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    • 10. 发明公开
    • NOVEL PROCESS AND PRODUCT
    • 新闻中心VERFAHREN UND PRODUKT
    • EP3131846A1
    • 2017-02-22
    • EP15711737.5
    • 2015-03-20
    • Höganäs AB
    • ADAM, GorgeesVIDARSSON, Hilmar
    • C01B21/076C01B32/90C01B33/06C01B35/04
    • C01B31/305C01B21/0617C01B21/0761C01B32/914C01B32/921C01B32/949C01B32/956C01B33/06C01B35/04C01P2002/54C01P2002/70C01P2002/72C01P2002/85C01P2004/03C01P2004/51C01P2004/61
    • The present invention provides a process for manufacturing a compound in powder form, wherein said compound is the reaction product of (i) at least one metal and/or metalloid, and (ii) at least one further element that is more electronegative than the or each said metal and/or metalloid, which process comprises the steps of: a. mixing at least one oxide of said at least one metal and/or metalloid with a reducing agent comprising Ca or Mg granules or powder, and/or calcium hydride or magnesium hydride in granule or powder form, to form a mixture; b. exposing the mixture to a source of said at least one further element; c. maintaining said mixture under a H
      2 atmosphere at a temperature of from 950°C to 1500°C for 1-10 hours; and d. recovering said compound in powder form; wherein said at least one further element is selected from carbon, nitrogen, boron, silicon and mixtures thereof. The present invention also provides a compound in powder form obtainable by such a process.
    • 一种制备粉末形式的化合物的方法,其中所述化合物是(i)至少一种金属和/或准金属的反应产物,和(ii)至少一种比金属和/或准金属更具有电负性的其它元素 该方法包括以下步骤:将至少一种金属和/或准金属的至少一种氧化物与包含Ca或Mg颗粒或粉末的还原剂和/或颗粒或粉末形式的氢化钙或氢化镁混合,形成 混合物; 将混合物暴露于所述至少一个另外的元件的源; 将所述混合物在氢气氛下在950℃至1500℃的温度下保持1-10小时; 并回收所述粉末形式的化合物; 其中所述至少一种其它元素选自碳,氮,硼,硅及其混合物。 通过这种方法获得的粉末形式的化合物。