CN105778045B - Polyurethane material and its preparation method and application with electrochromic property - Google Patents
Polyurethane material and its preparation method and application with electrochromic property Download PDFInfo
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/785—Nitrogen containing tertiary amino groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/02—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3215—Polyhydroxy compounds containing aromatic groups or benzoquinone groups
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3802—Low-molecular-weight compounds having heteroatoms other than oxygen having halogens
- C08G18/3804—Polyhydroxy compounds
- C08G18/3812—Polyhydroxy compounds having fluorine atoms
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
- C08G18/3855—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur
- C08G18/3863—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms
- C08G18/3865—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms containing groups having one sulfur atom between two carbon atoms
- C08G18/3872—Low-molecular-weight compounds having heteroatoms other than oxygen having sulfur containing groups having sulfur atoms between two carbon atoms, the sulfur atoms being directly linked to carbon atoms or other sulfur atoms containing groups having one sulfur atom between two carbon atoms the sulfur atom belonging to a sulfoxide or sulfone group
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- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- 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
- C09K9/00—Tenebrescent 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
- C09K9/02—Organic tenebrescent materials
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- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
- C09K2211/1433—Carbocyclic compounds bridged by heteroatoms, e.g. N, P, Si or B
Abstract
Polyurethane material and its preparation method and application with electrochromic property, the present invention relates to the polyurethane materials and preparation method thereof with electrochromic property, it is not readily dissolved to solve conventional polyurethanes, it is difficult to process and not have the problem of electrochromic property.Preparation method：One, methyl oxyaniline and four fluoronitrobenzenes will be added in dimethyl sulfoxide solvent, reaction prepares methoxyl group dinitro triphenylamine；Two, reduction dinitro triphenylamine obtains diamino triphenylamine；Three, isocyanates is prepared；Four, isocyanates and aromatic bisphenols monomer are added in dimethylformamide, prepare polyurethane；Five, drying obtains polyurethane film.Using being that gel electrolyte solution is applied between polyurethane film and ion storage layer, the polyurethane device with electrochromic property is obtained after encapsulation.The present invention realizes the processing dissolubility of polyurethane and reversible electrochromic property by introducing triphenylamine into polyurethane material.
Description
Technical field
The present invention relates to a kind of polyurethane material and preparation method thereof with electrochromic property, and apply the polyurethane
Material is assembled into electrochromic device.
Background technology
Metachromatism is prevalent in nature, such as chameleon, its skin color usually with the variation of environment and
It changes.The material of different colours variation can be realized by applying different voltages by being developed according to this phenomenon people, i.e.,
Electrochromic material.Electrochromic material is because having good optics, electricity, electrochemical properties to be known as most having application prospect
One of intellectual material.Now, electrochromic material development is swift and violent, is more and more widely used in every field, such as display,
Smart window, anti-dazzle glasses, the fields such as sensor.Electrochromic material includes inorganic electrochromic material, organic electrochromic material
Material and conducting polymer etc..Wherein conducting polymer has color change rich colors gorgeous, and cyclic reversibility is good, conversion speed
The advantages that fast.
Polyurethane is known as " the fifth-largest plastics ", in daily life as a kind of emerging high-molecular organic material
It is widely used, can be applied to plastic products, adhesive, the fields such as fabric coating.High forces to polymerize between polymer molecule
Object is difficult dissolving or melting, this brings prodigious puzzlement to the processing and forming of polymer.
Long alkyl group or side chain are introduced on the main chain of polymer can change this disadvantage, but polymer is made to lose
Stability is gone.Triphenylamine derivative group is a stable spiral pulpous state group with electrochromic property, it is drawn
Enter to make in the main chain of polymer the solvable easy processing of polymer, while polymer electrochromic performance can be assigned again.
Invention content
The purpose of the present invention is to solve conventional polyurethanes to not readily dissolve, it is difficult to process and not have electrochromism
The problem of energy, and a kind of preparation method and applications of the polyurethane material with electrochromic property are provided.
There is the present invention structural formula of polyurethane material of electrochromic property to beWherein R represents the repetitive unit after biphenol monomer polycondensation, corresponding
Biphenol monomer is：
N in structure of the invention formula is the positive integer between 10~30.
There is the present invention preparation method of the polyurethane material of electrochromic property to follow these steps to realize：
One, methyl oxyaniline and four fluoronitrobenzenes will be added in dimethyl sulfoxide solvent, and will be passed through N2, at 70~190 DEG C
At a temperature of react 1~2 day, washed after filtering, drying obtain methoxyl group dinitro triphenylamine (solid product)；
Two, the Pd/C of methoxyl group dinitro triphenylamine and 5wt.% is put into reaction vessel, absolute ethyl alcohol and water is added
Hydrazine reagent is closed, 20~40h is reacted at a temperature of 70~150 DEG C, cold filtration removes Pd/C, has solid powder analysis in filtrate
Go out, then recrystallized using acetone, obtains diamino triphenylamine；
Three, the triphosgene of the diamino triphenylamine of 0.5~2g and 1~5g is put into reaction vessel, toluene reagent is added,
At 0~5 DEG C stir 1~5h, then heat to 80~150 DEG C react 1~3 day, filtering, obtained after drying isocyanates (Gu
Body product)；
Four, it is 0.5~1.5 according to molar ratio:1 isocyanates and the mixture of aromatic bisphenols monomer are added to dimethyl
In formamide, 10~30h is reacted at a temperature of 120~150 DEG C, importing in methanol has the precipitation of solid phase body, and filtering, is dried at purification
Polyurethane is obtained after dry；
Five, polyurethane is dissolved in dimethylformamide, is then spin coated onto on conductive ITO/glass, is obtained after vacuum drying
Polyurethane film；
It is 0.1~0.9 to the molar ratio of methyl oxyaniline and four fluoronitrobenzenes wherein in step 1:1；It is fragrant described in step 4
Biphenol monomer is 4,4'- (hexafluoro isopropyl) bis-phenol, 4,4' dihydroxydiphenyl sulfone or 4,4'- dihydroxy benaophenonels.
The present invention have the application of the polyurethane material of electrochromic property be the lithium perchlorate of 1~15g is dissolved in 20~
Then 150ml carbonic allyl ester solutions are added the polymethyl methacrylate of 1~10g, stir evenly, obtain gel electrolyte
Gel electrolyte solution is applied between polyurethane film and ion storage layer by solution, is obtained with electrochromism after encapsulation
The polyurethane device of energy.
Polyurethane material prepared by the present invention, which can make up conventional polyurethanes, cannot change colour, not readily dissolves and be difficult to
The shortcomings of, realize the processing dissolubility of polyurethane and reversible electrochromic property.Its electrochromism invertibity mechanism be due to
After applying positive voltage, the nitrogen-atoms in triphenylamine loses the oxidation state triphenylamine that electronics becomes positive monovalence；When applying negative voltage, oxygen
The triphenylamine of change state obtains electronics and is restored to reduction-state；The different valence state of oxidized and reduced corresponds to different colors.
It is (different by adding different voltage to obtain that electrochromism spectrum test is carried out to the polyurethane film that the present invention obtains
Ultraviolet figure), heretofore described polyurethane absorption peak changes with the raising of voltage.Between 400~800nm
Peak gradually rises with the raising of current potential, and the color of polymer is from yellow to blue-green, it was demonstrated that the polyurethane can occur electroluminescent
Metachromatism.
Description of the drawings
Fig. 1 is the IR Characterization figure of the isocyanates and three kinds of polyurethane of embodiment one；
Fig. 2 is the structural schematic diagram of the polyurethane device obtained in Application Example, wherein 1-glass, 2-ITO, 3-
Polyurethane film, 4-gel electrolytes, 5-ion storage layers, 6-epoxy resin；
Fig. 3 is the cyclic voltammogram of polyurethane film a；
Fig. 4 is the electrochromism collection of illustrative plates of polyurethane film a.
Specific implementation mode
Specific implementation mode one：Present embodiment has the preparation method of the polyurethane material of electrochromic property by following
Step is implemented：
One, it is 0.1~0.9 in molar ratio:1 will be added to dimethyl sulfoxide solvent to methyl oxyaniline and four fluoronitrobenzenes
In, it is passed through N2, react 1~2 day at a temperature of 70~190 DEG C, washed after filtering, drying obtains methoxyl group dinitro triphenylamine
(solid product)；
Two, the Pd/C of methoxyl group dinitro triphenylamine and 5wt.% is put into reaction vessel, absolute ethyl alcohol and water is added
Hydrazine reagent is closed, 20~40h is reacted at a temperature of 70~150 DEG C, cold filtration removes Pd/C, has solid powder analysis in filtrate
Go out, then recrystallized using acetone, obtains diamino triphenylamine；
Three, the triphosgene of the diamino triphenylamine of 0.5~2g and 1~5g is put into reaction vessel, toluene reagent is added,
At 0~5 DEG C stir 1~5h, then heat to 80~150 DEG C react 1~3 day, filtering, obtained after drying isocyanates (Gu
Body product)；
Four, it is 0.5~1.5 according to molar ratio:1 isocyanates and the mixture of aromatic bisphenols monomer are added to dimethyl
In formamide, 10~30h is reacted at a temperature of 120~150 DEG C, importing in methanol has the precipitation of solid phase body, and filtering, is dried at purification
Polyurethane is obtained after dry；
Five, polyurethane is dissolved in dimethylformamide, is then spin coated onto on conductive ITO/glass, is obtained after vacuum drying
Polyurethane film；
Wherein aromatic bisphenols monomer described in step 4 be 4,4'- (hexafluoro isopropyl) bis-phenol, 4,4' dihydroxydiphenyl sulfone or
4,4'- dihydroxy benaophenonels.
Present embodiment has synthesized three kinds of new polyurethanes, has synthesized a kind of new isocyanate first, has contained triphenylamine
Then its dihydroxylic reaction different with 3 kinds is generated polyurethane by derivatives group-methyl triphenylamine.Polyurethane is carried out
The characterizations such as infrared, nuclear-magnetism, and to its electrochromism property, stability, spectral characteristic is tested.Polyurethane film is carried out
Cyclic voltammetry, voltage range are 0~2V；Its oxidizing potential, reduction potential are about 0.9~1.1V and 0.5~0.8V, color
Respectively yellow and blue-green.
Specific implementation mode two：The present embodiment is different from the first embodiment in that dimethyl sulfoxide (DMSO) is molten in step 1
The molar concentration of four fluoronitrobenzenes is 1~4mol/L in agent.Other steps and parameter are same as the specific embodiment one.
Specific implementation mode three：The present embodiment is different from the first and the second embodiment in that methoxyl group two in step 2
The mass ratio of the Pd/C of nitrotrianiline and 5wt.% are (0.5~3)：(0.5~2).Other steps and parameter and specific implementation
Mode one or two is identical.
Specific implementation mode four：Step 2 is at 80 DEG C unlike one of present embodiment and specific implementation mode one to three
At a temperature of react 20h.Other steps and parameter are identical as one of specific implementation mode one to three.
Specific implementation mode five：Step 3 uses rope unlike one of present embodiment and specific implementation mode one to four
Family name's extractor purifies 30~50h of polyurethane.Other steps and parameter are identical as one of specific implementation mode one to four.
Specific implementation mode six：Step 5 dimethyl unlike one of present embodiment and specific implementation mode one to five
A concentration of 0.1~1g/ml of polyurethane in formamide.Other steps and parameter are identical as one of specific implementation mode one to five.
Specific implementation mode seven：Poly- ammonia in step 5 unlike one of present embodiment and specific implementation mode one to six
The thickness of ester film is 1~10 μm.Other steps and parameter are identical as one of specific implementation mode one to six.
Specific implementation mode eight：It is by 1~15g that present embodiment, which has the application of the polyurethane material of electrochromic property,
Lithium perchlorate be dissolved in 20~150ml carbonic allyl ester solutions, the polymethyl methacrylate of 1~10g is then added, stirring is equal
It is even, gel electrolyte solution is obtained, gel electrolyte solution is applied between polyurethane film and ion storage layer, after encapsulation
To the polyurethane device with electrochromic property.
Specific implementation mode nine：The lithium perchlorate of 10g is dissolved in by present embodiment unlike specific implementation mode eight
Then 100ml carbonic allyl ester solutions are added the polymethyl methacrylate of 6g, stir evenly, obtain gel electrolyte solution,
Gel electrolyte solution is applied between polyurethane film and ion storage layer, the both sides epoxy resin of gel electrolyte solution
Edge sealing obtains the polyurethane device with electrochromic property after encapsulation.
Present embodiment, by two layers of electrode edge sealing, influences to survey by epoxy resin to prevent gel electrolyte from volatilizing or flow out
Try effect.
Embodiment one：There is the present embodiment the preparation method of the polyurethane material of electrochromic property to follow these steps reality
It applies：
One, it is 1 in molar ratio:2 will be added in dimethyl sulfoxide solvent methyl oxyaniline and four fluoronitrobenzenes, be passed through
N2, react 1 day at a temperature of 120 DEG C, washed after filtering, drying obtains methoxyl group dinitro triphenylamine (solid product)；
Two, the Pd/C of 1.4g methoxyl group dinitro triphenylamines and 0.5g 5wt.% is put into there-necked flask, 100ml is added
Absolute ethyl alcohol and 5ml are hydrated hydrazine reagent, and 20h is reacted at a temperature of 80 DEG C, and cold filtration removes Pd/C, has solid powder in filtrate
End is precipitated, and is then recrystallized using acetone, the dinitro triphenylamine restored i.e. diamino triphenylamine；
Three, the triphosgene of the diamino triphenylamine of 1.45g and 1g is put into there-necked flask, the toluene reagent of 20ml is added,
2h is stirred at 0 DEG C, 100 DEG C is then heated to and reacts 1 day, filtering obtains isocyanates (solid product) after drying；
Four, it is 1 according to molar ratio:1 isocyanates and the mixture of aromatic bisphenols monomer are added to dimethylformamide
In, 10h is reacted at a temperature of 120 DEG C, importing in methanol has the precipitation of solid phase body, and (Soxhlet extractor purifies poly- ammonia for filtering, purification
Ester about 50h), drying after obtain polyurethane；
Five, 0.1g polyurethane is dissolved in 3ml dimethylformamides, is then spin coated onto on conductive ITO/glass, vacuum drying
After obtain polyurethane film.
The present embodiment step 4 aromatic bisphenols monomer is respectively 4,4'- (hexafluoro isopropyl) bis-phenol, 4,4'- dihydroxy hexichol
When sulfone, 4,4'- dihydroxy benaophenonels, IR Characterization figure such as Fig. 1 institutes of the polyurethane a, polyurethane b, polyurethane c that respectively obtain
Show, d represents isocyanates in figure, and a represents polyurethane a, and b represents polyurethane b, c and represents polyurethane c.
Application Example：The lithium perchlorate of 10g is dissolved in 100ml carbonic allyl ester solutions, the poly- methyl of 6g is then added
Methyl acrylate stirs evenly, and obtains gel electrolyte solution, and gel electrolyte solution is applied to polyurethane film a and ion
The polyurethane device with electrochromic property is obtained between storage layer, after encapsulation.
The structure chart for the polyurethane device that the present embodiment obtains is as shown in Figure 2.
Cyclic voltammetry is carried out to the present embodiment polyurethane film, cyclic voltammogram is as shown in figure 3, voltage range is 0
~1.5V；Its oxidizing potential, reduction potential are about 1.1V and 0.6V, and color is yellow and blue-green.Electrochromism collection of illustrative plates such as Fig. 4
Shown, the polyurethane absorption peak in the present embodiment changes with the raising of voltage.Peak between 400~800nm with
The raising of current potential and gradually rise, the color of polymer is from yellow to blue-green, it was demonstrated that the polyurethane occur electrochromism phenomenon.
Claims (9)
1. the polyurethane material with electrochromic property, it is characterised in that should be with the polyurethane material of electrochromic property
Structural formula isWherein R represents the repetition list after biphenol monomer polycondensation
Member, corresponding biphenol monomer are：
N wherein in structural formula is the positive integer between 10~30.
2. as described in claim 1 with electrochromic property polyurethane material preparation method, it is characterised in that be by
The following steps are realized：
One, methyl oxyaniline and 4- fluoronitrobenzenes will be added in dimethyl sulfoxide solvent, and will be passed through N2, in 70~190 DEG C of temperature
Lower reaction 1~2 day, is washed after filtering, and drying obtains methoxyl group dinitro triphenylamine；
Two, the Pd/C of methoxyl group dinitro triphenylamine and 5wt.% is put into reaction vessel, absolute ethyl alcohol and hydrazine hydrate is added
Reagent, reacts 20~40h at a temperature of 70~150 DEG C, and cold filtration removes Pd/C, has solid powder precipitation in filtrate, so
It is recrystallized afterwards using acetone, obtains methoxyl group diamino triphenylamine；
Three, the triphosgene of the methoxyl group diamino triphenylamine of 0.5~2g and 1~5g is put into reaction vessel, toluene examination is added
1~5h is stirred in agent at 0~5 DEG C, is then heated to 80~150 DEG C and is reacted 1~3 day, and filtering obtains isocyanates after drying；
Four, it is 0.5~1.5 according to molar ratio:1 isocyanates and the mixture of aromatic bisphenols monomer are added to dimethyl formyl
In amine, 10~30h is reacted at a temperature of 120~150 DEG C, importing in methanol has the precipitation of solid phase body, after filtering, purification, drying
Obtain polyurethane；
Five, polyurethane is dissolved in dimethylformamide, is then spin coated onto in obtaining poly- ammonia on conductive ITO/glass, after vacuum drying
Ester film；
It is 0.1~0.9 to the molar ratio of methyl oxyaniline and 4- fluoronitrobenzenes wherein in step 1:1；Aromatic bisphenols described in step 4
Monomer is 4,4 '-(hexafluoro isopropyl) bis-phenols, 4,4 '-dihydroxydiphenylsulisomers or 4,4 '-dihydroxy benaophenonels.
3. the preparation method of the polyurethane material according to claim 2 with electrochromic property, it is characterised in that step
The molar concentration of 4- fluoronitrobenzenes is 1~4mol/L in dimethyl sulfoxide solvent in rapid one.
4. the preparation method of the polyurethane material according to claim 2 with electrochromic property, it is characterised in that step
The mass ratio of the Pd/C of methoxyl group dinitro triphenylamine and 5wt.% are (0.5~3) in rapid two：(0.5~2).
5. the preparation method of the polyurethane material according to claim 2 with electrochromic property, it is characterised in that step
Rapid two react 20h at a temperature of 80 DEG C.
6. the preparation method of the polyurethane material according to claim 2 with electrochromic property, it is characterised in that step
A concentration of 0.1~1g/ml of polyurethane in rapid five dimethylformamide.
7. the preparation method of the polyurethane material according to claim 2 with electrochromic property, it is characterised in that step
The thickness of polyurethane film is 1~10 μm in rapid five.
8. the application of the polyurethane material with electrochromic property as described in claim 1, it is characterised in that be by 1~
The lithium perchlorate of 15g is dissolved in 20~150ml carbonic allyl ester solutions, and the polymethyl methacrylate of 1~10g is then added, stirs
It mixes uniformly, obtains gel electrolyte solution, gel electrolyte solution is applied between polyurethane film and ion storage layer, encapsulate
The polyurethane device with electrochromic property is obtained afterwards.
9. the application of the polyurethane material according to claim 8 with electrochromic property, it is characterised in that by 10g's
Lithium perchlorate is dissolved in 100ml carbonic allyl ester solutions, and the polymethyl methacrylate of 6g is then added, stirs evenly, is coagulated
Glue electrolyte solution, gel electrolyte solution is applied between polyurethane film and ion storage layer, gel electrolyte solution
Both sides epoxy resin edge sealing obtains the polyurethane device with electrochromic property after encapsulation.
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| CN102675589B (en) * | 2012-05-24 | 2013-08-07 | 黑龙江大学 | Electrochromatic material made of isocyanate-triphenylamine and method for preparing electrochromatic material |
| CN104610544A (en) * | 2015-02-16 | 2015-05-13 | 哈尔滨工业大学 | Preparation method of thermal-control polyimide material and method for preparing devices from material |
| CN104877100B (en) * | 2015-05-21 | 2017-10-10 | 黑龙江大学 | A kind of polyurethane containing triaryl amine and its preparation method and application |
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2016
- 2016-04-25 CN CN201610264711.9A patent/CN105778045B/en active Active
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