阅读说明：本技术 一种太阳能路灯灯罩材料制备方法 (Preparation method of solar street lamp shade material ) 是由 张腾飞 余国海 于 2019-11-27 设计创作，主要内容包括：本发明公开了一种太阳能路灯灯罩材料制备方法,具体涉及光电材料技术领域,发明实施例制备的有机玻璃具有较高的玻璃化温度,其耐热性能较高,同时其力学性能也得到较大程度的提高,并且,其与水的接触角较大,防污性能良好。利用水热合成法,在硫酸钙晶须表面合成纳米氧化锌颗粒,不仅改善了纳米氧化锌颗粒容易团聚的特性,促进其均匀分散,同时,得到纳米氧化锌-硫酸钙晶须复合物耐热性能、隔离紫外性能较好,同时成纤维状且带有纳米颗粒节点,用于改性有机玻璃,可以增强其力学性能和耐热性能。(The invention discloses a preparation method of a solar street lamp shade material, and particularly relates to the technical field of photoelectric materials. The hydrothermal synthesis method is utilized to synthesize the nano zinc oxide particles on the surface of the calcium sulfate whisker, so that the characteristic that the nano zinc oxide particles are easy to agglomerate is improved, the uniform dispersion of the nano zinc oxide particles is promoted, and meanwhile, the obtained nano zinc oxide-calcium sulfate whisker compound has good heat resistance and ultraviolet isolation performance, is fibrous and is provided with nano particle nodes, is used for modifying organic glass, and can enhance the mechanical property and the heat resistance of the organic glass.)

1. The preparation method of the solar street lamp shade material is characterized by comprising the following steps:

(1) dispersing 10-15 parts by weight of calcium sulfate whisker in deionized water, ultrasonically dispersing for 15-20min at 40-50 ℃ under the condition of 45-48KHz, then adding 5-10 parts by weight of ethanol solution of cetyl trimethyl ammonium bromide, and continuing to ultrasonically disperse for 20-30min to obtain calcium sulfate whisker dispersion liquid;

(2) adding 10-15 parts of zinc acetate solution into the calcium sulfate whisker dispersion liquid obtained in the step (1), continuing to perform ultrasonic treatment for 10-20min, adding 10-15 parts of lithium hydroxide solution, uniformly dispersing, transferring the obtained dispersion liquid into a polytetrafluoroethylene stainless steel autoclave, reacting for 5-7h at 140-145 ℃, cooling, filtering, washing, and performing vacuum drying for 12-14h at 40-50 ℃ to obtain a nano zinc oxide-calcium sulfate whisker compound;

(3) modifying the nano zinc oxide-calcium sulfate whisker compound obtained in the step (2) to obtain a modified nano zinc oxide-calcium sulfate whisker compound;

(4) adding 0.5-1 part of azodiisobutyronitrile into 80-100 parts of methyl methacrylate, uniformly stirring, adding 10-15 parts of the modified nano zinc oxide-calcium sulfate whisker compound obtained in the step (3), performing ultrasonic treatment at 40-50 ℃ for 20-23min, heating to 76-79 ℃, performing heating reaction at 300-400rpm for 40-50min, transferring the system into a mold, sealing, and drying at 40-45 ℃ for 12-14 h.

2. The method according to claim 1, wherein the ethanol solution of cetyltrimethylammonium bromide in step (1) has a mass fraction of 2-5%.

3. The method according to claim 1, wherein the molar mass of the zinc acetate solution in the step (2) is 0.5-1mol/L, and the molar mass of the lithium hydroxide solution is 1-2 mol/L.

4. The method according to claim 1, wherein the modified nano zinc oxide-calcium sulfate whisker composite obtained in the step (3) is prepared by the following steps: adding 10-15 parts of the nano zinc oxide-calcium sulfate whisker obtained in the step (2), 15-20 parts of N- (4-carboxyphenyl) maleimide and 5-10 parts of perfluorophenyl methacrylate into deionized water with the volume 10-20 times of that of the nano zinc oxide-calcium sulfate whisker, then adding 3-4 parts of sodium dodecyl sulfate, stirring and emulsifying at 800rpm of 600 plus materials for 30-35min, adding 0.2-0.3 part of azodiisobutyronitrile, stirring for 2-4min, reducing the speed to 400rpm of 300 plus materials, heating to 83-85 deg.C, reacting for 3-4h, cooling, adding 5-10 parts of aluminum sulfate solution with mass fraction of 2-4%, stirring at 100-200rpm for 10-12min, filtering, and vacuum drying at 40-43 deg.C to obtain modified nanometer zinc oxide-calcium sulfate whisker composite.

5. The method of claim 1, wherein the ultrasonic treatment condition of step (4) is 50-52 KHz.

Technical Field

The invention belongs to the technical field of photoelectric materials, and particularly relates to a preparation method of a solar street lamp shade material.

Background

Solar panel is generally installed to solar street lamp on the street lamp, through crystalline silicon solar cell power supply, the LED lamps and lanterns have as the light source, and the outside has the lamp shade protection, need not to lay the cable, need not alternating current power supply, does not produce the charges of electricity, but wide application in places such as city main and secondary trunk road, district, mill, tourist attraction, parking area.

The lampshade material is usually organic glass, has excellent optical performance, weather resistance and chemical corrosion resistance, good electrical insulation and biocompatibility, easy molding processing, small relative density and mechanical strength greater than that of silicate inorganic glass, and is widely applied to the aspects of aviation, navigation, building W, daily life and the like. However, when the material is used as a lampshade material of a solar street lamp, dust and oil stains are easy to accumulate in the use process, and the lampshade is not easy to clean due to long-term irradiation of lamplight, so that the mechanical property is reduced, and the service life of the lampshade is shortened.

Disclosure of Invention

Aiming at the problems, the invention aims to provide a preparation method of a lampshade material of a solar street lamp.

The invention is realized by the following technical scheme:

the preparation method of the solar street lamp shade material is characterized by comprising the following steps:

(1) dispersing 10-15 parts by weight of calcium sulfate whisker in deionized water, ultrasonically dispersing for 15-20min at 40-50 ℃ under the condition of 45-48KHz, then adding 5-10 parts by weight of ethanol solution of cetyl trimethyl ammonium bromide, and continuing to ultrasonically disperse for 20-30min to obtain calcium sulfate whisker dispersion liquid;

(2) adding 10-15 parts of zinc acetate solution into the calcium sulfate whisker dispersion liquid obtained in the step (1), continuing to perform ultrasonic treatment for 10-20min, adding 10-15 parts of lithium hydroxide solution, uniformly dispersing, transferring the obtained dispersion liquid into a polytetrafluoroethylene stainless steel autoclave, reacting for 5-7h at 140-145 ℃, cooling, filtering, washing, and performing vacuum drying for 12-14h at 40-50 ℃ to obtain a nano zinc oxide-calcium sulfate whisker compound;

(3) modifying the nano zinc oxide-calcium sulfate whisker compound obtained in the step (2) to obtain a modified nano zinc oxide-calcium sulfate whisker compound;

(4) adding 0.5-1 part of azodiisobutyronitrile into 80-100 parts of methyl methacrylate, uniformly stirring, adding 10-15 parts of the modified nano zinc oxide-calcium sulfate whisker compound obtained in the step (3), performing ultrasonic treatment at 40-50 ℃ for 20-23min, heating to 76-79 ℃, performing heating reaction at 300-400rpm for 40-50min, transferring the system into a mold, sealing, and drying at 40-45 ℃ for 12-14 h;

further, the mass fraction of the ethanol solution of the hexadecyl trimethyl ammonium bromide in the step (1) is 2-5%.

Further, the molar mass of the zinc acetate solution in the step (2) is 0.5-1mol/L, and the molar mass of the lithium hydroxide solution is 1-2 mol/L;

further, the preparation method of the modified nano zinc oxide-calcium sulfate whisker compound in the step (3) comprises the following steps: adding 10-15 parts of the nano zinc oxide-calcium sulfate whisker obtained in the step (2), 15-20 parts of N- (4-carboxyphenyl) maleimide and 5-10 parts of perfluorophenyl methacrylate into deionized water with the volume 10-20 times of that of the nano zinc oxide-calcium sulfate whisker, then adding 3-4 parts of sodium dodecyl sulfate, stirring and emulsifying at 800rpm of 600 plus materials for 30-35min, adding 0.2-0.3 part of azodiisobutyronitrile, stirring for 2-4min, reducing the speed to 400rpm of 300 plus materials, heating to 83-85 deg.C, reacting for 3-4h, cooling, adding 5-10 parts of aluminum sulfate solution with mass fraction of 2-4%, stirring at 100-200rpm for 10-12min, filtering, and vacuum drying at 40-43 deg.C to obtain modified nanometer zinc oxide-calcium sulfate whisker compound;

further, the ultrasonic treatment condition in the step (4) is 50-52 KHz.

The invention has the beneficial effects that: the organic glass prepared by the embodiment of the invention has higher glass transition temperature, higher heat resistance, higher mechanical property, larger contact angle with water and good antifouling property. The hydrothermal synthesis method is utilized to synthesize the nano zinc oxide particles on the surface of the calcium sulfate whisker, so that the characteristic that the nano zinc oxide particles are easy to agglomerate is improved, the uniform dispersion of the nano zinc oxide particles is promoted, and meanwhile, the obtained nano zinc oxide-calcium sulfate whisker compound has good heat resistance and ultraviolet isolation performance, is fibrous and is provided with nano particle nodes, is used for modifying organic glass, and can enhance the mechanical property and the heat resistance; the nano zinc oxide-calcium sulfate whisker compound is modified by N- (4-carboxyphenyl) maleimide and perfluorophenyl methacrylate, and a polymerization reaction is carried out on the surface of the nano zinc oxide-calcium sulfate whisker compound, so that polar group carboxyl, a rigid ring structure benzene ring, fluorine atoms and the like are introduced to the surface of the nano zinc oxide-calcium sulfate whisker compound, and the heat resistance and antifouling performance of the obtained organic glass are greatly improved.

Detailed Description

The invention is illustrated by the following specific examples, which are not intended to be limiting.