CN103666384A - Nontoxic odorless cold accumulation agent and preparation method thereof - Google Patents
Nontoxic odorless cold accumulation agent and preparation method thereof Download PDFInfo
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- CN103666384A CN103666384A CN201310685654.8A CN201310685654A CN103666384A CN 103666384 A CN103666384 A CN 103666384A CN 201310685654 A CN201310685654 A CN 201310685654A CN 103666384 A CN103666384 A CN 103666384A
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- polyvinyl alcohol
- cold storage
- borax
- storage agent
- water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention discloses a nontoxic odorless cold accumulation agent and a preparation method thereof. The cold accumulation agent comprises polyvinyl alcohol, dipotassium phosphate, hydroxyethyl cellulose sodium, borax, lauryl sodium sulfate and water. The preparation method comprises the following steps: (A) preparing raw materials according to a ratio; (B) adding the polyvinyl alcohol into the water under the ice-bath condition, and fully stirring; (C) slowly dropwise adding the dipotassium phosphate and hydroxyethyl cellulose sodium into a solution obtained from the step (B) at the room temperature; (D) heating the solution obtained from the step (C) to 40-50 DEG C, slowly adding the lauryl sodium sulfate and borax in a high-speed stirring state, uniformly stirring at the room temperature, and naturally cooling to obtain the cold accumulation agent. The preparation method is simple, low in cost and more favorable for large-scale production; the cold accumulation agent is nontoxic, odorless and reusable; the phase-change latent heat is 260-320 KJ/Kg and the phase-change temperature is -10 DEG C to 4 DEG C.
Description
technical field:
The present invention relates to Cool Storage Technology field, be specifically related to a kind of nonpoisonous and tasteless cold storage agent and preparation method thereof.
background technology:
Cool Storage Technology is to utilize the effective means such as various physics, chemistry, machinery that cold is stored in cold storage agent, the process again cold of storage being discharged while needing.By this technology, produced and can efficiently be stored cold, this material that meets again various physics, chemistry requirement is referred to as cold storage agent.
Cool storage material is the key of Cool Storage Technology, though ice is the Nature, bestows a kind of Natural Cold Energy Storage agent to the mankind, although it has much valuable character, but still can not meet the increasing requirement of people.The problems such as existing cold storage agent ubiquity cold storage capacity is not enough, and Discharging time is shorter, and complicated process of preparation and use cost are higher.
summary of the invention:
The present invention seeks to, overcome the deficiency that above-mentioned prior art exists, a kind of nonpoisonous and tasteless cold storage agent and preparation method thereof is provided.
To achieve these goals, technical scheme of the present invention is as follows:
A cold storage agent, according to weight percent meter, comprises polyvinyl alcohol 15-20%, dipotassium hydrogen phosphate 1-3%, sodium hydroxyethyl cellulose 0.5-1.3%, borax 0.2-1.2%, sodium lauryl sulphate 2-6%, and surplus is water.
Described cold storage agent, according to weight percent meter, comprises polyvinyl alcohol 15%, dipotassium hydrogen phosphate 3%, sodium hydroxyethyl cellulose 0.5%, borax 0.2%, sodium lauryl sulphate 6%, water 75.3%.
Described cold storage agent, according to weight percent meter, comprises polyvinyl alcohol 20%, dipotassium hydrogen phosphate 1%, sodium hydroxyethyl cellulose 1.3%, borax 1.2%, sodium lauryl sulphate 2%, water 74.5%.
The preparation method of described cold storage agent, comprises following step:
(A) according to required ratio, be ready to polyvinyl alcohol, dipotassium hydrogen phosphate, sodium hydroxyethyl cellulose, borax, sodium lauryl sulphate and water standby;
(B) under condition of ice bath, polyvinyl alcohol is added to the water and is fully stirred, obtain polyvinyl alcohol water solution;
(C) at ambient temperature, in the polyvinyl alcohol water solution obtaining in step (B), slowly drip dipotassium hydrogen phosphate and sodium hydroxyethyl cellulose, stir rear standby;
(D) solution obtaining in step (C) is heated to 40-50 ℃, under high-speed stirring state, slowly adds sodium lauryl sulphate and borax, stir at ambient temperature, after naturally cooling, obtain described cold storage agent, after packing, obtain cold storage agent finished product.
Beneficial effect of the present invention is as follows:
1) preparation method of the present invention is simple, has reduced cost, more contributes to scale operation;
2) cold storage agent of the present invention is nontoxic, tasteless, reusable;
3) found through experiments, the latent heat of phase change of cold storage agent of the present invention is 260-320KJ/Kg, and transformation temperature is-10-4 ℃.
embodiment:
For technique means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with specific embodiment, further set forth the present invention.
Embodiment 1:
In the present embodiment, a kind of cold storage agent, according to weight percent meter, comprises polyvinyl alcohol 15%, dipotassium hydrogen phosphate 3%, sodium hydroxyethyl cellulose 0.5%, borax 0.2%, sodium lauryl sulphate 6%, water 75.3%.
The preparation method of described cold storage agent, is characterized in that, comprises following step:
(A) according to required ratio, be ready to polyvinyl alcohol, dipotassium hydrogen phosphate, sodium hydroxyethyl cellulose, borax, sodium lauryl sulphate and water standby;
(B) under condition of ice bath, polyvinyl alcohol is added to the water and is fully stirred, obtain polyvinyl alcohol water solution;
(C) at ambient temperature, in the polyvinyl alcohol water solution obtaining in step (B), slowly drip dipotassium hydrogen phosphate and sodium hydroxyethyl cellulose, stir rear standby;
(D) solution obtaining in step (C) is heated to 50 ℃, under high-speed stirring state, slowly adds sodium lauryl sulphate and borax, stir at ambient temperature, after naturally cooling, obtain described cold storage agent, after packing, obtain cold storage agent finished product.
1) preparation method of the present invention is simple, has reduced cost, more contributes to scale operation;
2) this cold storage agent is nontoxic, tasteless, reusable;
3) found through experiments, the latent heat of phase change of the present embodiment is 270KJ/Kg, and transformation temperature is-8 ℃.
Embodiment 2:
In this enforcement, a kind of cold storage agent, according to weight percent meter, comprises polyvinyl alcohol 20%, dipotassium hydrogen phosphate 1%, sodium hydroxyethyl cellulose 1.3%, borax 1.2%, sodium lauryl sulphate 2%, water 74.5%.
The preparation method of described cold storage agent, comprises following step:
(A) according to required ratio, be ready to polyvinyl alcohol, dipotassium hydrogen phosphate, sodium hydroxyethyl cellulose, borax, sodium lauryl sulphate and water standby;
(B) under condition of ice bath, polyvinyl alcohol is added to the water and is fully stirred, obtain polyvinyl alcohol water solution;
(C) at ambient temperature, in the polyvinyl alcohol water solution obtaining in step (B), slowly drip dipotassium hydrogen phosphate and sodium hydroxyethyl cellulose, stir rear standby;
(D) solution obtaining in step (C) is heated to 40 ℃, under high-speed stirring state, slowly adds sodium lauryl sulphate and borax, stir at ambient temperature, after naturally cooling, obtain described cold storage agent, after packing, obtain cold storage agent finished product.
1) preparation method of the present invention is simple, has reduced cost, more contributes to scale operation;
2) this cold storage agent is nontoxic, tasteless, reusable;
3) found through experiments, latent heat of phase change of the present invention is 300KJ/Kg, and transformation temperature is 0 ℃.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof
.
Claims (4)
1. a cold storage agent, is characterized in that, according to weight percent meter, comprises polyvinyl alcohol 15-20%, dipotassium hydrogen phosphate 1-3%, sodium hydroxyethyl cellulose 0.5-1.3%, borax 0.2-1.2%, sodium lauryl sulphate 2-6%, and surplus is water.
2. cold storage agent according to claim 1, is characterized in that, according to weight percent meter, comprises polyvinyl alcohol 15%, dipotassium hydrogen phosphate 3%, sodium hydroxyethyl cellulose 0.5%, borax 0.2%, sodium lauryl sulphate 6%, water 75.3%.
3. cold storage agent according to claim 1, is characterized in that, according to weight percent meter, comprises polyvinyl alcohol 20%, dipotassium hydrogen phosphate 1%, sodium hydroxyethyl cellulose 1.3%, borax 1.2%, sodium lauryl sulphate 2%, water 74.5%.
4. the preparation method of cold storage agent according to claim 1, is characterized in that, comprises following step:
(A) according to required ratio, be ready to polyvinyl alcohol, dipotassium hydrogen phosphate, sodium hydroxyethyl cellulose, borax, sodium lauryl sulphate and water standby;
(B) under condition of ice bath, polyvinyl alcohol is added to the water and is fully stirred, obtain polyvinyl alcohol water solution;
(C) at ambient temperature, in the polyvinyl alcohol water solution obtaining in step (B), slowly drip dipotassium hydrogen phosphate and sodium hydroxyethyl cellulose, stir rear standby;
(D) solution obtaining in step (C) is heated to 40-50 ℃, under high-speed stirring state, slowly adds sodium lauryl sulphate and borax, stir at ambient temperature, after naturally cooling, obtain described cold storage agent, after packing, obtain cold storage agent finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685654.8A CN103666384A (en) | 2013-12-16 | 2013-12-16 | Nontoxic odorless cold accumulation agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685654.8A CN103666384A (en) | 2013-12-16 | 2013-12-16 | Nontoxic odorless cold accumulation agent and preparation method thereof |
Publications (1)
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| CN103666384A true CN103666384A (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310685654.8A Pending CN103666384A (en) | 2013-12-16 | 2013-12-16 | Nontoxic odorless cold accumulation agent and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896822A (en) * | 2015-06-30 | 2015-09-09 | 黄琳 | Low-temperature chemical ice bag and preparation method thereof |
| CN106916570A (en) * | 2015-12-24 | 2017-07-04 | 上海邦中高分子材料有限公司 | A kind of combined phase-change energy storage material of high quality and at a reasonable price |
| CN107216861A (en) * | 2017-07-25 | 2017-09-29 | 合肥嘉仕诚能源科技有限公司 | A kind of compound agent for storage of coldness |
| CN108276967A (en) * | 2018-01-31 | 2018-07-13 | 安徽工业大学 | A kind of anti-leak cold-storage material and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063302A (en) * | 1992-01-16 | 1992-08-05 | 黑龙江商学院附属制冷设备厂 | Cold storage agent and preparation method |
| CN102942905A (en) * | 2012-11-20 | 2013-02-27 | 上海创始实业（集团）有限公司 | Low temperature phase change cool storage agent and preparation method thereof |
-
2013
- 2013-12-16 CN CN201310685654.8A patent/CN103666384A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1063302A (en) * | 1992-01-16 | 1992-08-05 | 黑龙江商学院附属制冷设备厂 | Cold storage agent and preparation method |
| CN102942905A (en) * | 2012-11-20 | 2013-02-27 | 上海创始实业（集团）有限公司 | Low temperature phase change cool storage agent and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896822A (en) * | 2015-06-30 | 2015-09-09 | 黄琳 | Low-temperature chemical ice bag and preparation method thereof |
| CN106916570A (en) * | 2015-12-24 | 2017-07-04 | 上海邦中高分子材料有限公司 | A kind of combined phase-change energy storage material of high quality and at a reasonable price |
| CN107216861A (en) * | 2017-07-25 | 2017-09-29 | 合肥嘉仕诚能源科技有限公司 | A kind of compound agent for storage of coldness |
| CN108276967A (en) * | 2018-01-31 | 2018-07-13 | 安徽工业大学 | A kind of anti-leak cold-storage material and preparation method thereof |
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Application publication date: 20140326 |
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