CN110230190A - A kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function - Google Patents
A kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function Download PDFInfo
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- CN110230190A CN110230190A CN201910525900.0A CN201910525900A CN110230190A CN 110230190 A CN110230190 A CN 110230190A CN 201910525900 A CN201910525900 A CN 201910525900A CN 110230190 A CN110230190 A CN 110230190A
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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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/04—Physical treatment combined with treatment with chemical compounds or elements
- D06M10/06—Inorganic compounds or elements
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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
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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
- 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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
-
- 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
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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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- 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
- D06M2101/34—Polyamides
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The present invention relates to electromangnetic spectrum fields, more particularly to a kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function, using following steps: step 1, the processing of fabric Dopamine hydrochloride: fabric is put into immersion treatment in Dopamine hydrochloride solution, so that its surface is formed poly-dopamine film, forms initial treatment fabric；Step 2, fabric surface impregnate silver nitrate solution processing: the initial treatment fabric in step 1 being immersed in silver nitrate solution again, using dopamine to the chelation of metallic silver, equally distributed silver ion film is formed in fabric surface, forms semi-finished product and handle fabric；Step 3, ultraviolet light restore chemical silver-plated process；Step 4, setting treatment；The problems such as it is seriously polluted existing for conventional method by the chelation and photo-reduction method of metal ion, being overcome using dopamine, complex process, has many advantages, such as that simple process, environmental-friendly, shield effectiveness is high, suitable industrialized production.
Description
Technical field
The present invention relates to electromangnetic spectrum fields, and in particular to a kind of to knit with antibacterial, the silver-plated of electro-magnetic screen function
The preparation method of object.
Background technique
The propagation of harmful bacteria and the threat to human health is spread with the rapid development of modern society, in daily life
It is increasing, while the fast development of electronic technology brings the increasingly exacerbation of electromagnetic pollution, so to antibacterial textile/anti-electromagnetism
Oneself warp of the research and development of function of shielding becomes the research topic of people's extensive concern.
The mechanism of electromagnetic shielding is: first is that, when electromagnetic wave reaches shield surface, due to the interface of air and metal
Discontinuous, the reflection that incidence wave is generated of upper impedance.This reflection does not require shielding material that must have certain thickness, as long as
Ask discontinuous on interface；Second is that not fallen and being entered the energy of shield, the process propagated forward in vivo by surface reflection
In, decayed by shielding material.Namely so-called absorption；Third is that the dump energy not yet attenuated in shield, is passed to
When another surface of material, the interface of metal-air impedance discontinuity is encountered, will form secondary reflection again, and returns to screen
It covers in vivo.This reflection may have multiple reflection on the interface of two metals.In short, electromagnetic shield declines to electromagnetism
Subtract the absorption of the reflection and electromagnetic wave that are mainly based upon electromagnetic wave.
Influence shield shield effectiveness only there are two factor: one is that entire shield surface must be conductive continuous
, the other is cannot have the conductor for being directed through shield.There are many conductive discontinuity poinies, most important one kind on shield
It is the non-conductive gap that shield different piece junction is formed.These nonconducting gaps just produce electromagnetic leakage, as
Fluid can leak equally on gap from container.A method for solving this leakage is the filling electrically conductive elastic material at gap
Material, eliminates non-conductive point.This is just as the reason of filled rubber at the gap of fluid container.This elastic conduction fills material
Material is exactly electromagnetic sealing liner.Electromagnetic shield is likened into liquid sealing container in many documents, it appears that only when with leading
Gap sealing can be prevented electromagnetic-wave leakage to watertight degree by electric elastic material.Actually this is inapt.
Because gap or hole whether can leakage electromagnetic wave, the size depending on gap or hole relative to electromagnetic wavelength.Work as wavelength
When much larger than opening size, apparent leakage can't be generated.
And instantly society be a basic internet+a networked society.Electronic equipment, electric terminal at for people's lives,
It works, lie fallow, entertaining indispensable carrier.The 3C Products such as laptop, GPS, ADSL and mobile phone all can be because of high frequency
Electromagnetic Interference generates noise, influences communication quality.It, may easy cancer stricken if another human body is exposed to powerful electromagnetic off field for a long time
Lesion.Therefore anti-electromagnetic interference has been indispensable and imperative processing procedure.
There are many ways to traditional preparation antibacterial/anti-electro-magnetic screen function textile: it is carried out in synthetic fiber surface
Chemical silvering, electroless copper, chemical nickel plating etc..Since copper, nickel belong to heavy metal, it is harmful to the human body, and silver has high conduction
Property and spectrum long-term antimicrobial efficiency, silver coating fabric be a kind of electromagnetic shielding material being widely used at present, especially weaving take
Dress field.But traditional chemical plating process using noble metal be used as catalyst, it is not only expensive and pollute environment, and
It needs by the multiple working procedures such as oil removing, roughening, sensitization, activation, complex process.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide one kind to have antibacterial, electromagnetic shielding function
The preparation method of the silver coating fabric of energy.
A kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function of the present invention, using following step
It is rapid:
Step 1, the processing of fabric Dopamine hydrochloride:
Fabric is put into immersion treatment in Dopamine hydrochloride solution, its surface is made to form poly-dopamine film, is formed initial
Handle fabric；
Step 2, fabric surface impregnate silver nitrate solution processing:
Initial treatment fabric in step 1 is immersed in silver nitrate solution again, using dopamine to the chelation of metallic silver,
Equally distributed silver ion film is formed in fabric surface, semi-finished product is formed and handles fabric；
Step 3, ultraviolet light restore chemical silver-plated process:
It is being knitted using the semi-finished product processing fabric in ultraviolet light irradiation step 2 by ultraviolet light to the reduction of silver ion
Object surface forms equally distributed nano-silver layer, forms finished product and handles fabric；
Step 4, setting treatment:
Finished product made from step 3 is handled fabric to be formed by baking oven, obtains sizing silver coating fabric.
Further, the fabric in step 1 is dacron, nylon fabric, spandex fabric or other chemical & blended fabrics.
Further, the fabric in step 1 is put into the time of immersion treatment in Dopamine hydrochloride solution as 20-
120min。
Further, in step 1=Dopamine hydrochloride concentration be 0.5-10g/L, PH 7.5-9.5.
Further, the silver nitrate concentration in step 2 is 1-20g/L.
Further, the oven temperature in step 4 is 70-150 DEG C, processing speed 1-5m/min.
The invention has the following beneficial effects: a kind of system with antibacterial, the silver coating fabric of electro-magnetic screen function of the present invention
Preparation Method, it overcomes conventional method presence by the chelation and photo-reduction method using dopamine to metal ion
It is seriously polluted, the problems such as complex process, have many advantages, such as that simple process, environmental-friendly, shield effectiveness is high, be suitble to industry metaplasia
It produces.
[specific embodiment]
With specific embodiment, the present invention will be described in detail below, and illustrative examples therein and explanation are only used to explain this hair
It is bright but not as a limitation of the invention.
A kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function, is adopted described in present embodiment
With following steps:
Step 1, the processing of fabric Dopamine hydrochloride:
Fabric is put into immersion treatment in Dopamine hydrochloride solution, the processing time is 20-120min, forms its surface poly-
Dopamine film forms initial treatment fabric；
Wherein: Dopamine hydrochloride concentration is 0.5-10g/L, PH 7.5-9.5；
Wherein: fabric is dacron, nylon fabric, spandex fabric or other chemical & blended fabrics；
Step 2, fabric surface impregnate silver nitrate solution processing:
Initial treatment fabric in step 1 is immersed in silver nitrate solution again, silver nitrate concentration 1-20g/L；Utilize dopamine
To the chelation of metallic silver, equally distributed silver ion film is formed in fabric surface, semi-finished product is formed and handles fabric；
Step 3, ultraviolet light restore chemical silver-plated process:
It is being knitted using the semi-finished product processing fabric in ultraviolet light irradiation step 2 by ultraviolet light to the reduction of silver ion
Object surface forms equally distributed nano-silver layer, forms finished product and handles fabric；
Step 4, sizing:
Finished product made from step 3 is handled fabric to be formed by baking oven；Wherein oven temperature is 70-150 DEG C, processing speed
For 1-5m/min, sizing silver coating fabric is obtained.
The specific embodiment of the invention one:
(1) fabrics of polyester being put into immersion treatment in 1g/L Dopamine hydrochloride solution, the processing time is 30min, PH 8,
Its surface is set to form poly-dopamine film.
(2) the processed fabric of step (1) is immersed in 10g/L silver nitrate solution, using dopamine to the chela of metallic silver
Cooperation is used in fabric surface and forms equally distributed silver ion film.
(3) 100W ultraviolet light irradiation step (2) processed fabric is used, using ultraviolet light to the reduction of silver ion
Equally distributed nano-silver layer is formed in fabric surface.
(4) by silver coating fabric made from step (3) at 100 DEG C setting treatment, processing speed 2m/min.
Use silver coating fabric sheet resistance made from above-mentioned technique for 0.01 ohm, electromagnetic wave shielding can exceed that 60dB, resist
Bacterium effect reaches 99%, has good antibacterial effectiveness.
The specific embodiment of the invention two:
(1) nylon fibre fabric is put into immersion treatment in 5g/L Dopamine hydrochloride solution, the processing time is 60min, and PH is
8.5, so that its surface is formed poly-dopamine film.
(2) the processed fabric of step (1) is immersed in 15g/L silver nitrate solution, using dopamine to the chela of metallic silver
Cooperation is used in fabric surface and forms equally distributed silver ion film.
(3) 80W ultraviolet light irradiation step (2) processed fabric is used, using ultraviolet light to the reduction of silver ion
Equally distributed nano-silver layer is formed in fabric surface.
(4) by silver coating fabric made from step (3) at 120 DEG C setting treatment, processing speed 3m/min.
Use silver coating fabric sheet resistance made from above-mentioned technique for 0.01 ohm, electromagnetic wave shielding can exceed that 60dB, resist
Bacterium effect reaches 99%, has good antibacterial effectiveness.
The specific embodiment of the invention three:
(1) spandex fibre fabric being put into immersion treatment in 10g/L Dopamine hydrochloride solution, the processing time is 45min, PH 9,
Its surface is set to form poly-dopamine film.
(2) the processed fabric of step (1) is immersed in 10g/L silver nitrate solution, using dopamine to the chela of metallic silver
Cooperation is used in fabric surface and forms equally distributed silver ion film.
(3) 80W ultraviolet light irradiation step (2) processed fabric is used, using ultraviolet light to the reduction of silver ion
Equally distributed nano-silver layer is formed in fabric surface.
(4) by silver coating fabric made from step (3) at 150 DEG C setting treatment, processing speed 5m/min.
In the present invention, dopamine is emerging environmentally friendly as one kind, there is fine chelation to imitate metal ion
Green material for being modified, have it is easy to operate, it is environmental-friendly, it is low in cost the advantages that.The catechol group of dopamine can
The binding force of some strength is generated to metal, and composite layer has stronger reducing power to metal ion, deposition is poly- when surface
When the modified material of DOPA amine layer is immersed in metal salt solution, poly-dopamine composite layer therefrom reducing metal ion and makes its deposition
On the surface of the material.Meanwhile being irradiated using presoma of the ultraviolet source to silver, induce it to generate free electron or reproducibility certainly
By base, then the nucleus to form metal atom state is restored, then gradually forms nano particle.
The present invention uses silver coating fabric sheet resistance made from above-mentioned technique for 0.01 ohm, and electromagnetic wave shielding can exceed that
60dB, antibacterial effect reach 99%, have good antibacterial effectiveness.
A kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function of the present invention, it passes through utilization
Dopamine overcomes seriously polluted existing for conventional method to the chelation and photo-reduction method of metal ion, and technique is multiple
The problems such as miscellaneous, has many advantages, such as that simple process, environmental-friendly, shield effectiveness is high, is suitble to industrialized production.
The above description is only a preferred embodiment of the present invention, therefore all according to feature described in present patent application range and original
Done equivalent change or modification is managed, is included in the scope of the patent application of the present invention.
Claims (6)
1. a kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function, it is characterised in that: use following steps:
Step 1, the processing of fabric Dopamine hydrochloride:
Fabric is put into immersion treatment in Dopamine hydrochloride solution, its surface is made to form poly-dopamine film, is formed initial
Handle fabric；
Step 2, fabric surface impregnate silver nitrate solution processing:
Initial treatment fabric in step 1 is immersed in silver nitrate solution again, using dopamine to the chelation of metallic silver,
Equally distributed silver ion film is formed in fabric surface, semi-finished product is formed and handles fabric；
Step 3, ultraviolet light restore chemical silver-plated process:
It is being knitted using the semi-finished product processing fabric in ultraviolet light irradiation step 2 by ultraviolet light to the reduction of silver ion
Object surface forms equally distributed nano-silver layer, forms finished product and handles fabric；
Step 4, setting treatment:
Finished product made from step 3 is handled fabric to be formed by baking oven, obtains sizing silver coating fabric.
2. a kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function according to claim 1, feature
Be: the fabric in step 1 is dacron, nylon fabric, spandex fabric or other chemical & blended fabrics.
3. a kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function according to claim 1, feature
Be: the time that the fabric in step 1 is put into immersion treatment in Dopamine hydrochloride solution is 20-120min.
4. a kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function according to claim 1, feature
Be: the Dopamine hydrochloride concentration in step 1 is 0.5-10g/L, PH 7.5-9.5.
5. a kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function according to claim 1, feature
Be: the silver nitrate concentration in step 2 is 1-20g/L.
6. a kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function according to claim 1, feature
Be: the oven temperature in step 4 is 70-150 DEG C, processing speed 1-5m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910525900.0A CN110230190A (en) | 2019-06-18 | 2019-06-18 | A kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910525900.0A CN110230190A (en) | 2019-06-18 | 2019-06-18 | A kind of preparation method with antibacterial, the silver coating fabric of electro-magnetic screen function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395002A (en) * | 2020-03-18 | 2020-07-10 | 闽江学院 | Preparation method of textile electrode material and textile electrode material |
| CN111910427A (en) * | 2020-07-31 | 2020-11-10 | 张威劲 | Antistatic non-woven fabric and preparation method thereof |
| CN112826175A (en) * | 2021-01-22 | 2021-05-25 | 周志茹 | Preparation method and application of silver ion long-acting sterilization insole |
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| CN101864670A (en) * | 2010-06-23 | 2010-10-20 | 东华大学 | Method for preparing nano silver-containing anti-bacterial fabric by immersion process |
| CN102505460A (en) * | 2011-09-30 | 2012-06-20 | 桂林理工大学 | Method for producing silver-carrying antibacterial sisal fibers |
| CN103233358A (en) * | 2013-05-23 | 2013-08-07 | 中原工学院 | Preparation method of polylactic acid/sliver composite conductive fiber |
| CN105442306A (en) * | 2015-11-23 | 2016-03-30 | 四川大学 | Preparation method of dopamine modified nano-silver textile fabric |
| CN107227610A (en) * | 2017-05-11 | 2017-10-03 | 江苏银桥纺织科技有限公司 | A kind of preparation technology of antibiotic fabric |
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2019
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| CN101864670A (en) * | 2010-06-23 | 2010-10-20 | 东华大学 | Method for preparing nano silver-containing anti-bacterial fabric by immersion process |
| CN102505460A (en) * | 2011-09-30 | 2012-06-20 | 桂林理工大学 | Method for producing silver-carrying antibacterial sisal fibers |
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| RUNKAI WANG: "Enhanced Antibacterial Activity of Silver-Coated Kapok Fibers Through Dopamine Functionalization", 《WATER AIR SOIL POLLUT》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111395002A (en) * | 2020-03-18 | 2020-07-10 | 闽江学院 | Preparation method of textile electrode material and textile electrode material |
| CN111395002B (en) * | 2020-03-18 | 2022-11-04 | 闽江学院 | Preparation method of textile electrode material and textile electrode material |
| CN111910427A (en) * | 2020-07-31 | 2020-11-10 | 张威劲 | Antistatic non-woven fabric and preparation method thereof |
| CN112826175A (en) * | 2021-01-22 | 2021-05-25 | 周志茹 | Preparation method and application of silver ion long-acting sterilization insole |
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Application publication date: 20190913 |