或脂族烃基，R f表示 线性部分或全氟化的脂族基团或被一个或多个氧原子间隔的线性部分或完全氟化的脂肪族基团，表示i为i且i为1,2或3的阳离子; 然后加入一种或多种选自阴离子和非离子表面活性剂的非氟化表面活性剂，然后将一种或多种氟化表面活性剂的总量减少至不超过500ppm，例如不超过250ppm，基于 分散体的总重量，同时保持或增加分散体中固体的量。

    Fluoropolymer for making a fluoroelastomer
    9.
    发明申请
    Fluoropolymer for making a fluoroelastomer 审中-公开
    用于制造含氟弹性体的含氟聚合物

    公开(公告)号：US20060052557A1

    公开(公告)日：2006-03-09

    申请号：US11198991

    申请日：2005-08-08

    申请人： Harald Kaspar ,  Klaus Hintzer

    发明人： Harald Kaspar ,  Klaus Hintzer

    IPC分类号： C08F214/18

    CPC分类号： C08F214/18 ,  C08F214/186

    摘要： In accordance with one aspect of the invention, there is provided (i) an amorphous fluoropolymer that has one or more cure site components, the cure site components being contained in the amorphous fluoropolymer in an amount between 0.1 and 0.5 mol % based on the total amount of repeating units and/or (ii) the amorphous fluoropolymer is capable of being dehydrofluorinated, wherein the amorphous fluoropolymer is derivable from a polymerization of (a) one or more gaseous fluorinated monomers and (b) not more than 0.5% by weight based on the total weight of monomers of one or more olefins having a bromine or iodine atom bonded to a carbon of the double bond of the olefin.

    摘要翻译： 根据本发明的一个方面，提供（i）具有一个或多个固化部位成分的无定形含氟聚合物，所述无定形含氟聚合物中的固化部位成分以基于总量的0.1至0.5mol％ 重复单元的量和/或（ii）无定形含氟聚合物能够脱氟化氢，其中无定形含氟聚合物可衍生自（a）一种或多种气态氟化单体的聚合，和（b）不超过0.5重量％ 关于具有与烯烃的双键结合的溴或碘原子的一种或多种烯烃的单体的总重量。

    Process for producing fluoropolymers having a reduced amount of polar end groups
    10.
    发明授权
    Process for producing fluoropolymers having a reduced amount of polar end groups 有权
    制备极性端基量少的含氟聚合物的方法

    公开(公告)号：US06812310B2

    公开(公告)日：2004-11-02

    申请号：US10452523

    申请日：2003-06-02

    申请人： Werner M. A. Grootaert ,  Klaus Hintzer ,  Bernhard Hirsch ,  Harald Kaspar ,  Gernot Löhr ,  Franz März ,  Guy Van Gool

    发明人： Werner M. A. Grootaert ,  Klaus Hintzer ,  Bernhard Hirsch ,  Harald Kaspar ,  Gernot Löhr ,  Franz März ,  Guy Van Gool

    IPC分类号： C08F11418

    CPC分类号： C08F214/262 ,  C08F214/267

    摘要： A fluoropolymer having a reduced amount of polar end groups. The fluoropolymer is produced by free radical polymerization of fluorinated monomers and the initiation of the polymerization is carried out in the presence of a chloride salt. Polar end groups include hydroxy groups and ionized or ionizable end groups. Examples of ionized or ionizable end groups include acid groups and salts thereof such as sulfonic acid and salts thereof, —CH2—OSO3H groups, sulfates and carbonyl containing end groups such as carboxylic and carboxylate groups. Due to the presence of chloride salt at the initiation of the free radical polymerization, CF2Cl end groups are formed instead of the polar end groups. As a result, a fluoropolymer is obtained that has improved processibility and heat resistance.

    摘要翻译： 具有极性端基量减少的含氟聚合物。 含氟聚合物通过氟化单体的自由基聚合制备，并且聚合的引发在氯化物盐的存在下进行。 极性端基包括羟基和电离或可离子化端基。 电离或可离子化端基的实例包括酸基及其盐，例如磺酸及其盐，-CH 2 -OSO 3 H基，硫酸酯和含羰基的端基如羧酸和羧酸酯基。 由于在自由基聚合开始时存在氯化物盐，而是形成CF 2 Cl端基，而不是极性端基。 结果，得到具有改善的加工性和耐热性的含氟聚合物。