CN104927780A - Cold accumulating agent and preparation method thereof - Google Patents
Cold accumulating agent and preparation method thereof Download PDFInfo
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- CN104927780A CN104927780A CN201510394729.6A CN201510394729A CN104927780A CN 104927780 A CN104927780 A CN 104927780A CN 201510394729 A CN201510394729 A CN 201510394729A CN 104927780 A CN104927780 A CN 104927780A
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Abstract
The invention provides a cold accumulating agent and a preparation method thereof. The cold accumulating agent is composed of, by mass, 1%-8% of glycerol, 1%-5% of inulin, 1%-5% of gelatin, 1%-5% of thickening agent and a sodium chloride water solution. When the cold accumulating agent is prepared, the sodium chloride water solution is heated in a bath to be at the temperature of 70 DEG C, the temperature is kept constant, sodium alginate tech grade, gelatin, inulin and glycerol are sequentially added into the sodium chloride water solution, adding and stirring are performed at the same time when each component is added, and the next component is added after the added component is dissolved evenly; after all the components are added, uniform stirring is performed, the temperature is kept constant for 10 min, and cooling is performed to obtain the cold accumulating agent. The cold accumulating agent can be used repeatedly, and is thick, colloidal, good in fitness, large in latent heat, long in low-temperature duration time, easy to manufacture, low in cost, safe and free of toxicity.
Description
Technical field
The present invention relates to a kind of cold storage agent, particularly relate to a kind of specialty for the cold storage agent in clinical cold compress therapy.The present invention also comprises its preparation method.
Background technology
Cold storage agent be a kind of by organic or (with) translucent (or opaque) of forming of mineral compound, thickness colloidal mixture, can absorb at low temperatures and store a large amount of cold, and a large amount of cold can be released when temperature is higher, long period maintenance self and low temperature environment interior among a small circle around, cold storage agent is widely used in cold compress therapy.Cold compress therapy is placed in the certain position of human body with the object of refrigeration, local capillary vessel is shunk, alleviates local vascular hyperemia, have anti-inflammatory, hemostasis, pain relieving, skin heat radiation, reduce body temperature effect, thus reach the method for disease therapy, be mainly suitable for malaise symptoms from the beginning of first aid.Current cold storage agent ice bag clinically mainly contains two kinds: one is sodium-chlor ice bag, and this ice bag ice cube hardness is high, and little with body surface local organization contact area, be difficult to fix, low temperature is held time short, needs frequently to change; Another kind is self-cooled ice bag, be loaded on the middle airtight bag cut off by the sal soda added water and ammonium nitrate two kinds of raw materials to form, pull out horizontal folder, by after two kinds of raw material mixing, thermo-negative reaction occurs, reach refrigeration, but this kind of ice bag can only single use, waste raw material, and in handling process, easily damage horizontal folder and make ice bag lose effect to cause transport inconvenience.
summary of the invention:
The present invention aims to provide a kind of cold storage agent and preparation method thereof, and cold storage agent of the present invention can be reused, and for thickness glue can change shape as required after freezing, latent heat greatly, can maintain the low temperature of long period.
To achieve these goals, according to a kind of cold storage agent provided by the invention, be made up of glycerol, inulin, gelatin, thickening material, sodium chloride aqueous solution, each constituent mass degree is: glycerol 1%-8%, inulin 1%-5%, gelatin 1%-5%, thickening material 1%-5%, surplus is sodium chloride aqueous solution.
Preferably, also ammonium chloride is comprised.
Preferably, the mass percent of described ammonium chloride is 5%-10%.
Preferably, described thickening material is one or more in sodium alginate, sodium cellulose glycolate, sodium polyacrylate and carrageenin.
Preferably, described thickening material is sodium alginate.
Preferably, the massfraction of described sodium chloride aqueous solution is 5%-20%.
Preferably, described gelatin is animal gelatin.
Preferably, described gelatin is fishskin gelatin.
Preferably, each constituent mass degree is: glycerol 5%, inulin 5%, gelatin 7%, thickening material 3%, surplus to be massfraction be 15% sodium chloride aqueous solution.
The present invention also provides a kind of preparation method of cold storage agent, comprises the following steps:
(1) constant temperature is kept to carry out following operation to 70 DEG C sodium chloride aqueous solution heating in water bath;
(2) in the sodium chloride aqueous solution in step (1), add sodium alginate, limit edged stirs, and sodium alginate is uniformly dissolved completely;
(3) add gelatin to the solution in step (2), limit edged rapid stirring, makes gelatin be uniformly dissolved completely;
(4) add inulin in the mixed solution obtained to step (3), limit edged stirs, and inulin is also uniformly dissolved completely, obtains the gluey mixed solution of a kind of thickness;
(5) in the gluey mixed solution of thickness of step (4) gained, add glycerol to stir, insulation 10min, namely obtains cold storage agent of the present invention after cooling.
Advantage of the present invention is:
(1) cold storage agent is that thickness is gluey, can free change shape, and docile property is good, is unlikely to again mobility too strong, bad fixing.
(2) cold storage agent can be reused, and saves purchase cost.
(3) cold storage agent latent heat is large, can maintain the low-temperature condition of longer time.
(4) cold storage agent makes simple, and cost is low, safety non-toxic.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Embodiment
Below in conjunction with specific examples, the present invention is described in detail.
embodiment 1
A kind of cold storage agent in the present embodiment, the mass percentage content of each component is: glycerol is 2%, and inulin is 2%, gelatin 1%, sodium alginate 2%, surplus to be massfraction be 15% sodium chloride aqueous solution.
(1) by massfraction be 15% sodium chloride aqueous solution heating in water bath keep constant temperature to carry out following operation to 70 DEG C;
(2) in the sodium chloride aqueous solution in step (1), add sodium alginate, limit edged stirs, and sodium alginate is uniformly dissolved completely;
(3) add gelatin to the solution in step (2), limit edged rapid stirring, makes gelatin be uniformly dissolved completely;
(4) add inulin in the mixed solution obtained to step (3), limit edged stirs, and inulin is also uniformly dissolved completely, obtains the gluey mixed solution of a kind of thickness,
(5) in the gluey mixed solution of thickness of step (4) gained, add glycerol to stir, insulation 10min, namely obtains cold storage agent of the present invention after cooling.
Cold storage agent is placed in-20 DEG C of refrigerator 12h, cools for subsequent use.Measure the latent heat of phase change of different concns solution and transformation temperature with DSC thermal analyzer, the cold storage agent latent heat of phase change recording the present embodiment is 250Kj/Kg, and transformation temperature is 5 DEG C.
embodiment 2
A kind of cold storage agent in the present embodiment, the mass percentage content of each component is: glycerol is 5%, and inulin is 5%, gelatin 4%, sodium alginate 5%, surplus to be massfraction be 20% sodium chloride aqueous solution.The cold storage agent of the present embodiment is obtained according to step in embodiment 1.
Cold storage agent is placed in-20 DEG C of refrigerator 12h, cools for subsequent use.Measure the latent heat of phase change of different concns solution and transformation temperature with DSC thermal analyzer, the cold storage agent latent heat of phase change recording the present embodiment is 242Kj/Kg, and transformation temperature is 4 DEG C.
embodiment 3
A kind of cold storage agent in the present embodiment, the mass percentage content of each component is: glycerol is 3%, and inulin is 2%, gelatin 1%, sodium alginate 3%, ammonium chloride 10%, surplus to be massfraction be 20% sodium chloride aqueous solution.The cold storage agent of the present embodiment is obtained according to step in embodiment 1.
Cold storage agent is placed in-20 DEG C of refrigerator 12h, cools for subsequent use.Measure the latent heat of phase change of different concns solution and transformation temperature with DSC thermal analyzer, the cold storage agent latent heat of phase change recording the present embodiment is 273Kj/Kg, and transformation temperature is 4 DEG C.
embodiment 4
A kind of cold storage agent in the present embodiment, the mass percentage content of each component is: glycerol is 4%, and inulin is 2%, gelatin 1%, sodium alginate 3%, ammonium chloride 6%, surplus to be massfraction be 15% sodium chloride aqueous solution.The cold storage agent of the present embodiment is obtained according to step in embodiment 1.
Cold storage agent is placed in-20 DEG C of refrigerator 12h, cools for subsequent use.Measure the latent heat of phase change of different concns solution and transformation temperature with DSC thermal analyzer, the cold storage agent latent heat of phase change recording the present embodiment is 280Kj/Kg, and transformation temperature is 3 DEG C.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. a cold storage agent, is characterized in that, is made up of glycerol, inulin, gelatin, thickening material, sodium chloride aqueous solution, and each constituent mass degree is: glycerol 1%-8%, inulin 1%-5%, gelatin 1%-5%, thickening material 1%-5%, and surplus is sodium chloride aqueous solution.
2. a kind of cold storage agent according to claim 1, is characterized in that, also comprise ammonium chloride.
3. a kind of cold storage agent according to claim 2, is characterized in that, the mass percent of described ammonium chloride is 5%-10%.
4. a kind of cold storage agent according to claim 1, is characterized in that, described thickening material is one or more in sodium alginate, sodium cellulose glycolate, sodium polyacrylate and carrageenin.
5. a kind of cold storage agent according to claim 1, is characterized in that, described thickening material is sodium alginate.
6. a kind of cold storage agent according to claim 1, is characterized in that, the massfraction of described sodium chloride aqueous solution is 5%-20%.
7. a kind of cold storage agent according to claim 1, is characterized in that, described gelatin is animal gelatin.
8. a kind of cold storage agent according to claim 5, is characterized in that, described gelatin is fishskin gelatin.
9. a kind of cold storage agent according to claim 1, is characterized in that each constituent mass degree is: glycerol is 5%, and inulin is 5%, gelatin 7%, thickening material 3%, surplus to be massfraction be 15% sodium chloride aqueous solution.
10. the preparation method of a kind of cold storage agent according to any one of claim 1-7, is characterized in that, comprise the following steps:
(1) constant temperature is kept to carry out following operation to 70 DEG C sodium chloride aqueous solution heating in water bath;
(2) in the sodium chloride aqueous solution in step (1), add sodium alginate, limit edged stirs, and sodium alginate is uniformly dissolved completely;
(3) add gelatin to the solution in step (2), limit edged rapid stirring, makes gelatin be uniformly dissolved completely;
(4) add inulin in the mixed solution obtained to step (3), limit edged stirs, and inulin is also uniformly dissolved completely, obtains the gluey mixed solution of a kind of thickness;
(5) in the gluey mixed solution of thickness of step (4) gained, add glycerol to stir, insulation 10min, namely obtains cold storage agent of the present invention after cooling.
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| CN201510394729.6A CN104927780A (en) | 2015-07-08 | 2015-07-08 | Cold accumulating agent and preparation method thereof |
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| CN201510394729.6A CN104927780A (en) | 2015-07-08 | 2015-07-08 | Cold accumulating agent and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106543975A (en) * | 2016-12-11 | 2017-03-29 | 戴琪 | A kind of preparation method of low-cost bio matter composite phase-change agent for storage of coldness |
| CN110484215A (en) * | 2019-08-25 | 2019-11-22 | 湖南七纬科技有限公司 | A kind of cold chain cold-storage material and preparation method thereof |
| CN113372881A (en) * | 2021-05-25 | 2021-09-10 | 江苏金合能源科技有限公司 | Cold storage material for fruit and vegetable fresh keeping and preparation method thereof |
| CN114058336A (en) * | 2021-11-05 | 2022-02-18 | 中煤科工集团沈阳研究院有限公司 | Cold storage agent for mine cooling clothes and preparation method thereof |
| CN114316918A (en) * | 2021-12-22 | 2022-04-12 | 苏州安特实业有限公司 | Degradable biomass coolant and preparation method thereof |
| CN115368877A (en) * | 2022-09-15 | 2022-11-22 | 浙江大学 | Cold compress material and cold compress assembly based on same |
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| US5976400A (en) * | 1997-09-19 | 1999-11-02 | Thermo Solutions, Inc. | Phase change material and use |
| CN1493644A (en) * | 2003-09-09 | 2004-05-05 | 上海市印染技术研究所 | Environmental protection type cool storage medium |
| CN103725259A (en) * | 2013-12-16 | 2014-04-16 | 苏州安特实业有限公司 | Repeatedly-usable cold accumulation agent and preparation method thereof |
| CN104232025A (en) * | 2014-10-17 | 2014-12-24 | 广州大学 | Low-temperature composite phase change cold storage agent and preparation method thereof |
-
2015
- 2015-07-08 CN CN201510394729.6A patent/CN104927780A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5976400A (en) * | 1997-09-19 | 1999-11-02 | Thermo Solutions, Inc. | Phase change material and use |
| CN1493644A (en) * | 2003-09-09 | 2004-05-05 | 上海市印染技术研究所 | Environmental protection type cool storage medium |
| CN103725259A (en) * | 2013-12-16 | 2014-04-16 | 苏州安特实业有限公司 | Repeatedly-usable cold accumulation agent and preparation method thereof |
| CN104232025A (en) * | 2014-10-17 | 2014-12-24 | 广州大学 | Low-temperature composite phase change cold storage agent and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106543975A (en) * | 2016-12-11 | 2017-03-29 | 戴琪 | A kind of preparation method of low-cost bio matter composite phase-change agent for storage of coldness |
| CN110484215A (en) * | 2019-08-25 | 2019-11-22 | 湖南七纬科技有限公司 | A kind of cold chain cold-storage material and preparation method thereof |
| CN113372881A (en) * | 2021-05-25 | 2021-09-10 | 江苏金合能源科技有限公司 | Cold storage material for fruit and vegetable fresh keeping and preparation method thereof |
| CN114058336A (en) * | 2021-11-05 | 2022-02-18 | 中煤科工集团沈阳研究院有限公司 | Cold storage agent for mine cooling clothes and preparation method thereof |
| CN114316918A (en) * | 2021-12-22 | 2022-04-12 | 苏州安特实业有限公司 | Degradable biomass coolant and preparation method thereof |
| CN114316918B (en) * | 2021-12-22 | 2023-11-17 | 苏州安特实业有限公司 | Degradable biomass cold accumulation agent and preparation method thereof |
| CN115368877A (en) * | 2022-09-15 | 2022-11-22 | 浙江大学 | Cold compress material and cold compress assembly based on same |
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Application publication date: 20150923 |
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