Method for stripping laminated inorganic material
A technology of inorganic materials and layers of inorganic materials, applied in inorganic chemistry, chemical instruments and methods, silicon compounds, etc., can solve the problems of long time required, weakened bonding force, reduced particle size, etc., to achieve faster reaction rate, heating Fast, uniform heating effect
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[0021] Example 1
[0022] Step 1: Preparation of kaolin-urea intercalation composite
[0023] Weigh 5g of kaolin and place it in a flask, then add 50ml of saturated urea solution (with a concentration of about 13M), stir for 3 days in a water bath at 65°C, centrifuge, and then wash the residual urea on the surface of the kaolin with absolute ethanol. After centrifugal separation and drying under vacuum at 60°C, the urea-kaolin intercalation composite is obtained, and the intercalation rate is 65%.
[0024] Step 2: Ultrasonic acid leaching decomposition method to quickly strip the kaolin
[0025] Add 1 g of the above-prepared kaolin-urea intercalation composite to the acid solution, and immediately perform ultrasonic treatment for 5 minutes after mixing, so that the kaolin is naturally peeled off.
[0026] Step 3: Finished product
[0027] The kaolin obtained above is repeatedly washed with absolute ethanol 2 to 3 times, and then dried at 60° C. to obtain a peeled product of kaolin. It ...
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[0028] Example 2
[0029] Step 1: Preparation of hydrotalcite-OBSH intercalation composite
[0030] (1) Disperse 2 g of hydrotalcite evenly in 20 ml of deionized water, and add hydrochloric acid dropwise to adjust the liquid pH=4.
[0031] (2) Dissolve 2g OBSH solid in 40ml DMSO to form a clear solution.
[0032] (3) Mix the two solutions configured in steps 1 and 2 with each other in a constant temperature water bath at 40°C, stirring for 24 hours, centrifugal separation, and drying the resulting precipitate for 24 hours to obtain the final white product, which is the hydrotalcite-OBSH intercalation complex .
[0033] Step 2: Quickly peel off the hydrotalcite
[0034] Put 1g of the above-prepared hydrotalcite-OBSH intercalation composite into a microwave oven and heat it to rapidly decompose the OBSH, so that the hydrotalcite can be peeled off naturally.
[0035] Step 3: Finished product
[0036] The hydrotalcite obtained above is repeatedly washed with absolute ethanol 2 to 3 times, and...
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