Titanium oxide coated superfine diamond abrasive and preparation method thereof

The invention discloses a titanium oxide coated superfine diamond abrasive and a preparation method thereof, and the preparation process comprises the following steps: adding a dispersant and a superfine diamond abrasive into deionized water, mixing and stirring for 40-80 minutes at 50-70 DEG C, then filtering, and adding the filtered superfine diamond abrasive into absolute ethyl alcohol; the preparation method comprises the following steps: adding a dispersing agent into the ultrafine diamond grinding material, adjusting the pH value of the dispersing agent to 8-13 by using an alkaline solution, adding TBOT in batches under the condition of stirring, standing the solution, carrying out solid-liquid separation, cleaning the solid by using ethanol, and drying to obtain the titanium oxide coated ultrafine diamond grinding material, and the mass ratio of the dispersing agent to the ultrafine diamond grinding material to the TBOT is (2-5): (6-10): (10-30). 本发明公开一种氧化钛包覆型的超细金刚石磨料及其制备方法，所述制备过程如下：将分散剂和超细金刚石磨料加入去离子水中