CN112521929A - Preparation method of photochromic energy storage capsule - Google Patents

Preparation method of photochromic energy storage capsule Download PDF

Info

Publication number
CN112521929A
CN112521929A CN202011513648.0A CN202011513648A CN112521929A CN 112521929 A CN112521929 A CN 112521929A CN 202011513648 A CN202011513648 A CN 202011513648A CN 112521929 A CN112521929 A CN 112521929A
Authority
CN
China
Prior art keywords
zif
energy storage
photochromic
shell layer
mofs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011513648.0A
Other languages
Chinese (zh)
Inventor
王瑀
李伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Polytechnic University
Original Assignee
Tianjin Polytechnic University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Polytechnic University filed Critical Tianjin Polytechnic University
Priority to CN202011513648.0A priority Critical patent/CN112521929A/en
Publication of CN112521929A publication Critical patent/CN112521929A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K9/00Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
    • C09K9/02Organic tenebrescent materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02Making microcapsules or microballoons
    • B01J13/06Making microcapsules or microballoons by phase separation
    • B01J13/14Polymerisation; cross-linking
    • B01J13/16Interfacial polymerisation
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/62Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing gallium, indium or thallium
    • C09K11/621Chalcogenides
    • C09K11/623Chalcogenides with zinc or cadmium
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/67Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals
    • C09K11/68Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing refractory metals containing chromium, molybdenum or tungsten
    • C09K11/681Chalcogenides
    • C09K11/682Chalcogenides with zinc or cadmium
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7707Germanates
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-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
    • C09K5/02Materials undergoing a change of physical state when used
    • C09K5/06Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • C09K5/063Materials absorbing or liberating heat during crystallisation; Heat storage materials
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10Non-macromolecular compounds
    • C09K2211/1003Carbocyclic compounds
    • C09K2211/1007Non-condensed systems
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10Non-macromolecular compounds
    • C09K2211/1018Heterocyclic compounds
    • C09K2211/1025Heterocyclic compounds characterised by ligands
    • C09K2211/1029Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
    • C09K2211/1033Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom with oxygen
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10Non-macromolecular compounds
    • C09K2211/1018Heterocyclic compounds
    • C09K2211/1025Heterocyclic compounds characterised by ligands
    • C09K2211/1088Heterocyclic compounds characterised by ligands containing oxygen as the only heteroatom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing Of Micro-Capsules (AREA)

Abstract

The invention relates to a preparation method of a photochromic energy storage capsule, which consists of an outer shell layer containing long afterglow nano particles, an inner shell layer of polyurethane and a core material of a phase change energy storage material containing photochromic dye. The long-afterglow nano-particles are prepared by using a zinc source MOFs as a template, and have uniform particle size and controllable size. The obtained capsule has a double-shell structure, and the polyurethane inner shell layer makes up the defect of insufficient outer shell layer tightness possibly caused by adding long afterglow nanoparticles. The photochromic energy storage capsule has the effects of ultraviolet intensity indication, energy storage and temperature regulation and afterglow fluorescence, improves the utilization efficiency of sunlight, has good color expression in both bright environment and dark environment, and has wide application prospect.

Description

Preparation method of photochromic energy storage capsule
Technical Field
The invention relates to the field of capsules, in particular to a preparation method of a photochromic energy storage capsule.
Background
Photochromic materials are materials whose color changes visually differently with changes in ambient temperature, and can be classified into organic, inorganic, and liquid crystal. The inorganic photochromic material has higher color-changing temperature, limits the application range thereof, has higher preparation requirement of the liquid crystal photochromic material and is not beneficial to wide application.
Although the organic photochromic material is widely applied, the organic photochromic material has the defects of poor environmental adaptability, poor thermal stability, no acid and alkali resistance, no solvent and the like. The capsule coating technology is adopted to take the phase change material dissolved with the organic photochromic material as the capsule core, and the high polymer material as the capsule wall to prepare the photochromic energy storage capsule, thereby overcoming the defects of the organic photochromic material, enhancing the stability and the application range thereof, and having good temperature regulation capability, visual ultraviolet indication function and visual differentiation discoloration effect. In patent CN201910580016.7, a phase change material, a photosensitizer, an electron donor and a leuco dye are combined and encapsulated to obtain a photo-induced and thermochromic synergistic microcapsule. In patent CN201611008848.4, a photochromic dye and an energy storage material are used as core materials together, and are coated by capsules to prepare the intelligent photochromic energy storage and temperature regulation microcapsule. The existing color-changing energy storage capsule can only show the differentiated color-changing effect in a bright environment, and no color can be observed in a dark environment.
Disclosure of Invention
In order to enrich the functionality of the capsule and solve the problem that the color-changing energy storage capsule has no color display in dark environment, the invention provides a preparation method of a photochromic energy storage capsule, which comprises the following specific steps:
(1) heating and dissolving 100 parts by mass of a phase change energy storage material and 0.1-10 parts by mass of a photochromic dye until the materials are clear, and mixing with isocyanate to prepare a core material A;
(2) heating the aqueous solution containing the emulsifier to a temperature higher than the melting point of the phase change energy storage material to prepare a continuous phase B;
(3) adding long-afterglow nano-particles prepared by a template method into a shell layer prepolymer by using a zinc source MOFs as a template, and then adding water-soluble amine to mix uniformly to prepare a shell layer prepolymer C;
(4) slowly adding the core material A into the continuous phase B, preparing an oil-in-water type emulsion by mechanical or ultrasonic emulsification, slowly adding the shell layer prepolymer C, reacting for 0.5-3 h at 60-90 ℃, then adjusting the pH value of the system to 3.7-6.2, continuously reacting for 1-5 h, performing suction filtration, cleaning and drying to obtain the photochromic energy storage capsule.
The phase change energy storage material is at least one of fatty acid ester, alkane and fatty alcohol;
the photochromic dye comprises at least one of spirooxazine, spiropyran, diarylethene, spiro oh throat, fulgide, azobenzene, benzopyran and phosphomolybdic acid isonicotinic acid;
the emulsifier is at least one of alkylphenol ethoxylates, high-carbon alcohol fatty alcohol polyoxyethylene ether, fatty acid polyoxyethylene ester, polyacrylic acid, sodium polyacrylate, polyacrylamide, styrene maleic anhydride copolymer sodium salt, dodecyl ammonium chloride, hexadecyl trimethyl ammonium bromide, hexadecyl pyridine bromide nyad, sodium dodecyl benzene sulfonate and sodium dodecyl methyl sulfate;
the isocyanate is at least one of IPDI, HMDI, TDI, MDI and corresponding dimer or trimer;
the zinc source MOFs in the step (2) is at least one of ZIF-1-8 series MOFs, TIF-1-5 series MOFs, ZIF-10, ZIF-11, ZIF-14, ZIF-20, ZIF-22, ZIF-23, ZIF-60-62, ZIF-64, ZIF-70-82 series MOFs, ZIF-90-92 series MOFs, ZIF-95 and ZIF-100 which are prepared by taking zinc ions and ligands as raw materials.
The template method in the step (2) comprises the following operation steps: adding zinc source MOFs into the mixed solution containing the long afterglow nano material component ions, uniformly stirring, adjusting the pH value of the system to 8.0 by using ammonia water, and continuously stirring for 1h at room temperature to obtain a precursor dispersion liquid; and (3) centrifugally separating the precursor dispersion liquid, drying the obtained solid product at 80 ℃, and then carrying out heat treatment at 600-1000 ℃ for 1-5 h to obtain the long-afterglow nano material.
The long afterglow nano particles in the step (2) are at least one of zinc gallate, zinc germanate or zinc gallium germanate doped with metal ions;
the particle size of the long-afterglow nano-particles is 10-100 nm.
The doped metal ion is Dy3+、Pr3+、Cr3+、Mn2+At least one of (1).
The water-soluble amine in the step (3) is at least one of diethylenetriamine, triethylene tetramine and tetraethylene pentamine;
the shell layer prepolymer is at least one of melamine prepolymer and urea formaldehyde prepolymer.
The invention has the advantages and positive effects that:
1. combine together long afterglow nanoparticle, photochromic dyestuff and phase change energy storage material utilize the encapsulation technique for the capsule has afterglow in the dark surrounds simultaneously and is luminous, photochromic and phase change energy storage's under the bright environment function, has richened the functionality of capsule, compounds multiple functions to same capsule in, has reduced the later stage product and has used the degree of difficulty, helps enlarging the application range of capsule.
2. The long-afterglow nano-particles prepared by using the template method can effectively regulate and control the particle size of the long-afterglow nano-particles by controlling the size of MOFs serving as a template, and the prepared long-afterglow nano-particles are small in particle size, uniform in distribution, good in dispersity, complete in crystal form and high in afterglow intensity, can be uniformly distributed on a capsule shell layer, ensure the afterglow luminescence uniformity and avoid the defect that the afterglow intensity is influenced because the crystal form of the conventional crushed and screened nano-particles is damaged.
3. The long afterglow nano material used has no color display in bright environment, has good afterglow luminescence only in dark environment, does not influence the photochromic color development effect, and is added into the capsule wall material, so that the long afterglow nano material is prevented from being mixed with the phase change energy storage material to influence the crystallinity of the phase change energy storage material, and further influence the energy storage performance of the phase change energy storage material.
4. The microcapsule with the double-shell structure is prepared, the polyurethane shell layer of the inner layer ensures the tightness of the capsule, and the defect of insufficient tightness of the outer shell layer possibly caused by adding long afterglow nano particles is overcome.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Example 1
(1) Heating and dissolving 100g of tetradecanol and 0.1g of spiropyran photochromic dye until the materials are clear, and mixing IPDI to prepare a core material A;
(2) heating the water solution containing sodium polyacrylate to 60 ℃ to obtain a continuous phase B;
(3) preparing Cr by using ZIF-1 as a template and utilizing a template method3+The doped zinc gallate long afterglow nano particle has heat treatment temperature of 820 deg.c for 2.7 hr, and through adding the obtained long afterglow nano particle into melamine prepolymer,adding diethylenetriamine and mixing uniformly to prepare a capsule shell layer prepolymer C;
(4) slowly adding the core material A into the continuous phase B, preparing an oil-in-water type emulsion by mechanical or ultrasonic emulsification, slowly adding the shell layer prepolymer C, reacting for 0.5h at 60 ℃, then adjusting the pH value of the system to 3.7, heating to 60 ℃, continuing to react for 5h, performing suction filtration, cleaning and drying to obtain the photochromic energy storage capsule.
Example 2
(1) Heating and dissolving 200g of octadecanol and 20g of spirooxazine photochromic dye until the mixture is clear, and mixing the octadecanol and the spirooxazine photochromic dye with HMDI to prepare a core material A;
(2) heating the water solution containing the sodium salt of the styrene maleic anhydride copolymer to 70 ℃ to prepare a continuous phase B;
(3) preparing Mn by using a template method by using TIF-3 as a template2+And Dy3+Co-doped zinc gallium germanate long afterglow nano particles are subjected to heat treatment at the temperature of 600 ℃ for 5 hours, the obtained long afterglow nano particles are added into melamine prepolymer, and triethylene tetramine is added and mixed uniformly to obtain capsule shell layer prepolymer C;
(4) slowly adding the core material A into the continuous phase B, preparing an oil-in-water type emulsion by mechanical or ultrasonic emulsification, slowly adding the shell layer prepolymer C, reacting for 3h at 73 ℃, then adjusting the pH value of the system to 4.5, heating to 85 ℃, continuing to react for 2.6h, carrying out suction filtration, cleaning and drying to obtain the photochromic energy storage capsule.
Example 3
(1) Heating and dissolving 50g of methyl stearate and 2g of diarylethene photochromic dye until the materials are clear, and mixing IPDI tripolymer to prepare a core material A;
(2) heating the water solution containing sodium dodecyl benzene sulfonate to 80 ℃ to prepare a continuous phase B;
(3) preparing Mn by using ZIF-100 as a template and utilizing a template method2+Adding the doped zinc gallate long-afterglow nano particles into a urea formaldehyde prepolymer, adding tetraethylenepentamine, and uniformly mixing to obtain a capsule shell layer prepolymer C, wherein the heat treatment temperature is 1000 ℃ and the heat treatment time is 1 h;
(4) slowly adding the core material A into the continuous phase B, preparing an oil-in-water type emulsion by mechanical or ultrasonic emulsification, slowly adding the shell layer prepolymer C, reacting for 0.5h at 90 ℃, then adjusting the pH value of the system to 5.2, continuing to react for 1h at 90 ℃, filtering, cleaning and drying to prepare the photochromic energy storage capsule.
Example 4
(1) Heating and dissolving 50g of octadecane and 4g of diarylethene photochromic dye until the mixture is clear, and mixing IPDI dimer to prepare a core material A;
(2) heating the aqueous solution containing the dodecyl ammonium chloride to 70 ℃ to prepare a continuous phase B;
(3) preparing Cr by using ZIF-100 as a template and utilizing a template method3+Adding the doped zinc germanate long-afterglow nano-particles into a urea formaldehyde prepolymer, adding tetraethylenepentamine, and uniformly mixing to obtain a capsule shell layer prepolymer C, wherein the heat treatment temperature is 930 ℃ and the heat treatment time is 1.8 h;
(4) slowly adding the core material A into the continuous phase B, preparing an oil-in-water type emulsion by mechanical or ultrasonic emulsification, slowly adding the shell layer prepolymer C, reacting for 3h at 70 ℃, then adjusting the pH value of the system to 6.2, continuing to react for 3.9h at 75 ℃, filtering, cleaning and drying to obtain the photochromic energy storage capsule.
The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A preparation method of a photochromic energy storage capsule comprises the following specific steps:
(1) heating and dissolving 100 parts by mass of a phase change energy storage material and 0.1-10 parts by mass of a photochromic dye until the materials are clear, and mixing with isocyanate to prepare a core material A;
(2) heating the aqueous solution containing the emulsifier to a temperature higher than the melting point of the phase change energy storage material to prepare a continuous phase B;
(3) adding long-afterglow nano-particles prepared by a template method into a shell layer prepolymer by using a zinc source MOFs as a template, and then adding water-soluble amine to mix uniformly to prepare a shell layer prepolymer C;
(4) slowly adding the core material A into the continuous phase B, preparing an oil-in-water type emulsion by mechanical or ultrasonic emulsification, slowly adding the shell layer prepolymer C, reacting for 0.5-3 h at 60-90 ℃, then adjusting the pH value of the system to 3.7-6.2, continuously reacting for 1-5 h, performing suction filtration, cleaning and drying to obtain the photochromic energy storage capsule.
2. The method according to claim 1, wherein the phase change energy storage material is at least one of fatty acid ester, alkane, and fatty alcohol;
the photochromic dye comprises at least one of spirooxazine, spiropyran, diarylethene, spiro oh throat, fulgide, azobenzene, benzopyran and phosphomolybdic acid isonicotinic acid;
the emulsifier is at least one of alkylphenol ethoxylates, high-carbon alcohol fatty alcohol polyoxyethylene ether, fatty acid polyoxyethylene ester, polyacrylic acid, sodium polyacrylate, polyacrylamide, styrene maleic anhydride copolymer sodium salt, dodecyl ammonium chloride, hexadecyl trimethyl ammonium bromide, hexadecyl pyridine bromide nyad, sodium dodecyl benzene sulfonate and sodium dodecyl methyl sulfate;
the isocyanate is at least one of IPDI, HMDI, TDI, MDI and corresponding dimer or trimer.
3. The method according to claim 1, wherein the MOFs as the zinc source in the step (2) is at least one selected from the group consisting of ZIF-1 to 8 MOFs, TIF-1 to 5 MOFs, ZIF-10, ZIF-11, ZIF-14, ZIF-20, ZIF-22, ZIF-23, ZIF-60 to 62, ZIF-64, ZIF-70 to 82 MOFs, ZIF-90 to 92 MOFs, ZIF-95 and ZIF-100, which are prepared from zinc ions and ligands as raw materials.
4. The method according to claim 1, wherein the template method in step (2) is performed by the steps of: adding zinc source MOFs into the mixed solution containing the long afterglow nano material component ions, uniformly stirring, adjusting the pH value of the system to 8.0 by using ammonia water, and continuously stirring for 1h at room temperature to obtain a precursor dispersion liquid; and (3) centrifugally separating the precursor dispersion liquid, drying the obtained solid product at 80 ℃, and then carrying out heat treatment at 600-1000 ℃ for 1-5 h to obtain the long-afterglow nano material.
5. The method according to claim 1, wherein the long persistence nanoparticles in step (2) are at least one of zinc gallate, zinc germanate or zinc gallium germanate doped with metal ions;
the particle size of the long-afterglow nano-particles is 10-100 nm.
6. The method of claim 5, wherein the doped metal ion is Dy3+、Pr3+、Cr3+、Mn2+At least one of (1).
7. The method according to claim 1, wherein the water-soluble amine in step (3) is at least one of diethylenetriamine, triethylenetetramine, and tetraethylenepentamine;
the shell layer prepolymer is at least one of melamine prepolymer and urea formaldehyde prepolymer.
CN202011513648.0A 2020-12-21 2020-12-21 Preparation method of photochromic energy storage capsule Pending CN112521929A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011513648.0A CN112521929A (en) 2020-12-21 2020-12-21 Preparation method of photochromic energy storage capsule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011513648.0A CN112521929A (en) 2020-12-21 2020-12-21 Preparation method of photochromic energy storage capsule

Publications (1)

Publication Number Publication Date
CN112521929A true CN112521929A (en) 2021-03-19

Family

ID=75001850

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011513648.0A Pending CN112521929A (en) 2020-12-21 2020-12-21 Preparation method of photochromic energy storage capsule

Country Status (1)

Country Link
CN (1) CN112521929A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114307889A (en) * 2021-12-08 2022-04-12 武汉中科先进技术研究院有限公司 Phase-change microcapsule with photochromic function and coated by double-layer wall material and preparation method thereof
CN115058231A (en) * 2022-07-14 2022-09-16 塔里木大学 Phase-change material taking MOFs as carrier and preparation method thereof
CN116478687A (en) * 2022-12-01 2023-07-25 南开大学 Long afterglow material based on MOF template method and preparation method and application thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114307889A (en) * 2021-12-08 2022-04-12 武汉中科先进技术研究院有限公司 Phase-change microcapsule with photochromic function and coated by double-layer wall material and preparation method thereof
CN114307889B (en) * 2021-12-08 2024-04-30 武汉中科先进材料科技有限公司 Double-layer wall material coated phase-change microcapsule with photochromic function and preparation method thereof
CN115058231A (en) * 2022-07-14 2022-09-16 塔里木大学 Phase-change material taking MOFs as carrier and preparation method thereof
CN115058231B (en) * 2022-07-14 2023-08-18 塔里木大学 Phase change material taking MOFs as carrier and preparation method thereof
CN116478687A (en) * 2022-12-01 2023-07-25 南开大学 Long afterglow material based on MOF template method and preparation method and application thereof

Similar Documents

Publication Publication Date Title
CN112521929A (en) Preparation method of photochromic energy storage capsule
CN112473580A (en) Preparation method of thermochromic capsules
CN112626721A (en) Preparation method of composite color-changing nanofiber membrane
CN109505061A (en) A kind of thermochromism nano fibrous membrane and preparation method thereof
CN102827597A (en) Thermosensitive discoloring energy-storage material and preparation method thereof
CN102097194A (en) Method for preparing core-shell structured SiO2/Fe3O4 compound magnetic particle
CN110607015B (en) Plastic light conversion agricultural film with lasting light conversion effect and preparation method thereof
CN109535691A (en) A kind of thermochromic thin film and preparation method thereof
CN107771791A (en) A kind of lignosulfonates mesoporous SiO 2 nanosphere and preparation method thereof
CN115011327B (en) Packaged photochromic microsphere and preparation method and application thereof
CN105086629A (en) Preparation method and application of ultraviolet fluorescent powdered ink
CN110578258A (en) Preparation process of photochromic polypropylene yarn fabric
CN109776586B (en) Block crystal type organic-rare earth complex, luminescent fiber and preparation method thereof
CN102532943B (en) Preparation method for reverse phase microemulsion of dye solution
CN1775692B (en) Nano light-screen zinc-cerium composite oxide and its preparing method
CN108380146A (en) A kind of preparation method and its ureaformaldehyde photochromic micro-encapsulation of ureaformaldehyde photochromic micro-encapsulation
CN116731575A (en) Phase-change energy-saving coating and preparation method thereof
CN104383911B (en) A kind of banded Bi17V3O33/Bi1.7V8O16Photochemical catalyst and its preparation method and application
CN102875822A (en) Preparation method of photochromic latex emulsion
CN112280353B (en) Antibacterial and ultraviolet-resistant thermochromic wax color paint and preparation method thereof
CN101235238A (en) Environmental protection dope and its preparation method
CN105542773B (en) Quantum dot complex microsphere with bi-component shell and preparation method thereof
CN106366747A (en) Preparation method of photo-induced repair microcapsules
CN111100604A (en) Composite color-changing energy storage capsule and preparation method thereof
CN114432979A (en) Phase-change microcapsule with metal organic framework material as capsule wall

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
DD01 Delivery of document by public notice
DD01 Delivery of document by public notice

Addressee: Wang Yu

Document name: Deemed withdrawal notice

WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210319