Energy-saving plastic film with photothermal conversion and heat insulation and heat accumulation effects

A light-to-heat conversion and plastic film technology, which is applied in the direction of coating, layered products, synthetic resin layered products, etc., can solve the problems of poor compatibility of polymer materials, poor light-to-heat conversion effect, low storage utilization rate, etc. problems, to achieve excellent light-to-heat conversion, high phase change enthalpy, and low thermal hysteresis effect

Active Publication Date: 2018-06-05
安徽格锐新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Aiming at the currently widely used photothermal conversion materials of zirconium carbide ceramic nanoparticles, the compatibility with polymer materials is not good, and agglomeration is easy to occur, resulting in poor photothermal conversion effect, as well as the existing photothermal conversion film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0033] Example 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 th...

Example Embodiment

[0040] Example 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 n...

Example Embodiment

[0047] Example 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...

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PUM

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Abstract

The invention provides an energy-saving plastic film with photothermal conversion and heat insulation and heat accumulation effects. According to the invention, nano zirconium carbide organic silica gel is coated, polyethylene glycol is located with silicon dioxide aerogel, and in match with mica powder, functional powder with photothermal conversion and heat accumulation and constant temperatureis formed, and is further encapsulated between film layers, and thus realizing excellent photothermal conversion, heat accumulation and constant temperature functions; and the obtained film has extremely high practical value in the aspects of agricultural greenhouse, plant heat insulation and the like.

Description

technical field [0001] The invention relates to the technical field of film preparation, in particular to a polyamide film modified by zirconium carbide, in particular to an energy-saving plastic film with light-to-heat conversion and heat preservation and heat storage effects. Background technique [0002] With the rapid growth of population, the rapid development of urban construction and the increasing requirements of people's quality of life, the energy consumption is increasing year by year, and the global greenhouse effect is becoming increasingly prominent, making the development and application of renewable energy and energy-saving technologies in the amount of The core low-carbon technology has become the strategic goal of energy development in countries all over the world. People have been researching and developing various materials and technologies that can effectively utilize and save energy. Among them, the new light-to-heat conversion film is a very important o...

Claims

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Application Information

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IPC IPC(8): B32B27/34B32B27/08B32B7/12
CPCB32B7/12B32B27/08B32B27/34B32B2255/10B32B2307/304
Inventor 陈庆贯大为
Owner 安徽格锐新材料科技有限公司
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