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Phase change energy storage building material and preparation method thereof

A technology for building materials and phase change energy storage, which is used in the preparation of microspheres, materials for heat exchange, chemical instruments and methods, etc. Affordable effect

Inactive Publication Date: 2015-03-25
TIANSHUN GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main advantage of this method is that it does not need a container to be packed, it can be directly processed and formed, there will be no supercooling phenomenon, and the heat storage rate and thermal conductivity are high, but there are also disadvantages such as high material price and affecting the strength of building materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] This embodiment provides a phase change energy storage building material, which includes the following components in parts by mass:

[0041] EDTA: 10 parts, toluene-2,4-diisocyanate: 30 parts, n-hexadecane: 10 parts, cyclohexane: 18 parts, distilled water: 30 parts, sodium dodecylbenzenesulfonate: 10 parts; the phase change point of the phase change material is 25°C, and the latent heat of phase change is 200KJ / kg.

[0042] The preparation method of the above-mentioned phase change energy storage building material, the preparation method specifically includes the following steps:

[0043] (1) Preparation of water phase

[0044] Take by weighing sodium dodecylbenzenesulfonate and distilled water respectively, join in the three-neck flask that is clamped on the iron stand platform with electric stirrer;

[0045] (2) emulsification

[0046] Measure and mix n-hexadecane, cyclohexane and toluene-2,4-diisocyanate solutions respectively, and add the mixed solution into the ...

Embodiment 2

[0053] This embodiment provides a phase change energy storage building material, which includes the following components in parts by mass:

[0054] EDTA: 15 parts, toluene-2,4-diisocyanate: 45 parts, n-octadecane: 15 parts, cyclohexane: 20 parts, distilled water: 25 parts, Span 80: 8 parts; phase change The phase transition point of the material is 29°C, and the latent heat of phase transition is 180KJ / kg.

[0055] The preparation method of the above-mentioned phase change energy storage building material, the preparation method specifically includes the following steps:

[0056] (1) Preparation of water phase

[0057] Take by weighing sodium dodecylbenzenesulfonate and distilled water respectively, join in the three-neck flask that is clamped on the iron stand platform with electric stirrer;

[0058] (2) emulsification

[0059] Measure and mix n-hexadecane, cyclohexane and toluene-2,4-diisocyanate solutions respectively, and add the mixed solution into the three-necked fla...

Embodiment 3

[0066] This embodiment provides a phase change energy storage building material, which includes the following components in parts by mass:

[0067] EDTA: 12 parts, toluene-2,4-diisocyanate: 36 parts, butyl stearate: 12 parts, cyclohexane: 15 parts, distilled water: 28 parts, Tween 80: 5 parts; The phase change point of the material is 27°C, and the latent heat of phase change is 220KJ / kg.

[0068] The preparation method of the above-mentioned phase change energy storage building material, the preparation method specifically includes the following steps:

[0069] (1) Preparation of water phase

[0070] Take by weighing sodium dodecylbenzenesulfonate and distilled water respectively, join in the three-neck flask that is clamped on the iron stand platform with electric stirrer;

[0071] (2) emulsification

[0072] Measure and mix n-hexadecane, cyclohexane and toluene-2,4-diisocyanate solutions respectively, and add the mixed solution into the three-necked flask in step (1) for...

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Abstract

The invention discloses a phase change energy storage building material. The building material comprises the following components: ethylenediaminetetraacetic acid, toluene-2, 4-diisocyanate, a phase change material, cyclohexane, distilled water and an emulsifier; the invention further designs a preparation method of the phase change energy storage building material, and the preparation method comprises the flow of preparing an aqueous phase, emulsifying, polymerizing and separating product to obtain the phase change energy storage building material; the phase change energy storage building material can compound the phase change energy storage material with a proper building material to reinforce the storage capacity, and has good heat storage and temperature adjustment functions, the phase change energy storage building material is stable in chemical properties, free of toxic and irritating odor, low in cost and high in safety high, and the preparation method is simple and easy.

Description

technical field [0001] The invention belongs to an energy storage building material, in particular to a phase change energy storage building material and a preparation method thereof. Background technique [0002] With the country's promotion of building energy conservation and people's requirements for a comfortable building environment, intelligence and ecology have become an inevitable trend in the development of building materials. Phase change materials can be combined with traditional building materials to form new building materials with heat storage and temperature adjustment functions. It has the advantages of high energy storage density and absorption and discharge at approximately constant temperature, which can effectively maintain the comfort of the environment and reduce the energy consumption and cost required for building heating and cooling. [0003] Building is one of the fields with the most application value of phase change energy storage materials. Impr...

Claims

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Application Information

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IPC IPC(8): C09K5/06B01J13/14C08G18/76C08G18/34C04B28/14C04B24/28
Inventor 姚圣法吴海洋
Owner TIANSHUN GROUP
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