CN102827588A - Energy-saving temperature-control phase-change material - Google Patents
Energy-saving temperature-control phase-change material Download PDFInfo
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- CN102827588A CN102827588A CN 201210355535 CN201210355535A CN102827588A CN 102827588 A CN102827588 A CN 102827588A CN 201210355535 CN201210355535 CN 201210355535 CN 201210355535 A CN201210355535 A CN 201210355535A CN 102827588 A CN102827588 A CN 102827588A
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Abstract
The invention relates to an energy-saving temperature-control phase-change material. The energy-saving temperature-control phase-change material is characterized by comprising compositions in percentage by weight: 50-90% of phase-change host, 1-40% melting point control agent, 0.1-10% nucleating agent, 5-15% of crystal modifier and the balance of water. Crystallized hydrated salt phase-change material has the advantages that raw materials are easily available, the price is low, the energy density is large and the like, and the defects of being supercooling, carrying out phase separating, blocking and the like also seriously hinders the popularization and application. The phase-change host is of crystallized hydrated salt, has fixed melting point, the phase-change temperature is regulated through adding the melting point control agent so as to be capable of completing meeting the requirement of normal application. The phase-change crystal particles are fine through adding the crystal modifier, phase separation can also be prevented, attenuation is slowed down, the stability of the phase-change materials is improved, and the service life of the product is prolonged.
Description
Technical field
The present invention relates to a kind of phase change material, particularly relate to a kind of energy-conservation temperature control phase change material.
Background technology
The storage (cold-storage, accumulation of heat) that utilizes the latent heat of phase change of phase change material PCM (Phase Change Materials) to carry out energy is an environment-friendly energy-saving technology.The supply of the energy and the time warping contradiction of using existence to be difficult to be in harmonious proportion are utilized the accumulation of energy effect of phase change material, can alleviate this contradiction, effectively improve utilization efficiency of energy.Crystalline hydrate salt phase transformation material has that raw material is easy to get, cheap, advantage such as energy storage density is big, but cold excessively, be separated and shortcoming such as caking has also seriously hindered it and applies.For solve crystalline hydrate salt phase transformation material cold excessively, be separated and problem such as caking, can add nucleator and crystalline form regulator etc.In addition, its fusing point of phase change material main body is fixed, and most of not in the TR that is suitable for, and needs to add the fusing point control agent, regulates transformation temperature, makes it can satisfy the application of various occasions.
Chinese invention patent CN 1460.702A has proposed a kind of preparation method of phase change material; The urea of sodium acetate trihydrate and 30-50% that with mass ratio is 50-70% is by proportioning weighing and uniform mixing; Heating and constantly stirring obtain transparent mixture in 65-80 ℃ water bath with thermostatic control.This material preparation method is simple, raw material is easy to get, with low cost.(open equality in the third of the twelve Earthly Branches, Chinese invention patent, CN 1460702A, 2003.12.10).Chinese invention patent CN 102161882A discloses a kind of phase-change constant-temperature material, and its body material is a saltcake, adds an amount of nucleator, thickening material, dispersion agent and water, gets final product after stirring.And process a kind of pad as stopping composition.(Zhang Zhi, Chinese invention patent, CN 102161882A, 2011.08.24).Tang Zhiwei etc. are with Triple Pressed Stearic Acid and Na
2HPO
412H
2O is 2: 3 with mass ratio, and to add mass percent simultaneously be 1% SEPIGEL 305, carries out physics and merges, and as recuperation layer, processes phase-change accumulation energy heat pad.This heat pad product stability is good, and has the good exothermicity of holding.(Tang Zhiwei etc., Chinese invention patent, CN 102173114A, 2011.09.07).
At present the main drawback of crystalline hydrate salt phase transformation material be cold, be separated, also have caking etc.To these problems, there have been patent and report to propose some solutions, but existing method or too simple, or only be directed against problem in a certain respect, not can solve above-mentioned shortcoming.
Comprehensive considering various effects of the present invention through in phase transformation host, adding fusing point control agent, nucleator, crystalline form regulator, is eliminated or has been improved the restricted of this kind phase change material largely.
Summary of the invention
The purpose of this invention is to provide a kind of energy-conservation temperature control phase change material, with eliminate or improve crystalline hydrate salt phase change material cold excessively, be separated and problem such as caking.This phase change material raw material is easy to get, latent heat is big, stable performance, rate of fall-off are little.In addition, the preparation method of this phase change material simply, operate, be convenient to application easily.
The objective of the invention is to realize through following technical scheme:
A kind of energy-conservation temperature control phase change material, it is made up of following components in weight percentage: the phase transformation host of 50-90%, the fusing point control agent of 1-40%, the nucleator of 0.1-10%, the crystalline form regulator of 0.5-15%, excess water.And make as follows:
(1) takes by weighing a certain amount of phase transformation host by proportioning, add in the stirrer, start stirring, 60r/min;
(2) taking by weighing the fusing point control agent of 1-40%, the nucleator of 0.1-10%, the crystalline form regulator of 0.5-15% respectively slowly adds in the phase transformation host;
(3) said mixture, mix 15min after, slowly add excess water, continue to stir 15min, mixing gets thick finished product.
A kind of energy-conservation temperature control phase change material provided by the present invention:
1. described phase transformation host is Na
2HPO
412H
2O, K
3PO
47H
2O, Na
3PO
412H
2O, Na
2SO
410H
2O, FeSO
47H
2O, MgSO
47H
2O, ZnSO
47H
2O, CH
3COONa3H
2O, CH
3COONa2H
2O, CH
3COOLi2H
2O, Mg (NO
3)
26H
2O, Mg (NO
3)
24H
2O, Ca (NO
3)
24H
2O, Zn (NO
3)
24H
2O, Zn (NO
3)
26H
2O, Ni (NO
3)
26H
2O, LiNO
33H
2O, Na
2CO
312H
2O, Na
2CO
310H
2O, CaCl
26H
2O, MgCl
26H
2O, FeCl
36H
2O, CaBr
26H
2O, KF4H
2O, KF2H
2O, Na
2S
2O
35H
2O, Ba (OH)
28H
2O, NH
4Al (SO
4)
212H
2O, KAl (SO
4)
212H
2Among the O one or both or two or more combinations.
2. described fusing point control agent is NaCl, KCl, NH
4Cl, (NH
4)
2SO
4, NH
4Br, NaOH, K
2SO
4, CH
3CONH
2, CO (NH
2)
2In one or both or two or more combinations.
3. described nucleator is Na
2SeO
410H
2O, Na
2CrO
410H
2O, Na
2B
4O
710H
2O, Na
4P
2O
710H
2O, Na
4P
2O
7, BaCO
3, BaS, ZnO, CaCO
3, CaSO
4, Zn (CH
3COO)
2, Pb (CH
3COO)
2, Zn (OH)
2, Ca (OH)
2, graphite, carbon black, SiO
2, one or both or two or more combinations in the PE powder.
4. described crystalline form regulator is a gelatin; XG 550; Xylo-Mucine; Natvosol; Vltra tears; ROHM; ZX-I; Polyacrylic acid potassium; ROHM ammonia; SEPIGEL 305; Z 150PH; Polyoxyethylene glycol; W 166; Poly carboxylic acid; The acrylic acid multipolymer; Vinylpyrrolidone polymer; Polymaleic acid; HPMA; Polyquaternium; Poly-phosphate; Starch; Treated starch; Chitosan; Sodium hexametaphosphate 99; Activated clay; Zeyssatite; Kaolin; Polynite; Flyash; Wood chip; Paper scrap; Polyurethane foam; Polystyrene foam; Expanded polyolefin; Polyvinyl chloride foam; Paraffin; Palmitinic acid; In the lipid acid one or both or two or more combinations.
The energy-conservation temperature control phase change material that the present invention makes can be used as stopping composition and processes mattress, seat cushion, back cushion, bolster, ice scarf, Cooling cap, ice-cold brassiere, cooling clothes.The used coating material of these goods is plastics film, aluminum-plastic composite membrane, applied one or both or two or more combinations in the fabric of rubber or PVC.This phase change material also can potting in building masonry wall, regulate room temp automatically.
Embodiment
Below in conjunction with specific embodiment the present invention is described further.
Embodiment 1
(1) takes by weighing 150 kilograms of Na
2HPO
412H
2O adds in the 200L stirrer, starts stirring, 60r/min.Add 2 kilograms of NaCl, 1 kilogram of carbon black, 2 kilograms of Xylo-Mucines behind the mixing 15min, add 10 kg of water again, continue to stir 15min, and mixing gets thick product.
(2) 30 kilograms of materials of making are added in the canning machine hoppers, cannedly advance to make in advance in the compound cloth bag of effigurate PVC, canned amount 600 gram/bags are sealed sack, obtain ice-cold cushion.
Embodiment 2
(1) takes by weighing 150 kilograms of Na
2SO
410H
2O adds in the 200L stirrer, starts stirring, 60r/min.Add 2.5 kilograms of NaCl, 2 kilograms of Na
2B
4O
710H
2O, 2 kilograms of Xylo-Mucines behind the mixing 15min, add 10 kg of water again, continue to stir 15min, and mixing gets thick product.
(2) 30 kilograms of materials of making are added in the canning machine hoppers, cannedly advance to make in advance in the compound cloth bag of effigurate PVC, canned amount 600 gram/bags are sealed sack, obtain ice-cold cushion.
Embodiment 3
(1) takes by weighing 150 kilograms of Na
2SO
410H
2O adds in the 200L stirrer, starts stirring, 60r/min.Add 2.5 kilograms of NaCl, 2 kilograms of Na
2B
4O
710H
2O, 1 kilogram of Xylo-Mucine, 1 kilogram of ZX-I behind the mixing 15min, adds 15 kg of water again, continues to stir 15min, and mixing gets thick product.
(2) 30 kilograms of materials of making are added in the canning machine hoppers, cannedly advance to make in advance in the compound cloth bag of effigurate PVC, canned amount 100 gram/bags are sealed sack, obtain ice-cold scarf.
Embodiment 4
(1) takes by weighing 100 kilograms of CH
3COONa3H
2O adds in the 200L stirrer, starts stirring, 60r/min.Add 2 kilograms of KCl, 2 kilograms of Na
4P
2O
710H
2O, 2.5 kilograms of gelatin behind the mixing 15min, add 5 kg of water again, continue to stir 15min, and mixing gets thick product.
(2) 30 kilograms of materials that make are added in the canning machine hopper, canned advance making in advance in the effigurate PE bag film, canned amount 800 gram/bags are put into the compound cloth bag of ready made effigurate PVC again, seal sack, obtain ice-cold cushion.
More than specific embodiment of the present invention is described.It will be appreciated that the present invention is not limited to above-mentioned specific implementations, all equalizations of doing according to application range of the present invention change and improve etc., all should belong within the patent coverage of the present invention.
Claims (8)
1. an energy-conservation temperature control phase change material is characterized in that it is made up of following components in weight percentage: the phase transformation host of 50-90%, the fusing point control agent of 1-40%, the nucleator of 0.1-10%, the crystalline form regulator of 0.5-15%, excess water.
2. energy-conservation temperature control phase change material according to claim 1 is characterized in that: described phase transformation host is Na
2HPO
412H
2O, K
3PO
47H
2O, Na
3PO
412H
2O, Na
2SO
410H
2O, FeSO
47H
2O, MgSO
47H
2O, ZnSO
47H
2O, CH
3COONa3H
2O, CH
3COONa2H
2O, CH
3COOLi2H
2O, Mg (NO
3)
26H
2O, Mg (NO
3)
24H
2O, Ca (NO
3)
24H
2O, Zn (NO
3)
24H
2O, Zn (NO
3)
26H
2O, Ni (NO
3)
26H
2O, LiNO
33H
2O, Na
2CO
312H
2O, Na
2CO
310H
2O, CaCl
26H
2O, MgCl
26H
2O, FeCl
36H
2O, CaBr
26H
2O, KF4H
2O, KF2H
2O, Na
2S
2O
35H
2O, Ba (OH)
28H
2O, NH
4Al (SO
4)
212H
2O, KAl (SO
4)
212H
2Among the O one or both or two or more combinations.
3. energy-conservation temperature control phase change material according to claim 1 is characterized in that: described fusing point control agent is NaCl, KCl, NH
4Cl, (NH
4)
2SO
4, NH
4Br, NaOH, K
2SO
4, CH
3CONH
2, CO (NH
2)
2In one or both or two or more combinations.
4. energy-conservation temperature control phase change material according to claim 1 is characterized in that: described nucleator is Na
2SeO
410H
2O, Na
2CrO
410H
2O, Na
2B
4O
710H
2O, Na
4P
2O
710H
2O, Na
4P
2O
7, BaCO
3, BaS, ZnO, CaCO
3, CaSO
4, Zn (CH
3COO)
2, Pb (CH
3COO)
2, Zn (OH)
2, Ca (OH)
2, graphite, carbon black, SiO
2, one or both or two or more combinations in the PE powder.
5. energy-conservation temperature control phase change material according to claim 1 is characterized in that: described crystalline form regulator is one or both or the two or more combination in gelatin, XG 550, Xylo-Mucine, Natvosol, Vltra tears, ROHM, ZX-I, polyacrylic acid potassium, ROHM ammonia, SEPIGEL 305, Z 150PH, polyoxyethylene glycol, W 166, poly carboxylic acid, acrylic acid multipolymer, Vinylpyrrolidone polymer, polymaleic acid, HPMA, polyquaternium, poly-phosphate, starch, treated starch, chitosan, Sodium hexametaphosphate 99, activated clay, zeyssatite, kaolin, polynite, flyash, wood chip, paper scrap, polyurethane foam, polystyrene foam, expanded polyolefin, polyvinyl chloride foam, paraffin, palmitinic acid, the lipid acid.
6. energy-conservation temperature control phase change material according to claim 1 is characterized in that: this phase change material can be used as stopping composition and processes mattress, seat cushion, back cushion, bolster, ice scarf, Cooling cap, ice-cold brassiere, cooling clothes.
7. mattress according to claim 6, seat cushion, back cushion, bolster, ice scarf, Cooling cap, ice-cold brassiere, cooling clothes; It is characterized in that used coating material is plastics film, aluminum-plastic composite membrane, applied one or both or two or more combinations in the fabric of rubber or PVC.
8. energy-conservation temperature control phase change material according to claim 1 is characterized in that: this phase change material can potting in building masonry wall, regulate room temp automatically.
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