IR spectrum of the samples exhibits an obvious band at 550cm-1.The band at near 550cm 1 is similar to that of five-membered rings in microporous zeolites.

• 负载后样品的红外谱图在550 cm-1左右有一个明显的峰，这个位置的峰一般归属微孔沸石分子筛五员环的振动，说明了微孔的导向剂已经负载在介孔材料上；