CN106220780B - A kind of preparation method for the camouflage painting color-changing membrane that chameleon is bionical - Google Patents
A kind of preparation method for the camouflage painting color-changing membrane that chameleon is bionical Download PDFInfo
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Abstract
The present invention relates to a kind of preparation methods of camouflage painting color-changing membrane that chameleon is bionical, using following steps: (1) heat-sensible high polymer monomer is blended in deionized water with nano-metal particle, surfactant, crosslinking agent, aided initiating and initiator, obtains mixed solution；(2) mixed solution is injected in silica photonic crystal template, it stands to after the completion of polymerizeing to immerse template and obtains reverse version in hydrofluoric acid solution, antitemplate is impregnated in deionized water after cleaning repeatedly in deionized water, obtains heat-sensible high polymer coupled nanosecond metallic particles chameleon bionic thin film.Compared with prior art, the present invention can have sensitive color change corresponding to temperature, visible light, near-infrared.
Description
Technical field
The present invention relates to a kind of preparation methods of camouflage painting color-changing membrane, more particularly, to a kind of camouflage color that chameleon is bionical
Pretend the preparation method of color-changing membrane.
Background technique
Nature biotechnology is varied, by 1 years evolutionary developments, so that they have many special adaptations certainly
The ability of right environment, the ability that these artificial materials do not have cause the very big concern of scientists.Wherein, chameleon with
Its research hotspot for becoming bionical subject with the ability that environmental factor rapidly changes color.Chameleon biomimetic material can be with
For sensor, hidden and war industry etc. is pretended in environmental information coding and transmitting.In order to realize chameleon effect,
Main application means have at this stage: single to keep identical as ambient color to reach camouflaging purpose, such as military camouflage color
Take camouflage color japanning；Changed using implantation electronic chip induction ambient conditions, is controlled by computer to reach and change material color
Purpose, such as chameleon electronic skin；Meanwhile various off-color materials (such as electrochromism, temperature induced color changing, light-induced variable can be applied
Color), change material color by corresponding conditions stimulation to achieve the purpose that prepare chameleon biomimetic material.Above method is deposited
In the disadvantage that cost is high, application surface is narrow, cannot be single to the response simultaneously of a variety of environmental factors and color change, so for becoming
The research of the preparation method of the bionical camouflage painting material of color dragon, there are still very large spaces.
With development in science and technology, requirement of the people to chameleon biomimetic material is increasingly increased.Reaching to a variety of
While environmental factor is responded, also require material that can carry out color change abundant, thus reach information transmitting and
Pretend hidden effect.Environmental factor mainly includes temperature and illumination two parts, so, while to temperature and light sensitive
Material is the optimal selection for preparing chameleon biomimetic material.Temperature-sensitive polymers as a kind of most common off-color material, with
Its unique advantage is play an important role in chameleon biomimetic material.Temperature sensitive macromolecule is not only temperature sensitive, while can be with
Infrared light is responded using photothermal conversion effect, this greatly expands the response range of material, while temperature sensitive macromolecule
Have many advantages, such as low cost, preparation simplicity, performance easy-regulating.But due to the influence of material nature, temperature sensitive macromolecule pair
Environmental factor does not have color response abundant, this is one of its disadvantage.Visible light has weight in regulation chameleon discoloration behavior
Act on and production and living in a kind of essential environmental stimulus condition.Visible phototropic is responded however, it is possible to realize
Temperature sensitive macromolecule it is fewer and fewer, therefore, how to realize that chameleon biomimetic material is one to visible light stimuli responsive and urgently solves
Certainly the problem of.
Therefore, seeking one kind may be implemented to become to temperature and full spectrum light according to stimuli responsive and with bright-colored simultaneously
The technical method of the chameleon biomimetic material of change, has important practical significance.
In order to reach this technical requirements, needs to make the bionical camouflage painting color-changing membrane of the chameleon of high technology content, have
Body requires: temperature is sensitive, full spectrum sensitive, response rapidly, color change is obvious, low cost and preparation are easy.
After searching and discovering the prior art, Yokohama national university utilizes N-isopropylacrylamide and methacrylic acid
Polymer be prepared for temperature the temperature sensitive high molecular material of the sensitive response between 16~32 DEG C, and using inside macromolecule
Ion concentration variation realizes response of the film to electro photoluminescence.And it makes use of temperature sensitive macromolecule as temperature and electric current change
The changed characteristic of volume introduces photon crystal structure in macromolecule to realize the multiple color response to temperature.
(the full-color indicator [J] of Ueno K, Matsubara K, Watanabe M, et a kind of pair of electric heating stimuli responsive of al.
.Advanced Materials,2007,19(19):2807-2812.)
But the prior art only realizes the temperature in very narrow temperature change section and has sensitive discoloration behavior,
It then has no idea to realize response for higher or lower temperature, while the technology can not carry out color change to light stimulation
The response of change.Also, the more long higher cost of whole preparation process time-consuming, is unfavorable for actual production.
Chinese patent CN104419096A discloses a kind of thermosensitive chromotropic material and preparation method thereof, wherein heat-sensitive variable colour material
Material, is grouped as by the group of following parts by weight: 100 parts of polyvinyl chloride, 0.5~3 part of thermosensitive chromotropic material, and processing aid 4~15
Part, thermosensitive chromotropic material is selected from CoCl2·2C5H12N4·10H2O.But the material cannot achieve to warm infrared light and visible
Light etc., which is all realized, compares colour response.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind can to temperature, can
The preparation method for the camouflage painting color-changing membrane that light-exposed, near-infrared has the sensitive corresponding chameleon of color change bionical.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of preparation method for the camouflage painting color-changing membrane that chameleon is bionical, using following steps:
(1) by heat-sensible high polymer monomer and nano-metal particle, surfactant, crosslinking agent, aided initiating and initiator
It is blended in deionized water, obtains mixed solution；
(2) mixed solution is injected in silica photonic crystal template, stands and template is immersed into hydrogen to after the completion of polymerizeing
Reverse version is obtained in fluorspar acid solution, antitemplate is impregnated in deionized water after cleaning repeatedly in deionized water, and it is high to obtain temperature-sensitive
Molecules nano-metal particle chameleon bionic thin film.
The heat-sensible high polymer monomer be N-isopropylacrylamide, different vinylisobutyramide, methyl vinyl ether, it is dense
Degree is 50~150g/L.
The nano-metal particle include partial size be 10~20nm spherical nanogold particle, partial size be 30~50nm's
Cage-shaped nano gold particle, partial size be the spherical nano-Ag particles of 5~30nm, 20~30nm of partial size cubic nano-Ag particles or
Partial size is the spherical nano copper particle of 10~20nm.
The nano-metal particle preferably to the cubic nano-Ag particles of the 20nm of 390nm monochromatic light influx and translocation,
To the spherical nano-Ag particles of 5nm of the monochromatic light influx and translocation of 400nm, spherical to the 20nm of 420nm monochromatic light influx and translocation receive
Rice Argent grain, to the spherical nano-Ag particles of 30nm of 430nm monochromatic light influx and translocation, to 520nm monochromatic light influx and translocation
The spherical nano-Ag particles of 10nm, to the spherical nanogold particle of 15nm of 528nm monochromatic light influx and translocation, to 590nm monochromatic light
The spherical nano copper particle of the 10nm of influx and translocation, the 30nm cage-shaped nano gold particle to 790nm monochromatic light influx and translocation.
The surfactant is polyvinylpyrrolidone, neopelex or cetyl trimethyl bromination
Ammonium, the crosslinking agent are N, and N- methylene-bisacrylamide, the aided initiating is tetramethylethylenediamine, the initiation
Agent is ammonium persulfate.
The heat-sensible high polymer monomer and the mass ratio of surfactant, crosslinking agent, aided initiating and initiator be
1:0.001~0.003:0.01~0.03:0.001~0.003:0.0001~0.0003.
The mass ratio of the heat-sensible high polymer monomer and nano-metal particle is 1:1 × 10-9~3 × 10-9。
The silica photonic crystal template is dioxy of the partial size of stober method preparation between 250~300nm
SiClx photonic crystal template.
The concentration of the hydrofluoric acid solution is 10.0~15.0g/L.
The antitemplate is cleaned repeatedly in deionized water to conductivity 2-5us/cm.
The blend solution of the heat-sensible high polymer monomer and nano-metal particle also can be used as paint vehicle, in object table finishing coat
Apply film forming.
Compared with prior art, the invention has the following advantages that
1, the color response to different temperatures may be implemented using different heat-sensible high polymers；
2, after adding nano-noble metal particle, the high thermal conductivity coefficient having due to itself and low specific heat capacity can be with
Enhance the photothermal conversion efficiency of infrared light, to improve sensitivity of the film to infrared light, is pierced so that film changes in infrared light
There is richer color to show under swashing；
3, after adding nano-noble metal particle, since it has to the characteristic absorption peak of spectrum, (nanogold 528~
540nm, nano silver is in 420~440nm, and Nanometer Copper is in 585~600nm), film can be enhanced, the absorption of these visible lights is mentioned
Height equally realizes the response to these visible lights to these monochromatic photothermal conversion efficiencies by photothermal conversion；
4, it is added to after photonic crystal, temperature and light stimulation can be given expression to by photonic crystal structure color rich
Rich chromatic colour variation.
Detailed description of the invention
Fig. 1 is color of the bionical camouflage painting color-changing membrane of chameleon to temperature change for being compounded with 10nm nanogold particle
Response；
Fig. 2 is to be compounded with the bionical camouflage painting color-changing membrane of chameleon of 10nm nanogold particle to visible light and close red
The color response of outer illumination.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
It is cleaned by ultrasonic 15min in deionized water to anti-application container used and is repeated four times, abundant washed container.Match
Quick high polymer monomer solution is heated, wherein N-isopropylacrylamide 100g/L, nanogold 1.0 × 109G/L, polyvinylpyrrolidine
Ketone 2.0g/L, methylene-bisacrylamide 1.0g/L, tetramethylethylenediamine 0.1g/L and ammonium persulfate 0.0001g/L.In room
Stirring, is gone in wherein 10 μ L injection photon crystal template rapidly under the conditions of temperature.It is stored at room temperature the completion to be polymerized such as 30min.It will
Photonic crystal template with heat-sensible high polymer is immersed in the hydrofluoric acid solution of 50mL mass concentration 1.5%, and room temperature reaction 6 is small
When.After photonic crystal all etches, the photonic crystal antitemplate of heat-sensible high polymer coupled nanosecond noble metal granule is taken out, is used
It is impregnated after deionized water repeated flushing in deionized water, not having 30min to change, water is primary, and progress 4 times, residual in film to guarantee in total
The hydrofluoric acid stayed is washed off, and then film saves in pure water, as the chameleon of heat-sensible high polymer coupled nanosecond metallic particles
Bionic thin film.
Embodiment 2
It is cleaned by ultrasonic 15min in deionized water to anti-application container used and is repeated four times, abundant washed container.Match
Quick high polymer monomer solution is heated, wherein N-isopropylacrylamide 100g/L, nanogold 2.0 × 109G/L, polyvinylpyrrolidine
Ketone 4.0g/L, methylene-bisacrylamide 2.0g/L, tetramethylethylenediamine 0.2g/L and ammonium persulfate 0.0002g/L.In room
Stirring, is gone in wherein 10 μ L injection photon crystal template rapidly under the conditions of temperature.It is stored at room temperature the completion to be polymerized such as 30min.It will
Photonic crystal template with heat-sensible high polymer is immersed in the hydrofluoric acid solution of 50mL mass concentration 1.5%, and room temperature reaction 6 is small
When.After photonic crystal all etches, the photonic crystal antitemplate of heat-sensible high polymer coupled nanosecond noble metal granule is taken out, is used
It is impregnated after deionized water repeated flushing in deionized water, not having 30min to change, water is primary, and progress 4 times, residual in film to guarantee in total
The hydrofluoric acid stayed is washed off, and then film saves in pure water, as the chameleon of heat-sensible high polymer coupled nanosecond metallic particles
Bionic thin film.
Embodiment 3
It is cleaned by ultrasonic 15min in deionized water to anti-application container used and is repeated four times, abundant washed container.Match
Quick high polymer monomer solution is heated, wherein N-isopropylacrylamide 100g/L, nanogold 3.0 × 109G/L, polyvinylpyrrolidine
Ketone 6.0g/L, methylene-bisacrylamide 3.0g/L, tetramethylethylenediamine 0.3g/L and ammonium persulfate 0.0003g/L.In room
Stirring, is gone in wherein 10 μ L injection photon crystal template rapidly under the conditions of temperature.It is stored at room temperature the completion to be polymerized such as 30min.It will
Photonic crystal template with heat-sensible high polymer is immersed in the hydrofluoric acid solution of 50mL mass concentration 1.5%, and room temperature reaction 6 is small
When.After photonic crystal all etches, the photonic crystal antitemplate of heat-sensible high polymer coupled nanosecond noble metal granule is taken out, is used
It is impregnated after deionized water repeated flushing in deionized water, not having 30min to change, water is primary, and progress 4 times, residual in film to guarantee in total
The hydrofluoric acid stayed is washed off, and then film saves in pure water, as the chameleon of heat-sensible high polymer coupled nanosecond metallic particles
Bionic thin film.
Embodiment 4
It is cleaned by ultrasonic 15min in deionized water to anti-application container used and is repeated four times, abundant washed container.Match
Quick high polymer monomer solution is heated, wherein different vinylisobutyramide 100g/L, nano silver 1.0 × 109G/L, detergent alkylate
Sodium sulfonate 2.0g/L, methylene-bisacrylamide 1.0g/L, tetramethylethylenediamine 0.1g/L and ammonium persulfate 0.0001g/L.
Stirring, is gone in wherein 10 μ L injection photon crystal template rapidly at room temperature.It is to be polymerized complete to be stored at room temperature 30min etc.
At.Photonic crystal template with heat-sensible high polymer is immersed in the hydrofluoric acid solution of 50mL mass concentration 1.5%, room temperature is anti-
It answers 6 hours.After photonic crystal all etches, the photonic crystal reverse of heat-sensible high polymer coupled nanosecond noble metal granule is taken out
Plate, with impregnating in deionized water after deionized water repeated flushing, not having 30min to change, water is primary, and progress 4 times, thin to guarantee in total
Remaining hydrofluoric acid is washed off in film, and then film saves in pure water, as heat-sensible high polymer coupled nanosecond metallic particles
Chameleon bionic thin film.
Embodiment 5
It is cleaned by ultrasonic 15min in deionized water to anti-application container used and is repeated four times, abundant washed container.Match
Quick high polymer monomer solution is heated, wherein different vinylisobutyramide 100g/L, nano silver 2.0 × 109G/L, detergent alkylate
Sodium sulfonate 4.0g/L, methylene-bisacrylamide 2.0g/L, tetramethylethylenediamine 0.2g/L and ammonium persulfate 0.0002g/L.
Stirring, is gone in wherein 10 μ L injection photon crystal template rapidly at room temperature.It is to be polymerized complete to be stored at room temperature 30min etc.
At.Photonic crystal template with heat-sensible high polymer is immersed in the hydrofluoric acid solution of 50mL mass concentration 1.5%, room temperature is anti-
It answers 6 hours.After photonic crystal all etches, the photonic crystal reverse of heat-sensible high polymer coupled nanosecond noble metal granule is taken out
Plate, with impregnating in deionized water after deionized water repeated flushing, not having 30min to change, water is primary, and progress 4 times, thin to guarantee in total
Remaining hydrofluoric acid is washed off in film, and then film saves in pure water, as heat-sensible high polymer coupled nanosecond metallic particles
Chameleon bionic thin film.
Embodiment 6
It is cleaned by ultrasonic 15min in deionized water to anti-application container used and is repeated four times, abundant washed container.Match
Quick high polymer monomer solution is heated, wherein different vinylisobutyramide 100g/L, nano silver 3.0 × 109G/L, detergent alkylate
Sodium sulfonate 6.0g/L, methylene-bisacrylamide 3.0g/L, tetramethylethylenediamine 0.3g/L and ammonium persulfate 0.0003g/L.
Stirring, is gone in wherein 10 μ L injection photon crystal template rapidly at room temperature.It is to be polymerized complete to be stored at room temperature 30min etc.
At.Photonic crystal template with heat-sensible high polymer is immersed in the hydrofluoric acid solution of 50mL mass concentration 1.5%, room temperature is anti-
It answers 6 hours.After photonic crystal all etches, the photonic crystal reverse of heat-sensible high polymer coupled nanosecond noble metal granule is taken out
Plate, with impregnating in deionized water after deionized water repeated flushing, not having 30min to change, water is primary, and progress 4 times, thin to guarantee in total
Remaining hydrofluoric acid is washed off in film, and then film saves in pure water, as heat-sensible high polymer coupled nanosecond metallic particles
Chameleon bionic thin film.
Embodiment 7
It is cleaned by ultrasonic 15min in deionized water to anti-application container used and is repeated four times, abundant washed container.Match
Quick high polymer monomer solution is heated, wherein methyl vinyl ether 100g/L, Nanometer Copper 1.0 × 109G/L, cetyl trimethyl
Ammonium bromide 2.0g/L, methylene-bisacrylamide 1.0g/L, tetramethylethylenediamine 0.1g/L and ammonium persulfate 0.0001g/L.
Stirring, is gone in wherein 10 μ L injection photon crystal template rapidly at room temperature.It is to be polymerized complete to be stored at room temperature 30min etc.
At.Photonic crystal template with heat-sensible high polymer is immersed in the hydrofluoric acid solution of 50mL mass concentration 1.5%, room temperature is anti-
It answers 6 hours.After photonic crystal all etches, the photonic crystal reverse of heat-sensible high polymer coupled nanosecond noble metal granule is taken out
Plate, with impregnating in deionized water after deionized water repeated flushing, not having 30min to change, water is primary, and progress 4 times, thin to guarantee in total
Remaining hydrofluoric acid is washed off in film, and then film saves in pure water, as heat-sensible high polymer coupled nanosecond metallic particles
Chameleon bionic thin film.
Embodiment 8
It is cleaned by ultrasonic 15min in deionized water to anti-application container used and is repeated four times, abundant washed container.Match
Quick high polymer monomer solution is heated, wherein methyl vinyl ether 100g/L, Nanometer Copper 2.0 × 109G/L, cetyl trimethyl
Ammonium bromide 4.0g/L, methylene-bisacrylamide 2.0g/L, tetramethylethylenediamine 0.2g/L and ammonium persulfate 0.0002g/L.
Stirring, is gone in wherein 10 μ L injection photon crystal template rapidly at room temperature.It is to be polymerized complete to be stored at room temperature 30min etc.
At.Photonic crystal template with heat-sensible high polymer is immersed in the hydrofluoric acid solution of 50mL mass concentration 1.5%, room temperature is anti-
It answers 6 hours.After photonic crystal all etches, the photonic crystal reverse of heat-sensible high polymer coupled nanosecond noble metal granule is taken out
Plate, with impregnating in deionized water after deionized water repeated flushing, not having 30min to change, water is primary, and progress 4 times, thin to guarantee in total
Remaining hydrofluoric acid is washed off in film, and then film saves in pure water, as heat-sensible high polymer coupled nanosecond metallic particles
Chameleon bionic thin film.
Embodiment 9
It is cleaned by ultrasonic 15min in deionized water to anti-application container used and is repeated four times, abundant washed container.Match
Quick high polymer monomer solution is heated, wherein methyl vinyl ether 100g/L, Nanometer Copper 3.0 × 109G/L, cetyl trimethyl
Ammonium bromide 6.0g/L, methylene-bisacrylamide 3.0g/L, tetramethylethylenediamine 0.3g/L and ammonium persulfate 0.0003g/L.
Stirring, is gone in wherein 10 μ L injection photon crystal template rapidly at room temperature.It is to be polymerized complete to be stored at room temperature 30min etc.
At.Photonic crystal template with heat-sensible high polymer is immersed in the hydrofluoric acid solution of 50mL mass concentration 1.5%, room temperature is anti-
It answers 6 hours.After photonic crystal all etches, the photonic crystal reverse of heat-sensible high polymer coupled nanosecond noble metal granule is taken out
Plate, with impregnating in deionized water after deionized water repeated flushing, not having 30min to change, water is primary, and progress 4 times, thin to guarantee in total
Remaining hydrofluoric acid is washed off in film, and then film saves in pure water, as heat-sensible high polymer coupled nanosecond metallic particles
Chameleon bionic thin film.
Fig. 1 is the relationship between the optical band gap and temperature change of the bionical camouflage painting optically variable films of chameleon.Main table
It is now that, as temperature increases, blue shift occurs for the optical band gap of the photon crystal structure of film.It is shown as in macroscopical color, with temperature
Degree is increased to 42 DEG C from 28 DEG C, and film color gradually becomes red from purple, and exists one by one between temperature and film color
Corresponding relationship.Fig. 2 be the bionical camouflage painting optically variable films of chameleon optical band gap offset and different wave length monochromatic light it
Between relationship.It is mainly shown as, increases as monochromatic wavelength increases optical band gap offset, shown as in macroscopical color, with
The increase of monochromatic wavelength, film color change are more obvious.Particularly, since the nanogold of 15nm in film is to 528nm monochrome
There are the effects of influx and translocation, realize film to the color response of 528nm visible light.
Embodiment 10
A kind of preparation method for the camouflage painting color-changing membrane that chameleon is bionical, using following steps:
(1) heat-sensible high polymer monomer N-isopropylacrylamide and partial size is living for the spherical nanogold particle of 10nm, surface
Property agent polyvinylpyrrolidone, crosslinking agent N,N methylene bis acrylamide, aided initiating tetramethylethylenediamine and initiator mistake
Ammonium sulfate is blended in deionized water, obtains mixed solution, wherein the concentration of heat-sensible high polymer monomer is 50g/L, temperature-sensitive high score
The mass ratio of sub- monomer and surfactant, crosslinking agent, aided initiating and initiator is 1:0.001:0.01:0.001:
0.0001, the mass ratio of heat-sensible high polymer monomer and nano-metal particle is 1:1 × 10-9；
(2) mixed solution is injected in silica photonic crystal template, stober legal system is used in this embodiment
Standby partial size stands and template is immersed concentration for 10.0g/L to after the completion of polymerizeing in the silica photonic crystal template of 250nm
Reverse version is obtained in hydrofluoric acid solution, cleaning to electricity in deionized water is impregnated in antitemplate after cleaning repeatedly in deionized water
Conductance 2us/cm obtains heat-sensible high polymer coupled nanosecond metallic particles chameleon bionic thin film.
Embodiment 11
A kind of preparation method for the camouflage painting color-changing membrane that chameleon is bionical, using following steps:
(1) by the different vinylisobutyramide of heat-sensible high polymer monomer and the spherical nano-Ag particles of 20nm, surfactant ten
Dialkyl benzene sulfonic acids sodium, crosslinking agent N,N methylene bis acrylamide, aided initiating tetramethylethylenediamine and initiator persulfuric acid
Ammonium is blended in deionized water, obtains mixed solution, wherein the concentration of heat-sensible high polymer monomer is 80g/L, heat-sensible high polymer list
The mass ratio of body and surfactant, crosslinking agent, aided initiating and initiator is 1:0.002:0.02:0.002:0.0002,
The mass ratio of heat-sensible high polymer monomer and nano-metal particle is 1:2 × 10-9；
(2) mixed solution is injected in silica photonic crystal template, stober legal system is used in this embodiment
Standby partial size stands and template is immersed concentration for 12.0g/L to after the completion of polymerizeing in the silica photonic crystal template of 280nm
Reverse version is obtained in hydrofluoric acid solution, cleaning to electricity in deionized water is impregnated in antitemplate after cleaning repeatedly in deionized water
Conductance 2us/cm obtains heat-sensible high polymer coupled nanosecond metallic particles chameleon bionic thin film.
Embodiment 12
A kind of preparation method for the camouflage painting color-changing membrane that chameleon is bionical, using following steps:
(1) by heat-sensible high polymer monomer methyl vinyl ether and the spherical nano copper particle of 10nm, surfactant hexadecane
Base trimethylammonium bromide, crosslinking agent N,N methylene bis acrylamide, aided initiating tetramethylethylenediamine and initiator persulfuric acid
Ammonium is blended in deionized water, obtains mixed solution, wherein the concentration of heat-sensible high polymer monomer is 150g/L, heat-sensible high polymer
The mass ratio of monomer and surfactant, crosslinking agent, aided initiating and initiator is 1:0.003:0.03:0.003:
0.0003, the mass ratio of heat-sensible high polymer monomer and nano-metal particle is 1:3 × 10-9；
(2) mixed solution is injected in silica photonic crystal template, stober legal system is used in this embodiment
Standby partial size stands and template is immersed concentration for 15.0g/L to after the completion of polymerizeing in the silica photonic crystal template of 300nm
Reverse version is obtained in hydrofluoric acid solution, cleaning to electricity in deionized water is impregnated in antitemplate after cleaning repeatedly in deionized water
Conductance 5us/cm obtains heat-sensible high polymer coupled nanosecond metallic particles chameleon bionic thin film.
Embodiment 13
A kind of preparation method for the camouflage painting color-changing membrane that chameleon is bionical, difference roughly the same with embodiment 12
It is, the blend solution of heat-sensible high polymer monomer and nano-metal particle is painted as paint vehicle in object table finishing coat in step (1)
Film.
Claims (5)
1. a kind of preparation method for the camouflage painting color-changing membrane that chameleon is bionical, which is characterized in that this method uses following steps:
(1) heat-sensible high polymer monomer and nano-metal particle, surfactant, crosslinking agent, aided initiating and initiator are being gone
It is blended in ionized water, obtains mixed solution；
(2) mixed solution is injected in silica photonic crystal template, stands and template is immersed into hydrofluoric acid to after the completion of polymerizeing
Antitemplate is obtained in solution, antitemplate is impregnated in deionized water after cleaning repeatedly in deionized water, obtains heat-sensible high polymer
Coupled nanosecond metallic particles chameleon bionic thin film；
The nano-metal particle include partial size be 10~20nm spherical nanogold particle, partial size be the spherical of 5~30nm
The spherical nano copper particle that nano-Ag particles or partial size are 10~20nm；
The heat-sensible high polymer monomer is N-isopropylacrylamide, different vinylisobutyramide, methyl vinyl ether, and concentration is
50~150g/L；
The surfactant be polyvinylpyrrolidone, neopelex or cetyl trimethylammonium bromide,
The crosslinking agent is N, and N- methylene-bisacrylamide, the aided initiating is tetramethylethylenediamine, the initiator
For ammonium persulfate；
The mass ratio of the heat-sensible high polymer monomer and surfactant, crosslinking agent, aided initiating and initiator is 1:
0.001~0.003:0.01~0.03:0.001~0.003:0.0001~0.0003.
2. a kind of preparation method of the bionical camouflage painting color-changing membrane of chameleon according to claim 1, which is characterized in that
The nano-metal particle is the spherical nano silver of the spherical nano-Ag particles of 5nm, the spherical nano-Ag particles of 20nm, 30nm
Particle, the spherical nano-Ag particles of 10nm, the spherical nanogold particle of 15nm or 10nm spherical nano copper particle.
3. a kind of preparation method of the bionical camouflage painting color-changing membrane of chameleon according to claim 1, which is characterized in that
The mass ratio of the heat-sensible high polymer monomer and nano-metal particle is 1:1 × 10-9~3 × 10-9。
4. a kind of preparation method of the bionical camouflage painting color-changing membrane of chameleon according to claim 1, which is characterized in that
The silica photonic crystal template is the silica photonic crystal that the partial size of stober method preparation is 250~300nm
Template.
5. a kind of preparation method of the bionical camouflage painting color-changing membrane of chameleon according to claim 1, which is characterized in that
The concentration of the hydrofluoric acid solution is 10~15g/L, and the antitemplate is cleaned repeatedly in deionized water to conductivity 2-
5us/cm。
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| CN109581647B (en) * | 2018-11-23 | 2020-12-15 | 中国人民解放军国防科技大学 | Composite color-changing material system with multiple film layers overlapped for color formation and color adjusting method and application thereof |
| CN109283681B (en) * | 2018-11-23 | 2020-12-15 | 中国人民解放军国防科技大学 | Color-changing material system for multilayer color film superposition color, and color adjusting method and application thereof |
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