How to prepare tungsten disulfide nano lubricating oil additive? As is known to all, tungsten disulfide, specifically, flake WS2 nanopowder, is a promising nano lubricant additive. With the promotion of its application, researchers have paid more and more attention to the preparation of flake WS2. So, how to prepare WS2 nano lubricant additive? The researchers proposed a solid-phase synthesis technique to synthesize WS2 nanosheets for nano lubricant additive. This method has advantages of simple process, easy operation, controllable temperature, low cost and short reaction time. And it is suitable for large-scale industrial production.
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Preparing Tungsten Disulfide Nano Lubricating Oil Additive
Weigh tungsten powder with purity of 99% and sulfur powder with purity of 99.9% according to the molar ratio of 1:3, mix and add it to the stainless steel ball mill pot, using the stainless steel ball as the ball milling medium, ball milling at 200rmp for 4h. Wherein, the ratio of grinding media to material is 10:1. Then transfer to a stainless steel reactor, place the reactor in a high-temperature box furnace, increase the temperature in the furnace to 750°C at a heating rate of 10 °C/min, and keep it warm for 1 h; naturally cool the temperature in the high-temperature box furnace to room temperature to obtain dark brown powder - flaky tungsten disulfide nano lubricating oil additive.
