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    Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactant
    3.
    发明授权
    Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactant 有权
    使用包含含氟聚醚酸或盐和短链含氟表面活性剂的聚合剂进行含氟单体的水聚合

    公开(公告)号：US08519072B2

    公开(公告)日：2013-08-27

    申请号：US13167000

    申请日：2011-06-23

    申请人： Paul Douglas Brothers ,  Subhash Vishnu Gangal

    发明人： Paul Douglas Brothers ,  Subhash Vishnu Gangal

    IPC分类号： C08F14/18

    CPC分类号： C08F14/26 ,  C08F14/18 ,  C08F214/262 ,  C08K3/20 ,  C08L27/18 ,  C08L2201/54 ,  C08F2/16

    摘要： A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer, the polymerization agent comprising: fluoropolyether acid or salt thereof having a number average molecular weight of at least about 800 g/mol; and fluorosurfactant having the formula: [R1—On-L-A−]Y+ wherein: R1 is a linear or branched partially or fully fluorinated aliphatic group which may contain ether linkages; n is 0 or 1; L is a linear or branched alkylene group which may be nonfluorinated, partially fluorinated or fully fluorinated and which may contain ether linkages; A− is an anionic group selected from the group consisting of carboxylate, sulfonate, sulfonamide anion, and phosphonate; and Y+ is hydrogen, ammonium or alkali metal cation; with the proviso that the chain length of R1—On-L- is not greater than 6 atoms.

    摘要翻译： 一种方法，其包括在含有引发剂和聚合剂的水性介质中聚合至少一种氟化单体以形成含氟聚合物颗粒的水分散体，所述聚合剂包含：数均分子量为至少约800g的氟聚醚酸或其盐 / mol; 和具有下式的含氟表面活性剂：[R1-On-L-A-] Y +其中：R1是可以含有醚键的直链或支链部分或完全氟化的脂族基团; n为0或1; L是直链或支链亚烷基，其可以是非氟化的，部分氟化的或完全氟化的，并且可以含有醚键; A-是选自羧酸酯，磺酸酯，磺酰胺阴离子和膦酸酯的阴离子基团; Y +为氢，铵或碱金属阳离子; 条件是R1-On-L的链长不大于6个原子。

    Nucleation in Aqueous Polymerization of Fluoromonomer
    4.
    发明申请
    Nucleation in Aqueous Polymerization of Fluoromonomer 有权
    含氟单体的水聚合中的成核

    公开(公告)号：US20120116017A1

    公开(公告)日：2012-05-10

    申请号：US13292344

    申请日：2011-11-09

    申请人： Paul Douglas Brothers ,  Subhash Vishnu Gangal ,  Dipti Dilip Khasnis

    发明人： Paul Douglas Brothers ,  Subhash Vishnu Gangal ,  Dipti Dilip Khasnis

    IPC分类号： C08L27/18

    CPC分类号： C08F2/16 ,  C08F14/18 ,  C08F2/26 ,  C08F2/28 ,  C08F2/30

    摘要： A process is provided for polymerizing fluoromonomer in an aqueous medium, wherein a dispersion of essentially surfactant-free hydrocarbon-containing oleophilic nucleation sites is first formed in the aqueous medium, and then polymerization is commenced to form a dispersion of fluoropolymer particles at the oleophilic nucleation sites, wherein the nucleation sites can be derived from hydrocarbon-containing compound. The surfactant used to stabilize the fluoropolymer dispersion can also be hydrocarbon-containing.

    摘要翻译： 提供了一种用于在含水介质中聚合含氟单体的方法，其中首先在水性介质中形成基本上不含表面活性剂的含烃亲油成核位点的分散体，然后开始聚合以在亲油成核时形成含氟聚合物颗粒的分散体 其中成核位点可以衍生自含烃化合物。 用于稳定含氟聚合物分散体的表面活性剂也可以是含烃的。

    Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactant
    7.
    发明授权
    Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactant 有权
    使用包含含氟聚醚酸或盐和短链含氟表面活性剂的聚合剂进行含氟单体的水聚合

    公开(公告)号：US07705074B2

    公开(公告)日：2010-04-27

    申请号：US11937544

    申请日：2007-11-09

    申请人： Paul Douglas Brothers ,  Subhash Vishnu Gangal

    发明人： Paul Douglas Brothers ,  Subhash Vishnu Gangal

    IPC分类号： C07F9/40

    CPC分类号： C08F14/26 ,  C08F14/18 ,  C08F214/262 ,  C08K3/20 ,  C08L27/18 ,  C08L2201/54 ,  C08F2/16

    摘要： A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer, the polymerization agent comprising: fluoropolyether acid or salt thereof having a number average molecular weight of at least about 800 g/mol; and fluorosurfactant having the formula: [R1—On-L-A−] Y+ wherein: R1 is a linear or branched partially or fully fluorinated aliphatic group which may contain ether linkages; n is 0 or 1; L is a linear or branched alkylene group which may be nonfluorinated, partially fluorinated or fully fluorinated and which may contain ether linkages; A− is an anionic group selected from the group consisting of carboxylate, sulfonate, sulfonamide anion, and phosphonate; and Y+ is hydrogen, ammonium or alkali metal cation; with the proviso that the chain length of R1—On-L- is not greater than 6 atoms.

    摘要翻译： 一种方法，其包括在含有引发剂和聚合剂的水性介质中聚合至少一种氟化单体以形成含氟聚合物颗粒的水分散体，所述聚合剂包含：数均分子量为至少约800g的氟聚醚酸或其盐 / mol; 和具有下式的含氟表面活性剂：[R1-On-L-A] Y +其中：R1是可以含有醚键的直链或支链部分或完全氟化的脂族基团; n为0或1; L是直链或支链亚烷基，其可以是非氟化的，部分氟化的或完全氟化的，并且可以含有醚键; A-是选自羧酸酯，磺酸酯，磺酰胺阴离子和膦酸酯的阴离子基团; Y +为氢，铵或碱金属阳离子; 条件是R1-On-L的链长不大于6个原子。