CN110713728B - Preparation method of paraffin-SEBS thermoplastic elastomer composite phase change material - Google Patents
Preparation method of paraffin-SEBS thermoplastic elastomer composite phase change material Download PDFInfo
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- CN110713728B CN110713728B CN201910951534.5A CN201910951534A CN110713728B CN 110713728 B CN110713728 B CN 110713728B CN 201910951534 A CN201910951534 A CN 201910951534A CN 110713728 B CN110713728 B CN 110713728B
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- 239000012782 phase change material Substances 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 229920002725 thermoplastic elastomer Polymers 0.000 title claims abstract description 14
- 239000012188 paraffin wax Substances 0.000 claims abstract description 36
- 239000004033 plastic Substances 0.000 claims abstract description 14
- 229920003023 plastic Polymers 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001179 sorption measurement Methods 0.000 claims abstract description 9
- 238000001035 drying Methods 0.000 claims description 5
- 238000005470 impregnation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 23
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000002156 mixing Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 14
- 239000012071 phase Substances 0.000 description 13
- 238000004146 energy storage Methods 0.000 description 10
- 239000012074 organic phase Substances 0.000 description 8
- 239000011232 storage material Substances 0.000 description 8
- 238000005338 heat storage Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052901 montmorillonite Inorganic materials 0.000 description 2
- 238000001878 scanning electron micrograph Methods 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- -1 styrene-ethylene-butylene-styrene Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011206 ternary composite Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
- C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Packages (AREA)
Abstract
The invention discloses a preparation method of a paraffin-SEBS thermoplastic elastomer composite phase-change material, which comprises, by weight, 30-80 parts of phase-change paraffin and 20-70 parts of SEBS elastic plastics. The invention has the beneficial effects of solving the blank of the existing flexible composite phase change material in the market, along with strong adsorption capacity and large phase change enthalpy value. In addition, the phase change materials with controllable phase change temperature can be obtained by blending the mass ratio of the phase change materials with different brands, so that the application field of the paraffin-based composite phase change material is further widened, and the method has good economic benefit.
Description
Technical Field
The invention relates to the field of energy-saving energy storage materials, in particular to a preparation method of a paraffin-SEBS thermoplastic elastomer composite phase change material.
Background
Along with the continuous development of world economy, the industrial energy consumption is continuously increased, and the problems of energy crisis and environmental pollution caused by the consumption of traditional fossil energy are promoted to improve the utilization efficiency of fossil energy and develop new energy sources such as strong wind energy, solar energy, geothermal energy and the like. The heat storage technology is an effective means for realizing efficient utilization of resources, and plays an important role in new energy sources such as solar energy and the like and electric power development as peak shifting, valley filling and the like.
The core of the heat storage technology is an energy storage material, and the phase change material absorbs a large amount of heat energy by utilizing the phase change of substances, which is also called latent heat energy storage. The phase change material has the advantages of small temperature change, high heat storage density and the like in a heat storage mode by utilizing the phase change latent heat of the phase change material, and is the material with the most application prospect in all heat storage materials.
The phase change energy storage material comprises two main types of inorganic phase change materials and organic phase change materials, and the inorganic phase change materials are easy to have defects of supercooling, phase separation, corrosion and the like, so that the application of the phase change energy storage material in a phase change energy storage system is limited. The organic phase change energy storage material has the advantages of basically no supercooling, stable performance, no corrosion and the like, and is widely researched and applied. However, the organic phase change energy storage material is liable to leak, and packaging of the material is considered in practical use. The microcapsule phase change material prepared by the Chinese patent application 102127395A solves the technical problems of low paraffin doping amount, poor energy storage performance and easy leakage, but has complex preparation process. The Chinese patent application 102531506A obtains the composite phase change material by stirring and mixing the porous matrix and the paraffin phase change material, and the method overcomes the defects of complex process, high cost and the like of the encapsulation method. Chinese patent application 103694963A discloses a paraffin composite phase change material prepared by taking graphitized carbon microspheres as a carrier, wherein the carrier has higher heat conductivity coefficient, but the preparation method is complex and tedious and needs further improvement.
The composite phase change energy storage material can effectively overcome the defect of leakage of the organic phase change material, regulate and control the heat conductivity coefficient of the organic phase change material and improve the application effect of the organic phase change material. Chinese patent application 101429423A firstly carries out organic modification on montmorillonite, kaolin and other layered silicate, and then obtains the paraffin-based composite phase-change material by an intercalation method, thereby solving the problem of leakage of the organic phase-change material, and the phase-change enthalpy of the composite phase-change material is 157J/g. Chinese patent application 101348626A provides a preparation method of a composite phase-change material for a temperature-regulating coating, wherein expanded perlite, attapulgite and the like are adopted to compound an organic phase-change material by a vacuum adsorption impregnation method, and the phase-change enthalpy of the obtained composite phase-change material is 127J/g. Chinese patent application 102212339A provides a ternary composite preparation method of an expanded graphite/montmorillonite/paraffin nano-sizing phase-change material, and the obtained material has high thermal conductivity and stable phase change, but the phase change stewed value is relatively low, and the maximum value reaches 159J/g.
According to the report of elastic plastics in the prior literature, fibers such as SEBS and the like have good flexibility, and the flexibility of the material can widen the application range of the composite phase change material, such as the fields of clothes, blanket and the like. Therefore, the technical scheme of the invention mainly solves the technical problem of how to prepare the composite phase change material by adopting flexible SEBS elastic plastics.
Disclosure of Invention
The invention aims at overcoming the defects of the existing organic phase change material, and provides a preparation method for obtaining the composite phase change material by using paraffin as a base material and through SEBS (styrene-ethylene-butylene-styrene) series plastic adsorption.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the composite phase change material of paraffin-SEBS thermoplastic elastomer consists of phase change paraffin 30-80 weight portions and SEBS elastic plastic 20-70 weight portions;
the preparation method of the composite material comprises the following steps:
adding SEBS into the melted phase-change paraffin according to the weight ratio of the phase-change paraffin to the SEBS of 30-80:20-70, and adsorbing the paraffin by adopting an impregnation method at 25-100 ℃ for 1-3 hours;
after the adsorption is finished, the SEBS series elastic plastic adsorbed with the paraffin is dried until no paraffin leakage exists and the constant weight is achieved, and then the SEBS series elastic plastic is cooled to room temperature, thus obtaining the paraffin-SEBS composite phase change material
Further, it is preferable to add SEBS6150,6152,6154 series plastics (in parts by weight) into melted phase-change paraffin wax, and adsorb the mixture by an immersion method at 25-100 ℃ for 1-3 hours; and after the adsorption is finished, drying until no paraffin leaks and constant weight is achieved, and cooling to room temperature to obtain the paraffin-SEBS composite phase change material.
In the preparation method, the organic phase-change material is preferably one or more than two of phase-change materials such as RT10, RT28, RT44, RT55, RT58, no. 48 paraffin, no. 52 paraffin, no. 58 paraffin and the like.
Compared with the prior art, the invention has the following beneficial effects:
the invention adsorbs organic phase change materials to the used SEBS6150,6152,6154 series plastic, solves the blank of the current flexible composite phase change material in the market, and has strong adsorption capacity and large phase change enthalpy value. In addition, the phase change materials with controllable phase change temperature can be obtained by blending the mass ratio of the phase change materials with different brands, so that the application field of the paraffin-based composite phase change material is further widened, and the method has good economic benefit.
The paraffin-SEBS composite phase-change material prepared by the invention has good flexibility and heat conductivity coefficient of 0.12-0.15 W.m -1 ·K -1 Phase change ofThe temperature is 10-62.3 ℃, and the phase transition enthalpy value reaches 110-180J/g. The preparation method is simple, the composite phase-change material has low heat conductivity coefficient, good flexibility, economy and environmental protection, and therefore, the preparation method has wide application value in the fields of clothing, heat preservation and the like.
Drawings
FIG. 1 is an SEM image of SEBS6152 and RT10-SEBS6152 composite phase-change material of the composite phase-change material of example 1 according to the invention;
FIG. 2 is a graph showing performance data of composite phase change materials according to examples 1-3 of the present invention.
Detailed Description
The invention will now be described in detail with reference to the accompanying drawings, as shown in figure 1,
unless otherwise indicated, the reagents, apparatus and methods employed in the present invention are those conventionally commercially available in the art and those conventionally used.
Example 1
20g SEBS6150,20g SEBS6152, 20g SEBS6154 is taken and respectively added into 100g of melted RT10 phase-change paraffin, and paraffin adsorption is carried out by adopting an impregnation method at 25 ℃ for 1h; and after the adsorption is finished, drying the material at 50 ℃ until no paraffin leakage exists, cooling the material to room temperature after the constant weight is achieved, and respectively obtaining the RT10-SEBS6150 composite phase-change material, the RT10-SEBS6152 composite phase-change material and the RT10-SEBS6154 composite phase-change material.
Example 2
Reference example 1 was made with the difference that the stirring temperature was 50℃and the drying temperature was 60 ℃. The RT28-SEBS6150, RT28-SEBS6152 and RT28-SEBS6154 composite phase-change materials, RT44-SEBS6150, RT44-SEBS6152 and RT44-SEBS6154 composite phase-change materials, no. 48 paraffin-SEBS 6150, no. 48 paraffin-SEBS 6152 and No. 48 paraffin-SEBS 6154 composite phase-change materials are prepared, and the other materials are the same as the example 1.
Example 3
Reference example 1 was made with the difference that the stirring temperature was 70℃and the drying temperature was 80 ℃. The RT55-SEBS6150, the RT55-SEBS6152 and the RT55-SEBS6154 are prepared, the RT58-SEBS6150, the RT58-SEBS6152 and the RT58-SEBS6154 are prepared, the No. 52 paraffin-SEBS 6150, the No. 52 paraffin-SEBS 6152 and the No. 52 paraffin-SEBS 6154 are prepared, and the No. 58 paraffin-SEBS 6150, the No. 58 paraffin-SEBS 6152 and the No. 58 paraffin-SEBS 6154 are prepared.
FIG. 1 SEM images of SEBS6152 and RT10-SEBS6152 of the composite phase change material of example 1.
FIG. 2 is a graph showing performance data for the composite phase change materials of examples 1-3.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (5)
1. The preparation method of the paraffin-SEBS thermoplastic elastomer composite phase-change material is characterized in that the paraffin-SEBS composite phase-change material comprises, by weight, 30-80 parts of phase-change paraffin and 20-70 parts of SEBS series elastic plastics, and the modified SEBS thermoplastic elastomer is 6150,6152,6154 series;
the preparation method of the composite material comprises the following steps:
adding SEBS into the melted phase-change paraffin according to the weight ratio of the phase-change paraffin to the SEBS of 30-80:20-70, and adsorbing the paraffin by adopting an impregnation method at 25-100 ℃ for 1-3 hours;
and after the adsorption is finished, drying the SEBS series elastic plastic adsorbed with the paraffin, cooling to room temperature after the paraffin is not leaked and reaches constant weight, and obtaining the paraffin-SEBS composite phase change material.
2. The method for preparing the paraffin-SEBS thermoplastic elastomer composite phase-change material according to claim 1, wherein the phase-change paraffin is one or a combination of more than two of RT10, RT28, RT44, RT55, RT58, no. 48 paraffin, no. 52 paraffin and No. 58 paraffin phase-change materials.
3. The preparation method of the paraffin-SEBS thermoplastic elastomer composite phase-change material according to claim 1, wherein the paraffin-SEBS thermoplastic elastomer composite phase-change material is prepared from 55 parts by weight of phase-change paraffin and 45 parts by weight of SEBS elastic plastics.
4. The preparation method of the paraffin-SEBS thermoplastic elastomer composite phase-change material according to claim 1, wherein the paraffin-SEBS thermoplastic elastomer composite phase-change material is prepared from 30 parts by weight of phase-change paraffin and 20 parts by weight of SEBS elastic plastics according to parts by weight.
5. The preparation method of the paraffin-SEBS thermoplastic elastomer composite phase-change material according to claim 1, wherein the paraffin-SEBS thermoplastic elastomer composite phase-change material is prepared from 80 parts by weight of phase-change paraffin and 70 parts by weight of SEBS elastic plastics according to parts by weight.
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| CN112448084B (en) * | 2019-08-30 | 2023-11-14 | 东莞新能德科技有限公司 | Battery cell |
| CN111394066A (en) * | 2020-04-21 | 2020-07-10 | 南京金合能源材料有限公司 | Medium-low temperature composite phase change temperature control material and preparation method thereof |
| CN111793473B (en) * | 2020-07-22 | 2022-04-08 | 三峡大学 | Preparation method of shape-stable phase-change material |
| CN112063370A (en) * | 2020-08-31 | 2020-12-11 | 华南理工大学 | Self-repairing composite phase change material with enhanced heat conduction and preparation method and application thereof |
| CN112280536A (en) * | 2020-09-18 | 2021-01-29 | 湖北中烟工业有限责任公司 | Cooling energy storage phase-change material used in novel tobacco filter stick and preparation method thereof |
| CN112168455A (en) * | 2020-10-13 | 2021-01-05 | 郑州轻工业大学 | Novel recyclable thermoplastic elastomer fracture fixation assembly and use method thereof |
| CN112852384B (en) * | 2021-01-11 | 2022-03-25 | 西南交通大学 | Reversible thermochromic shape-stabilized phase change functional material and preparation method thereof |
| CN113150565B (en) * | 2021-04-25 | 2022-09-27 | 华南理工大学 | Flexible heat-conducting insulating viscous phase-change heat radiating fin, preparation method thereof and battery heat management system |
| CN113265228A (en) * | 2021-04-26 | 2021-08-17 | 西南交通大学 | Multi-energy-driven shape-stabilized phase change material and preparation method thereof |
| CN113667459A (en) * | 2021-08-31 | 2021-11-19 | 华南理工大学 | Electric heating flexible composite phase change material, preparation method thereof and application of electric heating flexible composite phase change material as thermal therapy product |
| CN114539788B (en) * | 2021-12-30 | 2024-01-26 | 海鹰空天材料研究院(苏州)有限责任公司 | High-enthalpy flexible phase change composite material film and preparation method thereof |
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| CN104559938A (en) * | 2015-01-09 | 2015-04-29 | 中科院广州能源所盱眙凹土研发中心 | Paraffin-attapulgite composite phase-change material and preparation method thereof |
| CN106245128A (en) * | 2016-08-13 | 2016-12-21 | 华南理工大学 | A kind of wax phase change energy storage composite fibre and preparation method and application |
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