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    Process for producing fluoropolymers having a reduced amount of polar end groups
    4.
    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。

    Treatment of fluorocarbon feedstocks
    5.
    发明授权
    Treatment of fluorocarbon feedstocks 失效
    氟碳原料的处理

    公开(公告)号：US07252744B2

    公开(公告)日：2007-08-07

    申请号：US10203527

    申请日：2001-02-09

    申请人： Izak Jacobus Van Der Walt ,  Klaus Hintzer ,  Gernot Löhr

    发明人： Izak Jacobus Van Der Walt ,  Klaus Hintzer ,  Gernot Löhr

    IPC分类号： B01J19/08

    CPC分类号： C07C17/367 ,  B01D5/0096 ,  C07C17/361 ,  H05H1/48

    摘要： A method of treating a fluorocarbon feedstock includes generating, in a high temperature zone, an electrical arc between at least one cathode and at least one anode, generating in the high temperature zone and by means of the electrical arc and a plasma gas, an upwardly burning thermal plasma having a tail flame, allowing a solid particulate fluorocarbon feedstock comprising at least on fluorocarbon compound to form a reactive thermal mixture with the thermal plasma tail flame, with the fluorocarbon compound dissociating into at least one fluorocarbon precursor or reactive species, and cooling the reactive thermal mixture to form, from the fluorocarbon precursor of reactive species, at least one more desirable fluorocarbon compound.

    摘要翻译： 处理碳氟化合物原料的方法包括在高温区域中，在至少一个阴极和至少一个阳极之间产生电弧，在高温区域中产生电弧，通过电弧和等离子体气体产生向上 燃烧具有尾焰的热等离子体，允许至少包含氟碳化合物的固体颗粒状碳氟化合物原料与热等离子体尾焰形成反应性热混合物，氟碳化合物解离成至少一种氟碳前体或反应性物质，并冷却 反应性热混合物从反应性物质的碳氟前体形成至少一种更理想的碳氟化合物。

    Method for recovering fluorinated emulsifiers from aqueous phases
    7.
    发明授权
    Method for recovering fluorinated emulsifiers from aqueous phases 失效
    从水相中回收氟化乳化剂的方法

    公开(公告)号：US06706193B1

    公开(公告)日：2004-03-16

    申请号：US10009757

    申请日：2001-12-11

    申请人： Georg Burkard ,  Klaus Hintzer ,  Gernot Löhr

    发明人： Georg Burkard ,  Klaus Hintzer ,  Gernot Löhr

    IPC分类号： C02F142

    CPC分类号： C02F1/547 ,  B01J41/04 ,  C02F1/42 ,  C07C51/47 ,  C07C53/18

    摘要： Fluorinated emulsifiers can be recovered from an aqueous phase containing small amounts of fluoropolymer particles by treating the aqueous phase with a small amount of a nonionic surface-active agent, bringing the aqueous phase adjusted in this way into contact with an anionic exchanger resin, and liberating the adsorbed emulsifier from the exchanger resin. The finely divided fluoropolymer can be precipitated quantitatively in the untreated aqueous phase or the eluate using flocculating agents.

    摘要翻译： 氟化乳化剂可以通过用少量的非离子表面活性剂处理水相，从含有少量含氟聚合物颗粒的水相中回收，使水相以这种方式与阴离子交换树脂接触，并释放 来自交换树脂的吸附乳化剂。 精细分散的含氟聚合物可以使用絮凝剂在未处理的水相或洗脱液中定量析出。

    Method of recovering fluorinated acid surfactants from adsorbent particles loaded therewith
    8.
    发明授权
    Method of recovering fluorinated acid surfactants from adsorbent particles loaded therewith 有权
    从装载有吸附剂的颗粒中回收氟化表面活性剂的方法

    公开(公告)号：US07754914B2

    公开(公告)日：2010-07-13

    申请号：US11036432

    申请日：2005-01-14

    申请人： Stephan Führer ,  Klaus Hintzer ,  Gernot Löhr ,  Egon Obermaier ,  Werner Schwertfeger

    发明人： Stephan Führer ,  Klaus Hintzer ,  Gernot Löhr ,  Egon Obermaier ,  Werner Schwertfeger

    IPC分类号： C07C69/63 ,  C07C53/21

    CPC分类号： C07C51/493 ,  C07C53/21

    摘要： The present invention provides a method of recovering a fluorinated acid surfactant or salt thereof from adsorbent particles to which said fluorinated acid surfactant has been adsorbed. The method comprises mixing adsorbent particles having adsorbed fluorinated acid surfactant or salt thereof with an alcohol and optionally an acid. The mixture is generally heated to cause esterification of the fluorinated acid surfactant or salt thereof with the alcohol so as to form an ester derivative of the fluorinated acid surfactant, distilling the mixture to form a distillate comprising the ester derivative, separating the ester derivative from the distillate and optionally feeding the remainder of the distillate back into the mixture.

    摘要翻译： 本发明提供一种从吸附了氟化酸表面活性剂的吸附剂颗粒中回收氟化酸表面活性剂或其盐的方法。 该方法包括将具有吸附的氟化酸表面活性剂或其盐的吸附剂颗粒与醇和任选的酸混合。 通常加热混合物以使氟化酸表面活性剂或其盐与醇进行酯化，以形成氟化酸表面活性剂的酯衍生物，蒸馏该混合物以形成包含酯衍生物的馏出物，将酯衍生物与 馏出物和任选地将剩余的馏出物反馈回混合物中。

    Emulsifier free aqueous emulsion polymerization to produce copolymers of a fluorinated olefin and hydrocarbon olefin
    10.
    发明授权
    Emulsifier free aqueous emulsion polymerization to produce copolymers of a fluorinated olefin and hydrocarbon olefin 失效
    无乳化剂水性乳液聚合制备氟化烯烃和烃烯烃的共聚物

    公开(公告)号：US07064170B2

    公开(公告)日：2006-06-20

    申请号：US10690088

    申请日：2003-10-21

    申请人： Harald Kaspar ,  Peter J. Scott ,  Klaus Hintzer ,  Gernot Löhr

    发明人： Harald Kaspar ,  Peter J. Scott ,  Klaus Hintzer ,  Gernot Löhr

    IPC分类号： C08F12/20

    CPC分类号： C08F214/18

    摘要： Provided is a process for making a copolymer of fluorinated olefin and hydrocarbon olefin selected from ethylene, propylene and mixtures thereof, the process comprising a substantially emulsifier free aqueous emulsion polymerization of said fluorinated olefin and said hydrocarbon olefin, optionally in the presence of fluoropolymer particles and/or fluorinated liquid in a form suitable to improve the copolymerization of fluorinated olefin and hydrocarbon olefin.

    摘要翻译： 提供了制备氟化烯烃和选自乙烯，丙烯及其混合物的烃烯烃的共聚物的方法，该方法包括所述氟化烯烃和所述烃烯烃的基本上无乳化剂的水乳液聚合，任选在含氟聚合物颗粒和 /或氟化液体，其形式适合改善氟化烯烃和烃烯烃的共聚。