CN108411646A - A kind of preparation method of infrared camouflage fabric - Google Patents
A kind of preparation method of infrared camouflage fabric Download PDFInfo
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/004—Dyeing with phototropic dyes; Obtaining camouflage effects
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/651—Compounds without nitrogen
- D06P1/65106—Oxygen-containing compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8223—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups
- D06P3/8228—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups using one kind of dye
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Abstract
The present invention provides a kind of preparation methods of infrared camouflage fabric, this method prepares Al-Doped ZnO colloidal sol using sol-gel technique first, then itself and chitosan solution are made into dressing liquid, processing is baked to textile by rolling, then the near infrared ray absorptions such as porphyrin, phthalocyanine, chlorophyll copper sodium are used to dye textile, it is final to obtain the textile that there is good camouflage performance to entire infrared band.
Description
Technical field
The invention belongs to field of textiles, and in particular to a kind of preparation method of infrared camouflage fabric.
Background technology
With the development of science and technology, modern military technology has had reached the water of " as long as target is found, capable of being destroyed "
It is flat.Infrared technology of detecting is that the main of modern war detects one of technology, it is to utilize the infra-red radiation between target and background
The difference of feature finds target.Infrared camouflage technology is mainly by reducing or changing the infrared signature of target, to real
The low detectivity of existing target.
It is infrared detect near infrared region, 3.5-5 μm of middle infrared that technology groundwork wave band is 1-3 μm, 8-14 μm it is remote red
Outskirt.For near-infrared is detected, the difference in brightness of target and background is main exposure symptoms, and mid and far infrared is main sudden and violent
It is then temperature difference to reveal sign.Near-infrared camouflage fabric is mainly using the dyestuff for detecting function with anti-visible light and near-infrared
Or pigment, it is handled on the textile by way of printing and dyeing or coating, makes near-infrared camouflage fabric and surrounding natural background (such as
Trees, green grass, soil etc.) spectral reflectance factor it is close, ensure that the brightness of target and background is close, to reduce target
Conspicuousness plays the role of camouflage.And mid and far infrared camouflage is mainly by some low-emissivity material coatings to textile,
The radiation energy for reducing target avoids target surface heat absorption heating, prevent target generate excessive heat and to external radiation.It is existing
The research of some infrared camouflage fabrics can only realize near-infrared camouflage or mid and far infrared camouflage, be difficult to realize to entire infrared waves
Whole camouflages of section；Moreover, the knot of many infrared camouflage dyestuffs or pigment and most low-emissivity materials and textile
Close that fastness is poor, that there are feels is poor for the infrared camouflage textile prepared by coating process, crock fastness is bad, fabric moisture,
The defects of gas permeability declines.
Invention content
In order to overcome the deficiencies of the prior art, the present invention provides a kind of preparation method of infrared camouflage fabric, this method is first
Al-Doped ZnO colloidal sol is first prepared using sol-gel technique, itself and chitosan solution are then made into dressing liquid, by rolling
Baking process processing on textile, then using the near infrared ray absorptions such as porphyrin, phthalocyanine, chlorophyll copper sodium to textile into
Row dyeing, it is final to obtain the textile that there is good camouflage performance to entire infrared band.
The present invention is that technical solution used by solving its technical problem is to provide a kind of preparation side of infrared camouflage fabric
Method includes the following steps：
(1) Zinc diacetate dihydrate is dissolved in glycol monoethyl ether or isopropanol, compound concentration is 0.3-0.75mol/L's
Zinc acetate solution；Aluminium presoma is added in above-mentioned solution, after being completely dissolved, it is 6.5- that alkanolamine solution to pH value of solution, which is added dropwise,
7.5, in 60-75 DEG C of water-bath, after stirring 2-4h, 24-48h is stood to get Al-Doped ZnO colloidal sol；
(2) it is 1.5-10 × 10 by molecular weight4, deacetylation is that the chitosan of 80-95% is dissolved in Solute mass fraction
In 1%-3% acetums, the chitosan solution of mass fraction 3%-5% is prepared；Then gained in step (1) is mixed into alumina
Change zinc colloidal sol to be added in above-mentioned chitosan solution, add crosslinking agent epoxychloropropane, is adjusted with 0.1mol/LNaOH solution
PH to 4.5, stands overnight, and obtains Al-Doped ZnO/chitosan finishing liquid；
(3) above-mentioned Al-Doped ZnO/shell will be padded through desizing, kiering, the pure cotton fabric of bleaching or polyester cotton to gather
Sugared dressing liquid, two leachings two are rolled, and pick-up 80%-100% bakes 2-5min after 80-90 DEG C of drying, then washes 3-5 times, soap
It boils, dry；
(4) select suitable dyestuff blended to the pure cotton fabric or polyester-cotton blend that are handled through Al-Doped ZnO/chitosan finishing liquid
Fabric is dyed, dye dosage (owf) 1%-5%, bath raio：1:50, room temperature enters dye, is warming up to 60-100 DEG C, keeps the temperature 30-
60min, after dyeing, through washing, soaping, dry.
As shown from the above technical solution：The present invention uses sol-gel method to prepare first has high reflection in infrared band
Rate and low-launch-rate Al-Doped ZnO colloidal sol make Al-Doped ZnO be formed in situ on the textile using baking process is rolled；By
The excellent film forming of hydrogen bond action and chitosan between chitosan and Al-Doped ZnO, improves Al-Doped ZnO and textile
Binding strength；Porphyrin, phthalocyanines, the chlorophyll copper sodium class dyestuff that there is superior absorbent performance near infrared ray are selected again
Textile is coloured, the metal ion in dye structure can form coordinate bond between chitosan and be combined, and obtain with excellent
The infrared camouflage fabric of different scourability.
Preferably, the hydramine described in step (1) is one kind in ethanol amine, diethanol amine, triethanolamine；Aluminium forerunner
Body is one kind in aluminum nitrate or aluminium chloride；The molar ratio of aluminium ion and zinc ion is 1:10-1:20.
Preferably, the Al-Doped ZnO colloidal sol and chitosan mass ratio described in step (2) are 1:1-1:3.
Preferably, the crosslinking agent quality described in step (2) accounts for the 0.5%-1% of chitosan mass.
Preferably, the baking temperature described in step (3) is 150-180 DEG C.
Preferably, the dyestuff described in step (4) is one in porphyrin, phthalocyanines dye, chlorophyll copper sodium dyestuff
Kind is several.
A kind of the advantages of infrared camouflage fabric of the present invention, is：
(1) selecting has relatively low near infrared reflectivity, at the same can meet the porphyrin of visual camouflage requirement, phthalocyanines,
Chlorophyll copper sodium dyestuff colours textile, and gained fabric not only has excellent infrared camouflage effect, but also keeps spinning
The original excellent penetrability of fabric, gas permeability.
(2) it selects the Al-Doped ZnO cheap, chemical stability is high as low infrared emissivity filler, gained is made to knit
Object has preferable camouflage effectiveness within the scope of mid and far infrared.
(3)-NH in chitosan molecule structure is utilized2,-OH reactivity and its film forming, improve Al-Doped ZnO with
And the binding strength of dyestuff and textile.
Description of the drawings
Fabric Visible-to-Near InfaRed reflectance spectrum figure obtained by Fig. 1 embodiments 1-4, comparative example 1-2
Specific implementation mode
With reference to specific embodiment, description is of the invention in further detail.It should be understood that these embodiments are intended merely to
It illustrates the present invention, rather than limits the scope of the invention in any way.
Embodiment 1
(1) Zinc diacetate dihydrate is dissolved in glycol monoethyl ether, compound concentration is the zinc acetate solution of 0.3mol/L；It will
Aluminum nitrate is added in above-mentioned solution, and the molar ratio of aluminium ion and zinc ion is 1:10, after being completely dissolved, it is molten that ethanol amine is added dropwise
Liquid to pH value of solution is 6.5, in 60 DEG C of water-baths, after stirring 4h, is stood for 24 hours to get Al-Doped ZnO colloidal sol；
(2) it is 1.5 × 10 by molecular weight4, deacetylation be 80% chitosan be dissolved in 1% acetic acid of Solute mass fraction
In solution, the chitosan solution of mass fraction 3% is prepared；It then will be on gained Al-Doped ZnO colloidal sol be added in step (1)
It states in chitosan solution, the ratio between Al-Doped ZnO colloidal sol and chitosan mass are 1:1, it adds and accounts for chitosan mass 0.5%
Crosslinking agent epoxychloropropane adjusts pH to 4.5 with 0.1mol/L NaOH solutions, stands overnight, it is poly- to obtain Al-Doped ZnO/shell
Sugared dressing liquid；
(3) pure cotton fabric through desizing, kiering, bleaching is padded into above-mentioned Al-Doped ZnO/chitosan finishing liquid, two leachings two
It rolls, pick-up 80%, after 80 DEG C of drying, 180 DEG C bake 2min, then wash 3 times, soap boiling, drying；
(4) select four (4- carboxyl phenyls) Cob altporphyrins to the pure cotton fabric through Al-Doped ZnO/chitosan finishing liquid processing
It is dyed, dye dosage (owf) 1%, bath raio：1:50, room temperature enters dye, is warming up to 60 DEG C, keeps the temperature 60min, and dyeing terminates
Afterwards, through washing, soaping, dry.
Comparative example 1-1
(1) Zinc diacetate dihydrate is dissolved in glycol monoethyl ether, compound concentration is the zinc acetate solution of 0.3mol/L；It will
Aluminum nitrate is added in above-mentioned solution, and the molar ratio of aluminium ion and zinc ion is 1:10, after being completely dissolved, it is molten that ethanol amine is added dropwise
Liquid to pH value of solution is 6.5, in 60 DEG C of water-baths, after stirring 4h, is stood for 24 hours to get Al-Doped ZnO colloidal sol；
(2) pure cotton fabric through desizing, kiering, bleaching is padded into above-mentioned Al-Doped ZnO colloidal sol, two leachings two are rolled, pick-up
80%, after 80 DEG C of drying, 180 DEG C bake 2min, then wash 3 times, soap boiling, drying；
(3) four (4- carboxyl phenyls) Cob altporphyrins are selected to dye the pure cotton fabric handled through Al-Doped ZnO colloidal sol,
Dye dosage (owf) 1%, bath raio：1:50, room temperature enters dye, is warming up to 60 DEG C, keeps the temperature 60min, after dyeing, through washing,
It soaps, dry.
Comparative example 1-2
(1) Zinc diacetate dihydrate is dissolved in glycol monoethyl ether, compound concentration is the zinc acetate solution of 0.3mol/L；It will
Aluminum nitrate is added in above-mentioned solution, and the molar ratio of aluminium ion and zinc ion is 1:10, after being completely dissolved, it is molten that ethanol amine is added dropwise
Liquid to pH value of solution is 6.5, in 60 DEG C of water-baths, after stirring 4h, is stood for 24 hours to get Al-Doped ZnO colloidal sol；
(2) it is 1.5 × 10 by molecular weight4, deacetylation be 80% chitosan be dissolved in 1% acetic acid of Solute mass fraction
In solution, the chitosan solution of mass fraction 3% is prepared；It then will be on gained Al-Doped ZnO colloidal sol be added in step (1)
It states in chitosan solution, the ratio between Al-Doped ZnO colloidal sol and chitosan mass are 1:1, it adds and accounts for chitosan mass 0.5%
Crosslinking agent epoxychloropropane adjusts pH to 4.5 with 0.1mol/L NaOH solutions, stands overnight, it is poly- to obtain Al-Doped ZnO/shell
Sugared dressing liquid；
(3) pure cotton fabric through desizing, kiering, bleaching is padded into above-mentioned Al-Doped ZnO/chitosan finishing liquid, two leachings two
It rolls, pick-up 80%, after 80 DEG C of drying, 180 DEG C bake 2min, then wash 3 times, soap boiling, drying.
Comparative example 1-3
(1) it is 1.5 × 10 by molecular weight4, deacetylation be 80% chitosan be dissolved in 1% acetic acid of Solute mass fraction
In solution, the chitosan solution of mass fraction 3% is prepared；Add the crosslinking agent epoxy chloropropionate for accounting for chitosan mass 0.5%
Alkane adjusts pH to 4.5 with 0.1mol/L NaOH solutions, stands overnight, obtain chitosan finishing liquid；
(3) pure cotton fabric through desizing, kiering, bleaching is padded into above-mentioned chitosan finishing liquid, two leachings two are rolled, pick-up
80%, after 80 DEG C of drying, 180 DEG C bake 2min, then wash 3 times, soap boiling, drying；
(4) it selects four (4- carboxyl phenyls) Cob altporphyrins to dye the pure cotton fabric handled through chitosan finishing liquid, contaminates
Expect dosage (owf) 1%, bath raio：1:50, room temperature enters dye, is warming up to 60 DEG C, keeps the temperature 60min, after dyeing, through washing, soap
It washes, dry.
Embodiment 2
(1) Zinc diacetate dihydrate is dissolved in isopropanol, compound concentration is the zinc acetate solution of 0.75mol/L；By chlorination
Aluminium is added in above-mentioned solution, and the molar ratio of aluminium ion and zinc ion is 1:20, after being completely dissolved, diethanolamine solution is added dropwise
It is 7.5 to pH value of solution, in 75 DEG C of water-baths, after stirring 2h, stands 48h to get Al-Doped ZnO colloidal sol；
(2) it is 10 × 10 by molecular weight4, deacetylation be 95% chitosan be dissolved in 3% acetic acid of Solute mass fraction
In solution, the chitosan solution of mass fraction 5% is prepared；It then will be on gained Al-Doped ZnO colloidal sol be added in step (1)
It states in chitosan solution, the ratio between Al-Doped ZnO colloidal sol and chitosan mass are 1:3, add the friendship for accounting for chitosan mass 1%
Join agent epoxychloropropane, adjusts pH to 4.5 with 0.1mol/L NaOH solutions, stand overnight, obtain Al-Doped ZnO/chitosan
Dressing liquid；
(3) polyester cotton through desizing, kiering, bleaching is padded into above-mentioned Al-Doped ZnO/chitosan finishing liquid, two
Leaching two is rolled, pick-up 100%, and after 90 DEG C of drying, 150 DEG C bake 5min, then wash 5 times, soap boiling, drying；
(4) chlorophyll copper sodium is selected to contaminate the polyester cotton through Al-Doped ZnO/chitosan finishing liquid processing
Color, dye dosage (owf) 5%, bath raio：1:50, room temperature enters dye, is warming up to 100 DEG C, 30min is kept the temperature, after dyeing, through water
It washes, soap, dry.
Embodiment 3
(1) Zinc diacetate dihydrate is dissolved in isopropanol, compound concentration is the zinc acetate solution of 0.6mol/L；By aluminium chloride
It is added in above-mentioned solution, the molar ratio of aluminium ion and zinc ion is 1:15, after being completely dissolved, triethanolamine solution is added dropwise extremely
PH value of solution is 7.0, in 70 DEG C of water-baths, after stirring 3h, stands 36h to get Al-Doped ZnO colloidal sol；
(2) it is 5 × 10 by molecular weight4, to be dissolved in 2% acetic acid of Solute mass fraction molten for the chitosan that deacetylation is 90%
In liquid, the chitosan solution of mass fraction 4% is prepared；Then gained Al-Doped ZnO colloidal sol in step (1) is added to above-mentioned
In chitosan solution, the ratio between Al-Doped ZnO colloidal sol and chitosan mass are 1:2, add the friendship for accounting for chitosan mass 0.8%
Join agent epoxychloropropane, adjusts pH to 4.5 with 0.1mol/L NaOH solutions, stand overnight, obtain Al-Doped ZnO/chitosan
Dressing liquid；
(3) polyester cotton through desizing, kiering, bleaching is padded into above-mentioned Al-Doped ZnO/chitosan finishing liquid, two
Leaching two is rolled, pick-up 90%, and after 85 DEG C of drying, 160 DEG C bake 4min, then wash 4 times, soap boiling, drying；
(4) it selects phthalocyanine blue to dye the polyester cotton through Al-Doped ZnO/chitosan finishing liquid processing, contaminates
Expect dosage (owf) 3%, bath raio：1:50, room temperature enters dye, is warming up to 90 DEG C, keeps the temperature 45min, after dyeing, through washing, soap
It washes, dry.
Embodiment 4
(1) Zinc diacetate dihydrate is dissolved in glycol monoethyl ether, compound concentration is the zinc acetate solution of 0.5mol/L；It will
Aluminum nitrate is added in above-mentioned solution, and the molar ratio of aluminium ion and zinc ion is 1:12, after being completely dissolved, triethanolamine is added dropwise
Solution to pH value of solution is 6.8, in 65 DEG C of water-baths, after stirring 4h, stands 42h to get Al-Doped ZnO colloidal sol；
(2) it is 8 × 10 by molecular weight4, deacetylation be 85% chitosan be dissolved in 2.5% acetic acid of Solute mass fraction
In solution, the chitosan solution of mass fraction 3.5% is prepared；Then gained Al-Doped ZnO colloidal sol in step (1) is added to
In above-mentioned chitosan solution, the ratio between Al-Doped ZnO colloidal sol and chitosan mass are 1:1.5, it adds and accounts for chitosan mass
0.7% crosslinking agent epoxychloropropane adjusts pH to 4.5 with 0.1mol/L NaOH solutions, stands overnight, obtain mixing alumina
Zinc/chitosan finishing liquid；
(3) pure cotton fabric through desizing, kiering, bleaching is padded into above-mentioned Al-Doped ZnO/chitosan finishing liquid, two leachings two
It rolls, pick-up 95%, after 80 DEG C of drying, 170 DEG C bake 3min, then wash 4 times, soap boiling, drying；
(4) it selects chlorophyll copper sodium to dye the pure cotton fabric through Al-Doped ZnO/chitosan finishing liquid processing, contaminates
Expect dosage (owf) 4%, bath raio：1:50, room temperature enters dye, is warming up to 80 DEG C, keeps the temperature 40min, after dyeing, through washing, soap
It washes, dry.
Embodiment 5
The I type infrared emittance measuring instruments of IR- developed using Shanghai Inst. of Technical Physics, Chinese Academy of Sciences measure sample
Surface is in 8-14 μ m wavelength range emissivity, as a result such as table 1.
1 gained sample of table is in 8-14 μ m wavelength range emissivity
| Before washing | After washing 5 times | |
| Blank pure cotton fabric | 0.94 | 0.95 |
| Embodiment 1 | 0.46 | 0.48 |
| Comparative example 1-1 | 0.49 | 0.78 |
| Comparative example 1-2 | 0.48 | 0.51 |
| Comparative example 1-3 | 0.89 | 0.90 |
| Embodiment 2 | 0.70 | 0.68 |
| Embodiment 3 | 0.55 | 0.52 |
| Embodiment 4 | 0.62 | 0.57 |
As can be seen from Table 1, compared with blank fabric, textile obtained by embodiment 1-4 8-14 μ m wavelength ranges have compared with
Low infrared emittance, and there is preferable washing fastness.It can be seen that from embodiment 1 and comparative example 1-1 experimental results, shell is poly-
The use of sugar reduces the infrared emittance of fabric, this may be due to after addition chitosan, arranging on textile and mixing aluminium
The amount of zinc oxide increases, and the combination of itself and textile also becomes strong.
Claims (7)
1. a kind of preparation method of infrared camouflage fabric, it is characterised in that：Sol-gel technique preparation is used to mix alumina first
Zinc colloidal sol, is then made into dressing liquid by itself and chitosan solution, is handled onto textile by rolling baking process, then use porphin
The near infrared ray absorptions such as quinoline, phthalocyanine, chlorophyll copper sodium dye textile, and final obtain has entire infrared band
The textile of good camouflage performance.
2. a kind of preparation method of infrared camouflage fabric according to claim 1, it is characterised in that：Steps are as follows：
(1) Zinc diacetate dihydrate is dissolved in glycol monoethyl ether or isopropanol, compound concentration is the acetic acid of 0.3-0.75mol/L
Zinc solution；Aluminium presoma is added in above-mentioned solution, after being completely dissolved, it is 6.5-7.5 that alkanolamine solution to pH value of solution, which is added dropwise,
In 60-75 DEG C of water-bath, after stirring 2-4h, 24-48h is stood to get Al-Doped ZnO colloidal sol；
(2) it is 1.5-10 × 10 by molecular weight4, deacetylation is that the chitosan of 80-95% is dissolved in Solute mass fraction 1%-
In 3% acetum, the chitosan solution of mass fraction 3%-5% is prepared；Then gained Al-Doped ZnO in step (1) is molten
Glue is added in above-mentioned chitosan solution, adds crosslinking agent epoxychloropropane, with 0.1mol/LNaOH solution adjust pH to
4.5, it stands overnight, obtains Al-Doped ZnO/chitosan finishing liquid；
(3) will to pad above-mentioned Al-Doped ZnO/chitosan through desizing, kiering, the pure cotton fabric of bleaching or polyester cotton whole
Liquid is managed, two leachings two are rolled, and pick-up 80%-100% bakes 2-5min after 80-90 DEG C of drying, then washes 3-5 times, soap boiling, baking
It is dry；
(4) select suitable dyestuff to pure cotton fabric or polyester cotton through Al-Doped ZnO/chitosan finishing liquid processing
It is dyed, dye dosage (owf) 1%-5%, bath raio：1:50, room temperature enters dye, is warming up to 60-100 DEG C, keeps the temperature 30-60min,
After dyeing, through washing, soaping, dry.
3. a kind of preparation method of infrared camouflage fabric according to claim 2, it is characterised in that：Described in step (1)
Hydramine be ethanol amine, diethanol amine, one kind in triethanolamine；Aluminium presoma is one kind in aluminum nitrate or aluminium chloride；Aluminium
The molar ratio of ion and zinc ion is 1:10-1:20.
4. a kind of preparation method of infrared camouflage fabric according to claim 2, it is characterised in that：Described in step (2)
Al-Doped ZnO colloidal sol and chitosan mass ratio be 1:1-1:3.
5. a kind of preparation method of infrared camouflage fabric according to claim 2, it is characterised in that：Described in step (2)
Crosslinking agent quality account for the 0.5%-1% of chitosan mass.
6. a kind of preparation method of infrared camouflage fabric according to claim 2, it is characterised in that：Described in step (3)
Baking temperature be 150-180 DEG C.
7. a kind of preparation method of infrared camouflage fabric according to claim 2, it is characterised in that：Described in step (4)
Dyestuff be porphyrin, phthalocyanines dye, one or more of chlorophyll copper sodium dyestuff.
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