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    • 1. 发明专利
    • Material for fuel cell separator seal, and fuel cell separator
    • 燃料电池分离器密封材料和燃料电池分离器
    • JP2009231272A
    • 2009-10-08
    • JP2009030682
    • 2009-02-13
    • Honda Motor Co LtdShin Etsu Chem Co Ltd信越化学工業株式会社本田技研工業株式会社
    • TERADA SATOSHIOKONOGI TAISUKEMEGURIYA NORIYUKIHAYASHIDA OSAMU
    • H01M8/02H01M8/10
    • H01M8/0284H01M8/0286Y02E60/50
    • PROBLEM TO BE SOLVED: To provide a material for a fuel cell separator, which has a good adhesion of a base material and an elastic seal, and can holds sealability and adhesivity for a long time even in an acidic solution. SOLUTION: The material for a fuel cell separator has a base material, a primer layer on the surface of the base material, and further the elastic seal outside the primer layer. The primer layer is composed of a cured primer composition having a Si-H functional group. The elastic seal is a cured liquid addition-curable silicone rubber composition having an alkenyl group and a Si-H functional group. The molar ratios of the total amounts of the alkenyl group and the Si-H functional group respectively contained in the primer composition and the liquid addition-curable silicone rubber composition per unit mass is in the range of 5.0 COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种燃料电池隔板的材料,其具有良好的基材和弹性密封的粘附性,并且即使在酸性溶液中也可长时间保持密封性和粘合性。 解决方案:用于燃料电池隔板的材料具有基材,基材表面上的底漆层,以及底漆层外的弹性密封。 底漆层由具有Si-H官能团的固化底漆组合物组成。 弹性密封件是具有烯基和Si-H官能团的固化液体可加成固化的硅橡胶组合物。 分别包含在底漆组合物中的烯基和Si-H官能团的总量与每单位质量的液体可加成固化的硅橡胶组合物的摩尔比在5.0 <(Si- H官能团)/(烯基的总含量)<50.0。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Silicone rubber composition for fixing roll or fixing belt, and fixing roll and fixing belt
    • 用于固定滚筒或固定带的固体硅橡胶组合物,以及固定辊和固定带
    • JP2008255283A
    • 2008-10-23
    • JP2007101320
    • 2007-04-09
    • Shin Etsu Chem Co Ltd信越化学工業株式会社
    • MEGURIYA NORIYUKIIINO MIKIOHIRABAYASHI SATAO
    • C08L83/07F16C13/00G03G15/20
    • PROBLEM TO BE SOLVED: To provide a silicone rubber composition having excellent heat-resistance as a fixing roll and a fixing belt. SOLUTION: The silicone rubber composition for a fixing roll or belt contains (A) an organopolysiloxane having ≥2 alkenyl groups bonded to a silicon atom, (C) a liquid organohydrogenpolysiloxane containing ≥2 hydrogen atoms bonded to a silicon atom and ≥2 alkoxy groups and/or aryloxy groups bonded to a silicon atom and having a viscosity of ≤1,000 mPa s at 25°C, (D) an inorganic filler, (E) an addition reaction catalyst and, as necessary, (B) an organohydrogenpolysiloxane containing ≥2 hydrogen atoms bonded to a silicon atom, free from other functional groups and having a viscosity of ≤1,000 mPa s at 25°C, wherein the ratio of (the SiH groups in B and C)/(the Si-bonded alkenyl group in A) is 0.2-2.0 and the molar ratio of the SiH group of the component B to the SiH group of the component C (B/C) is COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供作为定影辊和定影带的耐热性优异的硅橡胶组合物。 解决方案:用于定影辊或带的硅橡胶组合物含有(A)具有与硅原子键合的≥2个烯基的有机聚硅氧烷,(C)含有与硅原子键合的≥2个氢原子的液体有机氢聚硅氧烷,≥ 2个烷氧基和/或与硅原子键合的芳氧基,并且在25℃下具有≤1,000mPa·s的粘度,(D)无机填料,(E)加成反应催化剂,根据需要,(B) 含有≥2个氢原子的有机氢聚硅氧烷与硅原子键合,不含其它官能团,在25℃下粘度≤1,000mPa·s,其中(B和C中的SiH基团)/(Si键合 A)中的烯基为0.2-2.0,并且组分B的SiH基与组分C(B / C)的SiH基的摩尔比<1。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Addition curing type liquid conductive silicone rubber composition for roller and developing roller
    • 添加固化型液体导电硅橡胶组合物,用于滚筒和开发滚子
    • JP2008074912A
    • 2008-04-03
    • JP2006253752
    • 2006-09-20
    • Shin Etsu Chem Co Ltd信越化学工業株式会社
    • MEGURIYA NORIYUKIHIRABAYASHI SATAOTOMIZAWA NOBUMASA
    • C08L83/07C08K3/00C08L83/05F16C13/00G03G15/00G03G15/02G03G15/08G03G15/16
    • PROBLEM TO BE SOLVED: To provide an addition curing type liquid conductive silicone rubber composition for rollers, which has low viscosity and excellent moldability and gives cured products having small compression set, and to provide a developing roller formed from the composition. SOLUTION: This addition curing type liquid conductive silicone rubber composition for rollers comprises (A) 100 pts.mass of an organopolysiloxane containing at least two silicon atom-bound alkenyl groups in one molecule, (B) 0.1 to 30 pts.mass of an organohydrogen polysiloxane containing at least two silicon atom-bound hydrogen atoms in one molecule, (C) 3 to 100 pts.mass of an inorganic filler having an average particle diameter of ≤50 μm and a mass decrease rate of ≤1%, when left in a 200°C oven for 4 hours, (D) 0.5 to 50 pts.mass of a conductivity-imparting material, and (E) a catalytic amount of an addition reaction catalyst, and has volume resistivity of ≤10 kΩ×m after cured. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于辊的加成固化型导电硅橡胶组合物,其具有低粘度和优异的成型性,并且得到具有小压缩永久变形的固化产物,并提供由该组合物形成的显影辊。 解决方案:用于辊的这种加成固化型液体导电硅橡胶组合物包括(A)在一分子中含有至少两个硅原子键合的烯基的有机聚硅氧烷100磅,(B)0.1〜30重量份 的一分子中含有至少两个硅原子键合的氢原子的有机氢聚硅氧烷,(C)平均粒径为≤50μm,质量下降率≤1%的无机填料的3〜100重量份, 当在200℃的烘箱中放置4小时时,(D)0.5至50质量%的导电性材料,和(E)催化量的加成反应催化剂,体积电阻率≤10kΩ× m治愈后。 版权所有(C)2008,JPO&INPIT
    • 4. 发明专利
    • Liquid addition curing type silicone rubber composition for fixing roll or fixing belt coated with fluorine resin and fixing roll and fixing belt
    • 液体添加固化型硅橡胶组合物,用于固定用氟树脂和固定辊和固定带固定的辊或固定带
    • JP2006052301A
    • 2006-02-23
    • JP2004234456
    • 2004-08-11
    • Shin Etsu Chem Co Ltd信越化学工業株式会社
    • MEGURIYA NORIYUKITOMIZAWA NOBUMASA
    • C08L83/07C08K3/22C08K3/36C08L83/05F16C13/00
    • PROBLEM TO BE SOLVED: To provide a liquid addition curing type silicone rubber composition having excellent heat conductivity and good heat resistance and durability in adhesion to a fluorine resin on the surface layer and to provide a fixing roll and a fixing belt coated with a fluorine resin and provided with the silicone rubber composition as an intermediate elastic layer.
      SOLUTION: The liquid addition curing type silicone rubber composition for the fixing roll and fixing belt coated with the fluorine resin comprises (A) a liquid organopolysiloxane containing at least two alkenyl groups bound to the silicon atoms in one molecule and having ≤100,000 mPa s viscosity at 25°C, (B) a liquid organohydrogenpolysiloxane containing at least two hydrogen atoms bound to the silicon atom in one molecule and having ≤1,000 mPa s viscosity at 25°C, (C) alumina, (D) crystalline silica, (E) iron oxide having 0.01-0.3 μm average particle diameter and (F) an addition reaction catalyst. The fixing roll and fixing belt coated with the fluorine resin are provided with the silicone rubber composition as the intermediate elastic layer.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种具有优异的导热性和良好的耐热性和与表面层上的氟树脂的粘合性的耐久性的液体加成固化型硅橡胶组合物,并提供一种涂覆有定影辊和定影带的固定辊和定影带 氟树脂,并且具有硅橡胶组合物作为中间弹性层。 解决方案:用于固定辊和涂覆有氟树脂的定影带的液体加成固化型硅橡胶组合物包含(A)在一分子中含有至少两个与硅原子键合的烯基的液体有机聚硅氧烷,并且具有≤100,000 25℃下的mPa s粘度,(B)含有至少两个氢原子的液体有机氢聚硅氧烷,其在一个分子中与硅原子结合,在25℃下具有≤1,000mPa·s粘度,(C)氧化铝,(D)结晶二氧化硅 ,(E)平均粒径为0.01-0.3μm的氧化铁和(F)加成反应催化剂。 涂布有氟树脂的定影辊和定影带设置有作为中间弹性层的硅橡胶组合物。 版权所有(C)2006,JPO&NCIPI
    • 6. 发明专利
    • Silicone rubber composition, and fixing roll and fixing belt
    • 硅橡胶组合物和固定辊和固定带
    • JP2004226895A
    • 2004-08-12
    • JP2003017450
    • 2003-01-27
    • Shin Etsu Chem Co Ltd信越化学工業株式会社
    • MEGURIYA NORIYUKITOMIZAWA NOBUMASA
    • G03G15/20B32B1/08B32B25/08B32B25/20B32B27/30C08L83/05C08L83/07F16C13/00
    • PROBLEM TO BE SOLVED: To provide a silicone rubber composition giving silicone rubber having excellent impact resilience as substance for a fixing roll and a fixing belt, and especially excellent in the impact resilience even in the case of low hardness, or excellent in the impact resilience even in the case of high heat conductivity, and further excellent in the impact resilience even in the case of low hardness and high heat conductivity, and to provide the fixing roll and the fixing belt having a rubber layer made of the silicone rubber.
      SOLUTION: The silicone rubber composition is composed of (A) liquid organo polysiloxane whose viscosity at 25°C is ≤500,000 mPa s and which incorporates an alkenyl group of 100 pts.wt., (B) organo polysiloxane whose polymerization degree is ≤300 and which does not contain the alkenyl group of 0 to 100 pts.wt., (C) liquid organo hydrogen polysiloxane whose viscosity at 25°C is ≤1,000 mPa s of 0.1 to 30 pts.wt., and (D) an addition reaction catalyst by a catalyst amount as essential components. The styrene conversion number average molecular weight by gel permeation chromatography (GPC) of the toluene extract of a hardened object obtained by hardening the composition is ≤30,000, and the composition is used for the fixing roll or the fixing belt.
      COPYRIGHT: (C)2004,JPO&NCIPI
    • 要解决的问题:提供一种硅橡胶组合物,其具有作为定影辊和定影带的物质的具有优异的抗冲击性的硅橡胶,并且即使在低硬度的情况下也具有优异的冲击弹性,或者优异的 即使在高导热性的情况下也具有冲击弹性,并且即使在低硬度和高导热性的情况下也具有更好的冲击弹性,并且提供具有由硅橡胶制成的橡胶层的定影辊和定影带 。 解决方案:硅橡胶组合物由(A)在25℃下的粘度≤500,000mPa·s且含有100重量份的链烯基的液体有机聚硅氧烷组成,(B)有机聚硅氧烷的聚合度 ≤300,不含0〜100重量份的烯基,(C)在25℃下粘度为0.1mPa·s为0.1〜30重量份的液体有机氢聚硅氧烷,(D) )加成反应催化剂的催化剂用量作为必要成分。 通过使组合物硬化而得到的硬化物的甲苯提取物的凝胶渗透色谱法(GPC)的苯乙烯换算数均分子量为30,000以下,组合物用于定影辊或定影带。 版权所有(C)2004,JPO&NCIPI
    • 7. 发明专利
    • Semiconductive roll
    • 半导体滚筒
    • JP2003055553A
    • 2003-02-26
    • JP2001247641
    • 2001-08-17
    • Shin Etsu Chem Co Ltd信越化学工業株式会社
    • MEGURIYA NORIYUKINAKAMURA TSUTOMU
    • F16C13/00C08K3/00C08K7/16C08L83/07H01B1/20H01B1/24
    • PROBLEM TO BE SOLVED: To provide a semiconductive roll which has an extremely small variation in electric resistance in a semiconductive region, and whose electric resistance is not changed by molding conditions and is stable.
      SOLUTION: This semiconductive roll is obtained by forming a layer of a semiconductive cured product of a liquid silicone rubber composition on a metal core. The liquid silicone rubber composition comprises (A) a liquid organopolysiloxane having at least 2 alkenyl groups and a viscosity of ≤100,000 mPa.s at 25°C, (B) a liquid organohydrogenpolysiloxane having at least 3 SiH groups and a viscosity of ≤1,000 mPa.s at 25°C, (C) spherical silicone elastomer particles having an average particle size of 0.1-100 μm, (D) a conductive material and (E) an addition reaction catalyst.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供半导体区域的电阻变化极小的半导电辊,并且其电阻不通过成型条件而变化并且稳定。 解决方案:该半导电辊是通过在金属芯上形成液态硅橡胶组合物的半导体固化产物层而获得的。 液体硅橡胶组合物包含(A)具有至少2个烯基并且在25℃下粘度<= 100,000mPa.s的液体有机聚硅氧烷,(B)具有至少3个SiH基团的液体有机氢聚硅氧烷, (C)平均粒径为0.1-100μm的球形硅氧烷弹性体颗粒,(D)导电材料和(E)加成反应催化剂。
    • 8. 发明专利
    • Addition-curable silicone rubber composition and cured silicone rubber
    • 添加固化硅橡胶组合物和固化硅橡胶
    • JP2009221295A
    • 2009-10-01
    • JP2008065714
    • 2008-03-14
    • Shin Etsu Chem Co Ltd信越化学工業株式会社
    • MEGURIYA NORIYUKI
    • C08L83/07C08K3/36C08L83/05
    • C08L83/04C08G77/12C08G77/20C08K3/36C08L83/00C08L2666/58
    • PROBLEM TO BE SOLVED: To provide a silicone rubber composition, a highly viscous silicone rubber composition using cheap precipitated silica, excellent in moldability and suitable particularly for liquid injection molding, and to provide a cured silicone rubber obtained by curing the above silicone rubber composition and having good characteristics of high strengths and low compression set. SOLUTION: Provided is an addition-curable silicone rubber composition that contains (A) an organopolysiloxane which contains in one molecule at least two alkenyl groups bonded to silicon atoms, has an average degree of polymerization of ≤1,000 and is liquid at room temperature; (B) an organopolysiloxane which contains in one molecule at least 6 alkenyl groups bonded to silicon atoms, has an average degree of polymerization of ≥2,000 and is like a raw rubber at room temperature; (C) an organohydrogenpolysiloxane; (D) a precipitated silica which has a specific surface area, as measured by the BET method, of ≥100 m 2 /g; and (E) a catalyst for addition reaction. This silicone rubber composition has a viscosity of 100-800 Pa s at 25°C and at the shear rate of 10 s -1 . COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供硅橡胶组合物,使用廉价沉淀二氧化硅的高粘度硅橡胶组合物,其成型性优异并且特别适用于液体注射成型,并且提供通过固化上述硅氧烷获得的固化硅橡胶 橡胶组合物,具有高强度和低压缩永久变形的良好特性。 解决方案:提供一种可加成固化的硅橡胶组合物,其包含(A)在一分子中含有至少两个与硅原子键合的烯基的有机聚硅氧烷,其平均聚合度≤1000,并且在室内为液体 温度; (B)在一个分子中含有至少6个与硅原子键合的烯基的有机聚硅氧烷的平均聚合度≥2,000,并且在室温下类似于生橡胶; (C)有机氢聚硅氧烷; (D)通过BET法测得的比表面积为≥100m2 / SP / g的沉淀二氧化硅; 和(E)用于加成反应的催化剂。 该硅橡胶组合物在25℃下的粘度为100-800Pa·s,剪切速率为10s -1。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • Sealing material for solid polymer fuel cell separator, separator seal, and separator
    • 固体聚合物燃料电池分离器,分离器密封件和分离器的密封材料
    • JP2009158481A
    • 2009-07-16
    • JP2008302737
    • 2008-11-27
    • Honda Motor Co LtdShin Etsu Chem Co Ltd信越化学工業株式会社本田技研工業株式会社
    • OKONOGI TAISUKETERADA SATOSHIMEGURIYA NORIYUKIHAYASHIDA OSAMU
    • H01M8/02C08K3/04C08K3/36C08L83/05C08L83/07H01M8/10
    • H01M8/0282H01M2008/1095
    • PROBLEM TO BE SOLVED: To provide a sealing material for a solid polymer fuel cell separator which has a small permanent compressed strain and a high strength and gives a rubber curing substance having a good adhesiveness to a separator base material, and provide a separator seal so obtained as to curing this sealing material, and further, provide a separator having this separator seal formed in the peripheral edge portion of the separator base material. SOLUTION: The sealing material for the solid polymer fuel cell separator contains (A) a liquid organosiloxane of containing alkenyl group, (B) an organohydrogenpolysiloxane of containing hydrogen atoms combined with three or more silicon atoms in its molecule, (C) a fumed silica having its specific surface area of 50-400 m 2 /g which is measured by a BET method, (D) a carbon powder, and (E) an additive reaction catalyzer. The sealing material for the solid polymer fuel cell separator wherein two or more kinds of liquid organopolysiloxanes having their different weight-average molecule-weights from each other are mixed with each other as the liquid organopolysiloxane of containing alkenyl group of the (A) component is used. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决的问题:为了提供一种具有小的永久压缩应变和高强度的固体高分子型燃料电池隔板的密封材料,并且提供对隔板基材具有良好粘合性的橡胶固化物质,并提供 为了固化该密封材料而获得的隔板密封件,并且还提供了形成在隔板基材的周边部分中的具有该隔板密封件的隔板。 固体高分子型燃料电池用隔膜的密封材料含有(A)含有烯基的液体有机硅氧烷,(B)含有与分子中的三个以上硅原子结合的氢原子的有机氢聚硅氧烷,(C) 通过BET法测定其比表面积为50-400m 2 / SP / g的热解法二氧化硅,(D)碳粉末和(E)添加剂反应催化剂。 作为含有(A)成分的烯基的液体有机聚硅氧烷,将(A)成分的含有氟原子的液体有机聚硅氧烷彼此混合,将具有彼此不同重均分子量的两种以上的液体有机聚硅氧烷彼此混合的固体高分子型燃料电池用隔膜的密封材料 用过的。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Sealing material for separator of polymer electrolyte fuel cell, separator seal, and separator
    • 聚合物电解质燃料电池,分离器密封件和分离器分离器的密封材料
    • JP2009140823A
    • 2009-06-25
    • JP2007317475
    • 2007-12-07
    • Honda Motor Co LtdShin Etsu Chem Co Ltd信越化学工業株式会社本田技研工業株式会社
    • OKONOGI TAISUKETERADA SATOSHIMEGURIYA NORIYUKIHAYASHIDA OSAMU
    • H01M8/02C08K3/36C08L83/04C08L83/05C08L83/07C09K3/10H01M8/10
    • H01M8/0282H01M2008/1095
    • PROBLEM TO BE SOLVED: To provide a separator seal for a polymer electrolyte fuel cell that is excellent in moldability, particularly injection moldability, has low permanent compression set of cured rubber, and is also excellent in sealing property. SOLUTION: Constituted is the sealing material for separator of polymer electrolyte fuel cell including: (A) a liquid polyorganosiloxane having at least two alkenyl groups bonding to silicone atoms in the molecule and a weight-average molecular weight of 2 /g of specific surface area by BET method; and (E) a catalyst for addition reaction, as the essential components, wherein its viscosity ranges from 20 to 200 Pa s upon a shearing velocity of 10 s -1 at 25°C. As a result, the separator seal for a polymer electrolyte fuel cell that is excellent in moldability, particularly injection moldability, has low permanent compression set of cured rubber, and is also excellent in sealing property can be constituted. COPYRIGHT: (C)2009,JPO&INPIT
    • 解决问题:为了提供成型性优异,特别是注塑成型性的固体高分子型燃料电池用隔膜密封件,具有低固化橡胶的永久压缩永久变形,并且密封性也优异。 解决方案:构成为聚合物电解质燃料电池用隔板的密封材料,其包括:(A)具有至少两个与分子中的硅氧烷原子键合的烯基和重均分子量<100,000的液体聚有机硅氧烷; (B)重均分子量≥15万的粗橡胶状聚有机硅氧烷; (C)在分子中具有至少三个键合有机硅原子的氢原子的有机氢聚硅氧烷; (D)通过BET法测定比表面积为50〜400m 2 / SP / g的气相二氧化硅; 和(E)用于加成反应的催化剂作为必要组分,其中在25℃下10秒-1剪切速度下其粘度范围为20-200帕。 结果,成型性,特别是注塑成型性优异的固体高分子型燃料电池用隔膜密封件具有低固化橡胶的永久压缩永久变形,并且还可以构成密封性优异的密封性。 版权所有(C)2009,JPO&INPIT