CN110258126A - A kind of infrared stealth camouflage color cloth and preparation method thereof - Google Patents
A kind of infrared stealth camouflage color cloth and preparation method thereof Download PDFInfo
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- CN110258126A CN110258126A CN201910664713.0A CN201910664713A CN110258126A CN 110258126 A CN110258126 A CN 110258126A CN 201910664713 A CN201910664713 A CN 201910664713A CN 110258126 A CN110258126 A CN 110258126A
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- Prior art keywords
- infrared stealth
- color cloth
- camouflage color
- infrared
- layer
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/08—Properties of the materials having optical properties
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
A kind of infrared stealth camouflage color cloth and preparation method thereof, infrared stealth camouflage color cloth includes: camouflage fabric layer, is made of camouflage color cloth；Infrared stealth layer, coated on camouflage fabric layer, infrared stealth layer is made of nano metal line, transparent polymer, the first dispersing agent and the second dispersing agent, and nano metal line is aluminium nano wire, transparent polymer is aqueous polyurethane, infrared stealth layer with a thickness of 5~20 μm.Infrared stealth layer is one layer of high permeability thin polymer film with evenly dispersed nano metal line, by the way that infrared stealth layer to be coated on camouflage color cloth, Infrared Targets emissivity can be reduced, infrared target feature is inhibited, it realizes infrared stealth, and also has the effect of Winter protection.
Description
Technical field
This disclosure relates to Infrared stealthy materials field, and in particular, to a kind of infrared stealth camouflage color cloth and its preparation side
Method.
Background technique
With the rapid development of photoelectric technology, thermal-infrared sensing plays vital in modern military reconnaissance and surveillance
Effect, thermal infrared threaten also constantly upgrading.Infrared stealth technology is the infrared signature by reducing target, is visited with reducing
The infrared signature difference between target and complex environment is surveyed, detection system can be made to be difficult to find target or make detection system
The Effect on Detecting of system reduces.It realizes that the most effective approach of infrared stealth has: the surface temperature of target is controlled, so that detected target
The temperature difference between ambient enviroment is as small as possible；The emissivity that body surface is adjusted using infrared stealth coating, make target with
Infra-red radiation contrast between background is as small as possible.
It needs first to reduce target temperature generally, for high-temperature targets, for the object under low temperature or normal temperature environment
Body, surface infrared emittance are to influence the key factor of its infra-red radiation degree, and therefore, it is infrared hidden that low emissivity coatings become research
One of emphasis of body.
Summary of the invention
(1) technical problems to be solved
The infrared stealth camouflage color cloth and preparation method thereof that the disclosure provides, at least is partially solved the above technical problem.
(2) technical solution
Present disclose provides a kind of infrared stealth camouflage color clothes, comprising: camouflage fabric layer is made of camouflage color cloth；It is infrared
Stealthy layer is coated on the camouflage fabric layer, and the infrared stealth layer is by nano metal line, transparent polymer, the first dispersion
Agent and the second dispersing agent composition.
Optionally, the nano metal line is aluminium nano wire, and a diameter of 5~100nm, length is 5~50 μm.
Optionally, the aluminium nano wire is dispersed in first dispersing agent, and first dispersing agent is water or isopropanol.
Optionally, the concentration of the dispersion liquid of the aluminium nano wire and the first dispersing agent composition is 1~30mg/mL.
Optionally, the transparent polymer is aqueous polyurethane, and the aqueous polyurethane is dispersed in second dispersing agent
In, second dispersing agent is water or tetrahydrofuran.
Optionally, the aqueous polyurethane and the second dispersing agent composition aqueous polyurethane emulsion solid content be 20%~
50%.
Optionally, the infrared stealth layer with a thickness of 5~20 μm.
The disclosure additionally provides a kind of preparation method of infrared stealth camouflage color cloth, comprising: S1 prepares nano metal line point
Dispersion liquid；S2 prepares transparent polymer film；The nano metal line dispersion liquid is dispersed in the transparent polymer film by S3
In, obtain infrared stealth solution；The infrared stealth solution is coated on camouflage color cloth by S4.
Optionally, the nano metal line dispersion liquid is aluminium nanowire dispersion, and concentration is 1~30mg/mL, using more
First alcohol method or electrochemical process prepare the aluminium nanowire dispersion.
Optionally, the step S4 further include: be coated with the camouflage color cloth drying of the infrared stealth solution, drying temperature
Degree is 60~200 DEG C.
(3) beneficial effect
The infrared stealth camouflage color cloth and preparation method thereof that the disclosure provides, has the advantages that
(1) by the way that aluminium nano wire to be distributed evenly in transparent polymer matrix, obtained infrared stealth layer visible light
Transmitance is high, compatible existing optical camouflage mode (such as camouflage painting), and infrared reflectivity is high, infrared emittance is low, stealthy effect
Fruit is significant, and has apparent temperature regulating and controlling effect, can be widely applied to the fields such as military clothes, tent, military equipment；
(2) the infrared stealth camouflage color cloth and preparation method thereof that the disclosure provides, have strong applicability, preparation it is simple, at
This low advantage.
Detailed description of the invention
Fig. 1 diagrammatically illustrates the structural schematic diagram of the infrared stealth camouflage color cloth of embodiment of the present disclosure offer.
Fig. 2 diagrammatically illustrates the flow chart of the preparation method of the infrared stealth camouflage color cloth of embodiment of the present disclosure offer.
Fig. 3 diagrammatically illustrates the scanning electron microscope (SEM) photograph of the infrared stealth layer of embodiment of the present disclosure offer.
Fig. 4 diagrammatically illustrates the infrared stealth effect and temperature of the infrared stealth camouflage color cloth of embodiment of the present disclosure offer
Regulating effect schematic diagram.
Description of symbols:
1- camouflage fabric layer；2- infrared stealth layer；21- matrix；22- nano metal line.
Specific embodiment
For the purposes, technical schemes and advantages of the disclosure are more clearly understood, below in conjunction with specific embodiment, and reference
The disclosure is further described in attached drawing.
First embodiment of the present disclosure provides a kind of infrared stealth camouflage color cloth, refering to fig. 1, the infrared stealth colour camoufague cloth
Material includes camouflage fabric layer 1 and infrared stealth layer 2.
Camouflage fabric layer 1 is made of camouflage color cloth, can be the cloth of any material.
Infrared stealth layer 2 be coated in camouflage fabric layer on, by nano metal line, transparent polymer, the first dispersing agent and
Second dispersing agent composition.Transparent polymer is homogeneously dispersed in matrix 21 as matrix 21, nano metal line 22.
Nano metal line refers to that the 100nm or less that is limited on lateral dimension formed using metal as material (does not have longitudinally
It is restricted) a pile structure, such as draw ratio be greater than 1000.Since aluminium nano wire itself has excellent translucency, its height
Draw ratio is conducive to form high performance network-like structure in Low emissivity solution, due to plasmon effect, makes visible light
Transmitance greatly increases, and therefore, in the present embodiment, nano metal line is preferably aluminium nano wire, and the diameter of aluminium nano wire is 5~
100nm, length are 5~50 μm.It is understood that nano metal line there can also be other selections, such as select silver nanowires.
Nano metal line is corresponding with the first dispersing agent, when nano metal line is aluminium nano wire, corresponding first dispersing agent select water or
Isopropanol.Aluminium nano wire and the first dispersant form dispersion liquid, and the concentration of the dispersion liquid is 1~30mg/mL.
Transparent polymer is high permeability polymer, refers to the preferable polymer material of light transmittance, such as in visible light thoroughly
Polymer material of the luminosity 90% or more, those skilled in the art can select the polymer of specific light transmittance according to actual needs
Transparent polymer of the material as the disclosure, in the present embodiment, transparent polymer selects aqueous polyurethane.It is understood that
Transparent polymer can also have other selections, such as select polymethyl methacrylate, poly- 4- methylpentene etc..Transparent polymer
It is corresponding with the second dispersing agent, when transparent polymer is aqueous polyurethane, correspond to second dispersing agent be inorganic solvent water or
Tetrahydrofuran.Aqueous polyurethane is dispersed in the second dispersing agent and forms aqueous polyurethane emulsion, which consolidates
Content is 20%~50%, and viscosity is 10000~50000mPas.Infrared stealth layer in the present embodiment, nano metal
Line is evenly dispersed in transparent polymer.
Infrared stealth layer 2 is coated on camouflage fabric layer 1, and coating thickness is 5~20 μm.It can choose spray in the present embodiment
Infrared stealth solution is coated on camouflage fabric layer 1 by painting, blade coating, roller coating or the mode directly impregnated, after drying
Infrared stealth layer 2 can be obtained.
The infrared stealth camouflage color cloth provided in the present embodiment, when wavelength is 8~14 μm, infrared stealth camouflage color cloth
Emissivity is less than 0.3, when being observed under thermal infrared imager, the temperature difference of infrared stealth camouflage color cloth and ambient enviroment less than 3 DEG C, because
This, which has the characteristics that low-launch-rate, height are heat-insulated.
Second embodiment of the present disclosure provides a kind of preparation method of infrared stealth camouflage color cloth, referring to Fig.2, the preparation
Method includes following operation.
S1 prepares nano metal line dispersion liquid.
In the present embodiment, aluminium nano wire prepares aluminium as nano metal line, and using polyol process or electrochemical process
Nanowire dispersion, the concentration of aluminium nanowire dispersion are 1~30mg/mL.
Specifically, such as by diameter the aluminium nano wire that be 5nm, average length is 50 μm is scattered in isopropanol, is prepared into
The aluminium nanowire dispersion for being 1mg/mL to concentration.
S2 prepares transparent polymer film.
In the present embodiment, select aqueous polyurethane as transparent polymer, corresponding dispersing agent selects water or tetrahydro furan
Mutter, for example, aqueous polyurethane is dispersed in water, be prepared viscosity be 20000mPas, solid content be 50% it is aqueous poly-
Urethane lotion.
Nano metal line dispersion liquid is dispersed in transparent polymer film, obtains infrared stealth solution by S3.
It operates in S4, is prepared for example, the aluminium nanowire dispersion being prepared in S1 will be operated and be added in operation S2
Aqueous polyurethane emulsion, wherein aluminium nanowire dispersion is 7.5mL, then aqueous polyurethane emulsion 5mL utilizes magnetic force
Blender stirs 10min, and infrared stealth solution is prepared.
Infrared stealth solution is coated on camouflage color cloth by S4.
By spraying, blade coating, roller coating or directly impregnate in the way of by infrared stealth solution be coated in camouflage color cloth on,
And it is coated with the camouflage color cloth drying of infrared stealth solution, drying temperature is 60~200 DEG C.
For example, 20 μm of bar is selected, by aluminium nano wire polyurethane solutions (i.e. infrared stealth in the way of bar blade coating
Solution) it is coated on camouflage color cloth, and dried at 60 DEG C, obtain infrared stealth camouflage color cloth, surface sweeping electromicroscopic photograph such as Fig. 3 institute
Show.
Further, the camouflage color cloth for being coated with infrared stealth layer is set simultaneously with the camouflage color cloth for being not coated with infrared stealth layer
In the centre of the palm, its infrared radiation temperature is observed respectively by thermal infrared imager.Refering to Fig. 4, environment temperature is 26.7 DEG C；It is not coated with infrared
The temperature of the camouflage color cloth of stealthy layer is 32.0 DEG C, and the temperature difference between environment is 5.3 DEG C；It is coated with the fan of infrared stealth layer
The temperature of color cloth is 29.3 DEG C, and the temperature difference between environment is 2.6 DEG C, by temperature comparisons it is found that being coated with infrared stealth
The camouflage color cloth of layer has better heat insulation effect, and its infrared stealth effect is more significant as seen from Figure 4.
In conclusion the infrared stealth camouflage color cloth that the disclosure provides includes camouflage fabric layer and infrared stealth layer, it is red
Outer stealthy layer is uniformly distributed in nano metal line in the matrix of polymer material composition, is that a kind of nano metal line uniformly divides
Scattered high permeability polymer, visible light transmittance is high, infrared reflectivity is high, infrared emittance is low, infrared stealth significant effect,
And there are also temperature regulation effect, may be implemented heat preservation effect, prepare it is simple, at low cost so that infrared stealth colour camoufague cloth
Material can be widely applied to the fields such as military clothing, tent, military equipment.
Particular embodiments described above has carried out further in detail the purpose of the disclosure, technical scheme and beneficial effects
Describe in detail it is bright, it is all it should be understood that be not limited to the disclosure the foregoing is merely the specific embodiment of the disclosure
Within the spirit and principle of the disclosure, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the disclosure
Within the scope of shield.
Claims (10)
1. a kind of infrared stealth camouflage color cloth, comprising:
Camouflage fabric layer is made of camouflage color cloth；
Infrared stealth layer, be coated in the camouflage fabric layer on, the infrared stealth layer by nano metal line, transparent polymer,
First dispersing agent and the second dispersing agent composition.
2. infrared stealth camouflage color cloth according to claim 1, wherein the nano metal line is aluminium nano wire, straight
Diameter is 5~100nm, and length is 5~50 μm.
3. infrared stealth camouflage color cloth according to claim 2, wherein the aluminium nano wire is dispersed in first dispersion
In agent, first dispersing agent is water or isopropanol.
4. infrared stealth camouflage color cloth according to claim 3, wherein the aluminium nano wire and the first dispersing agent composition
The concentration of dispersion liquid is 1~30mg/mL.
5. infrared stealth camouflage color cloth according to claim 1, wherein the transparent polymer is aqueous polyurethane, institute
It states aqueous polyurethane to be dispersed in second dispersing agent, second dispersing agent is water or tetrahydrofuran.
6. infrared stealth camouflage color cloth according to claim 5, wherein the aqueous polyurethane and the second dispersing agent form
Aqueous polyurethane emulsion solid content be 20%~50%.
7. infrared stealth camouflage color cloth according to claim 1, wherein the infrared stealth layer with a thickness of 5~20 μm.
8. a kind of preparation method of infrared stealth camouflage color cloth, comprising:
S1 prepares nano metal line dispersion liquid；
S2 prepares transparent polymer film；
The nano metal line dispersion liquid is dispersed in the transparent polymer film, obtains infrared stealth solution by S3；
The infrared stealth solution is coated on camouflage color cloth by S4.
9. the preparation method of infrared stealth camouflage color cloth according to claim 8, wherein the nano metal line dispersion liquid
For aluminium nanowire dispersion, concentration is 1~30mg/mL, prepares the aluminium nano wire point using polyol process or electrochemical process
Dispersion liquid.
10. the preparation method of infrared stealth camouflage color cloth according to claim 8, wherein the step S4 further include: will
Camouflage color cloth drying coated with the infrared stealth solution, drying temperature are 60~200 DEG C.
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| CN201910664713.0A CN110258126A (en) | 2019-07-22 | 2019-07-22 | A kind of infrared stealth camouflage color cloth and preparation method thereof |
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| CN201910664713.0A CN110258126A (en) | 2019-07-22 | 2019-07-22 | A kind of infrared stealth camouflage color cloth and preparation method thereof |
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Cited By (3)
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| CN112726220A (en) * | 2020-09-17 | 2021-04-30 | 苏州耀晨新材料有限公司 | Preparation method of carbonized flame-retardant double-sided camouflage fabric |
| CN114557507A (en) * | 2022-02-28 | 2022-05-31 | 清华大学 | Manufacturing method and using method of infrared camouflage pattern and infrared camouflage garment |
| WO2023029198A1 (en) * | 2021-08-30 | 2023-03-09 | 南通大学 | Multifunctional stealth flexible material and preparation method therefor |
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Application publication date: 20190920 |