CN104514141B - Microwave electromagnet shielding fabric and manufacturing method thereof - Google Patents
Microwave electromagnet shielding fabric and manufacturing method thereof Download PDFInfo
- Publication number
- CN104514141B CN104514141B CN201310444135.2A CN201310444135A CN104514141B CN 104514141 B CN104514141 B CN 104514141B CN 201310444135 A CN201310444135 A CN 201310444135A CN 104514141 B CN104514141 B CN 104514141B
- Authority
- CN
- China
- Prior art keywords
- gold
- grams
- fabric
- sub
- metal composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
- Chemically Coating (AREA)
Abstract
The invention discloses a microwave electromagnet shielding fabric. The fabric comprises a basic layer and a metal composite coating. The basic layer is made of terylene network silk fabrics and is characterized in that a metal composite coating is arranged on the basic layer, wherein the bottom layer of the metal composite coating is a silver coating with a silver content of 4 to 10 grams per square meter, and the surface layer of the metal composite coating is an aurous coating, and the gold (I) content is 13 to 20 grams per square meter. The shielding performance on electromagnet field is improved, the synergetic effect between metal layers is enhanced, and the effective thickness of fabrics is also taken into account, so the provided fabric can be used in a wide frequency range of 300 MHz-300 GHz, the shielding effectiveness is 60-90 dB, and the reflectivity can reach 98%. The provided fabric has high shielding effectiveness and a strong reflecting performance on microwave electromagnetic radiation, and thus is especially suitable for being applied to industries such as aviation, aerospace, military research, medical industry, mine industry, and the like.
Description
Technical field
It is specifically a kind of to need what electromagnetic shielding occasion was used or worn the invention belongs to the technical field of Textile Engineering
Microwave electromagnetic loomage and its manufacture method.
Background technology
With the development of science and technology, our societies come into electronic age.Electromagnetically shielding fabrics in the market,
Manufacture method both domestic and external, the overwhelming majority is, metal or their compound, to assign on fiber or fabric, and it is to electromagnetism
Radiation shield efficiency ratio is relatively low, and the frequency range of application is narrower, such as CN1280223A a kind of fabric for shielding electromagnetic wave and its
Preparation method, discloses a kind of fabric for shielding electromagnetic wave, and it is produced by following steps：(1) host material is selected；（2）
Cleaning；（3) it is sensitized, activates；(4) electroless copper；(5) chemical nickel plating；(6) use and contain 0.8-1.2% ammonium chlorides and 0.1-0.5%
The aqueous solution soaking loomage of potassium sulfide 4-12 seconds is knitted with the solution immersion shielding containing 3% silicic acid, 1.5-2% antioxidants
Thing, then obtains finished product.Radiation-proof fabric of CN1199792A and preparation method thereof, discloses a kind of radiation-proof fabric, including
The coat of metal that the base fabrics that are made of common textile fibers, base fabrics surface chemical plating method are coated with, its feature exists
In the base material in addition to common textile fibers, another synthetic fibers that polyblend containing fiber total amount 5~20%, polyblend synthetic fibers
In containing 1~5% carbon black and 5~15% barium sulfate.The frequency of use scope of these Electromagnetically shielding fabrics is narrower, shielding effect
Can be relatively low, can not all meet the demand in market.
The content of the invention
It is an object of the present invention to provide a kind of microwave electromagnetic loomage, the fabric is applied to microwave frequency model
Enclose, frequency spectrum it is wider, shield effectiveness is higher, can be used for high field intensity, high-frequency field, and can be used for the ring of land and ocean
Border.
In order to realize this purpose, the technical scheme is that：A kind of microwave electromagnetic loomage, including basic unit and gold
Category composite deposite, the basic unit of the fabric is terylene net-thread fabric, it is characterised in that set metal composite cladding in the basic unit,
The bottom of the metal composite cladding is plated metallic silver, and the content of silver is 4 ~ 10 grams/m, the metal composite cladding
Surface layer is sub- gold plate, and the content of sub- gold is 13 ~ 20 grams/m.According to a preferred embodiment of the invention, the terylene network
Silk fabrics be polyester FDY type 70D/24F, density be 110 × 100,1 on 4 under twill-weave structure.
Another object of the present invention is to provide a kind of manufacture method of microwave electromagnetic loomage, the fabric being made is applicable
Wider in microwave frequency range, frequency spectrum, shield effectiveness is higher, can be used for high field intensity, high-frequency field, and can be used for land
With the environment of ocean.
To achieve these goals, the technical scheme is that：A kind of manufacture method of microwave electromagnetic loomage, its
It is characterised by that the preparation method comprises the following steps：A, making base fabric；B, to carry out in base fabric sputtering silver-plated, forms gold
Category silvering, the content of silver is 4 ~ 10 grams/m；C, on plated metallic silver, then carry out the sub- gold of single bath process chemical plating, shape
Into sub- gold plate, the content of sub- gold is 13 ~ 20 grams/m.
In wherein step C, activated with 5% aqueous sulfuric acid, after water washing is distilled, directly carry out single bath process chemical plating
Sub- gold, plating bath composition：
A liquid：CuSO4•5H213 ~ 16g/l of O,
26 ~ 28g/l of sodium potassium tartrate tetrahydrate,
AgNO3 0.5 ~ 0.8g/l,
ZnSO4•7H2O 2.0g ~ 4.0/l,
Al2（SO4）3•8H20.5 ~ 1.5g/l of O,
Bipyridyl 0.5ml ~ 6/l,
NiSO4 •7H21.0 ~ 1.5g/l of O,
The rest is water；
B liquid：10 ~ 12ml/l of formaldehyde,
3 ~ 4g/l of sodium hypophosphite,
1.5 ~ 2.5g/l of polyethylene glycol,
1.5 ~ 2.5ml/l of ethanol,
The rest is water；
After A liquid B liquid is prepared respectively, B liquid is poured slowly into A liquid and is mixed,
PH value is adjusted to between 11 ~ 13 with NaOH, bath temperature：38 ~ 45 DEG C, 35 ~ 45 minutes time；
Finished product is made after washing, drying.
The present invention enhances the synergy between metal level due to improve the shield effectiveness to electromagnetic field emphatically, with
And the effective thickness of raising fabric all takes into full account, can realize being used in 300MHz ~ 300GHz frequency ranges wider,
Shield effectiveness is 60 ~ 90dB, and reflectivity reaches 98%.The present invention has stronger shield effectiveness and higher to Microwave electromagnetic irradiation
Reflection function, is particularly well-suited to Aeronautics and Astronautics, military project scientific research, health care and industrial enterprise etc. and uses.
Specific embodiment
With reference to specific embodiment, the present invention is further described.
Microwave electromagnetic loomage of the present invention, is made up of basic unit and metal composite cladding, and the basic unit is terylene
Network silk fabrics, the terylene net-thread use FDY type 70D/24F, density be 110 × 100,1 on 4 under twill-weave knot
Structure, breadth 110cm.It is 4 ~ 10 grams/m to carry out sputtering silver-plated, silver-colored content on basic unit, and being formed has silver color minute surface
Plated metallic silver, carry out the sub- gold of single bath process chemical plating again on plated metallic silver, form sub- gold plate, the content of sub- gold is
13 ~ 20 grams/m, wherein 9.8 ~ 11.5 grams/m of Cu, 0.3 ~ 0.4 gram/m of Ag, grams/square of Zn 1.6 ~ 2
Rice, 0.65 ~ 0.8 gram/m and 1.3 ~ 1.6 grams/m of Ni of Al.According to a particular embodiment of the invention, the sub- gold
Each component is respectively 10.68 grams/m of Cu, 0.36 gram/m of Ag, 1.8 grams/m of Zn, Al 0.72 in coating
Gram/m and 1.44 grams/m of Ni.
A kind of manufacture method of microwave electromagnetic loomage, it is characterised in that the preparation method is as follows：A, using terylene
Network yarn makes frivolous smooth standardized base fabric；B, carry out on base fabric that sputtering is silver-plated, being formed has silver color mirror
The plated metallic silver in face；C, on plated metallic silver, then carry out the sub- gold of single bath process chemical plating, be made finished product.
In step A, using terylene net-thread, FDY type 70D/24F, density is 110*100,1 on 4 under twill-weave knot
Structure, breadth 110cm is made frivolous smooth standardized base fabric.
In step B, base fabric is carried out degreasing, be roughened, carried out after dehumidifying in the sputtering equipment of high vacuum high pressure, carried out
3 ~ 5 sputterings, make the silver content of silver coating reach 4 ~ 10 grams/m, so as to obtain the silver specular with high reflection knit repeatedly
Thing.
In step C, the plated metallic silver obtained in step B, then weak acid activation process is carried out, one is directly entered after washing
The sub- gold of bath forensic chemistry plating, the content of its sub- gold is 13 ~ 20 grams/m.
It is below specific embodiment of the invention.
From 20 meters of base fabrics carry out degreasing, roughening, dehumidifying after carry out sputtering it is silver-plated, then with 5% aqueous sulfuric acid activation,
After with distillation water washing, the sub- gold of single bath process chemical plating is directly carried out.Plating bath is constituted：
A liquid：CuSO4•5H2O 13g/l,
Sodium potassium tartrate tetrahydrate 26g/l,
AgNO3 0.5g/l,
ZnSO4•7H2O 2.0g/l,
Al2（SO4）3•8H2O 0.5g/l,
Bipyridyl 0.5ml/l（Alcohol liquid）,
NiSO4 •7H2O 1.5g/l,
The rest is water；
B liquid：Formaldehyde 10ml/l,
The g/l of sodium hypophosphite 3,
Polyethylene glycol（1000）2 g/l,
Ethanol 2ml/l,
The rest is water；
After A liquid B liquid is prepared respectively, stir and mixed while B liquid is poured slowly into A liquid, use hydroxide
It is 12 that sodium is adjusted to pH value, and being then put into fabric carries out the sub- gold of single bath process chemical plating, bath temperature：38 ~ 45 DEG C, 35 ~ 45 minutes time；
Finished product is made after washing, drying.
Embodiment 2
From 20 meters of base fabrics carry out degreasing, roughening, dehumidifying after carry out sputtering it is silver-plated, then with 5% aqueous sulfuric acid activation,
After with distillation water washing, the sub- gold of single bath process chemical plating is directly carried out.Plating bath is constituted：
A liquid：CuSO4•5H2O 16g/l；
Sodium potassium tartrate tetrahydrate 28g/l,
AgNO30.8 g/l,
ZnSO4•7H2O 4g/l；
Al2（SO4）3•8H2O 1.5g/l；
Bipyridyl 0.5g/l（Alcohol liquid）,
NiSO4 •7H2O 1.0g/l,
The rest is water；
B liquid：Formaldehyde 12ml/l,
The g/l of sodium hypophosphite 4,
Polyethylene glycol（1000）2 g/l,
Ethanol 1.5ml/l,
The rest is water；
After A liquid B liquid is prepared respectively, stir and mixed while B liquid is poured slowly into A liquid, use hydroxide
It is 12 that sodium is adjusted to pH value, and being then put into fabric carries out the sub- gold of single bath process chemical plating, bath temperature：38 ~ 45 DEG C, 35 ~ 45 minutes time；
Finished product is made after washing, drying.
It should be noted that because the main body of A liquid is metal ion, and the main body of B liquid is reducing agent, needed during mixing by
B liquid is poured slowly into A liquid, can not be overturned.Just by reducing metal ions into metal after mixing, it is deposited on fabric.
Claims (4)
1. a kind of microwave electromagnetic loomage, including basic unit and metal composite cladding, the basic unit of the fabric knit for terylene net-thread
Thing, it is characterised in that metal composite cladding is set in the basic unit, and the bottom of the metal composite cladding is plated metallic silver, silver
Content be 4 ~ 10 grams/m, the surface layer of the metal composite cladding is sub- gold plate, the content of sub- gold for 13 ~ 20 grams/it is flat
Square rice, the content of each component is 9.8 ~ 11.5 grams/m of Cu in the sub- gold, 0.3 ~ 0.4 gram/m of Ag, Zn 1.6 ~
2 grams/m, 0.65 ~ 0.8 gram/m and 1.3 ~ 1.6 grams/m of Ni of Al.
2. microwave electromagnetic loomage according to claim 1, it is characterised in that the terylene net-thread fabric is terylene
FDY type 70D/24F, density be 110 × 100,1 on 4 under twill-weave structure.
3. a kind of manufacture method of microwave electromagnetic loomage, it is characterised in that the preparation method comprises the following steps：A, system
Make base fabric；B, to carry out on base fabric fabric sputtering silver-plated, forms plated metallic silver, and the content of silver is 4 ~ 10 grams/m；
C, on plated metallic silver, then carry out the sub- gold of single bath process chemical plating, form sub- gold plate, the content of sub- gold for 13 ~ 20 grams/it is flat
Square rice, in step C, is activated with 5% aqueous sulfuric acid, after water washing is distilled, directly carries out the sub- gold of single bath process chemical plating, plating
Bath composition：
A liquid：CuSO4·5H213 ~ 16g/l of O,
26 ~ 28g/l of sodium potassium tartrate tetrahydrate,
AgNO30.5 ~ 0.8g/l,
ZnSO4·7H2O 2.0g ~ 4.0 g/l,
Al2（SO4）3·8H20.5 ~ 1.5g/l of O,
Bipyridyl 0.5ml ~ 6 ml/l,
NiSO4 ·7H21.0 ~ 1.5g/l of O,
The rest is water；
B liquid：10 ~ 12ml/l of formaldehyde,
3 ~ 4g/l of sodium hypophosphite,
1.5 ~ 2.5g/l of polyethylene glycol,
1.5 ~ 2.5ml/l of ethanol,
The rest is water；
B liquid is poured slowly into A liquid and is mixed, be adjusted to pH value between 11 ~ 13 with NaOH, bath temperature：38 ~ 45 DEG C, when
Between 35 ~ 45 minutes；Finished product is made after washing, drying.
4. manufacture method according to claim 3, it is characterised in that in step A, using terylene net-thread, FDY types 70D/
24F, density be 110 × 100,1 on 4 under twill-weave structure be made base fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444135.2A CN104514141B (en) | 2013-09-26 | 2013-09-26 | Microwave electromagnet shielding fabric and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310444135.2A CN104514141B (en) | 2013-09-26 | 2013-09-26 | Microwave electromagnet shielding fabric and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514141A CN104514141A (en) | 2015-04-15 |
| CN104514141B true CN104514141B (en) | 2017-05-24 |
Family
ID=52789995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310444135.2A Active CN104514141B (en) | 2013-09-26 | 2013-09-26 | Microwave electromagnet shielding fabric and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104514141B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107864604A (en) * | 2017-11-10 | 2018-03-30 | 中国科学院西安光学精密机械研究所 | Electromagnetic radiation shielding structure |
| CN109371668A (en) * | 2018-09-25 | 2019-02-22 | 广州巨枫科技有限公司 | A kind of electromagnetic shielding anti-radiation electric conduction cloth |
| CN109306460A (en) * | 2018-09-25 | 2019-02-05 | 广州小楠科技有限公司 | A kind of Electromagnetically shielding fabrics and preparation method thereof |
| CN109367164A (en) * | 2018-09-25 | 2019-02-22 | 东莞绿邦智能科技有限公司 | A kind of anti-radiation casement |
| CN109346230A (en) * | 2018-09-25 | 2019-02-15 | 东莞方凡智能科技有限公司 | Anti-interference cable with electromagnetic shielding capability |
| CN109244865A (en) * | 2018-09-25 | 2019-01-18 | 广州文搏科技有限公司 | A kind of distribution box with shell structure |
| CN112687421A (en) * | 2019-10-18 | 2021-04-20 | 福懋兴业股份有限公司 | Conductive cloth and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280223A (en) * | 1999-07-07 | 2001-01-17 | 刘绍芝 | Fabric for shielding electromagnetic wave and its producing method |
| CN1715473A (en) * | 2004-06-29 | 2006-01-04 | 上海利昂高科技有限公司 | Flexible electric conductive fabric and its producing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1738924A (en) * | 2002-09-20 | 2006-02-22 | 高贵纤维科技公司 | Improved silver plating method and articles made therefrom |
| KR101101918B1 (en) * | 2004-09-15 | 2012-01-02 | 세키스이나노코토테크노로지 가부시키가이샤 | Metal-coated textile |
| CN1304679C (en) * | 2004-12-14 | 2007-03-14 | 东华大学 | Copper-in-tin electromagnetic screen textile and method for preparing same |
| CN101580998B (en) * | 2009-06-18 | 2011-05-04 | 浙江理工大学 | Antistatic, conductive and electromagnetic shielding textile and preparation method thereof |
-
2013
- 2013-09-26 CN CN201310444135.2A patent/CN104514141B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280223A (en) * | 1999-07-07 | 2001-01-17 | 刘绍芝 | Fabric for shielding electromagnetic wave and its producing method |
| CN1715473A (en) * | 2004-06-29 | 2006-01-04 | 上海利昂高科技有限公司 | Flexible electric conductive fabric and its producing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104514141A (en) | 2015-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104514141B (en) | Microwave electromagnet shielding fabric and manufacturing method thereof | |
| TWI524939B (en) | Stable catalysts for electroless metallization | |
| CN102701603B (en) | Preparation method for copper/zinc coating on surface of glass fiber | |
| KR101124543B1 (en) | Electromagnetic wave shielding fabric with high bio-energy radiation function | |
| CN102899890A (en) | Aramid fiber surface metallization treatment method | |
| CN103130421B (en) | Nickel plating silvered glass bead and preparation method thereof | |
| WO2002018700A1 (en) | A fabric shielding electromagnetic wave and a preparation method | |
| CN104164784B (en) | Preparation method of composite fiber with high thermal conductivity through coating graphene on chemical fiber surface | |
| CN105063580A (en) | Preparation method of nickel-coated graphite powder for electroconductive rubber of electromagnetic shielding material | |
| CN104532214A (en) | Preparation method of high-performance conductive glass fiber | |
| CN104018139A (en) | Hollow microsphere/Ni-Fe-P/Cu composite coating and preparation method thereof | |
| CN103757617B (en) | A kind of Ni-Cu-La-B quaternary alloy plating solution and the method for the plating of glass fibre chemistry | |
| CN104357816A (en) | Preparation method of copper-nickel conducting fabric | |
| CN1268803C (en) | Nickel-copper composite metal textile and preparation method thereof | |
| KR101004282B1 (en) | Plating method of conductive fabric for Using Electromagnetic interference shield | |
| CN201174256Y (en) | Electricity conductive shielding fabric | |
| Qin et al. | Metallization of polyester fabric by autocatalytic copper plating process using glyoxylic acid as a reducing agent | |
| Zhong et al. | Flexible and durable poly para-phenylene terephthalamide fabric constructed by polydopamine and corrugated Co-Ni-P alloy with reflection characteristic for electromagnetic interference shielding | |
| KR100935185B1 (en) | Method for manufacturing textile coated with conductive metal | |
| CN112026272B (en) | Novel wave-absorbing material with honeycomb structure and preparation method thereof | |
| CN107815855A (en) | A kind of preparation method of textile metallic | |
| CN201736490U (en) | High-performance environment-friendly electromagnetic shielding fabric | |
| CN102373446B (en) | Preparation method of composite conductive shielding materials | |
| JP2008031507A (en) | Silver-plated fibrous material | |
| Jiang et al. | Modification of textile surfaces using electroless deposition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Jinzhai South Road, Shushan District of Hefei City, Anhui province 230022 No. 157 South Building Room 1405-1406 Applicant after: HEFEI AJIACN RADIATION TECHNOLOGY CO., LTD. Applicant after: Liang High Tech Co., Ltd., Shanghai Address before: Baohe District of Hefei city of Anhui province Taihu 230022 emblem Building 5 room 810 yuan Shang Lake Applicant before: HEFEI AJIACN RADIATION TECHNOLOGY CO., LTD. Applicant before: Liang High Tech Co., Ltd., Shanghai |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |