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    • 1. 发明申请
    • HARDENABLE EPOXY RESIN COMPOSITION
    • 可再生环氧树脂组合物
    • WO2008009560A1
    • 2008-01-24
    • PCT/EP2007/056782
    • 2007-07-05
    • ABB RESEARCH LTDSCHAAL, StéphaneGHOUL, CherifTILLIETTE, VincentARAUZO, FranciscoGONZALEZ, Patricia
    • SCHAAL, StéphaneGHOUL, CherifTILLIETTE, VincentARAUZO, FranciscoGONZALEZ, Patricia
    • C08G59/00H01B3/40
    • H01B3/40C08K5/54C08L63/00
    • A hardenable epoxy resin composition which is suitable for the production of an electrical insulation with improved thermal ageing properties, wherein said hardenable epoxy resin composition comprises an epoxy resin, a hardener, an inorganic filler composition, and a coupling agent for improving the bonding between the polymer matrix and the filler, and optionally further additives, characterized in that, (i) the filler composition comprises silica and aluminum trihydride (ATH) at a ratio of silica:ATH from 10:1 to 1:10; (ii) the average particle size distribution of the silica is within the range of from 100 µm - 0.5 µm; (iii) the average particle size distribution of ATH is below 10 µm, preferably within the range of from 10.0 µm - 0.5 µm; and (iv) the filler composition is present in an amount within the range of 20-80% by weight, calculated to the total weight of the insulating composition, and wherein (v) the coupling agent is present preferably within the range 20 of 0.1% - 10% by weight, calculated to the total weight of the insulating composition, the use of the composition for the production of an electrical insulation, and electrical articles containing such an electrical insulation system.
    • 一种适用于生产具有改善的热老化性能的电绝缘体的可硬化环氧树脂组合物,其中所述可硬化环氧树脂组合物包含环氧树脂,硬化剂,无机填料组合物和用于改善 聚合物基质和填料,以及任选的其它添加剂,其特征在于,(i)填料组合物包含二氧化硅和三氢化铝(ATH),二氧化硅的比例为:ATH为10:1至1:10; (ii)二氧化硅的平均粒度分布在100μm〜0.5μm的范围内; (iii)ATH的平均粒度分布低于10μm,优选在10.0μm〜0.5μm的范围内; 和(iv)填充剂组合物的存在量为绝对组合物总重量的20-80重量%,并且其中(v)偶联剂优选存在于0.1重量份的范围内 %-10重量%,计算绝缘组合物的总重量,用于生产电绝缘的组合物的使用,以及含有这种电绝缘系统的电气制品。