Organic-inorganic ordered laminated materials and production thereof
A technology of layered materials and inorganic layers, applied in the field of organic-inorganic hybrid materials and their preparation, can solve the problems of easy damage to the structure, difficult to prepare granular powder, and no practical value.
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Embodiment 1
[0033] Fully mix 60g of ethanol and 180g of deionized water, then add it into a flask with an electric stirrer, start stirring, then add 4g of ammonia water as a catalyst, and then add 4.46g (0.01mol) of stearoyloxysilicic acid Triethyl ester and 2.08 g (0.01 mol) of ethyl orthosilicate were hydrolyzed at 50° C. for 4 hours, and the obtained powder was suction-filtered, washed, and then dried at room temperature to obtain an organic-inorganic ordered layered material.
[0034] This example starts from figure 2 It can be seen that a series of equidistant diffraction peaks appeared at 1.84, 3.69 and 5.54 in the small-angle XRD spectrum, indicating that the prepared material is a layered material, calculated by the Bragg formula, and its layer spacing is 4.796 nm.
[0035] image 3 It is a SEM photo of the layered material of this embodiment, from which black and white layered stripes can be seen, and the prepared material has a typical layered structure.
Embodiment 2
[0037]Fully mix 50g of ethanol with 150g of deionized water, then add it to a flask with an electric stirrer, start stirring, then add 4g of ammonia water as a hydrolysis catalyst, and then add 7.32g (0.01mol) of distearoyl titanium Diisopropyl acid diisopropyl ester and 2.84g (0.01mol) tetraisopropyl titanate were hydrolyzed at 70°C. After hydrolysis for 3 hours, the obtained powder was suction filtered, washed, and then dried to obtain an organic-inorganic ordered layer. shape material. The results are shown in Table 1.
Embodiment 3
[0039] Fully mix the ethanol of 60g with the deionized water of 180g, then join in the flask with electric stirrer, start stirring, then add 3g of ammonia water as catalyst, then add 9.56g of isopropyl tristearyloxy titanate and 4.16 g (0.02 mol) of ethyl orthosilicate was hydrolyzed at 40° C. for 3 hours, and the obtained powder was suction-filtered, washed, and then dried at room temperature to obtain an organic-inorganic ordered layered material. The results are shown in Table 1.
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