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

Active Publication Date: 2021-09-03
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent CN1079016A discloses a reflective luminous pavement marking stone, Chinese patent CN1414061A discloses luminous and luminous artificial stones and Chinese patent CN1660712A discloses luminescent and luminous stones, these materials are easy to absorb dust under natural conditions, and in rain and fog The surface of the weather material will absorb a layer of water film, which will seriously affect the luminous and reflective effects of the material, and these materials do not have energy-saving performance

Method used

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  • A kind of multi-hybrid self-cleaning energy-saving luminescent sand for outdoor use and its preparation method
  • A kind of multi-hybrid self-cleaning energy-saving luminescent sand for outdoor use and its preparation method
  • A kind of multi-hybrid self-cleaning energy-saving luminescent sand for outdoor use and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

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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Abstract

The invention discloses a multi-hybrid energy-saving luminescent sand for outdoor use and a preparation method thereof, comprising skeleton sand and an energy-saving layer, a luminescent layer and a self-cleaning layer coated on the skeleton sand, and the prepared multi-hybrid is highly energy-saving and high-efficiency Luminous sand has high-efficiency luminous performance, its luminous spectral band is narrow, its color purity is high, and its color is bright, and it can be used under the solar irradiance of 1000W / m 2 , the sky temperature is 300K, the ambient temperature is 310K and the convection coefficient is 12W(m 2 K) ‑1 Under certain conditions, the surface temperature of the multi-hybrid high-efficiency energy-saving high-efficiency luminous sand coating is more than 20°C lower than the surface temperature of Portland cement concrete. The invention has the advantages of simple structure, easy-to-obtain raw materials, non-toxic and environmental protection, high-efficiency luminescence, water repellency, high durability, energy-saving performance, and is suitable for large-area application to roads and building surfaces to realize high-efficiency luminescence.

Description

technical field [0001] The invention belongs to the technical field of polymer materials and road construction, and in particular relates to a multi-hybrid self-cleaning energy-saving luminous sand for outdoor use and a preparation method thereof. Background technique [0002] Luminescent and reflective materials are widely used in daily life, such as in electronic appliances, commercial places, civil facilities, construction, communications, textiles, building materials, mining, machinery, railways, ships, aviation, hospitals, advertising and other fields. [0003] Luminescent materials include organic luminescent materials such as fluorescent molecules, fluorescent proteins, bioluminescence, and chemiluminescence, and inorganic luminescent materials such as quantum dots, up-conversion nano-luminescent particles, and long-lasting luminescent materials. Luminescent materials have been promoted and applied in the fields of fire protection, transportation, printing and dyeing,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B20/12
CPCC04B20/12C04B14/06C04B20/1066C04B20/107C04B20/1018C04B20/1051C04B14/068
Inventor 唐建国丁威王瑶王新芝沈文飞王彦欣王薇黄林军阿卜杜勒·拉希姆·阿莱姆李龙龙
Owner QINGDAO UNIV
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