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Применить Всего найдено 4. Отображено 4.
06-06-2023 дата публикации

Phase change cold storage material and preparation method of phase change cold storage module

Номер: CN116218475A
Автор: ZENG ZHIYONG, ZHANG BANG, CUI XIAOMIN, LAI WEICONG, LONG KAI, LI ZHIMIN
Принадлежит:

The invention discloses a phase change cold storage material and a preparation method of a module of the phase change cold storage material. The phase change material is prepared from the following raw materials in parts by weight: 30-55 parts of water, 35-55 parts of sodium sulfate, 5-25 parts of a phase change temperature regulator, 2-4 parts of a nucleating agent, 1-3 parts of an environment regulator, 1-3 parts of a nano material, 1-4 parts of a thickening agent and 2-4 parts of a dispersing agent. According to the preparation method of the phase-change material module, the problem of phase-change material modular production is solved, continuous production of the phase-change material module can be achieved, and the production efficiency is high; the preparation cost of the phase-change material module is reduced, and popularization and application of the phase-change material are facilitated; the process technology disclosed by the invention can be used for producing the phase-change ...

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Номер записи: 1
27-06-2023 дата публикации

Low-temperature cold storage phase change material and preparation method thereof

Номер: CN116333690A
Автор: ZENG ZHIYONG, LAI WEICONG, LONG KAI, ZHANG BANG, LI ZHIMIN, CUI XIAOMIN
Принадлежит:

The invention discloses a low-temperature cold-storage phase-change material with a constant phase-change temperature of-15 to-10 DEG C. The low-temperature cold-storage phase-change material is prepared from the following raw materials in parts by weight: 45-50 parts of a main body material which is water and 42-50 parts of a temperature adjusting material, the temperature adjusting material comprises 35-40 parts of potassium chloride and 7-10 parts of sodium sulfate, and the main body material is water. The heat conduction reinforcing material is nano graphite powder, the nucleating agent is borax, the thickening agent is 3-5 parts, and the thickening agent is selected from sodium carboxymethyl cellulose, carboxymethyl cellulose and hydroxyethyl cellulose. The invention provides a novel inorganic ultralow-temperature cold storage material which is high in phase change latent heat, free of volatilization, good in stability, non-toxic, harmless and non-hazardous chemical substances; compared ...

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Номер записи: 2
02-05-2023 дата публикации

Low-temperature cold storage phase change material at temperature ranging from minus 35 DEG C to minus 46 DEG C and preparation method thereof

Номер: CN116042185A
Автор: ZENG ZHIYONG, LONG KAI, ZHANG BANG, CUI XIAOMIN, LAI WEICONG, LI ZHIMIN
Принадлежит:

The invention discloses a low-temperature cold storage phase change material which is prepared from the following raw materials in parts by weight: 25-35 parts of a main body material, 5-15 parts of a temperature adjusting material, 1-3 parts of a nucleating agent, 1-3 parts of a heat conduction reinforcing material, 1-3 parts of a thickening agent and 40-65 parts of a solvent, wherein the main body material is anhydrous calcium chloride; the temperature adjusting material is one or more of magnesium chloride, ethylene glycol and urea; the nucleating agent is one or two of nano silicon dioxide and strontium chloride hexahydrate; the heat-conducting reinforcing material is expanded graphite and is used for reinforcing the heat-conducting property of the material; the thickening agent is one or more of carboxymethyl cellulose, hydroxyethyl cellulose, sodium carboxymethyl cellulose, polyacrylamide and super absorbent resin; the solvent is deionized water. The novel inorganic ultralow-temperature ...

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Номер записи: 3
01-08-2023 дата публикации

Ultralow-temperature cold storage phase change material and preparation method thereof

Номер: CN116515460A
Автор: ZENG ZHIYONG, LI ZHIMIN, ZHANG BANG, LAI WEICONG, LONG KAI, CUI XIAOMIN
Принадлежит:

The invention discloses an ultralow-temperature cold storage phase change material and a preparation method thereof. The ultralow-temperature cold storage phase change material is prepared from the following raw materials in parts by weight: 23-25 parts of a temperature adjusting material, 2-4 parts of a dispersing agent, 59-67 parts of a main body material, 5-7 parts of a heat conduction reinforcing material and 3-5 parts of a thickening agent, the temperature adjusting material is lithium chloride, the dispersing agent is diethylene glycol, the main body material is water, the heat conduction reinforcing material is titanium dioxide or expanded graphite, and the thickening agent is selected from carboxymethyl cellulose, hydroxyethyl cellulose, sodium carboxymethyl cellulose, polyacrylamide, hydroxypropyl methyl cellulose, xanthan gum and sodium polyacrylate. The ultralow-temperature cold-storage phase-change material provided by the invention has a constant phase-change temperature of ...

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Номер записи: 4