A kind of preparation method of diamond polishing liquid
A polishing liquid and diamond technology, applied in the field of polishing, can solve problems such as uneven dispersion and easy aggregation of diamond particles, and achieve the effect of ensuring suspension and dispersion
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Embodiment 1
[0024] (1) Preparation of modified diamond powder: Put diamond powder with an average particle size of 3.0 μm into hydrogen peroxide with a concentration of 20% by mass, stir and react for 0.5h, after the reaction is completed, filter, and then put the filter cake diamond powder into The mass percentage concentration is 50% hydrogen peroxide, heat and stir for 2 hours, and the heating temperature is 50°C. After the reaction is completed, filter, put the diamond powder treated twice with hydrogen peroxide into the nitric acid solution with a concentration of 70%, and reflux under stirring React for 1 hour, reflux at a reaction temperature of 70°C, filter, then wash off the residual acid solution on the surface of the diamond powder with pure water, and dry to obtain a modified diamond powder for later use. The stirring speed is 300 rpm;
[0025] (2) Weigh the raw materials in the following mass percentages: 6% modified diamond powder, 0.1% tannic acid, 0.5% hyaluronic acid, 0.5%...
Embodiment 2
[0029] (1) Preparation of modified diamond powder: Put diamond powder with an average particle size of 3.0 μm into hydrogen peroxide with a concentration of 20% by mass, stir and react for 40 minutes, after the reaction is completed, filter, and then put the filter cake diamond powder into mass The percentage concentration is 50% hydrogen peroxide, heat and stir for 1 hour, the heating temperature is 60°C, after the reaction is completed, filter, put the diamond powder treated twice with hydrogen peroxide into the nitric acid solution with a concentration of 70%, and reflux the reaction under stirring 2h, the reflux reaction temperature is 60°C, filter, then wash off the residual acid solution on the surface of the diamond powder with pure water, dry to obtain the modified diamond powder for use, and the stirring speed is 200rpm;
[0030] (2) Weigh the raw materials in the following mass percentages: 7% modified diamond powder, 0.2% tannic acid, 1% hyaluronic acid, 0.8% polyeth...
Embodiment 3
[0034] (1) Preparation of modified diamond powder: Put diamond powder with an average particle size of 3.0 μm into hydrogen peroxide with a concentration of 20% by mass, stir and react for 1 hour, after the reaction is completed, filter, and then put the filter cake diamond powder into mass The percentage concentration is 50% hydrogen peroxide, heat and stir to react for 0.5h, the heating temperature is 55°C, after the reaction is completed, filter, put the diamond powder treated twice with hydrogen peroxide into the nitric acid solution with a concentration of 70%, and reflux under stirring React for 1.5 hours, the reflux reaction temperature is 65°C, filter, then wash off the residual acid solution on the surface of the diamond powder with pure water, dry to obtain the modified diamond powder for use, and the stirring speed is 300 rpm;
[0035] (2) Weigh the raw materials in the following mass percentages: 8% modified diamond powder, 0.2% tannic acid, 2% hyaluronic acid, 1% p...
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