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    • 3. 发明申请
    • SEALANT MATERIAL
    • 密封材料
    • WO2016113077A1
    • 2016-07-21
    • PCT/EP2015/080683
    • 2015-12-18
    • HENKEL IP & HOLDING GMBH
    • DOYLE, AnnaLEDWIDGE, Eadaoin
    • C09K3/10
    • C09K3/1028C09D5/34C09K2200/0447C09K2200/0695D06M13/144F16L15/04
    • Use of a sealing material which is a multifilament or spun yarn coated with a joint sealing composition to seal a joint in a pipe system in which system a fluid having corrosion inhibitors such as diammonium dimolybdate or benzotriazole; and/or sludge removers; and/or an alcohol such as propane diol, or ethylene glycol; and/or a hydrocarbon such as diesel, including biodiesel, fuel oil, or hydraulic oil; and/or steam at a temperature of at least 180oC and a pressure of at least 10 bar (1000kPa); is to be passed through the sealed joint. It is surprising that the sealing materials of the invention can maintain a sealed joint despite exposure to such materials.
    • 使用密封材料,其是涂覆有接合密封组合物的复丝或细纱,用于密封管系统中的接头,其中系统具有诸如二钼酸铵或苯并三唑的腐蚀抑制剂的流体; 和/或污泥去除剂; 和/或醇如丙二醇或乙二醇; 和/或诸如柴油的烃,包括生物柴油,燃料油或液压油; 和/或蒸汽在至少180℃的温度和至少10巴(1000kPa)的压力下进行; 要通过密封接头。 令人惊讶的是,尽管暴露于这种材料,本发明的密封材料可以保持密封接头。
    • 4. 发明申请
    • SOFT SEALING MATERIAL
    • 软密封材料
    • WO01088055A1
    • 2001-11-22
    • PCT/SI2001/000016
    • 2001-05-16
    • C09K3/10D21H13/26D21H13/40D21H17/68F16J15/00
    • C09K3/1028C09K2200/0208C09K2200/0247C09K2200/06C09K2200/0695D21H13/26D21H13/40D21H17/68
    • There is disclosed a composition for a soft (non-metal) sealing material having the following percentage composition based on the overall composition: from 4 to 9 wt.% of fibrillated polyaramide fibers; less than 60 wt.% of powder graphite having a carbon content of 90 to 92 wt.% and such particle size distribution that at least 85% of all particles are in the size range of 10 mu m to 50 mu m; about 30 wt.% of mineral fillers represented by a combination of microsilica having a SiO2 content between 90 and 95 wt.%, a specific surface area according to BET method of 15 to 25 m /g and such particle size distribution that at least 90 wt.% of all particles are in the particle size range under 5 mu m, and of an active mineral filler having a SiO2 content of at least 98 wt.%, a specific surface area according to BET method of 100 to 120 m /g and such particle size distribution that at least 90 wt.% of all particles are in the particle size range of 5 mu m to 50 mu m, the ratio of microsilica to the mineral filler being such that the value of the total specific surface area according to BET method is between 45 and 55 m /g; and, optionally, friction agents for enhancing the friction between graphite particles and, optionally, biosoluble mineral fillers; about 12 wt.% of elastomeric binders; up to 2 wt.% of a vulcanization system in paste form containing zinc dibenzyldithiocarbamate (ZBEC) or zinc 2-ethylhexyldithiophosphate (ZDT) as vulcanization accelerants; and usual auxiliary substances in usual amounts.The material is produced according to a process, which is also one of the objects of the present invention, and is used for the manufacture of gaskets for technical and industrial applications.
    • 公开了一种用于软(非金属)密封材料的组合物,其基于总组成具有以下百分比组成:4至9重量%的原纤化聚芳酰胺纤维; 小于60重量%的碳含量为90〜92重量%的粉末状石墨,粒径分布为全部粒子的至少85%为10〜50μm的粒径; 约30重量%的由SiO 2含量为90至95重量%的二氧化硅的组合表示的矿物填料,根据BET法的比表面积为15至25m 2 / g,并且其粒度分布为 所有颗粒的至少90重量%的粒径在5μm以下,SiO 2含量为98重量%以上的活性矿物填料,根据BET法的比表面积为100〜120 m 2 / g,并且这样的粒度分布使得所有颗粒的至少90重量%的粒径范围为5μm至50μm,微硅粉与矿物填料的比例使得 根据BET法的总比表面积在45和55m 2 / g之间; 和可选地用于增强石墨颗粒和任选的生物可溶性矿物填料之间的摩擦的摩擦剂; 约12重量%的弹性粘合剂; 含有二苄基二硫代氨基甲酸锌(ZBEC)或2-乙基己基二硫代磷酸锌(ZDT)作为硫化促进剂的糊状硫化体系的至多2重量% 和通常的辅助物质。该材料是根据本发明的目的之一的方法生产的,并且用于制造用于技术和工业应用的垫圈。