有序介孔石墨相氮化碳的合成及催化Knoevenagel缩合研究  

Preparation of Ordered Mesoporous Carbon Nitride and Its Catalytic Performance for Knoevenagel Condensation

作　　者：蒋权[1] 王悦[1] 尚介坤 许杰[1] 李永昕[1] 

机构地区：[1]常州大学石油化工学院,常州213164

出　　处：《化学通报》2016年第2期157-163,共7页Chemistry

基　　金：国家自然科学基金项目(21203014);中国石油科技创新基金研究项目(2011D-5006-0508);江苏省普通高校学术学位研究生科研创新计划项目(KYLX_1097)资助

摘　　要：以二氰二胺为前驱体,不同晶化温度的SBA-15为硬模板,用纳米浇铸法合成了一系列比表面和孔体积可调的介孔石墨相氮化碳(CND-SBA15)。通过N2吸-脱附、TEM、小角XRD、XPS、FT IR、CO2-TPD等手段研究了材料的织构、微观形貌、孔结构的有序性、化学组成和碱性质等。在以苯甲醛和丙二腈为底物的Knoevenagel缩合反应中,CND-SBA15材料表现出了很好的催化活性和稳定性。A series of mesoporous graphitic carbon nitride materials （CND-SBA15） with tunable surface areas and pore volumes have been prepared using dicyandiamide as a precursor and SBA-15 samples as templates under different hydrothermal temperatures. The textual properties, microscopic morphology, porous orderness, chemical compositions, and basic properties of CND-SBA15 materials were characterized by N2 adsorption-desorption, TEM, small angle XRD, XPS, FT-IR, and CO2-TPD. It has been demonstrated that CND-SBA15 materials exhibit high activity and stability for catalyzing Knoevenagel condensation reaction between benzyl aldehyde and malononitrile.

关 键 词：碱催化 介孔 石墨相氮化碳 KNOEVENAGEL缩合 

分 类 号：O643.36[理学—物理化学]