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Lei Yang,Binbin Fan,Xingyu Cui,Xiufeng Shi,Ruifeng Li 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.21 No.1
A novel method for the preparation of Mn-containing silylated layered double hydroxides (LDHs) ispresented. The method involves functionalizing the calcined MgAl LDH (LDO) with dimethoxydiphenylsilane(DDS), and then treating it in the aqueous solution of KMnO4 under Ar. The prepared Mncontainingsilylated MgAl LDH catalysts have higher Mn amount and more accessible Mn sites than thecorresponding Mn-containing MgAl LDH catalysts, and exhibited much higher catalytic activity in theoxidation of ethylbenzene with O2 in the absence of organic solvents than the latter. In addition, theprepared Mn-containing silylated MgAl LDH catalyst was highly stable and reusable.