A boron-containing aluminum hydroxide solid elastomer and preparation method thereof
A technology of aluminum hydroxide and dry glue, applied in chemical instruments and methods, catalyst activation/preparation, catalyst carrier, etc., can solve the problems of poor dispersion of boron, complicated operation process, deterioration of working environment, etc., and achieve suitable pore structure and Acidity, simple preparation method, effect of improving specific surface area
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Embodiment 1
[0025] will contain Al 2 o 3 5g / 100mL AlCl 3 Solution 2000mL with NH 3 10g / 100mL of ammonia water was added dropwise to the gelling reaction tank stirred at 60°C to keep the pH value at 7.6, and the reaction contact time was 40min. Aging was carried out at a temperature of 70°C and a pH value of 8.0. The aging time is 1h. The product was filtered, and then washed with deionized water with a solid-to-liquid volume ratio of 1:20 at a washing temperature of 80° C. for three times. The obtained filter cake was dried at 120° C. for 3 h.
Embodiment 2
[0027] After the gelling reaction of Example 1, add the 2 o 3 3g / 100mL organic compound solution 100mL. The boron-containing organic compound solution is prepared by dissolving boric acid in water, and the molar ratio of boric acid to mannitol is 1:1, and the others are the same as in Example 1.
Embodiment 3
[0029] The boron-containing organic compound solution in Example 2 was replaced by the boric acid to ethylene glycol molar ratio of 1.0:1.5, and the others were the same as in Example 1.
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