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Preparation method of phase-change emulsion for liquid-cooling garments

An emulsion and phase change technology, applied in chemical instruments and methods, clothing, clothing, etc., can solve the problems of reducing the wearing comfort of liquid-cooled clothing and affecting the heat dissipation efficiency of liquid-cooled clothing, achieving reduced size, low price, The effect of not easy to clog the pipe

Inactive Publication Date: 2017-11-17
芜湖启尊智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, most liquid-cooled clothing has the problem of condensed water. The existence of condensed water will not only affect the heat dissipation efficiency of the liquid-cooled clothing, but also greatly reduce the wearing comfort of the liquid-cooled clothing.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of phase change emulsion, comprises the raw material of following weight portion:

[0028] 10 parts of n-tetradecane, 40 parts of n-octadecane, 20 parts of TA-20 emulsifier, 6 parts of butyl stearate, 12 parts of polyvinyl alcohol and 120 parts of water.

[0029] The preparation method of this phase change emulsion comprises the steps:

[0030] (1) Polyvinyl alcohol is heated to be in a molten state, then 12 parts by weight of polyvinyl alcohol after heating and melting and 20 parts by weight of TA-20 emulsifier are added to a glass container, and magnetically stirred to form a homogeneous phase system A;

[0031] (2) Add 10 parts by weight of n-tetradecane, 40 parts by weight of n-octadecane and 120 parts by weight of distilled water into another glass container, and stir while adding to obtain system B;

[0032] (3) Slowly add A to B dropwise. After the dropwise addition, heat it in a constant temperature water bath to 30°C, then add 6 parts by weight of butyl...

Embodiment 2

[0034] A kind of phase change emulsion, comprises the raw material of following weight portion:

[0035] 20 parts of n-tetradecane, 60 parts of n-octadecane, 20 parts of TA-20 emulsifier, 10 parts of Tween 20, 8 parts of butyl stearate, 15 parts of polyvinyl alcohol and 150 parts of water.

[0036] The preparation method of this phase change emulsion comprises the steps:

[0037] (1) Polyvinyl alcohol is heated to be in a molten state, then 15 parts by weight of polyvinyl alcohol after heating and melting, 10 parts by weight of Tween 20 and 20 parts by weight of TA-20 emulsifier are added to a glass container, and magnetically stirred to form a homogeneous phase System A;

[0038] (2) Add 20 parts by weight of n-tetradecane, 60 parts by weight of n-octadecane and 150 parts by weight of distilled water into another glass container, and stir while adding to obtain system B;

[0039] (3) Slowly add A to B dropwise. After the dropwise addition, heat it in a constant temperature ...

Embodiment 3

[0041] A kind of phase change emulsion, comprises the raw material of following weight portion:

[0042] 20 parts of n-tetradecane, 40 parts of n-octadecane, 25 parts of TA-20 emulsifier, 5 parts of Tween 20, 10 parts of butyl stearate, 15 parts of polyvinyl alcohol and 180 parts of water.

[0043] The preparation method of this phase change emulsion comprises the steps:

[0044] (1) Polyvinyl alcohol is heated to be in a molten state, then 15 parts by weight of polyvinyl alcohol after heating and melting, 5 parts by weight of Tween 20 and 25 parts by weight of TA-20 emulsifier are added to a glass container, and magnetically stirred to form a homogeneous phase System A;

[0045] (2) Add 20 parts by weight of n-tetradecane, 40 parts by weight of n-octadecane and 180 parts by weight of distilled water into another glass container, and stir while adding to obtain system B;

[0046] (3) Slowly add A to B dropwise. After the dropwise addition, heat it in a constant temperature w...

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PUM

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Abstract

The invention discloses a preparation method of phase-change emulsion for liquid-cooling garments. The preparation method comprises the following steps that (1) by weight, 10-20 parts of polyving akohol molten in a heated mode and 20-30 parts of an emulsifying agent are mixed and stirred evenly, and a system A is obtained; (2) by weight, 10-20 parts of n-tetradecane, 40-80 parts of n-octadecane and 100-200 parts of distilled water are added into another glass container and stirred at the same time, and a system B is obtained; and (3) the system A is dropwise added into the system B, then 6-10 parts of butyl stearate by weight is added, stirring and emulsifying are conducted, and the phase-change emulsion is obtained. The phase-change emulsion prepared according to the preparation method is relatively lower in viscosity, has the resistance reducing characteristic, and is not prone to blocking a pipeline, and the pump consumption is reduced.

Description

technical field [0001] The invention belongs to the technical field of heat transfer materials, and in particular relates to a preparation method of a phase-change emulsion for liquid-cooled clothing. Background technique [0002] The cooling media of the existing liquid cooling suits are various forms of cooling liquids, such as water, ice-water mixtures, mixed liquids composed of vinyl glycol and water, and various freezing liquids. In order to improve heat dissipation efficiency and effective working time, basically all liquid-cooled clothing adopts the method of lowering the temperature of the cooling liquid at present, and the temperature of the cooling liquid is usually zero degrees or below zero degrees. In order to improve heat transfer efficiency, the heat exchange pipeline network of liquid cooling clothing is usually close to the skin or separated by a thin layer of fabric. At zero or lower coolant temperature, the temperature of the human skin will be too low, ma...

Claims

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Application Information

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IPC IPC(8): C09K5/06A41D13/005
CPCC09K5/066A41D13/0053
Inventor 唐小华
Owner 芜湖启尊智能科技有限公司
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