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公开(公告)号：US20080182913A1
公开(公告)日：2008-07-31
申请号：US12057556
申请日：2008-03-28
摘要： A simple and efficient method for regenerating a basic anion-exchange resin, whereby at the time of removing a fluorinated emulsifier from a basic anion-exchange resin having the fluorinated emulsifier adsorbed thereon, it is unnecessary to provide a safety device/recovery technique necessary for handling an organic solvent by the use of a combustible organic solvent represented by an alcohol, and a burden imposed by e.g. treatment against COD load, is eliminated.A basic anion-exchange resin having a fluorinated emulsifier adsorbed thereon is contacted with an aqueous alkaline solution having a temperature of from 60 to 105° C. to elute the fluorinated emulsifier thereby to regenerate the basic anion-exchange resin.
摘要翻译： 一种用于再生碱性阴离子交换树脂的简单有效的方法，由此在从其上吸附有氟化乳化剂的碱性阴离子交换树脂除去含氟乳化剂时，不需要提供必要的安全装置/回收技术 通过使用由醇表示的可燃性有机溶剂处理有机溶剂，以及由例如， 消除了对COD负荷的处理。 将其上吸附有氟化乳化剂的碱性阴离子交换树脂与温度为60至105℃的碱性水溶液接触以洗脱氟化乳化剂，从而再生碱性阴离子交换树脂。
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公开(公告)号：US20060276574A1
公开(公告)日：2006-12-07
申请号：US11414400
申请日：2006-05-01
申请人： Jun Hoshikawa , Shinya Higuchi , Yasuhiko Matsuoka
发明人： Jun Hoshikawa , Shinya Higuchi , Yasuhiko Matsuoka
IPC分类号： C08K5/00
CPC分类号： C08F6/16 , C08F6/20 , C08J3/05 , C08J2327/18 , C08K5/09 , C08K5/19 , C08L27/18 , C08L71/02 , C09D127/18 , C08L2666/14
摘要： To obtain a high concentration aqueous PTFE dispersion containing PTFE at a concentration of from 60 to 75 mass % by dissolving from 0.001 to 0.1 mass %, based on the mass of PTFE, of a specific carboxylic acid salt such as ammonium laurate in a low concentration aqueous dispersion of polytetrafluoroethylene (PTFE) comprising from 1 to 40 mass % of PTFE fine particles, from 0.0001 to 0.02 mass %, based on the mass of PTFE, of a specific fluorine-containing carboxylic acid type emulsifier (for example, ammonium perfluorooctanoate), and from 1 to 20 mass %, based on the mass of PTFE, of a specific nonionic surfactant, and then concentrating the low concentration aqueous dispersion of PTFE. The present invention provides a process for producing a high concentration aqueous PTFE dispersion containing PTFE at a high concentration by using, as a starting material, a low concentration aqueous dispersion of PTFE containing a fluorine-containing carboxylic acid type emulsifier (PFCA) at a low concentration, and an aqueous PTFE dispersion obtained from the high concentration aqueous PTFE dispersion.
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3.发明授权Process for producing aqueous fluorinated polymer dispersion having reduced content of fluorinated emulsifier 有权制备氟化乳化剂含量降低的氟化聚合物水分散体的方法公开(公告)号：US07834137B2
公开(公告)日：2010-11-16
申请号：US12434075
申请日：2009-05-01
摘要： Provided is a process for producing an aqueous fluorinated polymer dispersion having a reduced content of a fluorinated emulsifier by using a weakly basic anion-exchange resin to adsorb and remove a fluorinated emulsifier with excellent efficiency from an aqueous fluorinated polymer dispersion. Also provided is a process for producing an aqueous fluorinated polymer dispersion having a reduced content of a fluorinated emulsifier, wherein the process includes: adding an organic carboxylic acid represented by the following formula (1): Q(CH2)m(CH(OH))nCOOH (1) wherein Q is H, CH3 or COOH, m and n each independently represent 0 or an integer of from 1 to 4, and 4≧n+m≧1, to an aqueous fluorinated polymer dispersion containing a fluorinated emulsifier; and then contacting with a weakly basic anion-exchange resin to adsorb and remove the fluorinated emulsifier.
摘要翻译： 本发明提供一种通过使用弱碱性阴离子交换树脂从氟化聚合物水分散体水溶液中以高效率吸附除去含氟乳化剂的含氟乳化剂含量降低的含氟聚合物水分散体的制造方法。 还提供了一种具有降低的含氟乳化剂含量的含氟聚合物水分散体的制备方法，其中所述方法包括：加入由下式（1）表示的有机羧酸：Q（CH 2）m（CH（OH） ）nCOOH（1）其中Q为H，CH 3或COOH，m和n各自独立地表示0或1〜4的整数，4≥n+m≥1，含氟聚合物分散体含氟化乳化剂; 然后与弱碱性阴离子交换树脂接触以吸附和除去含氟乳化剂。
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公开(公告)号：US07709566B2
公开(公告)日：2010-05-04
申请号：US12106515
申请日：2008-04-21
CPC分类号： B01F17/0035 , B01F17/0085 , C08F14/26 , C08K5/095 , C08L27/18 , C08L71/02 , C08F2/20 , C08F2/16 , C08L2666/22
摘要： To provide a polytetrafluoroethylene (PTFE) aqueous dispersion, which does not substantially contain ammonium perfluorooctanoate and is excellent in mechanical stability, wettability, permeability and coating property, and its product.A PTFE aqueous dispersion comprising from 15 to 70 mass % of PTFE fine particles having an average particle size of from 0.1 to 0.5 μm, from 1×10−5 to 0.5 mass %, based on the mass of the PTFE, of a fluorinated emulsifier of the formula (1): XCF2CF2(O)mCF2CF2OCF2COOA, wherein X is a hydrogen atom or a fluorine atom, A is a hydrogen atom, an alkali metal or NH4 and m is an integer of 0 or 1, and from 1 to 20 mass %, based on the mass of the PTFE, of a nonionic surfactant.
摘要翻译： 提供基本上不含全氟辛酸铵并且机械稳定性，润湿性，渗透性和涂布性优异的聚四氟乙烯（PTFE）水性分散体及其制品。 一种PTFE水性分散体，其特征在于，含有15〜70质量％的PTFE微粒，平均粒径为0.1〜0.5μm，以质量计为1×10-5〜0.5质量％的氟化乳化剂 式（1）表示的化合物：XCF 2 CF 2（O）m CF 2 CF 2 OCF 2 COOA，其中X为氢原子或氟原子，A为氢原子，碱金属或NH 4，m为0或1的整数和1至20 基于PTFE的质量的非离子表面活性剂的质量％。
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公开(公告)号：US07671123B2
公开(公告)日：2010-03-02
申请号：US11776848
申请日：2007-07-12
CPC分类号： C08L27/12 , C08L27/18 , C08L71/02 , C08L2666/14 , C08L2666/22
摘要： A fluororesin aqueous dispersion comprising from 20 to 70 mass % of microparticles of a fluororesin and from 1 to 12 mass %, based on the mass of the fluororesin, of a non-ionic surfactant represented by the formula (1): R1—O-A-X (1) wherein R1 is a C6-18 alkyl group, O is an oxygen atom, A is a polyoxyalkylene group comprising from 1 to 3 oxybutylene groups and from 5 to 20 oxyethylene groups, and X is a hydrogen atom or a methyl group.
摘要翻译： 一种氟树脂水分散体，其包含20至70质量％的氟树脂微粒和1至12质量％，基于所述氟树脂的质量，由式（1）表示的非离子表面活性剂：R1-OAX（ 1）其中R 1为C 6-18烷基，O为氧原子，A为包含1至3个氧基亚丁基和5至20个氧乙烯基的聚氧化烯基，X为氢原子或甲基。
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6.发明申请PROCESS FOR PRODUCING AQUEOUS FLUORINATED POLYMER DISPERSION HAVING REDUCED CONTENT OF FLUORINATED EMULSIFIER 有权生产具有降低氟化乳化剂含量的水性氟化聚合物分散体的方法公开(公告)号：US20090221726A1
公开(公告)日：2009-09-03
申请号：US12434075
申请日：2009-05-01
IPC分类号： B01J41/12
摘要： The present invention provides a process for producing an aqueous fluorinated polymer dispersion having a reduced content of a fluorinated emulsifier by using a weakly basic anion-exchange resin to let it adsorb and remove a fluorinated emulsifier with excellent efficiency from an aqueous fluorinated polymer dispersion.A process for producing an aqueous fluorinated polymer dispersion having a reduced content of a fluorinated emulsifier, which comprises adding an organic carboxylic acid represented by the following formula (1) Q(CH2)m(CH(OH))nCOOH (1) (wherein Q is H, CH3 or COOH, each of m and n which are independent of each other, is 0 or an integer of from 1 to 4, and 4≧n+m≧1.) to an aqueous fluorinated polymer dispersion containing a fluorinated emulsifier, followed by contact with a weakly basic anion-exchange resin to adsorb and remove the fluorinated emulsifier.
摘要翻译： 本发明提供一种通过使用弱碱性阴离子交换树脂使氟化乳化剂含量降低的含氟聚合物水分散体的制造方法，从氟化聚合物水分散体水溶液中以优异的效率吸附除去含氟乳化剂。 一种含氟化乳化剂含量降低的含氟聚合物水分散体的制造方法，其特征在于，添加下述式（1）表示的有机羧酸<？在线式说明=“在线式”末端= “引线”→Q（CH 2）m（CH（OH））n COOH（1）<βin-line-formula description =“In-line Formulas”end =“tail”？>（其中Q是H， COOH，彼此独立的m和n各自为0或1〜4的整数，4> = n + m> = 1）的含氟聚合物分散液，其后为 与弱碱性阴离子交换树脂接触以吸附和除去含氟乳化剂。
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公开(公告)号：US20070043164A1
公开(公告)日：2007-02-22
申请号：US11282624
申请日：2005-11-21
申请人： Jun Hoshikawa , Shinya Higuchi , Yasuhiko Matsuoka
发明人： Jun Hoshikawa , Shinya Higuchi , Yasuhiko Matsuoka
IPC分类号： D06M15/277
摘要： A process for producing an aqueous dispersion of purified polytetrafluoroethylene (PTFE), comprising passing a crude aqueous dispersion of PTFE comprising from 10 to 50 mass % of PTFE fine particles having an average particle diameter of from 0.1 to 0.5 μm, from 0.05 to 1.0 mass %, based on PTFE, of a fluorine-containing carboxylic acid salt (APFO) and from 2 to 20 mass %, based on PTFE, of a nonionic surfactant through a column packed with a weak basic AER upward at a linear velocity of 0.1 to 2 mm/sec with a contact time of 0.2 to 4 hours to reduce the APFO concentration. The process can increase the absorption of APFO by the anion exchange resin, prevents agglomeration of PTFE during passage and makes it easy to elute the absorbed APFO.
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8.发明授权公开(公告)号：US07514484B2
公开(公告)日：2009-04-07
申请号：US11414400
申请日：2006-05-01
申请人： Jun Hoshikawa , Shinya Higuchi , Yasuhiko Matsuoka
发明人： Jun Hoshikawa , Shinya Higuchi , Yasuhiko Matsuoka
IPC分类号： C08F1/00
CPC分类号： C08F6/16 , C08F6/20 , C08J3/05 , C08J2327/18 , C08K5/09 , C08K5/19 , C08L27/18 , C08L71/02 , C09D127/18 , C08L2666/14
摘要： To obtain a high concentration aqueous PTFE dispersion containing PTFE at a concentration of from 60 to 75 mass % by dissolving from 0.001 to 0.1 mass %, based on the mass of PTFE, of a specific carboxylic acid salt such as ammonium laurate in a low concentration aqueous dispersion of polytetrafluoroethylene (PTFE) comprising from 1 to 40 mass % of PTFE fine particles, from 0.0001 to 0.02 mass %, based on the mass of PTFE, of a specific fluorine-containing carboxylic acid type emulsifier (for example, ammonium perfluorooctanoate), and from 1 to 20 mass %, based on the mass of PTFE, of a specific nonionic surfactant, and then concentrating the low concentration aqueous dispersion of PTFE. The present invention provides a process for producing a high concentration aqueous PTFE dispersion containing PTFE at a high concentration by using, as a starting material, a low concentration aqueous dispersion of PTFE containing a fluorine-containing carboxylic acid type emulsifier (PFCA) at a low concentration, and an aqueous PTFE dispersion obtained from the high concentration aqueous PTFE dispersion.
摘要翻译： 为了得到浓度为60〜75质量％的PTFE的高浓度PTFE分散液，以PTFE为基准，以0.001〜0.1质量％的比例溶解低浓度的月桂酸铵等特定的羧酸盐 含有1〜40质量％的PTFE细颗粒的聚四氟乙烯（PTFE）水分散体，相对于PTFE的质量为0.0001〜0.02质量％的特定的含氟羧酸型乳化剂（例如全氟辛酸铵） ，基于PTFE的质量为1〜20质量％的特定非离子表面活性剂，然后浓缩PTFE的低浓度水性分散体。 本发明提供以低浓度使用含有含氟羧酸型乳化剂（PFCA）的PTFE的低浓度水性分散体作为起始原料，制造含有高浓度PTFE的高浓度PTFE分散液的方法。 浓度，以及由高浓度PTFE水性分散液得到的PTFE分散液。
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9.发明授权公开(公告)号：US07514483B2
公开(公告)日：2009-04-07
申请号：US11282625
申请日：2005-11-21
申请人： Jun Hoshikawa , Shinya Higuchi , Yasuhiko Matsuoka
发明人： Jun Hoshikawa , Shinya Higuchi , Yasuhiko Matsuoka
IPC分类号： C08F1/00
摘要： An aqueous dispersion of polytetrafluoroethylene (PTFE) comprising from 55 to 70 mass % of PTFE fine particles having an average particle diameter of from 0.1 to 0.5 μm, from 0.0001 to 0.02 mass %, based on PTFE, of a specific C8 fluorine-containing carboxylic acid salt (APFO) such as ammonium perfluorooctanoate, from 1 to 20 mass %, based on PTFE, of a specific nonionic surfactant and from 0.01 to 0.3 mass %, based on PTFE, of a specific C5-7 fluorine-containing carboxylic acid salt such as ammonium perfluorohexanoate. The aqueous dispersion of PTFE has excellent properties which can form crack-resistant coatings which do not undergo coloration during baking or form problematic ionic impurities by improving the friction stability of aqueous PTFE dispersions even at APFO concentrations without viscosity increase.
摘要翻译： 聚四氟乙烯（PTFE）的水分散体，其特征在于，含有55〜70质量％的平均粒径为0.1〜0.5μm，PTFE为0.0001〜0.02质量％的特定的C8含氟羧酸的PTFE微粒 酸性盐（APFO）如全氟辛酸铵，1至20质量％，基于PTFE，特定的非离子表面活性剂，0.01至0.3质量％，基于PTFE，特定的C5-7含氟羧酸盐 如全氟己酸铵。 PTFE的水性分散体具有优异的性能，其可以形成在烘烤过程中不会着色或形成有问题的离子杂质的抗裂性涂层，即使在APFO浓度下也不改变粘度增加的水性PTFE分散体的摩擦稳定性。
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公开(公告)号：US20080214714A1
公开(公告)日：2008-09-04
申请号：US12106515
申请日：2008-04-21
CPC分类号： B01F17/0035 , B01F17/0085 , C08F14/26 , C08K5/095 , C08L27/18 , C08L71/02 , C08F2/20 , C08F2/16 , C08L2666/22
摘要： To provide a polytetrafluoroethylene (PTFE) aqueous dispersion, which does not substantially contain ammonium perfluorooctanoate and is excellent in mechanical stability, wettability, permeability and coating property, and its product.A PTFE aqueous dispersion comprising from 15 to 70 mass % of PTFE fine particles having an average particle size of from 0.1 to 0.5 μm, from 1×10−5 to 0.5 mass %, based on the mass of the PTFE, of a fluorinated emulsifier of the formula (1): XCF2CF2(O)mCF2CF2OCF2COOA, wherein X is a hydrogen atom or a fluorine atom, A is a hydrogen atom, an alkali metal or NH4 and m is an integer of 0 or 1, and from 1 to 20 mass %, based on the mass of the PTFE, of a nonionic surfactant.
摘要翻译： 提供基本上不含全氟辛酸铵并且机械稳定性，润湿性，渗透性和涂布性优异的聚四氟乙烯（PTFE）水性分散体及其制品。 一种PTFE水性分散体，其特征在于，含有15〜70质量％的平均粒径为0.1〜0.5μm的PTFE微粒，1×10 -5〜0.5质量％ 的式（1）的氟化乳化剂：XCF 2 CF 2（O）m CF 2 CF 2 COF 2 COOA，其中X是氢原子或氟原子，A是氢原子，碱金属或NH 4， m为0或1的整数，基于PTFE的质量为1〜20质量％的非离子表面活性剂。
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