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Coolant

A technology of cold storage agent and weight percentage, applied in the field of cold storage agent, can solve the problems of leakage, corrosion, poor cold storage capacity, etc., and achieve the effect of avoiding supercooling and phase separation, reasonable formula, and low phase transition temperature.

Active Publication Date: 2017-05-31
CHANGHONG MEILING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of the above-mentioned prior art, the present invention provides a cold storage agent, which aims to solve the problems of poor cold storage capacity, corrosion and leakage of inorganic cold storage agents

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0020] The cold storage agent of the present embodiment is composed of the following raw materials mixed in the following weight percentages:

[0021]

[0022] figure 1 It is the DSC test curve of the cold storage agent obtained in this example. It can be seen from the figure that the latent heat of phase change is 208J / g, and the phase change temperature is -13.8°C.

Embodiment 2

[0024] The cold storage agent of the present embodiment is composed of the following raw materials mixed in the following weight percentages:

[0025]

[0026] figure 2 It is the DSC test curve of the cold storage agent obtained in this example. It can be seen from the figure that the latent heat of phase change is 179J / g, and the phase change temperature is -17.6°C.

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Abstract

The invention discloses a coolant. The coolant is formed by mixing agar-agar, sodium carboxymethylcellulose, methoxy polyethylene glycol methacrylate, sodium hydroxide, sodium tetraborate decahydrate and water. The coolant disclosed by the invention is reasonable in formula, good in cold accumulation and environmental protection performance, low in phase-transition temperature and high in latent heat of phase change, and is very suitable for being applied in low temperature fields.

Description

technical field [0001] The invention relates to a cold storage agent. Background technique [0002] At present, inorganic phase-change materials are mostly used in refrigerators / freezers for cold storage. Although inorganic cool-storage agents have a large phase-change latent heat, they have the disadvantages of overcooling and phase separation during use, which affects the cold storage capacity. In addition, most inorganic salts are corrosive and are not suitable for refrigerators and home appliances. In addition, inorganic cooling agents are mostly in liquid form, and there is a risk of leakage during use. Contents of the invention [0003] In order to overcome the disadvantages of the above-mentioned prior art, the present invention provides a cold storage agent, aiming at solving the problems of poor cold storage capacity, corrosion and leakage of inorganic cold storage agents. [0004] The present invention solves technical problem, adopts following technical scheme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/06
CPCC09K5/066Y02E60/14
Inventor 蔡训儒吴园刘鹏张启花
Owner CHANGHONG MEILING CO LTD
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