公开(公告)号：US20100311908A1

公开(公告)日：2010-12-09

申请号：US12745578

申请日：2008-03-27

申请人： Shiro Hirose ,  Hirotaka Mizuta ,  Nozomu Suzuki

发明人： Shiro Hirose ,  Hirotaka Mizuta ,  Nozomu Suzuki

IPC分类号： C08F8/00

CPC分类号： C08J3/243 ,  C08J2327/16 ,  C08K5/0025 ,  C08L27/16 ,  C08L2205/02 ,  F16J15/3284 ,  C08L2666/04

摘要： Object: To provide fluororubber compositions and crosslinked fluororubber products that are suitable for use as rotary shaft seals, in which each of the initial characteristics, i.e., torque reduction (reduced friction) and sealing properties attributed to reduced oil leakage (oil pump rate when the seal member slides), can be improved, and degradation of these characteristics can be inhibited even after frictional abrasion.Solution Means: A fluororubber composition obtained by blending a polyol crosslinking agent into a fluororubber polymer including 70 to 90 wt % of a polyol-crosslinkable fluororubber polymer (A) and 30 to 10 wt % of a peroxide-crosslinkable fluororubber polymer (B); and a fluororubber composition obtained by blending a polyol crosslinking agent and a peroxide crosslinking agent into a fluororubber polymer including 40 to 90 wt % of a polyol-crosslinkable fluororubber polymer (A) and 60 to 10 wt % of a peroxide-crosslinkable fluororubber polymer (B).

摘要翻译： 目的：提供适合用作旋转轴密封件的氟橡胶组合物和交联的氟橡胶产品，其中每种初始特性，即减少（减少的摩擦）和由于油泄漏减少引起的密封性能（油泵速率 密封构件滑动件），并且即使在摩擦磨损之后也可以抑制这些特性的劣化。 溶液装置：通过将多元醇交联剂混合到含有70〜90重量％的多元醇交联性氟橡胶聚合物（A）和30〜10重量％的过氧化物交联性氟橡胶聚合物（B）的氟橡胶聚合物中而获得的氟橡胶组合物; 和通过将多元醇交联剂和过氧化物交联剂混合到包含40〜90重量％的多元醇交联性氟橡胶聚合物（A）的氟橡胶聚合物和60〜10重量％的过氧化物交联性氟橡胶聚合物（ B）。

公开(公告)号：US20100056694A1

公开(公告)日：2010-03-04

申请号：US12525396

申请日：2008-01-31

申请人： Shiro Hirose ,  Hirotaka Mizuta ,  Nozomu Suzuki

发明人： Shiro Hirose ,  Hirotaka Mizuta ,  Nozomu Suzuki

IPC分类号： C08K3/34 ,  C08F214/18

CPC分类号： C09K3/1009 ,  C08K3/26 ,  C08K3/34 ,  C08K5/0025 ,  C08K5/053 ,  C08K5/13 ,  C08K5/50 ,  C08L27/12 ,  C08L2205/02 ,  C08L2666/04

摘要： Providing a crosslinked fluororubber for a rotational sliding sealing which can attain a reduction in torque (friction reduction) and is effective in diminishing oil leakage thereby improving initial properties concerning sealing properties (amount of oil pumping with sliding of sealing member) and which, even after friction and wear have occurred, can inhibit decrease of these properties and can improve conformability to eccentricity, and a method for producing the same.A crosslinked fluororubber for a rotational sliding sealing, wherein a fluororubber polymer composed of 95 to 50 wt % of a polyol-crosslinkable fluororubber polymer and 5 to 50 wt % of a liquid fluororubber polymer is obtained by crosslinking with polyol alone using a polyol crosslinking agent, and a method for producing the same.

摘要翻译： 提供用于旋转滑动密封的交联氟橡胶，其可以实现扭矩降低（摩擦减小），并且有效减少漏油，从而改善关于密封性能（密封构件滑动的抽油量）的初始性能，并且即使在 发生摩擦和磨损，可以抑制这些性能的降低并且可以提高偏心率的一致性及其制造方法。 一种用于旋转滑动密封的交联氟橡胶，其中由95至50重量％的多元醇交联的氟橡胶聚合物和5至50重量％的液体氟橡胶聚合物组成的氟橡胶聚合物通过使用多元醇交联剂与多元醇单独交联获得 ，及其制造方法。

公开(公告)号：US07435778B2

公开(公告)日：2008-10-14

申请号：US10594783

申请日：2005-06-20

申请人： Shiro Hirose

发明人： Shiro Hirose

IPC分类号： C08L37/00

CPC分类号： F16F1/3605 ,  C08K5/0025 ,  C08K5/17 ,  C08L23/0869 ,  C08L23/16 ,  C08L23/08 ,  C08L2666/06

摘要： An ethylene-alkyl acrylate copolymer rubber composition, which comprises 100 parts by weight of ethylene-alkyl acrylate copolymer rubber having an amine vulcanizable group, 0-60 parts by weight of EPDM, 5-40 parts by weight of a plasticizer, 0.5-4 parts by weight of an organic peroxide cross-linking agent, 0.5-4 parts by weight of an amine-based cross-linking agent, and preferably 0.1-0.5 parts by weight of a sulfur compound. Oil extended EPDM can be used in place of EPDM or EPDM and the plasticizer. Use of 1-30 parts by weight of α-olefin oligomer together with 5-50 parts by weight of EPDM can improve the processability (non-adhesion of product itself to a mold or prevention of bleed occurrence).

摘要翻译： 乙烯 - 丙烯酸烷基酯共聚物橡胶组合物，其包含100重量份具有胺可硫化基团的乙烯 - 丙烯酸烷基酯共聚物橡胶，0-60重量份EPDM，5-40重量份增塑剂，0.5-4 有机过氧化物交联剂重量份，胺类交联剂0.5-4重量份，硫化合物优选0.1-0.5重量份。 油扩展型EPDM可用于代替EPDM或EPDM及增塑剂。 使用1-30重量份的α-烯烃低聚物和5-50重量份的EPDM可以提高加工性（产品本身对模具的不粘附或防止出血发生）。

公开(公告)号：US07781508B2

公开(公告)日：2010-08-24

申请号：US11921911

申请日：2006-06-06

申请人： Eiji Komiya ,  Shiro Hirose

发明人： Eiji Komiya ,  Shiro Hirose

IPC分类号： C08K3/08 ,  C08K5/14 ,  C08K5/17

CPC分类号： C08L23/0869 ,  C08K5/14 ,  C08K5/18 ,  C08L23/02 ,  C08L23/16 ,  C08L23/18 ,  C08L2312/00 ,  H01F1/0558 ,  H01F1/0578 ,  H01F1/117 ,  Y10T428/32 ,  C08L2666/02 ,  C08L2666/06

摘要： A rubber composition, which comprises 100 parts by weight of an ethylene-alkyl acrylate copolymer rubber, 5-40 parts by weight of EPDM, 1-40 parts by weight of an α-olefin oligomer, 0.5-4 parts by weight of an organic peroxide cross-linking agent, 0.5-4 parts by weight of an amine-based vulcanizing agent, and 300-1,000 parts by weight of magnetic powder. The rubber composition is a rubber composition filled a magnetic powder at a high packing density, where an ethylene-alkyl acrylate copolymer rubber having amine vulcanizable groups as a binder, and effectively usable in rubber-bonded sensor magnets, etc., without any foaming at the time of vulcanization molding and with distinguished processabilities such as mold releasability, etc.

摘要翻译： 一种橡胶组合物，其包含100重量份的乙烯 - 丙烯酸烷基酯共聚物橡胶，5-40重量份的EPDM，1-40重量份的α-烯烃低聚物，0.5-4重量份的有机 过氧化物交联剂，0.5-4重量份胺类硫化剂和300-1,000重量份磁性粉末。 橡胶组合物是以高填充密度填充磁性粉末的橡胶组合物，其中具有胺硫化基团的乙烯 - 丙烯酸烷基酯共聚物橡胶作为粘合剂，并且可有效地用于橡胶粘合的传感器磁体等，而没有任何起泡 硫化成型时间和脱模性等突出的加工性。

公开(公告)号：US20110291365A1

公开(公告)日：2011-12-01

申请号：US12673068

申请日：2008-09-02

申请人： Shiro Hirose

发明人： Shiro Hirose

IPC分类号： F16J15/16 ,  B29C67/24

CPC分类号： C08K5/14 ,  C08K3/013 ,  C08L27/12 ,  C08L27/16 ,  C08L2205/02 ,  C09D175/16 ,  C09K3/1009 ,  C08L2666/04

摘要： [Problem] To provide a method for producing a rotary shaft seal that exhibits improved eccentricity-conforming properties, in which each of the initial characteristics, i.e., a torque reduction (reduced friction) and sealing properties attributed to reduced oil leakage (oil pump rate when the seal member slides), can be improved, and degradation of these characteristics can be inhibited even after friction and abrasion; and the rotary shaft seal.[Means for Solving the Problem] A method for producing a rotary shaft seal, including blending a peroxide crosslinking agent into a fluororubber polymer component including 95 to 40% by weight of a fluororubber terpolymer obtained by copolymerization with a perfluoroalkyl vinyl ether and 5 to 60% by weight of a liquid fluororubber polymer, to prepare a fluororubber composition, followed by crosslinking and molding the composition; and the rotary shaft seal.[Selected Figure] None

摘要翻译： 本发明提供一种旋转轴密封件的制造方法，该方法具有改善的偏心性一致性，其特征在于，其初始特性即减少（降低的摩擦）和由于油泄漏减少引起的密封性能 当密封构件滑动时），可以改善，即使在摩擦和磨损之后也可以抑制这些特性的劣化; 和旋转轴密封。 解决问题的手段一种旋转轴密封件的制造方法，其包括将过氧化物交联剂混合到含氟橡胶聚合物成分中，所述氟橡胶聚合物成分包含95〜40重量％的通过与全氟烷基乙烯基醚共聚获得的氟橡胶三元共聚物和5〜60 重量的液体氟橡胶聚合物，以制备氟橡胶组合物，然后交联和模塑该组合物; 和旋转轴密封。 [已选图]无

公开(公告)号：US20090121176A1

公开(公告)日：2009-05-14

申请号：US11921911

申请日：2006-06-06

申请人： Eiji Komiya ,  Shiro Hirose

发明人： Eiji Komiya ,  Shiro Hirose

IPC分类号： H01F1/26

CPC分类号： C08L23/0869 ,  C08K5/14 ,  C08K5/18 ,  C08L23/02 ,  C08L23/16 ,  C08L23/18 ,  C08L2312/00 ,  H01F1/0558 ,  H01F1/0578 ,  H01F1/117 ,  Y10T428/32 ,  C08L2666/02 ,  C08L2666/06

摘要： A rubber composition, which comprises 100 parts by weight of an ethylene-alkyl acrylate copolymer rubber, 5-40 parts by weight of EPDM, 1-40 parts by weight of an α-olefin oligomer, 0.5-4 parts by weight of an organic peroxide cross-linking agent, 0.5-4 parts by weight of an amine-based vulcanizing agent, and 300-1,000 parts by weight of magnetic powder. The rubber composition is a rubber composition filled a magnetic powder at a high packing density, where an ethylene-alkyl acrylate copolymer rubber having amine vulcanizable groups as a binder, and effectively usable in rubber-bonded sensor magnets, etc., without any foaming at the time of vulcanization molding and with distinguished processabilities such as mold releasability, etc.

摘要翻译： 一种橡胶组合物，其包含100重量份的乙烯 - 丙烯酸烷基酯共聚物橡胶，5-40重量份的EPDM，1-40重量份的α-烯烃低聚物，0.5-4重量份的有机 过氧化物交联剂，0.5-4重量份胺类硫化剂和300-1,000重量份磁性粉末。 橡胶组合物是以高填充密度填充磁性粉末的橡胶组合物，其中具有胺硫化基团的乙烯 - 丙烯酸烷基酯共聚物橡胶作为粘合剂，并且可有效地用于橡胶粘合的传感器磁体等，而没有任何起泡 硫化成型时间和脱模性等突出的加工性。

公开(公告)号：US20080058464A1

公开(公告)日：2008-03-06

申请号：US10594783

申请日：2005-06-20

申请人： Shiro Hirose

发明人： Shiro Hirose

IPC分类号： C08L33/08

CPC分类号： F16F1/3605 ,  C08K5/0025 ,  C08K5/17 ,  C08L23/0869 ,  C08L23/16 ,  C08L23/08 ,  C08L2666/06

摘要： An ethylene-alkyl acrylate copolymer rubber composition, which comprises 100 parts by weight of ethylene-alkyl acrylate copolymer rubber having an amine vulcanizable group, 0-60 parts by weight of EPDM, 5-40 parts by weight of a plsticizer, 0.5-4 parts by weight of an organic peroxide cross-linking agent, 0.5-4 parts by weight of an amine-based cross-linking agent, and preferably 0.1-0.5 parts by weight of a sulfur compound. Oil extended EPDM can be used in place of EPDM or EPDM and the plasticizer. Use of 1-30 parts by weight of α-olefin oligomer together with 5-50 parts by weight of EPDM can improve the processability (non-adhesion of product itself to a mold or prevention of bleed occurrence).

摘要翻译： 乙烯 - 丙烯酸烷基酯共聚物橡胶组合物，其包含100重量份具有胺可硫化基团的乙烯 - 丙烯酸烷基酯共聚物橡胶，0-60重量份EPDM，5-40重量份灭菌剂，0.5-4 有机过氧化物交联剂重量份，胺类交联剂0.5-4重量份，硫化合物优选0.1-0.5重量份。 油扩展型EPDM可用于代替EPDM或EPDM及增塑剂。 使用1-30重量份的α-烯烃低聚物和5-50重量份的EPDM可以提高加工性（产品本身对模具的不粘附或防止出血发生）。