Patent Details

Patent ID: CN200810030904.3

Water-based MRF fluid and preparation method for optical processing

Description: Water-based MRF solution for optical processing, and by the following volume components: water-based liquid compound contained 25% to 75% and add 25% to 75% of the components, which added component Press said volume percentage distribution: carbonyl iron powder 80% to 90% nano-iron 4% ~ 10% and polishing powder 4% ~ 10%, water-based complex carrier liquid volume percentage, including deionized water 85% to 90% , Dispersant 3% to 5% wetting agent 2% to 5% and a thixotropic agent, 3% to 5%.Its preparation method is deionized water and the thixotropic agent are mixed and stirred at room temperature for 1 to 2 hours; then add a dispersing agent, and stirred at room temperature for 0.5 to 1 hour; wetting agent is then added, followed by stirring at room temperature for 0.5 to 1 hour to obtain Water-based complex carrier liquid; add water-based components with complex carrier fluid mixing, adding mill pot, the mass ratio of 1:10 to join the ball, with a rate of 20 to 30 rev / min milling 3 to 5 hours, isolated ball, the products. Polishing liquid of the present invention, good stability, rheology, good oxidation resistance and simple preparation process environmentally friendly.

Patent Details:

DOI: C09G1 / 02 (2006.01) I; H01F1 / 44 (2006.01) I