A kind of multi-hybrid self-cleaning energy-saving luminescent sand for outdoor use and its preparation method
A self-cleaning, multiple technology, applied in the field of multiple hybrid self-cleaning energy-saving luminous sand for outdoor use and its preparation, can solve the problems of not having energy-saving efficiency, easy to absorb dust, affecting the luminous and reflective effects of materials, etc., to achieve bright colors, Optimizing the urban environment and the effect of excellent wear resistance
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Embodiment 1
[0029] A method for preparing multiple hybrid high-efficiency, energy-saving and high-efficiency red light sand, comprising the following steps:
[0030] (1) The surface of the quartz sand is cleaned with hydrochloric acid, sodium hydroxide ethanol solution and deionized water in sequence until the surface is free of oil stains or inorganic contamination, and then dried.
[0031] (2) Add 5g of quartz sand with a particle size of 100-200 microns to 100ml of ethanol, then add 50ml of 0.14M cetyltrimethylammonium bromide solution, stir well, and control the reaction temperature at 25°C. Adjust the pH of the solution to 12 with ammonia water at a concentration of 1M, add 10ml tetraethyl orthosilicate dropwise to the above solution, fully react for 12 hours, fully wash with deionized water, and dry to obtain the coated micro-nano particle structure. quartz sand.
[0032] (3) 0.02mol of EuCl 3 Solution, 0.06mol organic ligand tta and 0.02mol organic small molecule ligand phen were...
Embodiment 2
[0035] A method for preparing multiple hybrid high-efficiency, energy-saving, and high-efficiency green light-emitting sands. Include the following steps:
[0036] (1) The surface of the sea sand is cleaned with hydrochloric acid, sodium hydroxide ethanol solution and deionized water in sequence until the surface is free of oil stains or inorganic pollution, and then dried.
[0037](2) Add 10g of sea sand with a particle size of 100-400 microns to 200ml of methanol, then add 50ml of 0.28M cetyltrimethylammonium bromide solution, stir well, and control the reaction temperature at 20°C. 5M concentration of sodium hydroxide to adjust the pH of the solution to 12, add 20ml tetraethyl orthosilicate dropwise to the above solution, fully react for 18 hours, fully wash with deionized water, and dry to obtain coated micro-nano particles Structural aggregate sand.
[0038] (3) 0.06mol of TbCl 3 Solution, 0.18 mol organic ligand acac and 0.06 mol organic small molecule ligand phen wer...
Embodiment 3
[0041] A method for preparing multiple hybrid high-efficiency, energy-saving, and high-efficiency green light-emitting sands. Include the following steps:
[0042] (1) The surface of the desert sand is cleaned with hydrochloric acid, sodium hydroxide ethanol solution and deionized water in sequence until the surface is free of oil stains or inorganic pollution, and then dried.
[0043] (2) Add 10g of desert sand with a particle size of 200-400 microns to 200ml of methanol, then add 50ml of 0.28M polyvinylpyrrolidone solution, stir well, and control the reaction temperature at 30°C. Adjust the pH to 13, add 20ml of tetraethyl orthosilicate dropwise to the above solution, fully react for 20 hours, fully wash with deionized water, and dry to obtain desert sand coated with micro-nano particle structure.
[0044] (3) 0.06mol of TbCl 3 solution, 0.18 mol of organic ligand acac and 0.06 mol of organic small molecule ligand Bipy were dissolved in 1L of methanol solution, stirred at ...
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