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    • 2. 发明申请
    • A CATALYST FOR PREPARING CYCLIC CARBONATES, THE METHOD FOR PREPARING THE SAME AND THE USE THEREOF
    • 制备循环碳酸的催化剂,其制备方法及其用途
    • WO2011147812A1
    • 2011-12-01
    • PCT/EP2011/058436
    • 2011-05-24
    • BAYER MATERIALSCIENCE AGWANG, XingkuiLI, HongchaoWANG, JunweiKANG, MaoqingNEFZGER, HartmutFRIEDERICHS, Wolfgang
    • WANG, XingkuiLI, HongchaoWANG, JunweiKANG, MaoqingNEFZGER, HartmutFRIEDERICHS, Wolfgang
    • B01J27/188C07C51/25
    • B01J27/188
    • The present invention relates to a new catalyst for preparing cyclic carbonates, wherein the catalyst comprising a catalytically active component and a catalyst support, wherein the catalytically active component comprises a heteropoly acid; the catalyst support comprises a metal oxide of a first transition metal, wherein the first transition metal oxide is selected from the group consisting of zirconium oxide, titanium dioxide, zinc oxide, silicon oxide, alumina, vanadium pentoxide, magnesium oxide, calcium oxide, tin oxide, barium oxide, cerium oxide and lanthanum oxide; and the catalytically active component further comprises a second transition metal or a metal compound of a second transition metal, wherein the second transition metal is selected from the group consisting of palladium, nickel, iron, manganese, ruthenium, rhodium, silver, osmium, iridium, platinum and gold. The catalyst provided in this invention can be used to catalyze the reaction between epoxide and carbon dioxide in order to obtain a cyclic carbonate. The reaction conditions are relative mild, the activity and the selectivity of the catalyst is high, the reaction time is relatively short, and furthermore, the catalyst provided in this invention can be conveniently separated from the reaction system and recycled, therefore, this approach can be used to facilitate the further scale-up test and commercial application.
    • 本发明涉及用于制备环状碳酸酯的新催化剂,其中催化剂包含催化活性组分和催化剂载体,其中催化活性组分包含杂多酸; 催化剂载体包括第一过渡金属的金属氧化物,其中第一过渡金属氧化物选自氧化锆,二氧化钛,氧化锌,氧化硅,氧化铝,五氧化二钒,氧化镁,氧化钙,锡 氧化物,氧化钡,氧化铈和氧化镧; 并且所述催化活性组分还包含第二过渡金属或第二过渡金属的金属化合物,其中所述第二过渡金属选自钯,镍,铁,锰,钌,铑,银,锇,铱 ,铂金和黄金。 本发明提供的催化剂可用于催化环氧化物和二氧化碳之间的反应,以获得环状碳酸酯。 反应条件相对温和,催化剂的活性和选择性高,反应时间相对较短,此外,本发明提供的催化剂可以方便地从反应体系中分离出来并再循环使用,因此该方法可以 用于促进进一步的放大测试和商业应用。