Aromatic Sulfone Polymer Composition Comprising Tetrafluoroethylene Polymer Particles
    1.
    发明申请
    Aromatic Sulfone Polymer Composition Comprising Tetrafluoroethylene Polymer Particles 审中-公开
    包含四氟乙烯聚合物颗粒的芳族砜聚合物组合物

    公开(公告)号:US20090264594A1

    公开(公告)日:2009-10-22

    申请号:US12295627

    申请日:2006-12-04

    IPC分类号: C08L81/06

    摘要: The invention relates to an aromatic sulfone polymer composition comprising at least one aromatic sulfone polymer [polymer (P)]; from 0.02 to less than 10 wt %, based on the total weight of the composition, of a tetrafluoroethylene (TFE) polymer [polymer (F)] under the form of nanoparticles, wherein said nanoparticles have an average primary particle size of less than 100 nm. The compositions of the invention advantageously display an unexpected combination of excellent mechanical properties, excellent chemical resistance, excellent optical properties (transparency and/or colorability) and low flammability.Still an object of the invention is a process for manufacturing aromatic sulfone polymer compositions. According to a preferred embodiment, said process comprises a co-coagulating step of an aromatic sulfone polymer solution with TFE nanoparticles. Still objects of the invention are the articles comprising the composition as above specified.

    摘要翻译: 本发明涉及包含至少一种芳族砜聚合物[聚合物(P)]的芳族砜聚合物组合物; 基于组合物的总重量为0.02至小于10重量%的纳米颗粒形式的四氟乙烯(TFE)聚合物[聚合物(F)]),其中所述纳米颗粒的平均一次粒径小于100 nm。 本发明的组合物有利地显示出优异的机械性能,优异的耐化学性,优异的光学性质(透明度和/或着色性)和低可燃性的意想不到的组合。 本发明的另一个目的是制备芳族砜聚合物组合物的方法。 根据优选的实施方案,所述方法包括芳族砜聚合物溶液与TFE纳米颗粒的共凝固步骤。 本发明的静止目的是包含如上所述的组合物的制品。

    Ptfe-Based Compositions
    2.
    发明申请
    Ptfe-Based Compositions 审中-公开
    基于Ptfe的组合

    公开(公告)号:US20080275162A1

    公开(公告)日:2008-11-06

    申请号:US12094871

    申请日:2006-12-04

    IPC分类号: C08L79/08

    摘要: The invention relates to core-shell particles, said particles comprising: a core consisting essentially of at least one tetrafluoroethylene (TFE) polymer [polymer (F)], said core having an average primary particle size of less than 100 nm a shell consisting essentially of at least one high performance polymer [polymer (HPP)], wherein the polymer (HPP) is chosen among polycondensation polymers that have a heat deflection temperature (HDT) of above 80° C. under a load of 1.82 MPa when measured according to ASTM D648. The core-shell particles of the invention advantageously allow obtaining molded articles with homogeneous properties, both when used alone and when used as additive, as they generally do not undergo segregation phenomena.Still objects of the inventions are the process for manufacturing said core-shell particles, the use of said particles as additives, the composition and the articles thereof.

    摘要翻译: 本发明涉及核 - 壳颗粒,所述颗粒包括:主要由至少一种四氟乙烯(TFE)聚合物[聚合物(F)]组成的芯,所述芯的平均初级粒径小于100nm,壳基本上 的至少一种高性能聚合物[聚合物(HPP)],其中聚合物(HPP)选自在1.82MPa的负载下具有高于80℃的热变形温度(HDT)的缩聚聚合物,当根据 ASTM D648。 本发明的核 - 壳颗粒有利地获得具有均匀性质的成型制品,当它们单独使用和用作添加剂时,因为它们通常不会发生分离现象。 本发明的另一个目的是制造所述核 - 壳颗粒的方法,所述颗粒作为添加剂的用途,组合物和制品。

    TETRAFLUOROETHYLENE POLYMER PARTICLES
    3.
    发明申请
    TETRAFLUOROETHYLENE POLYMER PARTICLES 审中-公开
    四氢氟乙烯聚合物颗粒

    公开(公告)号:US20110040039A1

    公开(公告)日:2011-02-17

    申请号:US11739145

    申请日:2007-04-24

    IPC分类号: C08L27/18 B32B5/00 B82Y99/00

    摘要: Core-shell particles having a core of at least one tetrafluoroethylene (TFE) polymer and having an average primary particle size of less than 50 nm; and a shell of at least one acrylic polymer having recurring units, more than 50% by moles of which being derived from at least one ethylenically unsaturated monomer having directly bonded to one of the sp2 carbon atoms of the ethylenic unsaturation at least one group of formula: Process for manufacturing core-shell particles. Use as ingredients/additives in polymer compositions, polymer composition and articles containing the same.

    摘要翻译: 具有至少一种四氟乙烯(TFE)聚合物的芯并且具有小于50nm的平均一次粒径的核 - 壳颗粒; 和具有重复单元的至少一种丙烯酸类聚合物的壳,大于50摩尔%的至少一种烯键式不饱和单体,其至少一种烯属不饱和单体直接键合到烯属不饱和键的一个sp2碳原子上,至少一个式 制造核 - 壳粒子的方法。 用作聚合物组合物中的成分/添加剂,聚合物组合物和含有它们的物品。

    Process for preparing fluoropolymer dispersions
    4.
    发明授权
    Process for preparing fluoropolymer dispersions 有权
    氟聚合物分散体的制备方法

    公开(公告)号:US07294276B2

    公开(公告)日:2007-11-13

    申请号:US11319802

    申请日:2005-12-29

    IPC分类号: C02P1/42 C08L27/12

    摘要: A process to substantially remove the fluorinated anionic surfactants from fluoropolymer dispersions comprising the following steps: a) addition to the fluoropolymer dispersion of an anionic polyelectrolyte; b) contact of the dispersion with an anionic exchanger; c) separation of the dispersion from the anionic exchanger and recovery of the dispersion substantially fluorinated anionic surfactant free.

    摘要翻译: 从含氟聚合物分散体中大量除去氟化阴离子表面活性剂的方法,包括以下步骤:a)加入阴离子聚电解质的氟聚合物分散体; b)分散体与阴离子交换剂的接触; c)从阴离子交换剂分离分散体并回收分散体基本氟化的阴离子表面活性剂。

    Fluoropolymer dispersion purification
    5.
    发明授权
    Fluoropolymer dispersion purification 有权
    含氟聚合物分散体净化

    公开(公告)号:US08859645B2

    公开(公告)日:2014-10-14

    申请号:US12296485

    申请日:2007-04-06

    摘要: The invention pertain to a process for purifying a fluoropolymer dispersion, said process comprising: (i) providing an aqueous dispersion (D) of at least one fluoropolymer [polymer (F)]comprising at least one fluorinated surfactant [surfactant (FS)], having a solids content (SC) of 15% by weight or more; (ii) adding to said aqueous dispersion (D) at least one non-ionic non-fluorinated surfactant [surfactant (NS)]; (iii) adjusting said solid content (SC) to less than 10% by weight, to obtain a diluted aqueous dispersion (dD); (iv) contacting said diluted aqueous dispersion (dD) with at least one adsorbing material, so as to obtain an aqueous dispersion of polymer (F) having a content of the fluorinated surfactant (FS) of less than 1 ppm based on the total weight of solids. Still an object of the invention is an aqueous fluoropolymer dispersion comprising less than 1 ppm of fluorinated surfactant.

    摘要翻译: 本发明涉及一种纯化含氟聚合物分散体的方法,所述方法包括:(i)提供至少一种包含至少一种氟化表面活性剂[表面活性剂(FS)]的含氟聚合物[聚合物(F)]的水性分散体(D) 固体含量(SC)为15重量%以上; (ii)向所述水分散体(D)中加入至少一种非离子非氟化表面活性剂[表面活性剂(NS)]; (iii)将所述固体含量(SC)调节至小于10重量%,以获得稀释的水分散体(dD); (iv)使所述稀释的水性分散体(dD)与至少一种吸附材料接触,以获得含氟表面活性剂(FS)的含量基于总重量的聚合物(F)的含水分散体小于1ppm 的固体。 本发明的另一目的是含有少于1ppm氟化表面活性剂的含氟聚合物水分散体。

    Fluoropolymer Dispersion Purification
    6.
    发明申请
    Fluoropolymer Dispersion Purification 有权
    含氟聚合物分散纯化

    公开(公告)号:US20090272944A1

    公开(公告)日:2009-11-05

    申请号:US12296485

    申请日:2007-04-06

    摘要: The invention pertain to a process for purifying a fluoropolymer dispersion, said process comprising: (i) providing an aqueous dispersion (D) of at least one fluoropolymer [polymer (F)] comprising at least one fluorinated surfactant [surfactant (FS)], having a solids content (SC) of 15% by weight or more; (ii) adding to said aqueous dispersion (D) at least one non-ionic non-fluorinated surfactant [surfactant (NS)]; (iii) adjusting said solid content (SC) to less than 10% by weight, to obtain a diluted aqueous dispersion (dD); (iv) contacting said diluted aqueous dispersion (dD) with at least one adsorbing material, so as to obtain an aqueous dispersion of polymer (F) having a content of the fluorinated surfactant (FS) of less than 1 ppm based on the total weight of solids. Still an object of the invention is an aqueous fluoropolymer dispersion comprising less than 1 ppm of fluorinated surfactant.

    摘要翻译: 本发明涉及一种纯化含氟聚合物分散体的方法,所述方法包括:(i)提供至少一种包含至少一种氟化表面活性剂[表面活性剂(FS)]的含氟聚合物[聚合物(F)]的水性分散体(D) 固体含量(SC)为15重量%以上; (ii)向所述水分散体(D)中加入至少一种非离子非氟化表面活性剂[表面活性剂(NS)]; (iii)将所述固体含量(SC)调节至小于10重量%,以获得稀释的水分散体(dD); (iv)使所述稀释的水性分散体(dD)与至少一种吸附材料接触,以获得含氟表面活性剂(FS)的含量基于总重量的聚合物(F)的含水分散体小于1ppm 的固体。 本发明的另一目的是含有少于1ppm氟化表面活性剂的含氟聚合物水分散体。

    Process for preparing fluoropolymer dispersions
    7.
    发明申请
    Process for preparing fluoropolymer dispersions 有权
    氟聚合物分散体的制备方法

    公开(公告)号:US20060144794A1

    公开(公告)日:2006-07-06

    申请号:US11319802

    申请日:2005-12-29

    IPC分类号: C02F1/42

    摘要: A process to substantially remove the fluorinated anionic surfactants from fluoropolymer dispersions comprising the following steps: a) addition to the fluoropolymer dispersion of an anionic polyelectrolyte; b) contact of the dispersion with an anionic exchanger; c) separation of the dispersion from the anionic exchanger and recovery of the dispersion substantially fluorinated anionic surfactant free.

    摘要翻译: 从含氟聚合物分散体中大量除去氟化阴离子表面活性剂的方法,包括以下步骤:a)加入阴离子聚电解质的含氟聚合物分散体; b)分散体与阴离子交换剂的接触; c)从阴离子交换剂分离分散体并回收分散体基本氟化的阴离子表面活性剂。

    Method for Manufacturing Fluoropolymers
    8.
    发明申请
    Method for Manufacturing Fluoropolymers 有权
    氟聚合物的制造方法

    公开(公告)号:US20120283383A1

    公开(公告)日:2012-11-08

    申请号:US13515973

    申请日:2010-12-16

    摘要: The invention pertains to a process for manufacturing a (per)fluoropolymer, said process comprising polymerizing one or more fluorinated monomers in the presence of a multi-phase medium, said medium comprising: (A) a water phase [phase (W)]; (B) at least one fluorinated surfactant [surfactant (FS)] having formula (I) here below: Rf—(OCF2CF2)k-1—O—CF2—COOXa  (I) wherein Rf is a C1-C3 perfluoroalkyl group comprising, optionally, one or more ether oxygen atoms, k is 2 or 3 and Xa is a selected from a monovalent metal and an ammonium group of formula NRN4, wherein RN, equal or different at each occurrence, is a hydrogen atom or a C1-C3 alkyl group; (C) an oil phase [phase (O)] comprising: at least one non-functional (per)fluoropolyether (non-functional PFPE) comprising at least one (per)fluoropolyoxyalkylene chain [chain (RF)] and at least one functional (per)fluoropolyether (functional PFPE) comprising at least one (per)fluoropolyoxyalkylene chain [chain (R′F)] and having a number average molecular weight of at least 1000 and a solubility of less than 1% by weight in water at 25° C.

    摘要翻译: 本发明涉及制备(全)含氟聚合物的方法,所述方法包括在多相介质存在下聚合一种或多种氟化单体,所述介质包括:(A)水相[相(W)]; (B)至少一种具有式(I)的氟化表面活性剂(表面活性剂(FS)):Rf-(OCF2CF2)k-1-O-CF2-COOXa(Ⅰ)其中Rf是C1-C3全氟烷基, 任选地,一个或多个醚氧原子,k为2或3,Xa为选自式NRN4的一价金属和铵基团,其中每次出现时相同或不同的RN为氢原子或C1-C3 烷基; (C)油相[相(O)],其包含:至少一种包含至少一种(全)氟聚氧亚烷基链[链(RF)]的至少一种非官能(全)氟聚醚(非功能性PFPE) 包含至少一种(全)氟聚氧亚烷基链[链(R'F)]并且具有至少1000的数均分子量和小于1重量%在水中的溶解度为25的(全)氟聚醚(功能性PFPE) C。

    Method for manufacturing fluoropolymers
    9.
    发明申请
    Method for manufacturing fluoropolymers 有权
    氟聚合物的制造方法

    公开(公告)号:US20110160415A1

    公开(公告)日:2011-06-30

    申请号:US13002781

    申请日:2009-07-06

    IPC分类号: C08F14/26 C07D317/42

    摘要: The invention pertains to a method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein said aqueous emulsion polymerization is carried out in the presence of at least one cyclic fluorocompound of the following formula (I): wherein X1, X2, X3, equal or different from each other are independently selected among H, F, and C1-6 (per)fluoroalkyl groups, optionally comprising one or more catenary or non-catenary oxygen atoms; L represents a bond or a divalent group; RF is a divalent fluorinated C1-3 bridging group; Y is a hydrophilic function selected among anionic functionalities, cationic functionalities and non-ionic functionalities.

    摘要翻译: 本发明涉及一种制备含氟聚合物的方法,该方法包括一种或多种含氟单体的水乳液聚合,其中所述水乳液聚合在至少一种下式(I)的环状氟化合物的存在下进行:其中X1,X2 各自独立地选自H,F和C 1-6(全)氟烷基,任选地包含一个或多个悬链或非链状氧原子的X 3相同或不同。 L表示键或二价基团; RF是二价氟化C1-3桥联基团; Y是选自阴离子官能团,阳离子官能团和非离子官能团的亲水性功能。

    Polymerization process
    10.
    发明申请
    Polymerization process 失效
    聚合过程

    公开(公告)号:US20070015888A1

    公开(公告)日:2007-01-18

    申请号:US11476560

    申请日:2006-06-29

    IPC分类号: C08F16/24

    CPC分类号: C08F14/18 C08F2/04 C08F2/08

    摘要: The invention pertains to a polymerization process including polymerizing at least one fluorinated monomer in the presence of a radical initiator and a surfactant in a polymerization medium containing carbon dioxide to provide a polymer product, characterized in that the surfactant is a functional (per)fluoropolyether, which is a polymer comprising recurring units (R1) and at least one functional group having a heteroatom other than fluorine, said recurring units having at least one ether linkage in the main chain and at least one fluorine atom (fluoropolyoxyalkene chain).

    摘要翻译: 本发明涉及一种聚合方法,其包括在自由基引发剂和表面活性剂存在下,在含有二氧化碳的聚合介质中聚合至少一种氟化单体以提供聚合物产物,其特征在于表面活性剂是功能性(全)氟聚醚, 其是包含重复单元(R1)和至少一个具有除了氟以外的杂原子的官能团的聚合物,所述重复单元在主链中具有至少一个醚键和至少一个氟原子(氟代聚氧亚烷基链)。