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    • 3. 发明专利
    • Curable composition and molded article made of the same
    • 可固化组合物及其制品
    • JP2014074185A
    • 2014-04-24
    • JP2014012643
    • 2014-01-27
    • Daikin Ind Ltdダイキン工業株式会社
    • WASHINO KEIKOFUKUOKA SHOJIOTA DAISUKEKISHINE MITSURU
    • C08L27/16C08K5/21
    • C09K3/1009C08K5/16C08L27/16
    • PROBLEM TO BE SOLVED: To provide a curable composition of a vinylidene fluoride elastomer, assuring improved crosslinking speed by using an inexpensive curing agent, and to provide a molded article obtained from the curable composition, wherein physical properties under normal conditions are improved by the coexistence of a solvent having affinity for a compound generating ammonia.SOLUTION: A curable composition comprises (A) a vinylidene fluoride elastomer which is a copolymer of vinylidene fluoride (a1), at least one perfluoroolefin (a2) selected from the group consisting of tetrafluoroethylene, hexafluoropropylene and perfluoro(alkyl vinyl ether) and a cyano group-containing monomer (a3) (provided that a copolymerization rate of the vinylidene fluoride exceeds 20% by mole), and (B) a compound generating ammonia at 40 to 330°C alone as a curing agent.
    • 要解决的问题:提供一种偏二氟乙烯弹性体的固化性组合物,通过使用便宜的固化剂确保改善的交联速度,并提供由可固化组合物获得的模制品,其中在正常条件下通过共存提高物理性能 对于产生氨的化合物具有亲和性的溶剂。溶解性:可固化组合物包含(A)偏二氟乙烯弹性体,其是偏二氟乙烯(a1),至少一种全氟烯烃(a2)的共聚物,选自四氟乙烯, 六氟丙烯和全氟(烷基乙烯基醚)和含氰基单体(a3)(偏二氟乙烯的共聚比例超过20摩尔%),(B)仅在40〜330℃产生氨的化合物 作为固化剂。
    • 5. 发明专利
    • Peroxide-crosslinkable fluororubber
    • 过氧化物交联氟橡胶
    • JP2007056215A
    • 2007-03-08
    • JP2005246413
    • 2005-08-26
    • Daikin Ind Ltdダイキン工業株式会社
    • KISHINE MITSURUIRIE MASAKINISHIMURA YOSUKEOGATA SHINTAROOTA DAISUKE
    • C08F214/22
    • PROBLEM TO BE SOLVED: To provide a peroxide-crosslinkable fluororubber with extrusion moldability and low fuel permeability compatible with each other, to provide a composition for crosslinking use containing the fluororubber, and to provide a molded product made from the composition.
      SOLUTION: The peroxide-crosslinkable fluororubber is such that there are at least two peaks in its molecular weight distribution, the number-average molecular weight corresponding to the peak at the most low-molecular weight side is 3,000-60,000, the molecular weight distribution index for the above peak is 1.0-2.0, and the Mooney viscosity of the whole fluororubber is 30-80 at 100°C.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供具有挤出成型性和低燃料渗透性的可过氧化物交联的氟橡胶,以提供含有氟橡胶的交联用组合物,并提供由该组合物制成的模塑产品。 解决方案:过氧化物交联的氟橡胶使其分子量分布中至少有两个峰,对应于最低分子量侧的峰的数均分子量为3,000-60,000,分子量 上述峰的重量分布指数为1.0-2.0,整个氟橡胶的门尼粘度在100℃为30-80℃。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Member resistant to biodiesel fuel
    • 耐生物柴油燃料的会员
    • JP2013173930A
    • 2013-09-05
    • JP2013033596
    • 2013-02-22
    • Daikin Industries Ltdダイキン工業株式会社
    • OTA DAISUKEUEDA AKINORIKADOWAKI YUTAEDA MAYUKOKITAICHI MASAKIDOI MICHIKOYAMAMURA KAZUHIROFUKUOKA SHOJI
    • C08J3/24
    • PROBLEM TO BE SOLVED: To provide a member resistant to biodiesel fuel, the member being excellent in resistance to biodiesel fuel and having excellent tensile properties and cracking resistance at high temperatures.SOLUTION: A member resistant to biodiesel fuel can be obtained by crosslinking a fluororubber composition including a fluororubber (A) and a carbon black (B). In the member resistant to the biodiesel fuel, the crosslinked fluororubber has a loss elastic modulus E'' of ≥400 kPa and ≤6,000 kPa, in a dynamic viscoelasticity test carried out in a condition that: measurement temperature is 160°C; tensile strain is 1%; a static tension value when a static load condition at distortion variance is made constant is 157 cN; and frequency is 10 Hz.
    • 要解决的问题:提供耐生物柴油燃料的构件,其耐生物柴油燃料性能优异,并且在高温下具有优异的拉伸性能和抗开裂性。解决方案:可通过将氟橡胶交联而获得耐生物柴油燃料的构件 组合物,其包含氟橡胶(A)和炭黑(B)。 在耐生物柴油燃料的构件中,在测定温度为160℃的条件下进行的动态粘弹性试验中,交联氟橡胶的损失弹性模量E“≥400kPa,≤6000kPa。 拉伸应变为1%; 当变形方差的静态负载条件为常数时的静态张力值为157 cN; 频率为10 Hz。