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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：US07622608B2
公开(公告)日：2009-11-24
申请号：US12057556
申请日：2008-03-28
IPC分类号： C07C53/21
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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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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4.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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5.发明授权Aqueous polytetrafluoroethylene emulsion, polytetrafluoroethylene fine powder and porous material obtained therefrom 有权水性聚四氟乙烯乳液，聚四氟乙烯细粉和由其获得的多孔材料公开(公告)号：US07851573B2
公开(公告)日：2010-12-14
申请号：US12104680
申请日：2008-04-17
IPC分类号： C08F14/18
摘要： To provide an aqueous polytetrafluoroethylene (PTFE) emulsion which does not substantially contain ammonium perfluorooctanoate, and which is obtained by emulsion polymerization. Further, to provide a PTFE fine powder which is obtained from the aqueous PTFE emulsion and is excellent in a paste extrusion processability, and a porous material. An aqueous polytetrafluoroethylene emulsion obtained by carrying out emulsion polymerization of tetrafluoroethylene alone or together with another copolymerizable monomer in an aqueous medium, wherein a fluorinated emulsifier of the formula (1): CF2CF2(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 i, is used in an amount of from 1,500 to 20,000 ppm, based on the final yield of polytetrafluoroethylene.
摘要翻译： 提供基本上不含全氟辛酸铵的水性聚四氟乙烯（PTFE）乳液，其通过乳液聚合获得。 此外，提供由PTFE水性乳液得到的PTFE微细粉末，并且具有优异的糊料挤出加工性能和多孔材料。 通过在水性介质中单独或与其它可共聚单体一起进行四氟乙烯的乳液聚合而获得的聚四氟乙烯乳液，其中式（1）的氟化乳化剂：CF 2 CF 2（O）m CF 2 CF 2 OCF 2 COOA，其中X是氢原子或氟原子 基于聚四氟乙烯的最终产率，A为氢原子，碱金属或NH 4，m为0或i的整数，其用量为1,500至20,000ppm。
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6.发明申请FLUORORESIN HAVING LOW RESIDUAL AMOUNT OF FLUORINATED EMULSIFIER AND PROCESS FOR ITS PRODUCTION 审中-公开具有氟化物的低残留量的氟菊酯及其生产工艺公开(公告)号：US20080207859A1
公开(公告)日：2008-08-28
申请号：US12110494
申请日：2008-04-28
IPC分类号： C08F2/22
摘要： To provide a fluororesin which does not substantially contain perfluorooctanoic acid or its salt, and which has a low residual amount of a fluorinated emulsifier.A fluororesin which is obtained by emulsion-polymerizing a fluorinated monomer in an aqueous medium containing 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 from 0 or 1, and coagulating the obtained aqueous emulsion, followed by drying, wherein the residual amount of the fluorinated emulsifier of the formula (1) is at most 10 ppm.
摘要翻译： 提供基本上不含全氟辛酸或其盐，并且具有低残留量的氟化乳化剂的氟树脂。 通过在含有式（1）的含氟乳化剂的水性介质中将含氟单体乳化聚合得到的氟树脂：<？in-line-formula description =“In-line formula”end =“lead”→> XCF 2 O 2 CF 2（O）2 CF 2 C 2 O 2 CF 2 2 COOA <？in-line-formula description =“In-line Formulas”end =“tail”？>其中X是氢原子或氟原子，A是氢原子，碱金属或NH 并且m为0或1的整数，并使所得的水性乳液凝结，然后干燥，其中式（1）的含氟乳化剂的残留量为10ppm以下 。
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7.发明申请公开(公告)号：US20080200571A1
公开(公告)日：2008-08-21
申请号：US12104680
申请日：2008-04-17
摘要： To provide an aqueous polytetrafluoroethylene (PTFE) emulsion which does not substantially contain ammonium perfluorooctanoate, and which is obtained by emulsion polymerization. Further, to provide a PTFE fine powder which is obtained from the aqueous PTFE emulsion and is excellent in a paste extrusion processability, and a porous material.An aqueous polytetrafluoroethylene emulsion obtained by carrying out emulsion polymerization of tetrafluoroethylene alone or together with another copolymerizable monomer in an aqueous medium, wherein 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, is used in an amount of from 1,500 to 20,000 ppm, based on the final yield of polytetrafluoroethylene.
摘要翻译： 提供基本上不含全氟辛酸铵的水性聚四氟乙烯（PTFE）乳液，其通过乳液聚合获得。 此外，提供由PTFE水性乳液得到的PTFE微细粉末，并且具有优异的糊料挤出加工性能和多孔材料。 通过在水性介质中单独或与另一种可共聚单体一起进行四氟乙烯的乳液聚合而获得的聚四氟乙烯乳液，其中式（1）的氟化乳化剂：＆lt;线内公式描述=“在线式” end =“lead”？> XCF 2 CF 2（O）2 CF 2 CF 2 OCF 2 COOA <？in-line-formula description =“In-line Formulas”end =“tail”？>其中X是氢原子或氟原子，A是 基于聚四氟乙烯的最终产率，氢原子，碱金属或NH 4，m为0或1的整数，其用量为1,500至20,000ppm。
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8.发明授权公开(公告)号：US06822060B2
公开(公告)日：2004-11-23
申请号：US10072995
申请日：2002-02-12
申请人： Shigeki Kobayashi , Jun Hoshikawa , Kazuo Kato , Hiroki Kamiya , Hiroyuki Hirai
发明人： Shigeki Kobayashi , Jun Hoshikawa , Kazuo Kato , Hiroki Kamiya , Hiroyuki Hirai
IPC分类号： C08F21418
CPC分类号： C08F14/26 , Y10S526/915 , Y10S526/919 , C08F2/16
摘要： A process for producing a tetrafluoroethylene polymer, which comprises polymerizing tetrafluoroethylene in an aqueous medium in the presence of a dispersant, a stabilizer and a polymerization initiator, wherein the polymerization initiator is a redox polymerization initiator comprising a halogen acid salt YXO3/a sulfite Z2SO3 wherein X is a chlorine atom, a bromine atom or an iodine atom, Y is a hydrogen atom, ammonium, an alkali metal or an alkaline earth metal, and Z is ammonium, an alkali metal or an alkaline earth metal. By this process, it is possible to obtain a tetrafluoroethylene polymer which is suitable for a stretching operation after paste extrusion.
摘要翻译： 一种制备四氟乙烯聚合物的方法，其包括在分散剂，稳定剂和聚合引发剂存在下在水性介质中聚合四氟乙烯，其中聚合引发剂是包含卤酸盐YXO 3 /亚硫酸盐Z 2 SO 3的氧化还原聚合引发剂，其中 X是氯原子，溴原子或碘原子，Y是氢原子，铵，碱金属或碱土金属，Z是铵，碱金属或碱土金属。 通过该方法，可以获得适合于糊料挤出后的拉伸操作的四氟乙烯聚合物。
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9.发明授权公开(公告)号：US06803437B2
公开(公告)日：2004-10-12
申请号：US10314992
申请日：2002-12-10
申请人： Shigeki Kobayashi , Jun Hoshikawa , Kazuo Kato , Hiroki Kamiya , Hiroyuki Hirai
发明人： Shigeki Kobayashi , Jun Hoshikawa , Kazuo Kato , Hiroki Kamiya , Hiroyuki Hirai
IPC分类号： C08F11418
摘要： A process for producing a tetrafluoroethylene polymer, which comprises polymerizing tetrafluoroethylene in an aqueous medium in the presence of a water-soluble initiator, wherein the water used for the polymerization is regulated to have a TOC of 100 ppb or lower and/or an electrical conductivity of 1.0 &mgr;S/cm or lower. When this process for producing a tetrafluoroethylene polymer is employed, a decrease or fluctuation in the polymerization rate during the polymerization of tetrafluoroethylene will be minimal, and a deterioration in the physical properties of the obtained tetrafluoroethylene polymer will be minimal.
摘要翻译： 一种制备四氟乙烯聚合物的方法，其包括在水溶性引发剂存在下在水性介质中聚合四氟乙烯，其中用于聚合的水被调节为具有100ppb或更低的TOC和/或导电性 为1.0μS/ cm以下。 当采用四氟乙烯聚合物的制造方法时，四氟乙烯聚合时的聚合速度的降低或波动变小，所得到的四氟乙烯聚合物的物理性能下降最小。
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公开(公告)号：US06646078B2
公开(公告)日：2003-11-11
申请号：US10022426
申请日：2001-12-20
申请人： Shigeki Kobayashi , Jun Hoshikawa , Kazuo Kato , Hiroki Kamiya , Hiroyuki Hirai
发明人： Shigeki Kobayashi , Jun Hoshikawa , Kazuo Kato , Hiroki Kamiya , Hiroyuki Hirai
IPC分类号： C08F200
CPC分类号： C08F114/26 , C08F14/26 , C08F2/44
摘要： A method of producing a paraffin wax for aqueous dispersion polymerization of TFE which allows high speed aqueous dispersion polymerization of TFE with excellent polymerization behavior such as excellent dispersion stability and consistent production of PTFE having excellent physical properties, and a method of producing PTFE using the paraffin wax. Aqueous dispersion polymerization of tetrafluoroethylene (hereinafter referred to as TFE) is conducted in the presence of a paraffin wax, a polymerization initiator and an emulsifier at least once and then the paraffin wax is recovered. The recovered paraffin wax is used for aqueous dispersion polymerization of TFE in the presence of a polymerization initiator and an emulsifier.
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