A kind of hydroxylated boron nitride composite film and its preparation method and application
A technology of hydroxylated nitrogen and boron nitride, applied in the field of hydroxylated boron nitride composite membrane, can solve the problems of poor dispersibility and weak hydrophilicity of boron nitride, and achieve increased mechanical properties, good permeability, improved adsorption and The effect of removal ability
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Embodiment 1
[0032] 1 embodiment of the invention provides a method for preparing boron nitride composite film hydroxylation procedure is as follows:
[0033] Step 1: First reference literature (Kai Wu, Ping Liao, Rongni Du, Qin Zhang, Feng Chenand Qiang Fu Preparation of a thermally conductive biodegradable cellulosenanofiber / hydroxylated boron nitride nanosheet film:. The critical role ofedge-hydroxylation J. Mater Chem.. .. a, 2018, 6, 11863-11873) preparing a boron nitride nanosheets hydroxylated, then first sheet and the commercialization of nano-iron hydroxide MXene nanocolloid to deionized water and dispersed uniformly to obtain a mixed solution; then hydroxylated boron nitride nanotube sheet into the mixed solution was added, uniformly mixed to obtain a mixed solution, where the added amount of boron nitride and a mass ratio of hydroxylated MXene 0.5: 1, and iron hydroxide MXene mass ratio nanocolloid 1: 0.2, by weight of deionized water is 20 to 100 times the mass MXene, ferric hydr...
Embodiment 2
[0037] 2 embodiment of the present invention provides a method of preparing hydroxylated boron nitride composite film, the specific process is as follows:
[0038]Step 1: Example 2 Different from the first embodiment in the amount of each of the raw materials, the commercial MXENE nano sheet and the hydroxide nanoplastic were first added to deionized water, and the dispersion was uniformly obtained mixed solution; The hydroxylated boron nitride nanocket was added to the above mixing solution, mixed uniform, to obtain a mixed solution, wherein the amount of hydroxylated boron nitride and MXENE was 1.25: 1, MXENE and iron hydrogen oxide mass. It is 1: 0.6, the mass of deionized water is 20-100 times the mass of MXENE, and the size of the iron hydroxide nano-colloid is 3-8 nm;
[0039] Step 2: Uniformly disperse the mixed solution in step 1 on the ceramic substrate of 2 cm, and the solution on the ceramic substrate is filtered, and the film layer is formed after moisture;
[0040] St...
Embodiment 3
[0042] The present invention provides a method for preparing a hydroxylated boron nitride composite film, and the specific process is as follows:
[0043] Step 1: Embodiment 3 Example 3 Different from Example 1 Different in the amount of the amount of the raw materials, the commercial MXENE nano sheet and the iron hydroxide nano gum were first added to deionized water, and the dispersion was uniformly obtained mixed solution; The hydroxylated boron nitride nanocket was added to the above mixed solution, mixed uniform, obtained mixed solution, wherein the amount of hydroxylated boron nitride and MXENE was 2: 1, MXENE and iron hydroxide nanocollid mass ratio. In 1: 1, the mass of the deionized water is 20-100 times the mass of MXENE, and the size of the iron hydroxide nano-colloid is 3-8 nm;
[0044] Step 2: Uniformly disperse the mixed solution in step 1 on the ceramic substrate of 2 cm, and the solution on the ceramic substrate is filtered, and the film layer is formed after moist...
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