Preparation method of superhydrophobic glass beads
A glass bead and super-hydrophobic technology, which is applied in the field of super-hydrophobic glass bead preparation, can solve the problems that the hydrophobic effect of super-hydrophobic glass beads needs to be improved, and achieve the effect of enhancing hydrophobic effect and strong hydrophobic effect
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[0018] A preparation method of superhydrophobic glass beads, comprising:
[0019] S1. Put the glass beads into the low-temperature plasma containing hydroxyl organic matter to carry out grafting treatment.
[0020] Specifically, the glass beads are put into a low-temperature plasma generator to process the glass beads, wherein the low-temperature plasma containing hydroxyl organic matter is generated by the low-temperature plasma generator, and the flow rate of the gas containing hydroxyl organic matter is 80-170 mL / min. Further, one or more of methanol, ethanol and acetic acid. The above process is mainly to turn methanol, ethanol, acetic acid and other hydroxyl-containing organic substances into low-temperature plasma in a low-temperature plasma generator, that is, when the gas containing hydroxyl organic substances is broken down when the applied voltage reaches the ignition voltage of the gas, the gas generated includes A mixture of electrons, various ions, atoms and fr...
Embodiment 1
[0039]In this embodiment, a method for preparing superhydrophobic glass beads: firstly, glass beads with a particle size of 20 μm are placed in a low-temperature plasma generator, and the flow rate of methanol gas is adjusted to 100 mL / min. When placing the glass beads in a low-temperature plasma generator for processing, the processing temperature of the control device is 40° C., the processing pressure is 100 Pa, and the voltage is 30 KV. In addition, when the glass beads are grafted, the power of the low-temperature plasma generator is 250w, and the grafting time is 5 minutes.
[0040] Secondly, put the glass beads whose surface has been grafted into distilled water at 95° C. and boil for 45 minutes.
[0041] After that, after mixing 20 parts by weight of methyltrimethoxysilane, 100 parts by weight of methanol and 45 parts by weight of distilled water, add hydrochloric acid to adjust the pH value of the above-mentioned mixed solution to 5, and then put the above-mentioned m...
Embodiment 2
[0045] In this embodiment, a method for preparing superhydrophobic glass beads: firstly, glass beads with a particle size of 1 μm are placed in a low-temperature plasma generator, and the flow rate of ethanol gas is adjusted to 80 mL / min. When placing the glass beads in a low-temperature plasma generator for processing, the processing temperature of the control device is 30° C., the processing pressure is 11 Pa, and the voltage is 20 KV. In addition, when the glass beads are grafted, the power of the low-temperature plasma generator is 200w, and the grafting time is 3 minutes.
[0046] Secondly, put the glass beads whose surface has been grafted into distilled water at 90° C. and boil for 30 minutes.
[0047] Afterwards, after mixing 10 parts by weight of methyltrimethoxysilane, 100 parts by weight of methanol and 15 parts by weight of distilled water, add hydrochloric acid to adjust the pH value of the above-mentioned mixed solution to 2, and then put the above-mentioned mixe...
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Abstract
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