CN110157385B - Phase change heat storage particle with modified resin as shell material and preparation process thereof - Google Patents
Phase change heat storage particle with modified resin as shell material and preparation process thereof Download PDFInfo
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- CN110157385B CN110157385B CN201910494875.4A CN201910494875A CN110157385B CN 110157385 B CN110157385 B CN 110157385B CN 201910494875 A CN201910494875 A CN 201910494875A CN 110157385 B CN110157385 B CN 110157385B
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- shell material
- heat storage
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- modified resin
- change heat
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- 239000011257 shell material Substances 0.000 title claims abstract description 45
- 238000005338 heat storage Methods 0.000 title claims abstract description 28
- 239000002245 particle Substances 0.000 title claims abstract description 23
- 239000011347 resin Substances 0.000 title claims abstract description 20
- 229920005989 resin Polymers 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000011162 core material Substances 0.000 claims abstract description 39
- 239000003085 diluting agent Substances 0.000 claims abstract description 13
- 239000003504 photosensitizing agent Substances 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 150000004671 saturated fatty acids Chemical class 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims abstract 3
- 239000012798 spherical particle Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 8
- ISAOCJYIOMOJEB-UHFFFAOYSA-N benzoin Chemical compound C=1C=CC=CC=1C(O)C(=O)C1=CC=CC=C1 ISAOCJYIOMOJEB-UHFFFAOYSA-N 0.000 claims description 8
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 244000028419 Styrax benzoin Species 0.000 claims description 4
- 235000000126 Styrax benzoin Nutrition 0.000 claims description 4
- 235000008411 Sumatra benzointree Nutrition 0.000 claims description 4
- 229960002130 benzoin Drugs 0.000 claims description 4
- 235000019382 gum benzoic Nutrition 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 125000004386 diacrylate group Chemical group 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- WLVPRARCUSRDNI-UHFFFAOYSA-N 2-hydroxy-1-phenyl-1-propanone Chemical compound CC(O)C(=O)C1=CC=CC=C1 WLVPRARCUSRDNI-UHFFFAOYSA-N 0.000 claims description 2
- XMLYCEVDHLAQEL-UHFFFAOYSA-N 2-hydroxy-2-methyl-1-phenylpropan-1-one Chemical compound CC(C)(O)C(=O)C1=CC=CC=C1 XMLYCEVDHLAQEL-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 9
- 239000012782 phase change material Substances 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 125000004432 carbon atom Chemical group C* 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- 239000011232 storage material Substances 0.000 abstract description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229920000671 polyethylene glycol diacrylate Polymers 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- -1 alpha-hydroxy isopropyl Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
- C08F2/50—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
- C08F283/105—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule on to unsaturated polymers containing more than one epoxy radical per molecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
- C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
- C08F299/06—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyurethanes
- C08F299/065—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyurethanes from polyurethanes with side or terminal unsaturations
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
-
- 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
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
Abstract
The invention relates to a phase change heat storage particle taking modified resin as a shell material and a preparation process thereof, wherein the phase change heat storage particle comprises the shell material and a core material arranged in the shell material, the shell material consists of a photosensitive prepolymer, an active diluent, a photosensitizer and a heat conduction material, and the mass percentage of the phase change heat storage particle is as follows: 70-80% of photosensitive prepolymer, 10-20% of active diluent, 1-10% of photosensitizer and 1-3% of heat conducting material; the core material is saturated fatty acid with 10-14 carbon atoms. The phase-change heat storage particle adopts the modified resin as the shell material of the phase-change heat storage particle, the core material wrapped by the shell material is not leaked in the heat absorption/release process, meanwhile, the granular phase-change heat storage material greatly increases the heat exchange area, and the modified resin is the shell material and improves the overall heat transfer performance, thereby shortening the thermal response time of the phase-change material and utilizing the heat storage capacity of the phase-change material to the maximum extent.
Description
Technical Field
The invention relates to the technical field of building energy-saving materials, in particular to a phase change heat storage particle taking modified resin as a shell material and a preparation process thereof.
Background
Among various energy consumption, the building energy consumption accounts for a large part, so that the energy-saving material has a large development space in the future. The conventional phase change heat storage building materials are prepared by simply mixing a phase change material and a building material in proportion without packaging, so that the problem of leakage is easily caused in the heat absorption and melting process of the phase change material.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects in the prior art, the invention provides a phase change heat storage particle taking modified resin as a shell material and a preparation process thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the phase change heat storage particle with the modified resin as the shell material comprises the shell material and a core material arranged in the shell material, wherein the shell material consists of a photosensitive prepolymer, an active diluent, a photosensitizer and a heat conduction material, and the mass percentage of the phase change heat storage particle is as follows: 70-80% of photosensitive prepolymer, 10-20% of active diluent, 1-10% of photosensitizer and 1-3% of heat conducting material; the core material is saturated fatty acid with 10-14 carbon atoms.
The photosensitive prepolymer is one or more of epoxy acrylic resin, polyester acrylate and polyurethane acrylate; the active diluent is one or more of pentaerythritol triacrylate (PETA) and polyethylene glycol diacrylate (PEGDA); the photosensitizer is one or more of benzoin dimethyl ether, alpha-hydroxy isopropyl phenyl ketone and alpha-hydroxy ethyl phenyl ketone; the heat conducting material is graphite;
the mass ratio of the core material to the shell material is as follows: 1: 3-25.
A preparation process of the phase change heat storage particle taking the modified resin as the shell material comprises the following steps:
(1) weighing a proper amount of core materials, heating the core materials to be in a liquid state, injecting the core materials into a spherical particle mold, and demolding the spherical particle mold after the core materials are cooled and solidified for later use;
(2) weighing the components of the shell material according to the proportion, mixing and stirring uniformly for later use;
(3) placing the granular solid core material prepared in the step (1) into another transparent spherical particle mold, simultaneously injecting the liquid shell material prepared in the step (2) into the mold, and standing for 3-5 minutes;
(4) and (3) vertically irradiating the mixture obtained in the step (3) for 5-7 minutes by adopting an ultraviolet lamp with the wavelength of 356nm at 200W, cooling for 1-2 minutes, and then demolding.
The invention has the beneficial effects that: the phase-change heat storage particle adopts the modified resin as the shell material of the phase-change heat storage particle, solves the leakage problem by encapsulating the phase-change material, greatly increases the heat exchange area of the granular phase-change heat storage material, and improves the integral heat transfer performance by adopting the modified resin as the shell material, thereby shortening the thermal response time of the phase-change material and utilizing the heat storage capacity of the phase-change material to the maximum extent.
Detailed Description
Example 1:
a phase change heat storage particle taking modified resin as a shell material is provided, wherein the mass ratio of a core material to the shell material is 1: 3.
The core material is capric acid, and the shell material is composed of the following raw materials in percentage by mass: 80% of photosensitive prepolymer, 10% of active diluent, 7% of photosensitizer and 3% of heat conduction material. The photosensitive prepolymer is epoxy acrylic resin, the reactive diluent is pentaerythritol triacrylate (PETA), the photosensitizer is benzoin dimethyl ether, and the heat conduction material is graphite.
The preparation method comprises the following steps:
(1) weighing the core materials according to the mass ratio, heating the core materials to be in a liquid state, injecting the core materials into a spherical particle mold, and demolding the spherical particle mold for later use after the core materials are cooled and solidified;
(2) weighing the components of the shell material according to the mass ratio, mixing and uniformly stirring for later use;
(3) placing the granular solid core material prepared in the step (1) into another transparent spherical particle mould, simultaneously injecting the liquid shell material prepared in the step (2) into the mould, and standing for 5 minutes;
(4) and (3) vertically irradiating the mixture obtained in the step (3) for 7 minutes by using a 200W ultraviolet lamp with the wavelength of 356nm, cooling for 2 minutes, and then demolding.
The phase-change heat storage particle taking the modified resin as the shell material has the compression strength of 2.3MPa, the dry density of 171.96kg/m, the melting starting temperature of 24.8 ℃, the melting termination temperature of 37.2 ℃, the solidification starting temperature of 28.3 ℃, the solidification termination temperature of 17.1 ℃ and the phase-change latent heat of 90.48 kJ/kg.
Example 2:
a phase change heat storage particle taking modified resin as a shell material is provided, wherein the mass ratio of a core material to the shell material is 1: 25.
The core material is capric acid, and the shell material is composed of the following raw materials in percentage by mass: 70% of photosensitive prepolymer, 20% of active diluent, 7% of photosensitizer and 3% of heat conduction material. The photosensitive prepolymer is polyester acrylate, the reactive diluent is pentaerythritol triacrylate (PETA), the photosensitizer is alpha-hydroxy isopropyl benzophenone, and the heat conduction material is graphite.
The preparation method comprises the following steps:
(1) weighing the core materials according to the mass ratio, heating the core materials to be in a liquid state, injecting the core materials into a spherical particle mold, and demolding the spherical particle mold for later use after the core materials are cooled and solidified;
(2) weighing the components of the shell material according to the mass ratio, mixing and uniformly stirring for later use;
(3) placing the granular solid core material prepared in the step (1) into another transparent spherical particle mould, simultaneously injecting the liquid shell material prepared in the step (2) into the mould, and standing for 3 minutes;
(4) and (3) vertically irradiating the mixture obtained in the step (3) for 5 minutes by using a 200W ultraviolet lamp with the wavelength of 356nm, cooling for 2 minutes, and then demolding.
The phase change heat storage particle taking the modified resin as the shell material has the compression strength of 3.4MPa, the dry density of 222.12kg/m, the melting starting temperature of 26.2 ℃, the melting termination temperature of 35.8 ℃, the solidification starting temperature of 26.3 ℃, the solidification termination temperature of 19.1 ℃ and the phase change latent heat of 37.27 kJ/kg.
Example 3:
a phase change heat storage particle taking modified resin as a shell material is provided, wherein the mass ratio of a core material to the shell material is 1: 10.
The core material is capric acid, and the shell material is composed of the following raw materials in percentage by mass: 75% of photosensitive prepolymer, 18% of active diluent, 5% of photosensitizer and 2% of heat conduction material. The photosensitive prepolymer is polyurethane acrylic acid, the active diluent is polyethylene glycol diacrylate (PEGDA), the photosensitizer is benzoin dimethyl ether, and the heat conducting material is graphite.
The preparation method comprises the following steps:
(1) weighing the core materials according to the mass ratio, heating the core materials to be in a liquid state, injecting the core materials into a spherical particle mold, and demolding the spherical particle mold for later use after the core materials are cooled and solidified;
(2) weighing the components of the shell material according to the mass ratio, mixing and uniformly stirring for later use;
(3) placing the granular solid core material prepared in the step (1) into another transparent spherical particle mould, simultaneously injecting the liquid shell material prepared in the step (2) into the mould, and standing for 5 minutes;
(4) and (3) vertically irradiating the mixture obtained in the step (3) for 5 minutes by using a 200W ultraviolet lamp with the wavelength of 356nm, cooling for 2 minutes, and then demolding.
The phase-change heat storage particle taking the modified resin as the shell material has the compression strength of 2.8MPa, the dry density of 191.17kg/m, the melting starting temperature of 26.7 ℃, the melting termination temperature of 34.6 ℃, the solidification starting temperature of 26.1 ℃, the solidification termination temperature of 18.2 ℃ and the phase-change latent heat of 43.98 kJ/kg.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. A preparation process of phase change heat storage particles with modified resin as a shell material comprises the following steps of: 70-80% of photosensitive prepolymer, 10-20% of active diluent, 1-10% of photosensitizer and 1-3% of heat conducting material; the core material is saturated fatty acid with 10-14 carbons, and is characterized in that: the preparation process comprises the following steps:
(1) weighing a proper amount of core materials, heating the core materials to be in a liquid state, injecting the core materials into a spherical particle mold, and demolding the spherical particle mold after the core materials are cooled and solidified for later use;
(2) weighing the components of the shell material according to the mass percentage, mixing and stirring uniformly for later use;
(3) placing the granular solid core material prepared in the step (1) into another transparent spherical particle mold, simultaneously injecting the liquid shell material prepared in the step (2) into the mold, and standing for 3-5 minutes to obtain a mixture;
(4) and (3) vertically irradiating the mixture obtained in the step (3) for 5-7 minutes by adopting an ultraviolet lamp with the wavelength of 356nm at 200W, cooling for 1-2 minutes, and then demolding.
2. The process for preparing phase-change heat-storage particles with modified resin as shell material according to claim 1, wherein the process comprises the following steps: the photosensitive prepolymer is one or more of epoxy acrylic resin, polyester acrylate and polyurethane acrylate; the active diluent is one or more of pentaerythritol triacrylate and polyethylene glycol diacrylate; the photosensitizer is one or more of benzoin dimethyl ether, alpha-hydroxy isopropyl phenyl ketone and alpha-hydroxy ethyl phenyl ketone; the heat conducting material is graphite.
3. The process for preparing phase-change heat-storage particles with modified resin as shell material according to claim 2, wherein the process comprises the following steps: the mass ratio of the core material to the shell material is as follows: 1: 3-25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494875.4A CN110157385B (en) | 2019-06-10 | 2019-06-10 | Phase change heat storage particle with modified resin as shell material and preparation process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910494875.4A CN110157385B (en) | 2019-06-10 | 2019-06-10 | Phase change heat storage particle with modified resin as shell material and preparation process thereof |
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| Publication Number | Publication Date |
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| CN110157385A CN110157385A (en) | 2019-08-23 |
| CN110157385B true CN110157385B (en) | 2020-12-18 |
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| CN114395375A (en) * | 2021-12-31 | 2022-04-26 | 苏州阿德旺斯新材料有限公司 | Metal organic framework based photo-thermal composite phase change material and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104449587A (en) * | 2014-11-19 | 2015-03-25 | 辽宁大学 | Preparation method of paraffin microcapsules |
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| CN103450414B (en) * | 2012-05-28 | 2016-08-03 | 比亚迪股份有限公司 | Compositions of a kind of photosensitive resin and preparation method thereof and photosensitive resin |
| FR3046021B1 (en) * | 2015-12-17 | 2017-12-22 | Commissariat Energie Atomique | COMPOSITE THERMAL ABSORPTION DEVICE AND METHOD OF OBTAINING |
| CN106634941A (en) * | 2016-11-16 | 2017-05-10 | 陕西聚洁瀚化工有限公司 | Intelligent photochromic energy storage temperature regulation microcapsule and preparation method thereof |
| CN108997976A (en) * | 2017-06-07 | 2018-12-14 | 桂林市庆通有色金属工艺材料开发有限公司 | A kind of enhanced thermal conduction Inorganic phase change energy storage material and preparation method thereof |
| CN107216859A (en) * | 2017-06-13 | 2017-09-29 | 华南理工大学 | A kind of cladded type hydrated salt heat accumulating and preparation method |
| WO2019103228A1 (en) * | 2017-11-21 | 2019-05-31 | 주식회사 글로원 | Film having light shielding properties and heat insulating properties in accordance with temperature |
| CN108854878B (en) * | 2018-06-28 | 2021-02-09 | 南昌大学 | Capric acid microcapsule and preparation method thereof |
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| CN104449587A (en) * | 2014-11-19 | 2015-03-25 | 辽宁大学 | Preparation method of paraffin microcapsules |
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