| abstract |
The invention discloses a kind of ternary composite metal oxide solid caustic soda catalyst and preparation method and application, which is the γ-Al modified by Zn, Mg 2 O 3 Ternary composite metal oxide ZnO/MgO/ γ-Al 2 O 3 ；In molar ratio by γ-Al when preparation 2 O 3 Carrier, MgO and ZnO modify object stirring soluble in water, adjust pH value 9~11, solid caustic soda catalyst is made after agitated, ultrasonic, ageing, dry, roasting；The catalyst is applied to the synthesis of polypropylene glycol.Solid caustic soda catalyst of the invention has ball-type micropore, and being dispersed in micropore can largely make fatty alcohol and epoxyalkane that the basic center of ring-opening reaction occur, and can provide enough activated centres for reaction；Meanwhile preparation method is simple, strong operability；It is applied to the synthesis of catalysis polypropylene glycol, there is good catalytic activity and catalytic efficiency. |