Method for preparing functional filling material of superfine calcium carbonate powder
A technology of fine calcium carbonate and filling materials, applied in the direction of calcium carbonate/strontium/barium, etc., can solve the problems of long reaction time, large product particle size, expensive production equipment, etc., achieve simple production process and equipment, and narrow particle size distribution range , low energy consumption and low cost
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[0017] Example 1:
[0018] Weigh 0.005 mol of calcium chloride and sodium bicarbonate powder, add them to 100 mL of deionized water and stir them thoroughly; put them in a microwave reactor, and react under the action of a microwave with a power of 140W for 60 minutes; filter the solid product, Wash with deionized water and dry to obtain the product submicron calcium carbonate powder.
[0019] Such as figure 1 , figure 2 As shown, the German Bruker D8Advance X-ray powder diffractometer (CuK α Radiation, λ = 1.5406 ) to determine the crystal structure of the prepared material; use the Philips company Tecnai 12 transmission electron microscope (TEM, 120kV) to observe the morphology and size of the product.
[0020] The results showed that:
[0021] figure 1 : X-ray diffraction pattern of the product prepared in Example 1 of the present invention. All its X-ray diffraction peaks from left to right correspond to (012), (104), (006), (110), (113), (202), (024), (018) of Mitsubishi...
Example Embodiment
[0023] Example 2:
[0024] Weigh 0.005 mol of calcium nitrate and sodium bicarbonate powder, add them to 100 mL of deionized water and stir thoroughly; put them in a microwave reactor, and react under the action of a microwave with a power of 140W for 60 minutes; filter the solid product with suction After washing with deionized water and drying, the product submicron calcium carbonate powder is obtained.
[0025] Such as image 3 , Figure 4 As shown, the German Bruker D8 Advance X-ray powder diffractometer (CuK α Radiation, λ = 1.5406 ) to determine the crystal structure of the prepared material; use the Philips company Tecnai 12 transmission electron microscope (TEM, 120kV) to observe the morphology and size of the product.
[0026] The results showed that:
[0027] image 3 : X-ray diffraction pattern of the product prepared in Example 2 of the present invention. All its X-ray diffraction peaks from left to right correspond to (012), (104), (006), (110), (113), (202), (024),...
Example Embodiment
[0029] Example 3:
[0030] Weigh 0.005 mol of calcium acetate and sodium bicarbonate powder, add them to 100 mL of deionized water and stir them fully; put them in a microwave reactor and react under the action of a microwave with a power of 140W for 60 minutes; filter the solid product with suction After washing with deionized water and drying, the product submicron calcium carbonate powder is obtained.
[0031] Such as Figure 5 , Figure 6 As shown, the German Bruker D8 Advance X-ray powder diffractometer (CuK α Radiation, λ = 1.5406 ) to determine the crystal structure of the prepared material; use the Philips company Tecnai 12 transmission electron microscope (TEM, 120kV) to observe the morphology and size of the product.
[0032] The results showed that:
[0033] Figure 5 : X-ray diffraction pattern of the product prepared in Example 3 of the present invention. All its X-ray diffraction peaks from left to right correspond to (012), (104), (006), (110), (113), (202), (024),...
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