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    • 8. 发明申请
    • THERMALLY STABLE INORGANIC FIBERS FOR EXHAUST GAS TREATMENT DEVICE INSULATING MAT
    • 用于排气处理设备绝热垫的热稳定无机纤维
    • WO2011159914A2
    • 2011-12-22
    • PCT/US2011040723
    • 2011-06-16
    • UNIFRAX I LLCCREEDON MATTHEW JKUMAR AMIT
    • CREEDON MATTHEW JKUMAR AMIT
    • F01N3/00B01D53/94F01N3/021F01N3/10F01N13/14
    • F01N3/2853C23C18/1216C23C18/1245C23C18/1295Y10T428/249921
    • An insulating mat (20) for an exhaust gas treatment device (10) thermally stable to at least 900°C, wherein the insulating mat contains inorganic fibers uniformly coated with a metal oxide including at least one of aluminum oxide, titanium oxide, zirconium oxide, or mixtures thereof; wherein said fibers are uniformly coated with the metal oxide by precipitating metal hydroxide corresponding to the metal oxide on the fibers, followed by converting the precipitated metal hydroxide to the metal oxide. A method of increasing the thermal stability of inorganic fibers for use in an exhaust gas treatment device insulating mat including the inorganic fibers, including uniformly coating the fibers with a metal oxide of at least one of aluminum oxide, titanium oxide, zirconium oxide or mixtures thereof by a chemical precipitation process.
    • 1.一种用于排气处理装置(10)的绝热垫(20),其对至少900℃的热稳定性,其中所述绝缘垫包含均匀涂覆有包含氧化铝,氧化钛,氧化锆中的至少一种的金属氧化物的无机纤维 ,或其混合物; 其中所述纤维通过沉淀与纤维上的金属氧化物相对应的金属氢氧化合物,然后将沉淀的金属氢氧化物转化为金属氧化物,均匀地涂覆有金属氧化物。 一种增加用于包括无机纤维的废气处理装置绝缘垫的无机纤维的热稳定性的方法,包括用氧化铝,氧化钛,氧化锆或其混合物中的至少一种的金属氧化物均匀地涂布纤维 通过化学沉淀过程。