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    • 2. 发明专利
    • Crosslinkable fluororubber composition
    • 可交联氟橡胶组合物
    • JP2010059311A
    • 2010-03-18
    • JP2008226439
    • 2008-09-03
    • Daikin Ind Ltdダイキン工業株式会社
    • TAKEMURA KOHEIMASUDA EIJI
    • C08L27/16C08K5/053C08K5/14C08L33/16
    • PROBLEM TO BE SOLVED: To provide a molded article which can secure sufficient low friction and non-tackiness for a long period and excels in sealability.
      SOLUTION: A crosslinkable fluororubber composition includes (A) a fluororubber, (B) a fluorine-containing polymer including a constitutional unit derived from a fluorine-containing acrylate compound represented by the formula: CH
      2 =CX-COO-(CH
      2 )
      a -Y-(CH
      2 )
      b -Rf [wherein X is hydrogen, fluorine, chlorine, bromine, iodine, a methyl group, a CFX
      1 X
      2 group, a cyano group, a 2-21C fluoroalkyl group, a benzyl group or a phenyl group; Y is an aliphatic hydrocarbon group, an aromatic group, an aromatic ether group, a cyclic aliphatic group, a cyclic aliphatic ether group, sulfur, an SO group, an SO
      2 group or an -N(R)-SO
      2 - group (wherein R is hydrogen or an alkyl group); (a) is an integer of 0-4; b is an integer of 0-4; and Rf is a fluoroalkyl group or a fluoroalkenyl group], and (C) a crosslinking agent.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:提供一种长时间确保足够的低摩擦和非粘性并且密封性优异的模制品。 解决方案:可交联氟橡胶组合物包含(A)氟橡胶,(B)含有由下式表示的含氟丙烯酸酯化合物的结构单元的含氟聚合物: = CX-COO-(CH 2 -Y-(CH 2 )SB X是氢,氟,氯,溴,碘,甲基,CFX基团,氰基,2-21C氟代烷基,苄基 基或苯基; Y是脂肪族烃基,芳香族基团,芳香族醚基团,环状脂肪族基团,环状脂肪族醚基团,硫,SO基团,SO 2 SB 2基团或-N(R )-SO 2 - (其中R是氢或烷基); (a)为0-4的整数; b为0-4的整数; Rf为氟代烷基或氟烯基],(C)交联剂。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Member for automobile valve
    • 汽车阀门会员
    • JP2011185355A
    • 2011-09-22
    • JP2010051028
    • 2010-03-08
    • Daikin Industries LtdHonda Motor Co Ltdダイキン工業株式会社本田技研工業株式会社
    • OGISHI HIDETAKAMIZONE TETSUYATAKEMURA KOHEIYANAGIGUCHI TOMIHIKO
    • F16K1/42C08L27/16F16K1/36
    • PROBLEM TO BE SOLVED: To provide a member for an automobile valve, excellent in low sticking tendency, heat resistance and corrosion resistance and also excellent in non-adhesiveness, low frictional properties and water/oil repellency (high contact angle).
      SOLUTION: In the automobile valve 100, the member 14 for the automobile valve is provided between an inflow-side flow passage 11 and an outflow-side flow passage 12 allowing outflow of fluid, and abuts on or separates from a valve element to thereby regulate a flow rate of fluid. The member is composed of a composition containing fluoro-rubber and fluororesin, and the fluororesin is deposited on the surface of the member. The fluororesin is a copolymer containing a polymerization unit based on ethylene and a polymerization unit based on tetrafluoroethylene. The fluoro-rubber is a polymer containing a polymerization unit based on vinylidene fluoride.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种汽车用阀的构件,其低粘着性,耐热性和耐腐蚀性优异,且非粘合性,低摩擦性和拒水拒油性(高接触角)优异。 解决方案:在汽车阀门100中,用于汽车阀的构件14设置在流入侧流路11和流出侧流路12之间,允许流体流出,并与阀元件抵接或分离 从而调节流体的流速。 该构件由含氟橡胶和氟树脂的组合物组成,氟树脂沉积在构件的表面上。 氟树脂是含有基于乙烯的聚合单元和基于四氟乙烯的聚合单元的共聚物。 氟橡胶是含有基于偏二氟乙烯的聚合单元的聚合物。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Fluoro-rubber molded article
    • 氟橡胶成型品
    • JP2012153880A
    • 2012-08-16
    • JP2011285297
    • 2011-12-27
    • Daikin Industries Ltdダイキン工業株式会社
    • TAKEMURA KOHEIYANAGIGUCHI TOMIHIKO
    • C08J5/00C08J3/24C08L27/12
    • C08J5/00C08J3/246C08J2327/16C08J2327/18C08L2205/02Y10T428/24479C08L27/16C08L27/18
    • PROBLEM TO BE SOLVED: To provide a fluoro-rubber molded article that has low abrasion properties and water repellency without forming a fluorine resin layer by lamination or coating on a rubber surface.SOLUTION: The fluoro-rubber molded article is obtained by the crosslinking of a crosslinkable composition containing a fluoro-rubber (A) and a fluorine resin (B). The fluoro-rubber molded article has projections on the surface, the surface area ratio of the region having the projections versus the surface of the fluoro-rubber molded article is 0.06 or greater, the volume ratio of the fluorine resin (B) versus the fluoro-rubber molded article is 0.05 to 0.45, the surface area ratio of the region having the projections is at least 1.2 times the volume ratio of the fluorine resin (B), and the fluorine resin (B) is a tetrafluoroethylene/hexafluoropropylene copolymer.
    • 要解决的问题:提供具有低磨损性和拒水性的氟橡胶模塑制品,而不通过在橡胶表面上层压或涂覆而形成氟树脂层。 解决方案:通过交联包含氟橡胶(A)和氟树脂(B)的交联组合物获得氟橡胶模塑制品。 氟橡胶成型体在表面具有突起,具有突起的区域与氟橡胶成型体的表面的表面积比为0.06以上,氟树脂(B)相对于氟的体积比 - 橡胶成形体为0.05〜0.45,具有突起的区域的表面积比为氟树脂(B)的体积比的1.2倍以上,氟树脂(B)为四氟乙烯/六氟丙烯共聚物。 版权所有(C)2012,JPO&INPIT
    • 8. 发明专利
    • Process of manufacturing fluororubber molded product and fluororubber molded product
    • 制造氟橡胶成型产品和氟橡胶成型产品的工艺
    • JP2011012212A
    • 2011-01-20
    • JP2009159070
    • 2009-07-03
    • Daikin Industries Ltdダイキン工業株式会社
    • TAKEMURA KOHEIYANAGIGUCHI TOMIHIKO
    • C08J3/24C08L27/12C08L27/18
    • PROBLEM TO BE SOLVED: To provide a process of manufacturing a fluororubber molded product which has an increased fluororesin ratio on the surface of the fluororubber, low friction, non-adhesiveness and surface water/oil repellency.SOLUTION: The present invention provides a process of manufacturing a fluororubber molded product including a kneading step (I) of kneading a fluororubber (A) consisting of tetrafluoroethylene/propylene copolymer, a fluororesin (B) and a crosslinking agent (C), above the melting point of the fluororesin (B) under the condition that the crosslinking reaction does not advance, to obtain a crosslinkable fluororubber composition; a molding and a crosslinking step (II) of molding crosslinkable fluororubber composition and crosslinking it to obtain a crosslinked-molded product; and a thermal processing step (III) of heating the crosslinked-molded product at or above the melting point of the fluororesin (B) to obtain the fluororubber molded product.
    • 要解决的问题:提供在氟橡胶的表面上具有增加的氟树脂比的氟橡胶成型体的制造方法,低摩擦,非粘合性和表面斥水斥油性。本发明提供一种方法, 制造含氟橡胶成型体,其包含在氟树脂(B)的熔点以下使氟乙烯(B)和交联剂(C)组成的氟橡胶(A)由四氟乙烯/丙烯共聚物,氟树脂(B)和交联剂(C)组成的捏合工序(I) 交联反应未进行的条件,得到交联性氟橡胶组合物; 模制交联性氟橡胶组合物的模塑和交联步骤(II)并将其交联以获得交联模制产品; 和加热在氟树脂(B)的熔点以上的交联成型体的热处理工序(III),得到氟橡胶成型品。