Application of TiO2 hollow total mesoporous nanofiber in photocatalyst
A nanofiber, photocatalyst technology, applied in physical/chemical process catalyst, nanotechnology, nanotechnology and other directions, can solve the problem of less nanofiber photocatalyst, and achieve the effect of simple and controllable process
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Embodiment 1
[0056] Weigh 0.6g of polyvinylpyrrolidone (PVP) and 3.0g of butyl titanate (TBOT) and dissolve in a mixture of 7ml of absolute ethanol and 3ml of glacial acetic acid, stir and mix at room temperature for 2 hours, then add 0.5g of azodicarboxylate Isopropyl ester (foaming agent, DIPA) and continued stirring to obtain an orange-yellow transparent solution. Then, 0.5 g of cetyltrimethylammonium bromide (CTAB) and 2 ml of paraffin oil were added to the above solution and vigorously stirred to obtain a precursor spinning solution.
[0057] After the precursor spinning solution was left to stand, 6ml was measured and injected into a plastic needle tube, and placed on a micro-injection pump, and the injection speed was set at 1ml / h. The metal needle is used as the electrospinning anode, and the wire mesh is used as the cathode of the receiving material. The distance between the anode and the cathode is 20cm. Electrospinning is performed under a high voltage of 18kV, and the solid org...
Embodiment 2
[0060] Weigh 0.6g of polyvinylpyrrolidone (PVP) and 3.0g of butyl titanate (TBOT) and dissolve in a mixture of 7ml of absolute ethanol and 3ml of glacial acetic acid, stir and mix at room temperature for 2 hours, then add 0.5g of azodicarboxylate Isopropyl ester (foaming agent, DIPA) and continued stirring to obtain an orange-yellow transparent solution. Then, 0.5 g of cetyltrimethylammonium bromide (CTAB) and 2.2 ml of paraffin oil were added to the above solution and vigorously stirred to obtain a precursor spinning solution.
[0061] After the precursor spinning solution was left to stand, 6ml was measured and injected into a plastic needle tube, and placed on a micro-injection pump, and the injection speed was set to 1.1ml / h. The metal needle is used as the electrospinning anode, and the wire mesh is used as the cathode of the receiving material. The distance between the anode and the cathode is 19cm. Electrospinning is performed under a high voltage of 19kV, and the solid...
Embodiment 3
[0064] Weigh 0.6g of polyvinylpyrrolidone (PVP) and 3.0g of butyl titanate (TBOT) and dissolve them in a mixture of 8ml of absolute ethanol and 3ml of glacial acetic acid, stir and mix at room temperature for 2 hours, then add 0.5g of azodicarboxylate Isopropyl ester (foaming agent, DIPA) and continued stirring to obtain an orange-yellow transparent solution. Then, 0.5 g of cetyltrimethylammonium bromide (CTAB) and 1.8 ml of paraffin oil were added to the above solution and vigorously stirred to obtain a precursor spinning solution.
[0065] After the precursor spinning liquid is left to stand, measure 6ml and inject it into a plastic needle tube, and place it on a micro-injection pump, and set the injection speed to 0.9ml / h. The metal needle is used as the electrospinning anode, and the wire mesh is used as the cathode of the receiving material. The distance between the anode and the cathode is 21cm. Electrospinning is performed under a high voltage of 16kV, and the solid org...
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