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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. The defect of low storage utilization rate, the present invention proposes an energy-saving plastic film with light-to-heat conversion and heat preservation and heat storage effects, thereby effectively improving the light-to-heat conversion efficiency and heat preservation and heat storage effect of the film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] An energy-saving plastic film with light-to-heat conversion and thermal insulation and heat storage effects, prepared by the following method:

[0035] (1) Remove impurities from zirconium carbide particles, perform dry grinding in a ball mill, and classify by air suspension to obtain nano-sized zirconium carbide for use;

[0036](2) Add the nano-sized zirconium carbide and deionized water prepared in step (1) into the reaction vessel with a stirrer and temperature control system, turn on the stirrer, heat to 45~50°C, and add the surfactant dodecane Stir the sodium phenyl sulfonate until it is completely dissolved, add octamethylcyclotetrasiloxane after keeping it warm for 8 minutes, raise the temperature to 72~76°C, add sulfuric acid to adjust the pH value to 1.5, and react for 40 minutes; organic silica gel is coated on the surface of zirconium carbide particles Form a capsule structure, filter, wash, and dry to obtain encapsulated zirconium carbide particles; wherein...

Embodiment 2

[0041] An energy-saving plastic film with light-to-heat conversion and thermal insulation and heat storage effects, prepared by the following method:

[0042] (1) Remove impurities from zirconium carbide particles, perform dry grinding in a ball mill, and classify by air suspension to obtain nano-sized zirconium carbide for use;

[0043] (2) Add the nano-sized zirconium carbide and deionized water prepared in step (1) into the reaction vessel with a stirrer and temperature control system, turn on the stirrer, heat to 45~50°C, and add the surfactant dodecane Stir the sodium base sulfonate until it is completely dissolved, add octamethylcyclotetrasiloxane after keeping it warm for 10 minutes, raise the temperature to 72~76°C, add sulfuric acid to adjust the pH value to 2.5, and react for 45 minutes; organic silica gel is coated on the surface of zirconium carbide particles to form Capsule structure, after filtering, washing, and drying, to obtain encapsulated zirconium carbide p...

Embodiment 3

[0048] An energy-saving plastic film with light-to-heat conversion and thermal insulation and heat storage effects, prepared by the following method:

[0049] (1) Remove impurities from zirconium carbide particles, perform dry grinding in a ball mill, and classify by air suspension to obtain nano-sized zirconium carbide for use;

[0050] (2) Add the nano-sized zirconium carbide and deionized water prepared in step (1) into the reaction vessel with a stirrer and temperature control system, turn on the stirrer, heat to 45~50°C, and add the surfactant secondary alkyl Stir the sodium sulfonate until completely dissolved, add octamethylcyclotetrasiloxane after keeping it warm for 12 minutes, raise the temperature to 72~76°C, add sulfuric acid to adjust the pH value to 2, and react for 40 minutes; organic silica gel is coated on the surface of zirconium carbide particles to form capsules structure, filtered, washed, and dried to obtain encapsulated zirconium carbide particles; where...

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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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