CN101113568A - Ferrous metal electromagnetic screen fabric and method for making same - Google Patents
Ferrous metal electromagnetic screen fabric and method for making same Download PDFInfo
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- CN101113568A CN101113568A CNA2007100446510A CN200710044651A CN101113568A CN 101113568 A CN101113568 A CN 101113568A CN A2007100446510 A CNA2007100446510 A CN A2007100446510A CN 200710044651 A CN200710044651 A CN 200710044651A CN 101113568 A CN101113568 A CN 101113568A
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Abstract
The invention relates to a black metallization electromagnet shield textile and a preparation method thereof. The preparation method comprises: (1) copper plated fiber textile is soaked in 3 mol/L chromic acid solution, then washed by clean water; (2) black nickel solution is prepared, pH value is regulated to 2 to 6, nickel anode is adopted under the temperature of 10 to 50 DEG C, the chemically plated copper textile is immersed and plated until the replacement reaction is completed, and a conductive fibre textile plated with black metallic nickel is obtained; (3) the plated fiber textile is washed by water and coated by protection resin, then dried. The textile has the advantages of excellent conduction, good wear resistant property, decay resistance and light absorption property and has functions of decoration, protection and light absorption, etc; meanwhile the textile has higher serviceability, which can be used in the areas such as conductive rubber bell, conductive machine weaving, conductive non woven fabric, shielding liner, etc.
Description
Technical field
The invention belongs to electromagnetic wave screen fabric and preparation method thereof, particularly a kind of ferrous metal electromagnetic screen fabric and preparation method thereof.
Background technology
At present, more and more to the research of Electromagnetically shielding fabrics both at home and abroad.Most researchers is placed on research emphasis on the electric conductivity that improves fabric, and the prepared sample that goes out has good shield effectiveness under 10mHz～1GHz.
Common Electromagnetically shielding fabrics is widely used in the electromagnetic compatibility material of computer, communication cabinet, all kinds of household electrical appliance as shielding press strip, soft arranging wire conductive fabric, conductive liner rim strip etc.Easy to use, in light weight, cost performance is good, in electromagnetic Compatibility Design, more and more be familiar with and adopted by people.Research in this respect both at home and abroad is a lot, and has formed industry.
Electromagnetic wave screen fabric is to shield high-frequency, the comparatively desirable advanced material of large power, electrically magnetic radiation now, takes with industry at electromagnetic wave shielding and conduction etc. to have a good application prospect with the field.As in routine work and life, also electromagnetic wave screen fabric can be made apron, vest for the pregnant woman; For the housewife makes microwave bonnet etc.; For the personnel that work before computer for a long time are sewn into protective clothes, gloves and cap etc.; Also can make different geometries and radiation source is shielded etc. electromagnetic wave screen fabric is bonding.In addition, also can utilize electromagnetic wave screen fabric to realize the compatibility of electronic system, as the soft touch switch in the electronic equipments such as making computer.Because conductive fabric is to the very high (＜50m Ω/cm of the requirement of resistance
2), domestic manufacturer mainly relies on import at present, thereby has bigger range of application and better market prospect.
The fabric that is used for electromagnetic radiation protection the earliest comes across the sixties in last century, is the fabric by wire and textile fabric shuffling.It has certain shielding action to electromagnetic radiation, but feel is harder, and is thick and weigh, and wearability is relatively poor.On this basis, occurred metal fibre and textile fabric blended fabric again, its wearability has bigger improvement.But because these two kinds of fibers are difficult to mix, shielding properties is undesirable, also has point discharge and thorn people's phenomenon.To the beginning of the seventies in last century, silver coating fabric has appearred, and its protection is effective, gently approaches, and wearability is better, but feel is still harder.Because popularizing of electronic product, it is more and more to contact electromagnetic people, and the chemical silvering fabric costs an arm and a leg, thereby can not be used widely.The seventies in last century, art was developed into electroless copper or nickel plating fabric both at home and abroad again, was used for replacing silver coating fabric, and its performance is similar, but price is cheaper, for practical application provides advantage.To the eighties in last century, develop again and contain multielement or polyionic fabric, both the maskable electric field can be eliminated magnetic field again, can also intercept a spot of x ray, ultraviolet ray etc.
Be to improve capability of electromagnetic shielding, electric conductivity and the anticorrosive wear-resistant of Electromagnetically shielding fabrics and wipe performance, Chinese patent CN1587494 " a kind of electromagnetic screen textile and preparation method thereof " discloses and has a kind ofly covered metal conducting layer by the fiber surface at the non-metallic fibers textiles and make textiles produce electromagnetic screen textile of shield effectiveness and preparation method thereof.This method is metal-coated copper, a nickel on the substrate fiber surface, forms copper, nickel composite metal conducting film.Promptly adopt electroless copper earlier on the substrate fiber surface, electronickelling then forms copper nickel composite metal conducting film at substrate surface, prepares electromagnetic screen textile.Though, can reduce the fabric face resistance value by steps such as electroless copper electronickellings, improve the electromagnet shield effect of fabric, still there is shortcoming in this method:
1, behind the enterprising electroplating nickel of the fabric behind the electroless copper, fabric face is silvery white in color, and is easily dirty, ornamental relatively poor, particularly at some special occasions, and as than in the ornamental black electrical equipment, in the darker environment, the heat radiation of electrical apparatus ventilating opening;
2, after the electronickelling, the fabric face color and luster is more shallow, and heat absorption, heat dispersion is relatively poor;
3, after the electronickelling, fabric face presents metallic luster, and is reflective strong, easily injures staff's eyesight;
4, after the electronickelling, it is barely satisfactory that the anticorrosive wear-resistant of fabric is wiped performance.
Along with development of science and technology,, now can't satisfy the requirement in market owing to common conductive fabric modification performance, photo absorption performance, wear-resisting wiping decay resistance are relatively poor.
Black film has elegance, simple and unsophisticated color and luster, has the attractive, decorative effect; Black film is even, fine and close, has good anti-corrosion performance; Black film has special extinction, eliminate optical property, in instrument and meter, military project industry special applications is arranged; Black film has good heat absorption, heat dispersion, and is extremely strong to sunshine or other heat radiation absorptivity, in solar energy development utilizes, good prospects for application arranged.Thereby metal surface black is handled and has been successfully applied in the industries such as light industry, machinery, haberdashery and hardware, handicraft, building decoration.In recent years, because specific (special) requirements such as solar energy utilization, optical instrument make the application of black film more extensive.
From the 1900's, since the Germany scientist invention thermokalite nitrate melanism oxidized metal, developed a century, blackening craft is comparatively ripe.
Electrochemistry melanism method is exactly to form the black coverlay with electric plating method on plating piece.It is compared with chemical melanism method, though operation is comparatively numerous and diverse, rete is thin, fine and close, high temperature resistant, the incomparable advantage of chemical melanism method such as conduct electricity very well yet its rete has.
Summary of the invention
The object of the present invention is to provide a kind of ferrous metal electromagnetic screen fabric and preparation method thereof, by to fiber textile as host material, through behind the metal lining, at the metal by electric plating method plating one deck black, the fabric that obtains has modifies performance, photo absorption performance, wear-resisting wiping decay resistance etc. preferably.
A kind of ferrous metal electromagnetic screen fabric of the present invention is to be undertaken making after the black nickel of electro-deposition is handled by the fabric behind the electroless copper, has to utilize and electroplates a kind of black treated side that covers among Ni-Zn-S, the Ni-Mo.
Described ferrous metal electromagnetic screen fabric, in visible-range, average light absorption is at least more than 70%, and cloth cover color depth K/S value is not less than 10, and the sheet resistance of fabric is not higher than 1 Ω/cm
2, its sheet resistance is not higher than 110m Ω/cm after 50g/LNaCl salt fog sedimentation 24hr corrodes fabric face
2, 10 pressure at right angles are 9N in 10s, reciprocating traverse 100mm is not higher than 90m Ω/cm to its sheet resistance of fabric face friction back
2
The preparation method of a kind of ferrous metal electromagnetic screen fabric of the present invention comprises the following steps:
(1) after the chromic acid solution of usefulness 3mol/L soaks the fiber textile of electroless copper, flushing with clean water;
(2) preparation black nickel plating solution is regulated pH2～6, adopts nickel anode, and under 10～50 ℃, the fiber textile of immersion plating electroless copper to displacement reaction is finished, plating has the conductive fiber textiles of ferrous metal nickel;
(3) washing of the fiber textile after the plating applies the protection resin, and oven dry gets final product.
Described black nickel plating solution comprises nickel salt solution, black agent, buffer, conducting salt and anode activator, and concentration is 5～40%;
Described nickel salt is a kind of in the sulfate of metallic nickel or the nickel chloride;
Described black agent is one or both in ammonium molybdate, ammonium thiocyanate, the zinc sulfate;
Described buffer is a boric acid;
Described conducting salt is sodium acetate or ammonium nickel sulfate;
Described anode activator is sodium chloride, nickel chloride;
Described plating is meant that cathode current is at 0.5～10A/dm
2, electroplating time is about 10min.
Beneficial effect of the present invention:
(1) the copper metal and the nickel metal that contain in the fabric have special shielding character;
(2) electromagnetic screen textile electric conductivity excellence; also have good abrasion resistance, decay resistance simultaneously; have performances such as decoration, protection, extinction, delustring, heat absorption, heat radiation; has higher wearability; and soft, good permeability, electricity conductive cloth tape be can be widely used in, woven cloth, aspects such as conduction nonwoven fabric, shielding gasket conducted electricity.
Description of drawings
Fig. 1 carries out flying-spot microscope photo behind the electro-deposition black Ni-Zn-S to the fabric behind the electroless copper;
Fig. 2 carries out stereoscan photograph behind the electro-deposition black Ni-Zn-S to the fabric behind the electroless copper;
Fig. 3 carries out flying-spot microscope photo behind the electro-deposition black Ni-Mo to the fabric behind the electroless copper;
Fig. 4 carries out stereoscan photograph behind the electro-deposition black Ni-Mo to the fabric behind the electroless copper;
The fabric of Fig. 5 after to electroless copper carries out the structural representation of fabric fibre behind the black nickel of electro-deposition;
Fig. 6 is the process flow diagram of the embodiment of the invention 1, embodiment 2, embodiment 3, embodiment 4.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
Copper facing woven dacron/230T that present embodiment adopts ternary electronics technology Co., Ltd to produce is a base material, and its step is as follows:
The first step, preliminary treatment.Adopt the chromic acid solution of 3moL/L to degrade with the oxide and the dirt on the fabric fibre surface behind the removal electroless copper;
Second step, washing.With residual acid solution on the clear water flush away fabric, and heavy metal ion;
In the 3rd step, electroplate.Adopt nickel anode, following formulated black nickel plating solution:
Adopt nickel anode
Nickelous sulfate NiSO
46H
2O 135g/L
Ammonium molybdate (NH
4)
6Mo
7O
244H
2O 25g/L
Boric acid H
3BO
325g/L
Sodium acetate CH
3COONa3H
2O 20g/L
pH 3
33 ℃ of temperature
Cathode current 1～2A/dm
2
Electroplating time 600s
Through above step, obtain the fine and close metallised textile product of black uniformly.
The 4th step, armor coated.Be used to protect fiber coating to avoid wearing and tearing and pollute,, apply the water-base resin of low concentration, promptly obtain electromagnetic screen textile of the present invention through heat setting machine as oven dry again electroplating the fiber textile that obtains for the second time after washing.
After tested, use the electromagnetic screen textile of the embodiment of the invention, owing to chosen copper metal and the nickel metal with special shielding character, soft, good permeability is widely used in aspects such as the woven cloth of conduction, conduction nonwoven fabric, conductive braided fabric cloth, shielding gasket.
The method of process embodiment 1 is behind the enterprising electroplating of fabric, and the copper facing fabric face is the metal level of plating last layer black (Fig. 1) significantly.Metal level on the plating is careful smooth, is enclosed in the surface of metallic copper equably, particle less (Fig. 2).
Embodiment 2
The copper facing nylon cloth that present embodiment adopts ternary electronics technology Co., Ltd to produce is a base material, and its step is as follows:
The first step, preliminary treatment.Adopt the chromic acid solution of 3moL/L to degrade with the oxide and the dirt on the fabric fibre surface behind the removal electroless copper;
Second step, washing.With residual acid solution on the clear water flush away fabric, and heavy metal ion;
In the 3rd step, electroplate.Adopt nickel anode, following formulated black nickel plating solution:
Adopt nickel anode
Nickelous sulfate NiSO
46H
2O 70g/L
Ammonium nickel sulfate NiSO
4(NH
4)
2SO
46H
2O 25g/L
Boric acid H
3BO
325g/L
Zinc sulfate ZnSO
420g/L
Ammonium thiocyanate NH
4CNS 20g/L
pH 4
35 ℃ of temperature
Cathode current 0.5～1A/dm
2
Electroplating time 600s
Through above step, obtain the fine and close metallised textile product of black uniformly.
The 4th step, armor coated.Be used to protect fiber coating to avoid wearing and tearing and pollute,, apply the water-base resin of low concentration, promptly obtain electromagnetic screen textile of the present invention through heat setting machine as oven dry again electroplating the fiber textile that obtains for the second time after washing.
After tested, use the electromagnetic screen textile of the embodiment of the invention, owing to chosen copper metal and the nickel metal with special shielding character, soft, good permeability is widely used in electricity conductive cloth tape, conducts electricity aspects such as woven cloth, conduction nonwoven fabric, shielding gasket.
After electroplating with the method for embodiment 2 on the fabric, the copper facing fabric face is the fine and close pitch-dark metal level (Fig. 3) of plating last layer significantly.Metal level on the plating can be enclosed in the surface of metallic copper preferably, particle less (Fig. 3).
Embodiment 3
The copper facing grid cloth MF36 that present embodiment adopts ternary electronics technology Co., Ltd to produce is a base material, and its step is as follows:
The first step, preliminary treatment.Adopt the chromic acid solution of 3moL/L to degrade with the oxide and the dirt on the fabric fibre surface behind the removal electroless copper;
Second step, washing.With residual acid solution on the clear water flush away fabric, and heavy metal ion;
In the 3rd step, electroplate.Adopt nickel anode, following formulated black nickel plating solution:
Adopt nickel anode
Nickelous sulfate NiSO
46H
2O 135g/L
Ammonium molybdate (NH
4)
6Mo
7O
244H
2O 25g/L
Boric acid H
3BO
325g/L
Sodium acetate CH
3COONa3H
2O 20g/L
pH 3
33 ℃ of temperature
Cathode current 1～2A/dm
2
Electroplating time 600s
Through above step, obtain the fine and close metallized grid cloth of black uniformly.
The 4th step, armor coated.Be used to protect fiber coating to avoid wearing and tearing and pollute,, apply the water-base resin of low concentration, promptly obtain electromagnetic screen textile of the present invention through heat setting machine as oven dry again electroplating the fiber textile that obtains for the second time after washing.
After tested, use the electromagnetic screen textile of the embodiment of the invention, owing to chosen copper metal and the nickel metal with special shielding character, soft, good permeability is widely used in aspects such as the woven cloth of conduction, conduction nonwoven fabric, conductive braided fabric cloth, shielding gasket.
Embodiment 4
The copper facing grid yarn Mesh that present embodiment adopts ternary electronics technology Co., Ltd to produce is a base material, and its step is as follows:
The first step, preliminary treatment.Adopt the chromic acid solution of 3moL/L to degrade with the oxide and the dirt on the fabric fibre surface behind the removal electroless copper;
Second step, washing.With residual acid solution on the clear water flush away fabric, and heavy metal ion;
In the 3rd step, electroplate.Adopt nickel anode, following formulated black nickel plating solution:
Adopt nickel anode
Nickelous sulfate NiSO
46H
2O 70g/L
Ammonium nickel sulfate NiSO
4(NH
4)
2SO
46H
2O 25g/L
Boric acid H
3BO
325g/L
Zinc sulfate ZnSO
420g/L
Ammonium thiocyanate NH
4CNS 20g/L
pH 4
35 ℃ of temperature
Cathode current 0.5～1A/dm
2
Electroplating time 600s
Through above step, obtain the fine and close metallization Mesh of black uniformly.
The 4th step, armor coated.Be used to protect fiber coating to avoid wearing and tearing and pollute,, apply the water-base resin of low concentration, promptly obtain electromagnetic screen textile of the present invention through heat setting machine as oven dry again electroplating the fiber textile that obtains for the second time after washing.
After tested, use the electromagnetic screen textile of the embodiment of the invention, owing to chosen copper metal and the nickel metal with special shielding character, soft, good permeability is widely used in aspects such as the woven cloth of conduction, conduction nonwoven fabric, conductive braided fabric cloth, shielding gasket.
Claims (10)
1. a ferrous metal electromagnetic screen fabric is characterized in that: be to be undertaken making after the black nickel of electro-deposition is handled by the fabric behind the electroless copper, have to utilize and electroplate a kind of black treated side that covers among Ni-Zn-S, the Ni-Mo.
2. a kind of ferrous metal electromagnetic screen fabric according to claim 1 is characterized in that: in visible-range, the average light absorption of fabric is at least more than 70%.
3. a kind of ferrous metal electromagnetic screen fabric according to claim 1 is characterized in that: cloth cover color depth K/S value is not less than 10.
4. a kind of ferrous metal electromagnetic screen fabric according to claim 1 is characterized in that: the sheet resistance of fabric is not higher than 1 Ω/cm
2
5. a kind of ferrous metal electromagnetic screen fabric according to claim 1 is characterized in that: its sheet resistance is not higher than 110m Ω/cm after 50g/LNaCl salt fog sedimentation 24hr corrodes fabric face
2
6. a kind of ferrous metal electromagnetic screen fabric according to claim 1 is characterized in that: 10 pressure at right angles are 9N in 10s, and reciprocating traverse 100mm is not higher than 90m Ω/cm to its sheet resistance of fabric face friction back
2
7. the preparation method of a ferrous metal electromagnetic screen fabric comprises the following steps:
(1) after the chromic acid solution of usefulness 3mol/L soaks the fiber textile of electroless copper, flushing with clean water;
(2) preparation black nickel plating solution is regulated pH2～6, adopts nickel anode, and under 10～50 ℃, the fiber textile of immersion plating electroless copper to displacement reaction is finished, plating has the conductive fiber textiles of ferrous metal nickel;
(3) washing of the fiber textile after the plating applies the protection resin, and oven dry gets final product.
8. the preparation method of a kind of ferrous metal electromagnetic screen fabric according to claim 7, it is characterized in that: described plating is meant that cathode current is at 0.5～10A/dm
2, electroplating time is 10min.
9. the preparation method of a kind of ferrous metal electromagnetic screen fabric according to claim 7, it is characterized in that: described black nickel plating solution comprises nickel salt solution, black agent, buffer, conducting salt and anode activator, concentration is 5～40%.
10. the preparation method of a kind of ferrous metal electromagnetic screen fabric according to claim 9 is characterized in that: described nickel salt is a kind of in the sulfate of metallic nickel or the nickel chloride; Black agent is one or both in ammonium molybdate, ammonium thiocyanate, the zinc sulfate; Buffer is a boric acid; Conducting salt is sodium acetate or ammonium nickel sulfate; The anode activator is sodium chloride, nickel chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100446510A CN101113568A (en) | 2007-08-07 | 2007-08-07 | Ferrous metal electromagnetic screen fabric and method for making same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100446510A CN101113568A (en) | 2007-08-07 | 2007-08-07 | Ferrous metal electromagnetic screen fabric and method for making same |
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| Publication Number | Publication Date |
|---|---|
| CN101113568A true CN101113568A (en) | 2008-01-30 |
Family
ID=39022086
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|---|---|---|---|
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268673A (en) * | 2011-06-07 | 2011-12-07 | 广东联塑科技实业有限公司 | Method for preparing selective absorption coating of plastic solar thermal collector |
| CN102737759A (en) * | 2011-04-14 | 2012-10-17 | 尼克桑斯公司 | Electrical cable |
| TWI403628B (en) * | 2009-03-06 | 2013-08-01 | Laird Technologies Inc | Fabrics suitable for electromagnetic interference shielding applications |
| CN104630853A (en) * | 2013-11-12 | 2015-05-20 | 北京中科三环高技术股份有限公司 | Method for electroplating black nickel on neodymium-iron-boron magnet |
| CN105603397A (en) * | 2016-03-22 | 2016-05-25 | 长沙理工大学 | Preparation method of magnetic metal long fiber pipe |
| CN105603473A (en) * | 2016-03-19 | 2016-05-25 | 浙江金泽金属表面处理有限公司 | Electroplating solution and preparation method thereof |
| CN105648438A (en) * | 2016-01-20 | 2016-06-08 | 梧州三和新材料科技有限公司 | Conductive treatment and oxide treatment method for continuous non-metal strip |
| CN105755820A (en) * | 2014-12-16 | 2016-07-13 | 浙江三元电子科技有限公司 | Black electromagnetic shielding fabric and preparation method thereof |
| CN106653156A (en) * | 2016-07-25 | 2017-05-10 | 北京纳米能源与系统研究所 | Conductive cloth manufacturing method, friction generator, capacitor and intelligent clothes |
| CN109487542A (en) * | 2018-11-19 | 2019-03-19 | 吉林省泰华电子股份有限公司 | A kind of electromagnetic shielding preparation process of copper facing nickel fibre |
| CN109825859A (en) * | 2019-03-26 | 2019-05-31 | 深圳大学 | Nigrescence electroplate liquid, metal surface plating blackening process method and metal component |
| CN111715722A (en) * | 2020-06-19 | 2020-09-29 | 西安菲尔特金属过滤材料股份有限公司 | Preparation method of multi-core-number blended metal fiber for X and gamma ray protection |
| CN115852709A (en) * | 2022-11-25 | 2023-03-28 | 电子科技大学长三角研究院(湖州) | Electromagnetic shielding fabric and preparation method thereof |
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2007
- 2007-08-07 CN CNA2007100446510A patent/CN101113568A/en active Pending
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|---|---|---|---|---|
| TWI403628B (en) * | 2009-03-06 | 2013-08-01 | Laird Technologies Inc | Fabrics suitable for electromagnetic interference shielding applications |
| CN102737759A (en) * | 2011-04-14 | 2012-10-17 | 尼克桑斯公司 | Electrical cable |
| CN102268673A (en) * | 2011-06-07 | 2011-12-07 | 广东联塑科技实业有限公司 | Method for preparing selective absorption coating of plastic solar thermal collector |
| CN104630853A (en) * | 2013-11-12 | 2015-05-20 | 北京中科三环高技术股份有限公司 | Method for electroplating black nickel on neodymium-iron-boron magnet |
| CN104630853B (en) * | 2013-11-12 | 2018-07-27 | 北京中科三环高技术股份有限公司 | A method of in neodymium iron boron magnetic body black nickel plating |
| CN105755820B (en) * | 2014-12-16 | 2018-07-17 | 浙江三元电子科技有限公司 | A kind of black Electromagnetically shielding fabrics and preparation method thereof |
| CN105755820A (en) * | 2014-12-16 | 2016-07-13 | 浙江三元电子科技有限公司 | Black electromagnetic shielding fabric and preparation method thereof |
| CN114574859A (en) * | 2016-01-20 | 2022-06-03 | 梧州三和新材料科技有限公司 | Method for conducting and blackening continuous non-metal strip |
| CN105648438A (en) * | 2016-01-20 | 2016-06-08 | 梧州三和新材料科技有限公司 | Conductive treatment and oxide treatment method for continuous non-metal strip |
| CN105603473A (en) * | 2016-03-19 | 2016-05-25 | 浙江金泽金属表面处理有限公司 | Electroplating solution and preparation method thereof |
| CN105603397B (en) * | 2016-03-22 | 2019-03-08 | 长沙理工大学 | Preparation method of magnetic metal long fiber pipe |
| CN105603397A (en) * | 2016-03-22 | 2016-05-25 | 长沙理工大学 | Preparation method of magnetic metal long fiber pipe |
| CN106653156A (en) * | 2016-07-25 | 2017-05-10 | 北京纳米能源与系统研究所 | Conductive cloth manufacturing method, friction generator, capacitor and intelligent clothes |
| CN106653156B (en) * | 2016-07-25 | 2018-11-09 | 北京纳米能源与系统研究所 | Preparation method, friction generator, capacitor and the intelligent clothing of conductive fabric |
| CN109487542A (en) * | 2018-11-19 | 2019-03-19 | 吉林省泰华电子股份有限公司 | A kind of electromagnetic shielding preparation process of copper facing nickel fibre |
| CN109487542B (en) * | 2018-11-19 | 2023-10-24 | 吉林省泰华电子股份有限公司 | Preparation process of copper-nickel plated fiber fabric for electromagnetic shielding |
| CN109825859A (en) * | 2019-03-26 | 2019-05-31 | 深圳大学 | Nigrescence electroplate liquid, metal surface plating blackening process method and metal component |
| CN111715722A (en) * | 2020-06-19 | 2020-09-29 | 西安菲尔特金属过滤材料股份有限公司 | Preparation method of multi-core-number blended metal fiber for X and gamma ray protection |
| CN111715722B (en) * | 2020-06-19 | 2022-05-27 | 西安菲尔特金属过滤材料股份有限公司 | Preparation method of multi-core-number blended metal fiber for X and gamma ray protection |
| CN115852709A (en) * | 2022-11-25 | 2023-03-28 | 电子科技大学长三角研究院(湖州) | Electromagnetic shielding fabric and preparation method thereof |
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