Fluororubber copolymer and curable composition thereof
    1.
    发明授权
    Fluororubber copolymer and curable composition thereof 失效
    氟橡胶共聚物及其可固化组合物

    公开(公告)号:US5717036A

    公开(公告)日:1998-02-10

    申请号:US687491

    申请日:1996-10-07

    摘要: A copolymer comprising 0.005 to 1.5 mole % of repeating units derived from an iodine-containing fluorinated vinyl ether, 40 to 90 mole % of repeating units derived from vinylidene fluoride, 3 to 35 mole % of repeating units derived from perfluoro(methyl vinyl ether), optionally up to 25 mole % of repeating units derived from hexafluoropropylene and optionally up to 40 mole % of repeating units derived from tetrafluoroethylene, which is obtained by polymerizing the above monomers in the presence of a diiodide compound, contains iodine atoms introduced in the copolymer from the diiodide compound and the iodine-containing fluorinated vinyl ether in amounts of 0.01 to 1 wt. % and 0.01 to 2 wt. %, respectively, and has a Mooney viscosity of 20 to 150.

    摘要翻译: PCT No.PCT / JP95 / 02497 Sec。 371日期1996年10月7日第 102(e)日期1996年10月7日PCT提交1995年12月6日PCT公布。 第WO96 / 17877号公报 日期:1996年6月13日共包含0.005〜1.5摩尔%的衍生自含碘氟化乙烯基醚的重复单元,40〜90摩尔%来源于偏二氟乙烯的重复单元,3〜35摩尔%来自全氟 (甲基乙烯基醚),任意多达25摩尔%的衍生自六氟丙烯的重复单元和任意多至40摩尔%的衍生自四氟乙烯的重复单元,其通过在二碘化物化合物的存在下聚合上述单体而获得,含有碘 从二碘化合物和含碘氟化乙烯基醚引入共聚物中的原子数为0.01〜1重量% %和0.01〜2wt。 %,门尼粘度为20〜150。

    Process for preparing fluorine-containing polymer
    2.
    发明授权
    Process for preparing fluorine-containing polymer 有权
    含氟聚合物的制备方法

    公开(公告)号:US06509429B1

    公开(公告)日:2003-01-21

    申请号:US09743188

    申请日:2001-01-05

    IPC分类号: C08F1418

    摘要: A process for preparing a fluorine-containing polymer through emulsion polymerization method which enhances productivity while maintaining excellent physical properties of the fluorine-containing polymer and comprises (a) a first polymerization step for emulsion-polymerizing a fluorine-containing monomer or a mixture of a fluorine-containing monomer and a non-fluorine-containing monomer in an aqueous medium in the presence of a radical polymerization initiator and an emulsifying agent, (b) a dilution step for diluting the obtained aqueous emulsion of polymer particles with water to reduce the number of emulsified polymer particles per unit amount of aqueous medium in the emulsion and a concentration of emulsifying agent, and (c) a second polymerization step for emulsion-polymerizing a fluorine-containing monomer and/or a non-fluorine-containing monomer in the obtained diluted emulsified solution.

    摘要翻译: 一种通过乳液聚合方法制备含氟聚合物的方法,其提高生产率同时保持含氟聚合物的优异物理性能,并且包括(a)第一聚合步骤,用于将含氟单体或 在自由基聚合引发剂和乳化剂的存在下,在水性介质中含氟单体和非含氟单体,(b)稀释步骤,用水稀释所得聚合物颗粒的水乳液以减少数量 乳液中的乳化聚合物粒子和乳化剂的浓度的乳化聚合物粒子,和(c)在所得到的乳液聚合物粒子中使含氟单体和/或非含氟单体乳化聚合的第二聚合步骤 稀释乳化液。

    Method for producing fluorine-containing elastomer
    3.
    发明授权
    Method for producing fluorine-containing elastomer 有权
    含氟弹性体的制造方法

    公开(公告)号:US08598290B2

    公开(公告)日:2013-12-03

    申请号:US12307022

    申请日:2007-06-29

    IPC分类号: C08F14/18

    CPC分类号: C08F214/18 C08F14/18 C08F2/22

    摘要: The present invention provides a method of producing a fluoroelastomer excellent in dispersion stability at low cost, at a high rate of polymerization and in high yields. The present invention is a method of producing a fluoroelastomer comprising an emulsion polymerization of a fluorinated monomer in the presence of a water-soluble radical polymerization initiator, wherein the emulsion polymerization is carried out in the presence of a compound (1) containing a functional group reactive in radical polymerization and a hydrophilic group and a fluorinated compound (2) containing a fluorocarbon group comprising 1 to 6 continuously united carbon atom with fluorine atom directly bound to each of them as well as a hydrophilic group.

    摘要翻译: 本发明提供以低成本,高聚合速率和高产率制备分散稳定性优异的含氟弹性体的方法。 本发明是一种在水溶性自由基聚合引发剂的存在下包含含氟单体的乳液聚合的含氟弹性体的方法,其中乳液聚合在含有官能团的化合物(1)的存在下进行, 自由基聚合反应性和亲水性基团以及含有含有1〜6个连续碳原子的碳氟化合物的含氟化合物(2)和与其各自直接键合的氟原子以及亲水基团。

    METHOD FOR PRODUCING FLUORINE-CONTAINING ELASTOMER
    4.
    发明申请
    METHOD FOR PRODUCING FLUORINE-CONTAINING ELASTOMER 有权
    生产含荧光弹性体的方法

    公开(公告)号:US20090234086A1

    公开(公告)日:2009-09-17

    申请号:US12307022

    申请日:2007-06-29

    IPC分类号: C08F16/24 C08F18/20

    CPC分类号: C08F214/18 C08F14/18 C08F2/22

    摘要: The present invention provides a method of producing a fluoroelastomer excellent in dispersion stability at low cost, at a high rate of polymerization and in high yields.The present invention is a method of producing a fluoroelastomer comprising an emulsion polymerization of a fluorinated monomer in the presence of a water-soluble radical polymerization initiator, wherein the emulsion polymerization is carried out in the presence of a compound (1) containing a functional group reactive in radical polymerization and a hydrophilic group and a fluorinated compound (2) containing a fluorocarbon group comprising 1 to 6 continuously united carbon atom with fluorine atom directly bound to each of them as well as a hydrophilic group.

    摘要翻译: 本发明提供以低成本,高聚合速率和高产率制备分散稳定性优异的含氟弹性体的方法。 本发明是一种在水溶性自由基聚合引发剂的存在下包含含氟单体的乳液聚合的含氟弹性体的方法,其中乳液聚合在含有官能团的化合物(1)的存在下进行, 自由基聚合反应性和亲水性基团以及含有含有1〜6个连续碳原子的碳氟化合物的含氟化合物(2)和与其各自直接键合的氟原子以及亲水基团。

    Fluorine-containing elastic copolymers, curable composition containing
the same and sealant made therefrom
    5.
    发明授权
    Fluorine-containing elastic copolymers, curable composition containing the same and sealant made therefrom 失效
    含氟弹性共聚物,含有它们的可固化组合物和由其制成的密封剂

    公开(公告)号:US6140437A

    公开(公告)日:2000-10-31

    申请号:US91736

    申请日:1998-06-24

    CPC分类号: C08F214/262

    摘要: A fluorine-containing elastomeric copolymer comprising 55 to 62 mole % of repeating units derived from tetrafluoroethylene and 38 to 45 mole % of repeating units derived from perfluoro(methyl vinyl ether) which is obtained by radically polymerizing the monomers in the presence of a diiodide compound of the formula: RI.sub.2 in which R is a saturated fluorohydrocarbon or chlorofluorohydrocarbon group having 1 to 16 carbon atoms, or a hydrocarbon group having 1 to 3 carbon atoms and which has a Mooney viscosity (ML.sub.1+10 100.degree. C.) in the range between 20 and 150. This copolymer has an excellent compression set at high temperature, which is an important property for sealing members.

    摘要翻译: PCT No.PCT / JP96 / 03732 Sec。 371日期:1998年6月24日 102(e)1998年6月24日PCT 1996年12月20日PCT PCT。 公开号WO97 / 24381 日期1997年7月10日一种含有55〜62摩尔%的衍生自四氟乙烯的重复单元和38〜45摩尔%的全氟(甲基乙烯基醚)衍生的重复单元的含氟弹性体共聚物,其通过使单体在 存在下式的二碘化物化合物:其中R是具有1至16个碳原子的饱和氟代烃或氯氟烃基或具有1至3个碳原子的烃基,并且具有门尼粘度(ML1 + 10100℃) )在20和150之间的范围内。该共聚物在高温下具有优异的压缩永久变形,这是密封构件的重要性质。

    Process for preparing fluorine-containing polymer
    6.
    发明授权
    Process for preparing fluorine-containing polymer 有权
    含氟聚合物的制备方法

    公开(公告)号:US08580896B2

    公开(公告)日:2013-11-12

    申请号:US12300252

    申请日:2007-05-09

    摘要: A process for preparing a fluorine-containing polymer which includes a first step for preparing a dispersion of fluorine-containing emulsified particles (A) having ionic functional groups where a fluorine-containing monomer mixture (i) is polymerized by using a water soluble radical polymerization initiator (a) without addition of an emulsifying agent, and a second step for preparing a fluorine-containing polymer (b) having a small amount of ionic functional groups where fluorine-containing monomers (ii) are emulsion-polymerized by using a radical polymerization initiator (b) in the presence of the fluorine-containing emulsified particles (A) having ionic functional groups without addition of an emulsifying agent.

    摘要翻译: 一种制备含氟聚合物的方法,其包括用于制备具有离子官能团的含氟乳化颗粒(A)的分散体的第一步骤,其中含氟单体混合物(i)通过使用水溶性自由基聚合 不加乳化剂的引发剂(a),以及通过使用自由基聚合将含氟单体(ⅱ)进行乳液聚合的具有少量离子性官能团的含氟聚合物(b)的制备的第二工序 在具有离子官能团的含氟乳化颗粒(A)的存在下,不添加乳化剂的引发剂(b)。

    Molding material
    7.
    发明授权
    Molding material 有权
    成型材料

    公开(公告)号:US06635717B1

    公开(公告)日:2003-10-21

    申请号:US09530515

    申请日:2000-07-05

    IPC分类号: C08F25900

    CPC分类号: C08F293/00 C09K3/1009

    摘要: According to the present invention, it is possible to provide a molding material, for example, a sealing material for semiconductor-related production apparatuses which comprises a fluorine-containing multi-segment polymer being excellent in mechanical properties (particularly at high temperature), abrasion resistance and transparency and ensuring reduced contamination and reduced gas permeation while maintaining inherent characteristics of a fluorine-containing elastomer such as flexibility, elasticity, sealing property, chemical resistance and heat resistance. A molding material comprising a fluorine-containing multi-segment polymer having an elastomeric fluorine-containing polymer chain segment and a non-elastomeric fluorine-containing polymer chain segment, in which the elastomeric fluorine-containing polymer chain segment imparts flexibility to the whole polymer and has perhaloolefin units as a recurring unit in an amount of not less than 95% by mole.

    摘要翻译: 根据本发明,可以提供一种成型材料,例如,用于半导体相关生产设备的密封材料,其包括机械性能(特别是在高温下)具有优异的含氟多段聚合物,耐磨性 电阻和透明度,并且确保减少污染和降低气体渗透,同时保持含氟弹性体的固有特性,例如柔性,弹性,密封性,耐化学性和耐热性。 一种包含具有弹性体含氟聚合物链段和非弹性含氟聚合物链段的含氟多段聚合物的模塑材料,其中弹性体含氟聚合物链段赋予整个聚合物柔性, 具有不低于95摩尔%的重复单元的全卤代烯烃单元。

    Method for producing a fluoroelastomer
    8.
    发明授权
    Method for producing a fluoroelastomer 有权
    氟弹性体的制造方法

    公开(公告)号:US09273172B2

    公开(公告)日:2016-03-01

    申请号:US12168454

    申请日:2008-07-07

    IPC分类号: C08F214/22 C08F2/26 C08F2/44

    CPC分类号: C08F214/22 C08F2/26

    摘要: The present invention provides a method for producing a fluoroelastomer using an emulsifier which is inexpensive and hardly remains in product polymers. The present invention is related to a method for producing a fluoroelastomer, wherein vinylidene fluoride and at least one fluoroolefin monomer other than vinylidene fluoride are copolymerized in the manner of an emulsion polymerization in the presence of an emulsifier represented by C5F11COOM, wherein M represents H, NH4 or an alkali metal.

    摘要翻译: 本发明提供使用廉价且几乎不残留在产品聚合物中的乳化剂制备含氟弹性体的方法。 本发明涉及一种含氟弹性体的制造方法,其中在由C5F11COOM表示的乳化剂的存在下,以偏二氟乙烯为单位,将聚偏二氟乙烯和至少一种氟烯烃单体以乳液聚合的方式共聚,其中M表示H, NH4或碱金属。

    PROCESS FOR PREPARING FLUORINE-CONTAINING POLYMER
    9.
    发明申请
    PROCESS FOR PREPARING FLUORINE-CONTAINING POLYMER 有权
    制备含氟聚合物的方法

    公开(公告)号:US20090215980A1

    公开(公告)日:2009-08-27

    申请号:US12300252

    申请日:2007-05-09

    IPC分类号: C08G61/12

    摘要: The fluorine-containing polymer having a small number of ionic functional groups is prepared by a process, in which emulsion polymerization proceeds stably and produced polymer does not adhere to side walls of a polymerization reactor even without using an emulsifying agent, and the process comprises a first step for preparing a dispersion comprising fluorine-containing emulsified particles having ionic functional groups by polymerizing a fluorine-containing monomer mixture comprising a perhalo ethylenic monomer and a nonperhalo ethylenic monomer by using a water soluble radical polymerization initiator without adding an emulsifying agent, and a second step for preparing a fluorine-containing polymer having ionic functional groups in a small amount by emulsion polymerization of fluorine-containing monomers using a radical polymerization initiator in the presence of the fluorine-containing emulsified particles having ionic functional groups without adding an emulsifying agent, wherein the fluorine-containing emulsified particles having ionic functional groups prepared in the first step are used in an amount of from 0.01 to 5.0% by mass based on the fluorine-containing polymer to be obtained in the second step, and an amount of the water soluble radical polymerization initiator used in the first step is from 0.01 to 1,000% by mass based on the fluorine-containing emulsified particles having ionic functional groups prepared in the first step.

    摘要翻译: 具有少量离子官能团的含氟聚合物通过乳液聚合稳定进行并且生产的聚合物即使不使用乳化剂也不粘附到聚合反应器的侧壁的方法制备,并且该方法包括 通过在不添加乳化剂的情况下使用水溶性自由基聚合引发剂使包含全卤乙烯性单体和非卤代乙烯性单体的含氟单体混合物聚合,制备包含具有离子性官能团的含氟乳化颗粒的分散体的第一步骤, 在不添加乳化剂的情况下,在具有离子性官能团的含氟乳化粒子的存在下,使用自由基聚合引发剂使含氟单体进行乳液聚合,制备少量具有离子性官能团的含氟聚合物的第二工序, 其中t 相对于第二工序中得到的含氟聚合物,第一工序中制备的具有离子性官能团的含氟乳化粒子的使用量为0.01〜5.0质量%,水溶性 基于在第一步骤中制备的具有离子性官能团的含氟乳化颗粒,第一步中使用的自由基聚合引发剂为0.01〜1000质量%。

    Method of reducing metal content in fluoroelastomer
    10.
    发明授权
    Method of reducing metal content in fluoroelastomer 有权
    降低含氟弹性体中金属含量的方法

    公开(公告)号:US06703461B1

    公开(公告)日:2004-03-09

    申请号:US09646969

    申请日:2000-09-25

    IPC分类号: C08F11418

    摘要: To provide a method of reducing contents of metal components of a fluorine-containing elastomer through preparation thereof and a molded article obtained from the fluorine-containing elastomer having sufficiently reduced contents of metal components. The method of reducing a metal content of the fluorine-containing elastomer through preparation thereof without using a metal oxide, in which among materials excluding a gaseous monomer which are used for polymerization of a fluorine-containing monomer, coagulation and drying, at least one of them contains substantially no metal component, and the fluorine-containing elastomer which has a metal content of not more than 50 ppm and is obtained by that method.

    摘要翻译: 提供通过其制备减少含氟弹性体的金属成分含量的方法和由具有足够降低的金属成分含量的含氟弹性体得到的成型体。 通过其制备而不使用金属氧化物来降低含氟弹性体的金属含量的方法,其中除了用于含氟单体聚合的气态单体的物质,凝结和干燥之外的材料中,至少一种 它们基本上不含有金属成分,并且含有金属含量不超过50ppm并通过该方法获得的含氟弹性体。