CN107747214A - A kind of preparation method of the pattern metal textile based on dopamine pre-treatment - Google Patents
A kind of preparation method of the pattern metal textile based on dopamine pre-treatment Download PDFInfo
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- CN107747214A CN107747214A CN201710843907.8A CN201710843907A CN107747214A CN 107747214 A CN107747214 A CN 107747214A CN 201710843907 A CN201710843907 A CN 201710843907A CN 107747214 A CN107747214 A CN 107747214A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1603—Process or apparatus coating on selected surface areas
- C23C18/1607—Process or apparatus coating on selected surface areas by direct patterning
- C23C18/1608—Process or apparatus coating on selected surface areas by direct patterning from pretreatment step, i.e. selective pre-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/28—Sensitising or activating
- C23C18/30—Activating or accelerating or sensitising with palladium or other noble metal
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/11—Starch or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/13—Alginic acid or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Chemically Coating (AREA)
Abstract
The present invention relates to a kind of preparation method of the pattern metal textile based on dopamine pre-treatment, including：Dopamine solution oxidation auto polymerization forms poly-dopamine, adds slurry and forms dopamine modified slurry；The surface that dacron is printed on using printing technology forms pattern, drying, then printing is repeated, is dried, obtains the patterning terylene substrate of dopamine modification, it is immersed in activated solution, washing, the patterning terylene substrate activated is dried, be placed in metal plating liquid and chemical plating is carried out using sedimentation, cleaning, drying obtain the pattern metal textile based on dopamine pre-treatment.The present invention uses conductive fabric prepared by chemical plating method, its technique is compared with other surfaces treatment technology, additional power source is not needed, thus easy to operate, technique is simple, coating is comparatively more uniform, and it can be deposited on nonmetallic materials fabric, obtained fabric electric conductivity and capability of electromagnetic shielding is good, and cost is relatively low, also more economical and environmentally friendly.
Description
Technical field
The invention belongs to flexible electronic technical field, more particularly to a kind of pattern metal based on dopamine pre-treatment is spun
The preparation method of fabric.
Background technology
Wearable flexible electronic is such as light, flexible because it possesses a series of the advantages of conditional electronics are unable to reach
Folding, flexibility etc. have developed into the key project of research gradually, therefore are also used in the field of many, such as intelligence
Can gym suit, patient vital signs monitoring, portable sensor, the electronic amusement apparatus based on fabric and Military Electronics function system
Clothes etc..So effective combine of textile and electronics can further be expanded textile with field.
Terylene is the most wide synthetic fibers of a kind of with fastest developing speed, yield highest, operation strategies, there is good performance and price
It is cheap, it is obtained for and is widely applied at many aspects of national defence, industry and the life of people, as the base of conductive fabric
Bottom has wide significance.In addition, the key for preparing wearable flexible electronic devices is to form conducting wire on the surface of fabric
To form the electrical connection between each functional part.
At present, textile surface prepare conducting wire method mainly have it is following several.(1) method of braiding is utilized
Metallic fiber shuffling is entered in textile, but technique is more complicated and pattern to design has limited, because conductive pattern
Need to follow in fabric through broadwise.(2) ink containing metal nanoparticle or slurry are printed using the method for printing
On the surface of fabric, the method has complete design freely, can manufacture diversified conductive metal pattern, but due to
The method needs high temperature sintering so that unnecessary stabilizer and organic solvent volatilize to reach metal nanoparticle in the later stage
Optimal conductive effect, there is the risk of certain thermal degradation and thermal deformation for textile substrate, and reduce sintering temperature meeting
Because of the residual of stabilizer electrical conductivity is reduced, high temperature sintering can easily cause damage to fabric face in addition, metal level and
The conjugation of fabric face is not high enough, unfriendly to environment.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of pattern metal textile based on dopamine pre-treatment
Preparation method, using dacron as base material, dopamine is locally printed on fabric face carry out partial modification obtain figure
Case surface, then chemical plating is carried out, diversity pattern surface can either be obtained, and the environmental protection of this method of modifying is easy, and not
High temperature sintering step is needed, textile surface will not be damaged, is spun so as to prepare the pattern metal with high quality
Fabric.
A kind of preparation method of pattern metal textile based on dopamine pre-treatment of the present invention, including：
(1) pH value for adjusting dopamine solution is 6~9, preferable ph 8.5, then aoxidizes auto polymerization and forms poly- DOPA
Amine, slurry regulation viscosity is added, forms dopamine modified slurry；Wherein the concentration of dopamine solution is 0.1~10mg/mL, excellent
Select 2~5mg/mL；
(2) surface that the dopamine modified slurry that step (1) obtains is printed on to dacron using printing technology is formed
Pattern, drying, then repeats printing, dries, and obtains the patterning terylene substrate of dopamine modification；
(3) the patterning terylene substrate that the dopamine that step (2) obtains is modified is immersed in activated solution, Ran Houxi
Wash, dry the patterning terylene substrate activated；Wherein the concentration of activated solution is 0.1~2%；
(4) the patterning terylene substrate for the activation for obtaining step (3), which is placed in metal plating liquid, uses sedimentation
Plating is learned, is then cleaned, drying obtains the pattern metal textile based on dopamine pre-treatment.
The technological parameter of oxidation auto polymerization is in the step (1)：Condition for exposure in atmosphere, add there is oxidisability
Material or be passed through oxygen, mode is stands, stirring or violet exposure, autopolymerization temperature are 25~40 DEG C, a length of during auto polymerization
12~24h.
Slurry in the step (1) is starch, sodium alginate, guar gum, emulsion thickening, one kind in synthetic slurry or
It is several.
The synthetic slurry be maleic anhydride, acrylic acid, methacrylic acid, and other carboxylic unsaturated monomers with
Acrylate, vinylacetate, the copolymer of butadiene.
Printing technology is inkjet printing, silk-screen printing, offset printing, heat transfer printing, cylinder print in the step (2)
Brush, roll-to-roll printing or roll printing.
The ink viscosity of the inkjet printing is 5~20cP, and the slurry viscosity of silk-screen printing is 5000~10000cP.
The technological parameter of drying is in the step (2)：Drying temperature is 40~80 DEG C, and drying time is 5~30 minutes.
Pattern in the step (2), which is intersected or do not intersected by straight line, curve, broken line, to be formed.
Activated solution in the step (3) is molten for the mixing of metal salt solution or metal salt and polyvinylpyrrolidone
Liquid.
The metal salt is the one or more in silver salt, palladium salt, mantoquita, nickel salt.
Dip time is 2~24h in the step (3).
The process conditions of washing are in the step (3)：With distillation water washing.
The technological parameter of drying is in the step (3)：Drying temperature is 40~80 DEG C, and drying time is 5~30 minutes.
Metal plating liquid in the step (4) is made up of metal salt, aqueous solvent, additive, reducing solution.
The metal salt is one or both of mantoquita, silver salt.
The reducing solution is by 30~40g/L glucose, 1~2.5g/L sodium potassium tartrate tetrahydrate, 20~40mL/L ethanol
Composition.
The metal plating liquid when metal salt is silver salt be by the way that ammoniacal liquor is added dropwise in the silver nitrate solution to 10~40g/L,
100~120g/L potassium hydroxide solution is added, continues that ammoniacal liquor is added dropwise, then adds the reducing solution and be made.
The technological parameter of sedimentation chemical plating is in the step (4)：Chemical plating temperature is 30~40 DEG C, electroless plating time
For 10~20min.
The process conditions of cleaning are in the step (4)：With distillation water washing.
The technological parameter of drying is in the step (4)：Drying temperature is 40~60 DEG C, and drying time is 5~30 minutes.
The very strong poly- DOPA of adhesiveness is formed on all kinds of surfaces by the oxidation polymerization of itself using dopamine in the present invention
Amine, catechol group and amino in poly-dopamine can with complexing of metal ion, and can some noble metals of in-situ reducing from
Son, the generation of catalytic activation chemical plating can be carried out as activation point.One will be formed by printing technology on dacron surface
The material of the Dopaminergics of pattern layers, i.e., directly carried out partial modification to fabric face, then by the modification with patterning
Dacron is immersed in the surface that local activation is obtained in metal salt solution afterwards, and the fabric that finally will be patterned into is placed in metal plating liquid
In, the metal conductive fabric that is patterned.
Beneficial effect
(1) activation pattern containing metal " seed " is printed on surface and the knot of fabric using the method for printing by the present invention
Chemical plating printing conductive metal pattern is closed, this method does not need high temperature sintering, suitable for textile surface.
(2) present invention uses conductive fabric prepared by chemical plating method, and its technique is compared with other surfaces treatment technology, no
Need additional power source, thus it is easy to operate, technique is simple, coating is comparatively more uniform, and can be knitted in nonmetallic materials
Deposited on thing, obtained fabric electric conductivity and capability of electromagnetic shielding is good, and cost is relatively low, also more economical and environmentally friendly.
(3) present invention utilizes the dopamine adhesiveness good to fabric face and to the strong chela of metal and effect and also
Original work use, in the local surfaces with dopamine, metal level is firmly combined together with fabric, and in activating surface and
Metal cation is combined, and metallic is reduced to while dopamine is oxidized to quinoid structure, during as chemical plating
Site is activated, the method is without sensitising step, simple process, and dopamine material is very friendly for environment, is not required to the external world
Additional conditions can forms poly-dopamine layer on the surface of fabric, gently and not produces damage to fabric face.
(4) present invention is used as Additional reductant using glucose and sodium potassium tartrate tetrahydrate mixing, makes up dopamine reproducibility
Limitation so that chemical plating just forms the higher metal level of quality in fabric face within a short period of time.The invention is to flexible parent metal
The research of printed wire and the application of wearable electronic clothes have great significance.
Brief description of the drawings
Fig. 1 is the schematic diagram that autoxidation polymerization occurs in fabric face for dopamine in the embodiment of the present invention 1；
Fig. 2 be in the embodiment of the present invention 1 dopamine to the chela of metal and and reduction schematic diagram；
Fig. 3 is the pattern metal textile based on dopamine pre-treatment that the embodiment of the present invention 1,2 obtains with comparative example 1
The optical photograph on surface, the optics of the pattern metal textile based on dopamine pre-treatment obtained wherein on a for embodiment 1
Photo；Under a, b, c be the pattern metal textile based on dopamine pre-treatment that embodiment 2 obtains optical photograph.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiment 1
(1) pH value for the dopamine solution for being 2mg/mL with trishydroxymethylaminomethane-hydrochloric acid buffer solution regulation concentration
For 8.5, then the gentle agitation 24h at 25 DEG C, makes its aoxidize auto polymerization and forms poly-dopamine, adds sodium alginate regulation viscosity
For 5000~10000cP, dopamine modified slurry is formed.
(2) the dopamine modified slurry that step (1) obtains is printed on to the surface of dacron using screen printing technique
Pattern is formed, 60 DEG C of drying 20min, printing is then repeated, dries, obtain the patterning terylene substrate of dopamine modification.
(3) the patterning terylene substrate that the dopamine that step (2) obtains is modified is immersed in 1% AgNO3In solution
24h, then take out with distillation water washing, 60 DEG C of drying 20min, the patterning terylene substrate activated.
(4) to 40g/L AgNO3Ammoniacal liquor is added dropwise in solution from muddiness to clarification, the potassium hydroxide for adding 120g/L is molten
Liquid, continue to be added dropwise ammoniacal liquor from muddiness to clarification, be then quickly added into isometric glucose by 40g/L, 2.5g/L winestone
Sour potassium sodium, the reducing solution of 40mL/L ethanol composition, obtains AgNO3Electroplate liquid.
(5) the patterning terylene substrate for the activation for obtaining step (3) is placed in the AgNO that step (4) obtains3In electroplate liquid
Chemical silvering 20min is carried out at 35 DEG C using sedimentation, then takes out and is cleaned with distilled water, dries and is based at 50 DEG C
The pattern metal textile of dopamine pre-treatment, optics picture is as shown on Fig. 3 a.
Embodiment 2
(1) pH value for the dopamine solution for being 2mg/mL with trishydroxymethylaminomethane-hydrochloric acid buffer solution regulation concentration
For 8.5, then the gentle agitation 24h at 25 DEG C, makes its aoxidize auto polymerization and forms poly-dopamine, adds sodium alginate regulation viscosity
For 5000~10000cP, dopamine modified slurry is formed.
(2) the dopamine modified slurry that step (1) obtains is printed on to the surface of dacron using screen printing technique
Different pattern is formed, 60 DEG C of drying 20min, printing is then repeated, dries, obtain the patterning terylene base of dopamine modification
Bottom.
(3) the patterning terylene substrate that the dopamine that step (2) obtains is modified is immersed in 1% AgNO3With polyethylene
24h in the mixed solution of pyrrolidones, then take out and washed with distillation water washing, 60 DEG C of drying 20min, the patterning activated
Synthetic fibre substrate.
(4) to 40g/L AgNO3Ammoniacal liquor is added dropwise in solution from muddiness to clarification, the potassium hydroxide for adding 120g/L is molten
Liquid, continue to be added dropwise ammoniacal liquor from muddiness to clarification, be then quickly added into isometric glucose by 40g/L, 2.5g/L winestone
Sour potassium sodium, the reducing solution of 40mL/L ethanol composition, obtains AgNO3Electroplate liquid.
(5) the patterning terylene substrate for the activation for obtaining step (3) is placed in the AgNO that step (4) obtains3In electroplate liquid
Chemical silvering 20min is carried out at 35 DEG C using sedimentation, then takes out and is cleaned with distilled water, dries and is based at 50 DEG C
The pattern metal textile of dopamine pre-treatment, optics picture is as under Fig. 3 a, shown in b, c.
Comparative example 1
(1) pH value for the dopamine solution for being 2mg/mL with trishydroxymethylaminomethane-hydrochloric acid buffer solution regulation concentration
For 8.5, then the gentle agitation 24h at 25 DEG C, makes its aoxidize auto polymerization and forms poly-dopamine, adds sodium alginate regulation viscosity
For 5000~10000cP, dopamine modified slurry is formed.
(2) the dopamine modified slurry that step (1) obtains is printed on to the surface of dacron using screen printing technique
Pattern is formed, 60 DEG C of drying 20min, printing is then repeated, dries, obtain the patterning terylene substrate of dopamine modification.
(3) to 40g/L AgNO3Ammoniacal liquor is added dropwise in solution from muddiness to clarification, the potassium hydroxide for adding 120g/L is molten
Liquid, continue to be added dropwise ammoniacal liquor from muddiness to clarification, be then quickly added into isometric glucose by 40g/L, 2.5g/L winestone
Sour potassium sodium, the reducing solution of 40mL/L ethanol composition, obtains AgNO3Electroplate liquid.
(4) the patterning terylene substrate that dopamine that step (2) obtains is modified is placed in the AgNO that step (3) obtains3Electricity
Chemical silvering 20min is carried out at 35 DEG C using sedimentation in plating solution, then takes out and is cleaned with distilled water, dried at 50 DEG C
To the pattern metal textile based on dopamine pre-treatment.
Embodiment 1,2 takes different activation methods to obtain pattern metal dacron, wherein embodiment from comparative example 1
1 uses AgNO3Solution uses AgNO as activating solution, embodiment 23It is right with polyvinylpyrrolidone mixed solution as activating solution
Ratio 1 directly serves as active layer using DOPA amine layer.Because the material for carrying out chemical plating, can activation be to obtain high quality
Coating key.Therefore the performance for the pattern metal dacron that embodiment 1,2 obtains with comparative example 1 has been inquired into.
Use the resistance of double electrical measurement four-point probe (the Guangzhou Xi Mei Science and Technology Ltd.s) test products of RTS-9 types.Knot
Fruit is as shown in table 1.
The resistance test result of the product of table 1
It can be seen that pressing in comparative example 1 directly using dopamine as active layer from the result of table 1, it e insufficient to obtain figure
The metal conductive fabric of case, may it is relatively slow due to the speed of dopamine bind metal ion in the plating solution and can not be in the short time
Inside restore metallic and be attached to fabric face to promote the generation of chemical plating, so as to which continuous metal level can not be obtained, and
Embodiment 1 and embodiment 2 are all in Surface Creation metal level (as shown in Figure 3), but the electric conductivity of embodiment 2 is relatively better than implementing
Example 1, illustrate polyvinylpyrrolidone addition cause generation activation silver particles be distributed and must be more uniformly distributed in fabric face, quickening
The generation of silver ion reduction reaction.
According to the calculation formula of resistivity：The resistivity of the gained of embodiment 1,2 and comparative example 1 can be calculated such as
Shown in table 2.
Wherein ρ is resistivity, and conventional unit is the resistance value that Ω mR are material, and conventional unit is Ω, and S is the horizontal stroke of material
The size of sectional area, conventional unit m2, L be material length, conventional unit m.
The electrical resistivity results of the product of table 2
So from the point of view of resistance, resistivity and optical photograph, the metal fabric tool of resulting patterning in embodiment 2
There is good electric conductivity.From figure 3, it can be seen that the local argent generated is attached to the table of dacron after chemical plating
Face (Fig. 3), silver layer are fine and close and continuous, and the glossiness metal sense of silver color is presented, illustrates successfully to make on the surface of dacron
For the conductive pattern of metallization.
Claims (10)
1. a kind of preparation method of the pattern metal textile based on dopamine pre-treatment, including：
(1) pH value for adjusting dopamine solution is 6~9, then aoxidizes auto polymerization and forms poly-dopamine, and it is viscous to add slurry regulation
Degree, form dopamine modified slurry；Wherein the concentration of dopamine solution is 0.1~10mg/mL；
(2) surface that the dopamine modified slurry that step (1) obtains is printed on to dacron using printing technology forms pattern,
Drying, then repeats printing, dries, and obtains the patterning terylene substrate of dopamine modification；
(3) the patterning terylene substrate that the dopamine that step (2) obtains is modified is immersed in activated solution, be washed out, dried
The dry patterning terylene substrate activated；Wherein the concentration of activated solution is 0.1~2%；
(4) the patterning terylene substrate for the activation for obtaining step (3) is placed in metal plating liquid carries out chemical plating using sedimentation,
Then clean, drying obtains the pattern metal textile based on dopamine pre-treatment.
2. a kind of preparation method of pattern metal textile based on dopamine pre-treatment according to claim 1, its
It is characterised by：The technological parameter of oxidation auto polymerization is in the step (1)：Condition for exposure in atmosphere, add have oxidation
Property material or be passed through oxygen, mode for stand, stirring or violet exposure, autopolymerization temperature be 25~40 DEG C, auto polymerization duration
For 12~24h.
3. a kind of preparation method of pattern metal textile based on dopamine pre-treatment according to claim 1, its
It is characterised by：PH regulation solution in the step (1) is trishydroxymethylaminomethane-hydrochloric acid buffer solution；Slurry is shallow lake
One or more in powder, sodium alginate, guar gum, emulsion thickening, synthetic slurry.
4. a kind of preparation method of pattern metal textile based on dopamine pre-treatment according to claim 1, its
It is characterised by：Printing technology is inkjet printing, silk-screen printing, offset printing, heat transfer printing, cylinder print in the step (2)
Brush, roll-to-roll printing or roll printing；The technological parameter of drying is：Drying temperature is 40~80 DEG C, and drying time is 5~30 points
Clock.
5. a kind of preparation method of pattern metal textile based on dopamine pre-treatment according to claim 1, its
It is characterised by：Activated solution in the step (3) is molten for the mixing of metal salt solution or metal salt and polyvinylpyrrolidone
Liquid.
6. a kind of preparation method of pattern metal textile based on dopamine pre-treatment according to claim 5, its
It is characterised by：The metal salt is the one or more in silver salt, palladium salt, mantoquita, nickel salt.
7. a kind of preparation method of pattern metal textile based on dopamine pre-treatment according to claim 1, its
It is characterised by：Dip time is 2~24h in the step (3)；The process conditions of washing are：With distillation water washing；The work of drying
Skill parameter is：Drying temperature is 40~80 DEG C, and drying time is 5~30 minutes.
8. a kind of preparation method of pattern metal textile based on dopamine pre-treatment according to claim 1, its
It is characterised by：Metal plating liquid in the step (4) is made up of metal salt, aqueous solvent, additive, reducing solution.
9. a kind of preparation method of pattern metal textile based on dopamine pre-treatment according to claim 8, its
It is characterised by：The metal salt is one or both of mantoquita, silver salt；The reducing solution by 30~40g/L glucose, 1
~2.5g/L sodium potassium tartrate tetrahydrate, 20~40mL/L ethanol composition.
10. a kind of preparation method of pattern metal textile based on dopamine pre-treatment according to claim 1, its
It is characterised by：The technological parameter of sedimentation chemical plating in the step (4) is：Chemical plating temperature is 30~40 DEG C, chemical plating
Time is 10~20min；The process conditions of cleaning are：With distillation water washing；The technological parameter of drying is：Drying temperature be 40~
60 DEG C, drying time is 5~30 minutes.
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| CN108570163A (en) * | 2018-05-15 | 2018-09-25 | 东华大学 | A kind of preparation method of the high-efficiency electromagnetic shielding porous material based on nano-cellulose |
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| CN109267343A (en) * | 2018-07-26 | 2019-01-25 | 常州依丝特纺织服饰有限公司 | A kind of underlinen fabric environmentally friendly hydrophily slurry and preparation method thereof |
| CN111223998A (en) * | 2018-11-26 | 2020-06-02 | Tcl集团股份有限公司 | Quantum dot light-emitting diode and preparation method thereof |
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| CN112482024A (en) * | 2020-11-26 | 2021-03-12 | 南京信息工程大学 | Preparation method of copper-plated carbon fabric electromagnetic shielding material |
| CN112553885A (en) * | 2020-12-10 | 2021-03-26 | 武汉理工大学 | Preparation method of heat-conducting textile material |
| CN112553885B (en) * | 2020-12-10 | 2024-03-08 | 武汉理工大学 | Preparation method of heat-conducting textile material |
| CN115478432A (en) * | 2022-08-30 | 2022-12-16 | 江南大学 | Preparation method of flame-retardant conductive fabric |
| CN115478432B (en) * | 2022-08-30 | 2024-01-05 | 江南大学 | Preparation method of flame-retardant conductive fabric |
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