先将Pd纳米粒子负载于SiO2球表面上,再经包裹、刻蚀、硅烷化修饰,得到氟丙基功能化“蛋黄”型结构催化剂.并采用X射线衍射、透射电镜、N2吸附-脱附和热重等对催化剂进行了表征.结果表明,该催化剂在水相烯烃加氢反应中表现出较高的活性,明显高于未经氟丙基修饰的同类催化剂.该催化剂通过离心便可实现回收,多次循环使用后仍保持较高的活性.
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