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A kind of organic phase change heat storage material and its production method

A heat storage material and production method technology, applied in the field of composite materials, can solve the problems of easy leakage of phase change materials, high raw material prices, and many steps, and achieve a good appearance effect

Inactive Publication Date: 2015-10-07
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still some technical defects in the prior art, such as easy leakage of phase change materials, poor service life, high raw material prices, many steps, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0083] Example 1: Production of Organic Phase Change Heat Storage Materials

[0084] The implementation steps of this embodiment are as follows:

[0085] A. Preparation of organic phase change material emulsion

[0086] Mix 5 parts by weight of capric acid organic phase-change heat storage material with 1 part by weight of a complex emulsifier composed of SPAN-80 and TWEEN-80 according to a weight ratio of 1:0.6, and then heat and melt at a temperature of 30 ° C at a rotating speed of 80 rev / min and stir for 6 min, then add 55 parts by weight of deionized water to the mixture, stir and emulsify, and cool to obtain an organic phase change material emulsion;

[0087] B. Preparation of organic phase change heat storage materials

[0088] 25 parts by weight of the organic phase change material emulsion prepared in step A and 2 parts by weight of glass fiber inorganic fibers with a size of 10 mm were added to 70 parts by weight of anhydrous phosphogypsum powder, stirred evenly, a...

Embodiment 2

[0090] Example 2: Production of Organic Phase Change Heat Storage Materials

[0091] The implementation steps of this embodiment are as follows:

[0092] A. Preparation of organic phase change material emulsion

[0093] Mix 28 parts by weight of the lauric acid organic phase change heat storage material with 8 parts by weight of a compound emulsifier composed of SPAN-80 and TWEEN-80 in a weight ratio of 1:1.1, and then heat and melt at a temperature of 80 ° C at a rotating speed of 120 rev / min and stir for 8min, then add 86 parts by weight of deionized water to the mixture, stir and emulsify, and cool to obtain an organic phase change material emulsion;

[0094] B. Preparation of organic phase change heat storage materials

[0095] 62 parts by weight of the organic phase change material emulsion prepared in step A and 4 parts by weight of calcium carbonate whisker inorganic fibers with a size of 2 mm were added to 32 parts by weight of anhydrous phosphogypsum powder, stirred e...

Embodiment 3

[0097] Example 3: Production of Organic Phase Change Heat Storage Materials

[0098] The implementation steps of this embodiment are as follows:

[0099] A. Preparation of organic phase change material emulsion

[0100] Mix 16 parts by weight of paraffin organic phase change heat storage material with 4 parts by weight of a compound emulsifier consisting of SPAN-80 and TWEEN-80 in a weight ratio of 1:0.8, and then heat and melt at a temperature of 52 ° C at a speed of 100 rpm Stir evenly for 5 minutes per minute, then add 70 parts by weight of deionized water to the mixture, stir and emulsify, and cool to obtain an organic phase change material emulsion;

[0101] B. Preparation of organic phase change heat storage materials

[0102] 42 parts by weight of the organic phase change material emulsion prepared in step A and 1 part by weight of calcium sulfate whisker inorganic fibers with a size of 6 mm were added to 50 parts by weight of anhydrous phosphogypsum powder, stirred e...

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Abstract

The invention relates to an organic phase change thermal storage material and a production method thereof. The method comprises the following steps: preparing organic phase change material emulsion, preparing an organic phase change thermal storage material and the like. According to the method, the problems of dispersion and compatibility of the organic phase change material in ardealite are effectively solved, the prepared ardealite composite phase change energy storage material is stable in performance, the organic phase change material difficultly diffuses, and the adopted technical scheme is simple in steps and easy to implement. The technology can be widely applied to a process of compounding gypsum materials and organic phase change materials and has good application prospects.

Description

【Technical field】 [0001] The invention belongs to the technical field of composite materials. More specifically, the present invention relates to an organic phase change heat storage material, and the present invention also relates to a production method of the organic phase change heat storage material. 【Background technique】 [0002] With the rapid development of my country's national economy, energy problems are becoming more and more prominent. How to efficiently utilize the energy generated by energy has become an important issue related to the sustainable development of our country. [0003] Energy storage technology is a technical means that uses physical or chemical methods to achieve energy storage and on-demand release. The use of energy storage technology can solve the contradiction between energy supply and demand in time and space, and is an effective means to improve energy utilization. Energy storage technology mainly includes the storage of mechanical ener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K5/06
Inventor 汤建伟芦雷鸣化全县刘咏刘丽杨帅远
Owner ZHENGZHOU UNIV
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