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    • 5. 发明申请
    • MAGNESIUM HYDROXIDE NANOPARTICLES, METHODS OF MAKING SAME AND COMPOSITIONS INCORPORATING SAME
    • 氢氧化镁纳米粒子,其制备方法和合成它们的组合物
    • WO2008048693A3
    • 2008-11-06
    • PCT/US2007060045
    • 2007-01-03
    • HEADWATERS TECH INNOVATION LLCZHOU ZHENHUAWU ZHIHUAZHOU BING
    • ZHOU ZHENHUAWU ZHIHUAZHOU BING
    • C09K21/00
    • C09K21/02
    • Magnesium hydroxide nanoparticles are made from a magnesium compound that is reacted with an organic dispersing agent (e.g., a hydroxy acid) to form an intermediate magnesium compound. Magnesium hydroxide nanoparticles are formed from hydrolysis of the intermediate compound. The bonding between the organic dispersing agent and the magnesium during hydrolysis influences the size of the magnesium hydroxide nanoparticles formed therefrom. The magnesium hydroxide nanoparticles can be treated with an aliphatic compound (e.g., a monofunctional alcohol) to prevent aggregation of the nanoparticles during drying and/or to make the nanoparticles hydrophobic such that they can be evenly dispersed in a polymeric material. The magnesium hydroxide nanoparticles exhibit superior fire retarding properties in polymeric materials compared to known magnesium hydroxide particles.
    • 氢氧化镁纳米颗粒由与有机分散剂(例如羟基酸)反应形成中间体镁化合物的镁化合物制成。 通过中间体化合物的水解形成氢氧化镁纳米颗粒。 水解期间有机分散剂与镁之间的结合影响由其形成的氢氧化镁纳米粒子的尺寸。 可以用脂族化合物(例如单官能醇)处理氢氧化镁纳米颗粒,以防止干燥期间纳米颗粒的聚集和/或使纳米颗粒疏水,使得它们可以均匀地分散在聚合物材料中。 与已知的氢氧化镁颗粒相比,氢氧化镁纳米颗粒在聚合物材料中表现出优异的阻燃性能。