An energy-saving plastic film with photothermal conversion and thermal insulation and heat storage effects
A light-to-heat conversion and plastic film technology, which is applied in the direction of synthetic resin layered products, coatings, chemical instruments and methods, etc., can solve the problems of poor compatibility of polymer materials, poor light-to-heat conversion effect, and low storage utilization rate etc. to achieve excellent light-to-heat conversion, low production cost, and good compatibility of raw materials
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Embodiment 1
[0034] An energy-saving plastic film with light-to-heat conversion and heat preservation and storage effects is prepared by the following method:
[0035] (1) Remove impurities from the zirconium carbide particles, perform dry grinding in a ball mill, and obtain nano-sized zirconium carbide for use by air suspension classification;
[0036] (2) Add the nano-sized zirconium carbide and deionized water prepared in step (1) to the reaction vessel with a stirrer and temperature control system, turn on the stirrer, heat to 45~50℃, and add the surfactant dodecane Stir the sodium benzene sulfonate until it is completely dissolved, add octamethylcyclotetrasiloxane after holding for 8 minutes, heat up to 72~76℃, add sulfuric acid to adjust the pH to 1.5, and react for 40 minutes; organic silica gel is coated on the surface of zirconium carbide particles A capsule structure is formed, filtered, washed, and dried to obtain encapsulated zirconium carbide particles; wherein the amount of nano-s...
Embodiment 2
[0041] An energy-saving plastic film with light-to-heat conversion and heat preservation and storage effects is prepared by the following method:
[0042] (1) Remove impurities from the zirconium carbide particles, perform dry grinding in a ball mill, and obtain nano-sized zirconium carbide for use by air suspension classification;
[0043] (2) Add the nano-sized zirconium carbide and deionized water prepared in step (1) to the reaction vessel with a stirrer and temperature control system, turn on the stirrer, heat to 45~50℃, and add the surfactant dodecane Stir the sodium sulfonate until it is completely dissolved, add octamethylcyclotetrasiloxane after holding for 10 minutes, heat up to 72~76℃, add sulfuric acid to adjust the pH to 2.5, and react for 45 minutes; organic silica gel is coated on the surface of zirconium carbide particles The capsule structure is filtered, washed, and dried to obtain encapsulated zirconium carbide particles; wherein the amount of nano-sized zirconiu...
Embodiment 3
[0048] An energy-saving plastic film with light-to-heat conversion and heat preservation and storage effects is prepared by the following method:
[0049] (1) Remove impurities from the zirconium carbide particles, perform dry grinding in a ball mill, and obtain nano-sized zirconium carbide for use by air suspension classification;
[0050] (2) Add the nano-sized zirconium carbide and deionized water prepared in step (1) to the reaction vessel with a stirrer and temperature control system, turn on the stirrer, heat to 45~50°C, add the secondary alkyl surfactant Stir the sodium sulfonate until it is completely dissolved, add octamethylcyclotetrasiloxane after holding for 12 minutes, heat up to 72~76℃, add sulfuric acid to adjust the pH to 2, and react for 40 minutes; organic silica gel is coated on the surface of the zirconium carbide particles to form a capsule The structure is filtered, washed, and dried to obtain encapsulated zirconium carbide particles; wherein the amount of nan...
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Abstract
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