CN105602167B - A kind of laminated film for having photothermal deformation and thermal energy storage and release function concurrently and preparation method thereof - Google Patents

A kind of laminated film for having photothermal deformation and thermal energy storage and release function concurrently and preparation method thereof Download PDF

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CN105602167B
CN105602167B CN201610065137.4A CN201610065137A CN105602167B CN 105602167 B CN105602167 B CN 105602167B CN 201610065137 A CN201610065137 A CN 201610065137A CN 105602167 B CN105602167 B CN 105602167B
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polyvinyl alcohol
laminated film
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change material
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CN105602167A (en
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张忠平
张淑东
王振洋
尚蒙娅
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Hefei Institutes of Physical Science of CAS
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/02—Homopolymers or copolymers of unsaturated alcohols
    • C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
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    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C08J2471/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films

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Abstract

The invention discloses a kind of laminated film for having photothermal deformation and thermal energy storage and release function concurrently and preparation method thereof, wherein the laminated film is using polyvinyl alcohol as material of main part, using trace gold nano grain as optical-thermal conversion material, formed plus organic phase change material self assembly.The present invention has photothermal deformation and thermal energy storage concurrently and the laminated film of release function passes through the surface plasmon resonance effect of filled nanogold and the heat accumulation exothermic character of phase-change material, composite phase-change film is set to have photothermal deformation and thermal energy storage and the function of release concurrently, and efficiently solve organic phase change material leakage problem, and the preparation method of composite film of the present invention is simple to operate, raw material is easy to get, it can be made in general chemical laboratory, it is easy to spread.

Description

A kind of laminated film and its system for having photothermal deformation and thermal energy storage and release function concurrently Preparation Method
First, technical field
The present invention relates to a kind of thin-film material and preparation method thereof, and specifically one kind has photothermal deformation concurrently and heat energy is deposited Laminated film of storage and release function and preparation method thereof.
2nd, background technology
In today's society production process, important support of the energy as modern economy, be human society depend on for existence and The important foundation of development, consequence is occupied in the process for promoting socio-economic development.Recently, the warp of country and each department Ji development level receives energy supply and the restriction of safe-guard system, how to realize permanently effective energy sustainable development Exhibition, it is always the important component of national future development program strategy.But with a large amount of uses to energy resources, make Into the sustainable growth of total energy consumption, resulting environmental pollution and caused by problems of energy consumption become increasingly conspicuous, and energy The constraint of resource and environment is stronger and stronger suffered by the system of source, has become the problem of resource and environment and concerns the tight of social development High problem.The country most as world population, while be production of energy in the world and country of consumption, the energy of Science in Future in China Supply and demand problem is still very prominent：The utilization of the energy and seriously polluted, per capita energy's resources occupation rate are low and prominent Energy reserves and structure problem, these problems are all urgently to be resolved hurrily.
In all energy types of service, heat energy is most popular.It is most during the use of the various energy All it is that people's demand is met by the approach of heat energy conversion.But during energy use, wherein 58% energy exists All dissipated in vain in the form of heat during use, reduce energy utilization rate.In addition, the utilization existence time matching of the energy Problem, it is not all the time all using the energy, but needs the energy to collect in advance, carried out in the time of needs Utilize.So how to realize heat accumulation, rationally and efficiently utilize heat energy, be solve heat energy supply problem and energy rate utilization rate it is low Effective way.Prominent energy shortage problem is faced, how effectively to use inexhaustible, nexhaustible clean energy resource --- too It is positive can, be one of effective means for solving energy problem, and simultaneously because the environmental protection of solar energy, cleaning and renewable, are avoided Pollution to environment.Therefore, in the case where current environmental protection is increasingly strict, the utilization of solar energy is with especially important Meaning.Solar energy functional material possesses good application prospect, and outstanding optical-thermal conversion material is beneficial to realize the energy It is effective using and the protection to environment.
The characteristic of energy is absorbed and stored in phase transition process using phase-change material, is realized while photothermal deformation process The storage and utilization of energy, while by changing the species and content of phase-change material, the regulation and control of energy are carried out, it is a kind of Develop effective research meanses of power-saving technology.Phase-change accumulation energy has high energy storage density, energy storage easy control of temperature and range of choice The advantages that wide, phase-changing energy storage material are broadly divided into organic phase change material and inorganic phase-changing material.Inorganic phase-changing material thermal conductivity factor It is high, unit volume heat storage capacity is strong, cost it is cheap be easily obtained, heat of solution it is higher, but supercooling occurs and is separated, has analysis Occur as Volume Changes are larger.Organic phase change material Applicable temperature scope is wide, stable chemical performance, safe and non-toxic corrosion-free, with Preferably, without obvious surfusion during solidification, it is strong to recycle performance, but thermal conductivity during solid-state for the compatibility of traditional structural materials Can it is low, unit volume heat storage capacity is poor, solid-liquid phase change when liquid leakage occurs, and thermal conductivity factor is low, and these shortcomings limit Its application in terms of multiple researchs.Therefore in order to solve these problems, researcher has gradually developed fixed phase change material Material, this improves the performance of phase-changing energy storage material to a certain extent, improves its thermal stability and heat conductivility, but pass The problem of encapsulation, leakage etc. during use still be present, it is necessary to be shaped to it in the shaping phase-change material of system Study on the modification.
3rd, the content of the invention
The invention aims to overcome organic phase change material photo-thermal conversion efficiency it is low, it is easy leakage, encapsulation require high Shortcoming, there is provided a kind of laminated film for having photothermal deformation and thermal energy storage and release function concurrently and preparation method thereof, pass through and filled out The surface plasmon resonance effect for the nanogold filled and the heat accumulation exothermic character of phase-change material, make composite phase-change film have light concurrently Hot-cast socket and thermal energy storage and the function of release, while effective encapsulation to organic phase change material is realized, obtain and have light concurrently The laminated film and preparation method of hot-cast socket and thermal energy storage and release function.
The present invention solves technical problem and adopted the following technical scheme that：
The present invention has the laminated film of photothermal deformation and thermal energy storage and release function concurrently, it is characterised in that：It is described compound Film is using polyvinyl alcohol as material of main part, filled with for providing the organic phase change material of heat accumulation emission capacity and providing photo-thermal The optical-thermal conversion material of transfer capability；
Organic phase change material quality accounts for 5-40% in the laminated film, and surplus is polyvinyl alcohol and photothermal deformation material Material；
The optical-thermal conversion material is nanogold particle.
Wherein, the polyvinyl alcohol is PVA1750 ± 50；The organic phase change material is fatty alcohol.
Preferably, the fatty alcohol is polyethylene glycol, the polyethylene glycol be preferably PEG1000, PEG2000 or PEG6000。
The preparation method of the above-mentioned laminated film for having photothermal deformation and thermal energy storage and release function concurrently, its feature are to wrap Include following steps：
A, the preparation of nanogold particle
The aqueous solution of chloraurate that 1.25mL concentration is 0.1M is added in 50mL ultra-pure waters, is heated with stirring to boiling, then add Enter the trisodium citrate aqueous solution that 750 μ L mass concentrations are 10%, continue return stirring 0.5 hour at 95 DEG C, treat that solution becomes For claret, stop stirring, be cooled to room temperature, obtain nanogold particle solution, be stored in standby in 4 DEG C of refrigerators；
B, the preparation of polyvinyl alcohol water solution
The dried polyvinyl alcohol of 5g is added in 95g ultra-pure waters, is swelled 4 hours under room temperature (about 25 DEG C), Ran Hou It is heated at reflux at 95 DEG C 4 hours, the mass fraction for obtaining colourless transparent and homogeneous is 5% polyvinyl alcohol water solution；
C, the preparation of the laminated film of photothermal deformation and thermal energy storage and release function is had concurrently
Take 20g steps b prepare polyvinyl alcohol water solution, be heated under stirring 45 DEG C and keep 0.5 hour, then according to The quality proportioning of organic phase change material and polyvinyl alcohol in target product, added into polyvinyl alcohol water solution a certain amount of organic The phase-change material aqueous solution, after stirring 2 hours, add the nanogold particle solution of step a preparations and be well mixed, obtain organic phase Become material-polyvinyl alcohol-nanometer au complex soln；
Finally measure organic phase change material-polyvinyl alcohol-nanometer au complex soln to be placed in arbitrary shape mould, in 50 DEG C Dried 12 hours in baking oven, then drying at room temperature 72 hours, solvent evaporated, produce and have photothermal deformation and thermal energy storage and release work(concurrently The laminated film of energy.
The laminated film of the present invention is using polyvinyl alcohol as material of main part, has surface plasma resonance function with trace Gold nano grain is optical-thermal conversion material, is formed plus the organic phase change material self assembly with heat accumulation emission capacity.In this hair In bright laminated film, because a diameter of 30nm or so nanogold particle has good absorption near 530nm, therefore select The 532nm green lasers to match with nanogold particle surface plasma resonance (LSPR) wavelength can be induced and received as light source Rice gold grain produces fuel factor, realizes photothermal deformation process, while organic phase change material can be inhaled during photothermal deformation Receive storage and release that heat carries out energy.And polyvinyl alcohol film forming can be packaged to organic phase change material, so as to very well Ground prevents the leakage and aging of organic phase change material.Therefore, prepared one kind has photothermal deformation and heat energy concurrently to the present invention simultaneously Storage and the laminated film of release function, good material system is provided for efficient utilize of heat energy.
Compared with the prior art, beneficial effects of the present invention are embodied in：
1st, it is simultaneous so as to obtain using polyvinyl alcohol film forming after the present invention mixes nanogold particle with organic phase change material Have photothermal deformation and the laminated film of thermal energy storage and release function.It is and small according to D.Keith Roper scientific researches in the prior art Group was in 2007《J.Phys.Chem.C》On report, they merely using gold nanosphere carry out photothermal deformation, photothermal deformation effect Rate is low, and range of temperature is smaller.
2nd, the present invention can be used as phase-change material to obtain not by using the polyethylene glycol with different carbon chain lengths With the nanogold composite phase change energy-storing thin-film material of phase transition temperature interval.As polyethylene glycol number-average molecular weight increases to from 1000 6000, because different polyethylene glycol has a different enthalpy of phase change and phase transition temperature, the storage emission capacity of composite film material and Storage exothermic temperature also changes therewith, can meet under each use condition to the needs of different temperatures requirement.
3rd, compared with traditional organic phase change material, the present invention has answering for photothermal deformation and thermal energy storage and release function concurrently Closing film also has good toughness and intensity, can be obtained by different moulds and different amount of solution with different shape With the film of thickness, different shapes can also be arbitrarily cut into, suitable for different application environments and device design.
4th, the present invention is simple to operate, and raw material is easy to get, and can be made in general chemical laboratory, easy to spread, is easy to more Application in field.
4th, illustrate
Fig. 1 is that different gold content organic phase change material-polyvinyl alcohol-nanogold prepared by the embodiment of the present invention 1 are compound molten Optical photograph corresponding to liquid, wherein the amount of added gold solution is followed successively by 0mL, 2mL, 6mL, 10mL from left to right.
Fig. 2 is that different gold content organic phase change material-polyvinyl alcohol-nanogold prepared by the embodiment of the present invention 1 are compound molten Uv absorption spectra corresponding to liquid, wherein the amount of added gold solution sequentially consists of 0mL, 2mL, 6mL, 10mL.
Fig. 3 is the optical photograph of different gold content laminated films prepared by the embodiment of the present invention 1, wherein added gold solution Amount be followed successively by 0mL, 2mL, 6mL, 10mL from left to right.
Fig. 4 is the optical photograph for preventing leak case of laminated film prepared by the embodiment of the present invention 2, can from figure Go out when temperature is higher than the phase transition temperature of organic phase change material, composite pattern does not have any change, but original phase-change material It is changed into liquid.
Fig. 5 is differential scanning calorimetry (DSC) test chart of composite film material prepared by the embodiment of the present invention 2, from figure As can be seen that the laminated film of the present embodiment has heat absorption exothermicity well, there is higher value.
Fig. 6 is that laminated film prepared by the embodiment of the present invention 2 is irradiated using 532nm laser in different laser power densities The Time-temperature figure of lower heating.
5th, embodiment
Technical scheme is described further below in conjunction with specific embodiment.
Embodiment 1
Have the laminated film of photothermal deformation and thermal energy storage and release function in the present embodiment concurrently, be using polyvinyl alcohol to be thin Film material of main part, using nanogold particle as optical-thermal conversion material, self assembly fills organic phase change material and is evaporated aqueous solvent and obtains Arrive, wherein organic phase change material PEG2000 solid content is 5%.
The laminated film for having photothermal deformation and thermal energy storage and release function in the present embodiment concurrently is to be prepared as follows Obtain：
A, the preparation of nanogold particle
The aqueous solution of chloraurate that 1.25mL concentration is 0.1M is added in 50mL ultra-pure waters, is heated with stirring to boiling, then add Enter the trisodium citrate aqueous solution that 750 μ L mass concentrations are 10%, continue return stirring 0.5 hour at 95 DEG C, stop stirring, Room temperature is cooled to, nanogold particle solution is obtained, is stored in standby in 4 DEG C of refrigerators；
B, the preparation of polyvinyl alcohol water solution
The dried polyvinyl alcohol of 5g is added in 95g ultra-pure waters, at room temperature swelling 4 hours, then at 95 DEG C next time Stream heating 4 hours, the mass fraction for obtaining colourless transparent and homogeneous is 5% polyvinyl alcohol water solution；
C, the preparation of the laminated film of photothermal deformation and thermal energy storage and release function is had concurrently
The polyvinyl alcohol water solution for taking 20g steps b to prepare, 45 DEG C are heated under stirring and is kept for 0.5 hour, then to poly- The polyethylene glycol PEG2000 aqueous solution that 2.63mL mass fractions are 2% is added in vinyl alcohol aqueous solution, after stirring 2 hours, then is divided Not Jia Ru 0mL, 2mL, 6mL, 10mL step a prepare nanogold particle solution and be well mixed, obtain organic phase change material-poly- second Enol-nanometer au complex soln；
4mL organic phase change material-polyvinyl alcohol-nanometer au complex solns are finally measured respectively is placed in arbitrary shape mould In, dried 12 hours in 50 DEG C of baking ovens, then drying at room temperature 72 hours, solvent evaporated, produce and have photothermal deformation concurrently and heat energy is deposited Storage and the laminated film of release function.
Fig. 1 is corresponding for different gold content organic phase change material-polyvinyl alcohol-nanometer au complex solns manufactured in the present embodiment Optical photograph, by Tu Ke get, the composite solution transparent and homogeneous of gained, when the addition of gold nano solution increases to from 0mL During 10mL, composite solution gradually becomes claret by colourless.
Fig. 2 is the purple of different gold content organic phase change material-polyvinyl alcohol-nanometer au complex solns manufactured in the present embodiment Outer to absorb figure, by Tu Ke get, when golden nanometer particle content increases, trap of the composite solution at wavelength 530nm gradually increases By force, trap is followed successively by 0,0.417,1.219,2.031.
Fig. 3 is that film (is placed on blank sheet of paper, to see by the optical photograph of different gold content laminated films manufactured in the present embodiment Go out the transparency of film, pcm word body be printed with blank sheet of paper), it can be seen that film color is uniform from photo, and with good Transparency.
Embodiment 2
For the preparation method of the present embodiment laminated film with embodiment 1, the amount of the nanogold particle solution added is 10mL, The difference is that the organic phase change material added is the PEG2000 aqueous solution that 3.33mL mass fractions are 20%, it is thus obtained PEG2000 solid content is 40% in film.
After tested, when embodiment 1 and embodiment 2 are using PEG2000 as organic phase change material, the phase alternating temperature of gained laminated film About 51~55 DEG C of degree.
Fig. 4 is the optical photograph that laminated film manufactured in the present embodiment prevents leak case, and upper figure is original PEG2000 materials Material, figure below is composite phase-change energy storage material manufactured in the present embodiment (PEG/PVA/Au), it can be seen that working as thermal station temperature When being gradually increased to 80 DEG C from 20 DEG C, original PEG2000 materials gradually melt and revealed, and are changed into liquid, and this implementation Composite phase-change energy storage material prepared by example is always maintained at original state, and any change does not occur, can keep good Stability Analysis of Structures Property.
Fig. 5 is polyethylene glycol PEG2000/ polyvinyl alcohol manufactured in the present embodiment/nanogold composite phase-change thin-film material DSC schemes.It can be seen that the fusing point of laminated film manufactured in the present embodiment is 53.92 DEG C, freezing point is 34.18 DEG C, tool There is a good heat accumulation exothermicity, value is very high.
Fig. 6 is heating figure of the laminated film manufactured in the present embodiment under the irradiation of 532nm laser, and laser power density is distinguished For 1.94w/cm2、4.25w/cm2、6.58w/cm2And 7.36w/cm2.It can be seen that laser irradiation power is higher, it is thin Film carries out photothermal deformation and elevated temperature is higher.It can be seen that laminated film can realize that good photo-thermal transfers to use, and in transformation temperature The storage and release of heat energy nearby can be effectively carried out, shows heat up platform and Cooling events.It follows that obtained answers Close film and have photothermal deformation and thermal energy storage and release function concurrently.
Embodiment 3
For the present embodiment preparation method with embodiment 1, the amount of the nanogold particle solution added is 10mL, the difference is that having Machine phase-change material is PEG1000, addition be respectively mass fraction be 2% PEG1000 aqueous solution 2.63mL, mass fraction be PEG1000 aqueous solution 1.25mL that 2% PEG1000 aqueous solution 5.55mL, mass fraction are 20%, mass fraction are 20% PEG1000 aqueous solution 3.33mL, in gained composite phase-change material PEG1000 solid content be respectively 5%, 10%, 20% and 40%.After tested, when the present embodiment is using PEG1000 as organic phase change material, the phase transition temperature of gained laminated film is about 35~ 40℃。
Embodiment 4
For the present embodiment preparation method with embodiment 1, the amount of the nanogold particle solution added is 10mL, the difference is that having Machine phase-change material is PEG6000, addition be respectively mass fraction be 2% PEG6000 aqueous solution 2.63mL, mass fraction be PEG6000 aqueous solution 1.25mL that 2% PEG6000 aqueous solution 5.55mL, mass fraction are 20%, mass fraction are 20% PEG6000 aqueous solution 3.33mL, in gained composite phase-change material PEG6000 solid content be respectively 5%, 10%, 20% and 40%.After tested, when the present embodiment is using PEG6000 as organic phase change material, the phase transition temperature of gained laminated film is about 60~ 65℃。

Claims (1)

  1. A kind of 1. preparation method for the laminated film for having photothermal deformation and thermal energy storage and release function concurrently, it is characterised in that：
    The laminated film is using polyvinyl alcohol as material of main part, filled with the organic phase-change material for providing heat accumulation emission capacity Material and the optical-thermal conversion material for providing photothermal deformation ability；Organic phase change material quality accounts for 5- in the laminated film 40%, surplus is polyvinyl alcohol and optical-thermal conversion material；
    The optical-thermal conversion material is nanogold particle；The polyvinyl alcohol is PVA1750 ± 50；The organic phase change material is Polyethylene glycol；
    The preparation method of the laminated film comprises the following steps：
    A, the preparation of nanogold particle
    The aqueous solution of chloraurate that 1.25mL concentration is 0.1M is added in 50mL ultra-pure waters, boiling is heated with stirring to, adds 750 μ L mass concentrations are 10% trisodium citrate aqueous solution, continue return stirring 0.5 hour at 95 DEG C, stop stirring, cooling To room temperature, nanogold particle solution is obtained, is stored in standby in 4 DEG C of refrigerators；
    B, the preparation of polyvinyl alcohol water solution
    The dried polyvinyl alcohol of 5g is added in 95g ultra-pure waters, is swelled at room temperature 4 hours, then backflow adds at 95 DEG C Heat 4 hours, the mass fraction for obtaining colourless transparent and homogeneous is 5% polyvinyl alcohol water solution；
    C, the preparation of the laminated film of photothermal deformation and thermal energy storage and release function is had concurrently
    The polyvinyl alcohol water solution for taking 20g steps b to prepare, 45 DEG C are heated under stirring and is kept for 0.5 hour, then according to target The quality proportioning of organic phase change material and polyvinyl alcohol in product, a certain amount of organic phase-change is added into polyvinyl alcohol water solution The material aqueous solution, after stirring 2 hours, add the nanogold particle solution of step a preparations and be well mixed, obtain organic phase-change material Material-polyvinyl alcohol-nanometer au complex soln；
    Finally measure organic phase change material-polyvinyl alcohol-nanometer au complex soln to be placed in arbitrary shape mould, in 50 DEG C of baking ovens Middle drying 12 hours, then drying at room temperature 72 hours, solvent evaporated, produce and have photothermal deformation and thermal energy storage and release function concurrently Laminated film.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812286A (en) * 2010-04-16 2010-08-25 北京大学 Mesoporous material-based composite phase change heat storage material and preparation method thereof
CN104888215A (en) * 2014-03-07 2015-09-09 中国科学院化学研究所 Fiber film coated with gold nanorods, and preparation method and application thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101812286A (en) * 2010-04-16 2010-08-25 北京大学 Mesoporous material-based composite phase change heat storage material and preparation method thereof
CN104888215A (en) * 2014-03-07 2015-09-09 中国科学院化学研究所 Fiber film coated with gold nanorods, and preparation method and application thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PEG／PVA高分子固一固相变储能材料的制备;周晓明;《合成树脂及塑料》;20090525;第26卷(第3期);第29-32页 *
接枝共聚法制备聚乙二醇(PEG) / 聚乙烯醇(PVA)高分子固-固相变材料性能研究;张梅 等;《高等学校化学学报》;20050131;第26卷(第1期);第170-174页 *

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