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    METHOD OF MAKING FLUOROPOLYMER DISPERSION
    1.
    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。

    METHOD OF REMOVING FLUORINATED CARBOXYLIC ACID FROM AQUEOUS LIQUID
    3.
    发明申请
    METHOD OF REMOVING FLUORINATED CARBOXYLIC ACID FROM AQUEOUS LIQUID 有权

    公开(公告)号：US20070027251A1

    公开(公告)日：2007-02-01

    申请号：US11420416

    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 ,  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 ,  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 for removing a fluorinated carboxylic acid or salt thereof from an aqueous liquid by contacting the aqueous liquid with adsorbent particles. The fluorinated carboxylic acid or salt thereof is selected from the group consisting of (i) partially fluorinated carboxylic acids or salts thereof corresponding to the general formula: [PF1—O-L1-COO−]iXi+  (I) wherein PF1 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, L1 represents a linear partially or fully fluorinated alkylene group or an aliphatic hydrocarbon group with the proviso that when PF1 is fully fluorinated, L1 is a linear partially fluorinated alkylene group or an aliphatic hydrocarbon group, Xi+ represents a cation having the valence i and i is 1, 2 or 3; and (ii) fully fluorinated carboxylic acids or salts thereof corresponding to one of the following general formulas: [PF2—O—(CF2)p—COO−]iXi+  (II) wherein PF2 represents a linear fully fluorinated aliphatic group or a linear fully fluorinated aliphatic group interrupted with one or more oxygen atoms, p is an integer of 2 to 6 and Xi+ and i have the same meaning as in formula (I); or [PF3-(L2)f-O—CF2—COO−]iXi+  (III) wherein PF3 represents a linear fully fluorinated aliphatic group or a linear fully fluorinated aliphatic group interrupted with one or more oxygen atoms, L2 represents —O(CF2)x— wherein x is an integer of 1 or 3 to 6, —(O—CF2CF2)s— wherein s is 1, 2 or 3 or —(OCF2)u— wherein u is an integer of 1 to 6, f is 0 or 1 with the proviso that when f is 0, PF3 represents F(CF2)1— wherein 1 is 1, 2, 4, 5 or 6 and with the proviso that when f is 1 and L2 represents —(O—CF2CF2)s—, PF3 represents CF3 or CF3CF2 and Xi+ and i have the same meaning as in formula (I).

    AQUEOUS EMULSION POLYMERIZATION OF FLUORINATED MONOMERS USING A PERFLUOROPOLYETHER SURFACTANT
    4.
    发明申请
    AQUEOUS EMULSION POLYMERIZATION OF FLUORINATED MONOMERS USING A PERFLUOROPOLYETHER SURFACTANT 审中-公开
    使用全氟聚醚表面活性剂的氟化单体的水性乳液聚合

    公开(公告)号：US20070015865A1

    公开(公告)日：2007-01-18

    申请号：US11457500

    申请日：2006-07-14

    申请人： KLAUS HINTZER ,  Michael Jurgens ,  Harald Kaspar ,  Kai Lochhaas ,  Andreas Maurer ,  Tilman Zipplies

    发明人： KLAUS HINTZER ,  Michael Jurgens ,  Harald Kaspar ,  Kai Lochhaas ,  Andreas Maurer ,  Tilman Zipplies

    IPC分类号： D06M15/277

    CPC分类号： C08F14/18 ,  C08F2/24 ,  C08F2/22

    摘要： The invention relates to an aqueous emulsion polymerization of fluorinated monomers using perfluoropolyethers of the following formula (I) or (II). In particular, the perfluoropolyether surfactants correspond to formula (I) or (II) CF3—(OCF2)m—O—CF2—X  (I) wherein m has a value of 1 to 6 and X represents a carboxylic acid group or salt thereof, CF3—O—(CF2)3—(OCF(CF3)—CF2)z—O-L-Y  (II) wherein z has a value of 0, 1, 2 or 3, L represents a divalent linking group selected from —CF(CF3)—, —CF2— and —CF2CF2— and Y represents a carboxylic acid group or salt thereof. The invention further relates to an aqueous dispersion of a fluoropolymer having the aforementioned perfluoropolyether surfactant(s).

    摘要翻译： 本发明涉及使用下式（I）或（II）的全氟聚醚的含氟单体的水乳液聚合。 特别地，全氟聚醚表面活性剂对应于式（I）或（II）<？in-line-formula description =“In-line Formulas”end =“lead”？> CF 3 - （OCF α-N-X（I）<βin-line-formula description =“In-line Formulas”end =“尾”→其中m具有1至6的值，X表示羧酸基团或其盐，<？在线公式描述=“在线公式”末端=“铅”→CF （CF 3）3 - （OCF（CF 3）） - CF 2 - （CF 3 - ） - （II）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中z的值为0,1,2 或3，L表示选自-CF（CF 3 - ） - ， - CF 2 - 和 - CF 2 CO 2的二价连接基团， SUB 2 - ，Y表示羧酸基或其盐。 本发明还涉及具有上述全氟聚醚表面活性剂的含氟聚合物的水性分散体。

    RECOVERY OF FLUORINATED CARBOXYLIC ACID FROM ADSORBENT PARTICLES
    6.
    发明申请
    RECOVERY OF FLUORINATED CARBOXYLIC ACID FROM ADSORBENT PARTICLES 审中-公开
    从吸附颗粒中回收氟化的羧酸

    公开(公告)号：US20070025902A1

    公开(公告)日：2007-02-01

    申请号：US11420413

    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 ,  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 ,  George Moore ,  Jay Schulz ,  Richard Flynn

    IPC分类号： B01D53/70

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

    摘要： A process for the recovery of fluorinated carboxylic acid or derivative thereof from adsorbent particles on which fluorinated carboxylic acid or a salt thereof is adsorbed. The process includes contacting the adsorbent particles with a liquid composition capable of removing at least part of the fluorinated carboxylic acid or salt thereof from the adsorbent particles. The fluorinated carboxylic acid or salt thereof is selected from the group consisting of fluorinated carboxylic acids or salts thereof that correspond to the general formula: [RfO-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.

    摘要翻译： 从其上吸附氟化羧酸或其盐的吸附剂颗粒中回收氟化羧酸或其衍生物的方法。 该方法包括使吸附剂颗粒与能够从吸附剂颗粒中除去至少部分氟化羧酸或其盐的液体组合物接触。 氟化羧酸或其盐选自对应于以下通式的氟化羧酸或其盐：<？in-line-formula description =“In-line Formulas”end =“lead”→> （I）＆lt;＆lt;＆lt;＆lt; i＆lt; i＆lt; i＆lt; “直链式”末端=“尾”→其中L表示直链部分或完全氟化的亚烷基或脂族烃基，R f表示直链部分或完全氟化的脂肪族基团或 被一个或多个氧原子间断的直链部分或完全氟化的脂肪族基团，X i表示i价和i为1,2或3的阳离子。