Salen Mn(III)/MCM-48 catalyst was prepared and characterized by FT-IR,XRD,UV-Vis,and GC.The catalyst was evaluated by the epoxidation of styrene;remarkable activity and enantioselectivity were received.
High titanium loading MCM-41 was prepared via the novel post-grafting method by impregnating calcined MCM-41 into the Ti-Si sol.In comparison with the conventional direct synthesis and the impregnation method,the regu...