CN103871610A - Electromagnetic shielding material for micro coaxial cables and preparation method of electromagnetic shielding material - Google Patents
Electromagnetic shielding material for micro coaxial cables and preparation method of electromagnetic shielding material Download PDFInfo
- Publication number
- CN103871610A CN103871610A CN201410090984.7A CN201410090984A CN103871610A CN 103871610 A CN103871610 A CN 103871610A CN 201410090984 A CN201410090984 A CN 201410090984A CN 103871610 A CN103871610 A CN 103871610A
- Authority
- CN
- China
- Prior art keywords
- electromagnetic shielding
- shielding material
- preparation
- coaxial cable
- pet film
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 229920002799 BoPET Polymers 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 8
- 208000003351 Melanosis Diseases 0.000 claims description 7
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- JPJALAQPGMAKDF-UHFFFAOYSA-N selenium dioxide Chemical compound O=[Se]=O JPJALAQPGMAKDF-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 229960000583 acetic acid Drugs 0.000 claims description 4
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 4
- 239000012362 glacial acetic acid Substances 0.000 claims description 4
- 239000007800 oxidant agent Substances 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 3
- 238000005238 degreasing Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract description 8
- 230000003287 optical effect Effects 0.000 abstract description 5
- 229920006267 polyester film Polymers 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 229920000728 polyester Polymers 0.000 abstract 2
- 238000013329 compounding Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000005401 pressed glass Substances 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses an electromagnetic shielding material for micro coaxial cables and a preparation method of the electromagnetic shielding material. The electromagnetic shielding material is formed by compounding a wire mesh and a PET (polyester) film. The preparation method of the electromagnetic shielding material comprises the following steps of (a) pretreating the PET (polyester) film; (b) pretreating a metal screen; (c) blackening the metal screen; (d) applying glue and curing. The electromagnetic shielding material for the micro coaxial cables and the preparation method of the electromagnetic shielding material have the advantages that the preparation method is novel, the implementation is easy, the prepared electromagnetic shielding material has optical transparent performance, and the good electromagnetic shielding effect can be realized by a particular composite structure.
Description
Technical field
The present invention relates to a kind of cable shield material, relate in particular to a kind of electromagnetic shielding material for Ultrathin coaxial cable and preparation method thereof, belong to technical field of electric wires and cables.
Background technology
Ultrathin coaxial cable generally refers to the external diameter of cable is controlled to Min., the coaxial cable that flexibility, bending characteristic are also improved simultaneously.Along with miniaturization, the slimming of notebook computer, the high-definition of liquid crystal display and the high performance of mobile phone, day by day need the wiring of connecting fluid crystal display must save space, improve the characteristics such as bending reliability, anti-interference, wideband transmission, reduce costs in addition, this had not only saved space, transmission reliability but also high Ultrathin coaxial cable the wide market space was provided with regard to giving.
As the important component part of Ultrathin coaxial cable, the performance of electromagnetic shielding material is directly connected to the serviceability of Ultrathin coaxial cable.At present, apply more electromagnetic shielding material and mainly comprise two large classes: surface conductance material and conducing composite material.The former makes metallization of plastic surface carry out reflection electromagnetic wave; Latter, by filled conductive material in plastics, forms conductive network, reaches shield effectiveness.Conducing composite material is the Combined Electromagnetic Shielding Materials growing up after surface conductance material, mainly utilize wire netting to carry out electromagnetic shielding to electronic system, prevent phase mutual interference between electronic system, but a lot of conducing composite material complicated process of preparation, production cost is high, is difficult to apply on a large scale.
Summary of the invention
For the demand, the invention provides a kind of electromagnetic shielding material for Ultrathin coaxial cable and preparation method thereof, preparation method's novelty of this electromagnetic shielding material, easy to implement, the electromagnetic shielding material making possesses optical clear performance, and its unique composite construction can be realized good effectiveness.
The present invention is a kind of electromagnetic shielding material for Ultrathin coaxial cable and preparation method thereof, described electromagnetic shielding material is composited by woven wire and PET film, described preparation method comprises the steps: a) preliminary treatment PET film, b) metal pretreated net, c) melanism wire netting, d) gluing is with curing.
In a preferred embodiment of the present invention, described woven wire is longitude and latitude plain weave metal fine copper net, and its wire diameter is 35um, and spacing is 300um.
In a preferred embodiment of the present invention, in described step a), preliminary treatment PET film is that baking temperature is 80～100 ℃ by the dry absorption moisture of removing PET film of processing, and be 2h drying time.
In a preferred embodiment of the present invention, in described step b), the operation that metal pretreated net comprises is: the net that stretches tight, degreasing and rust removal processing, cleaning and dry.
In a preferred embodiment of the present invention, in described step c), melanism wire netting comprises the steps: 1) pretreated wire netting is put into corrosive liquid carry out Darkening process; 2) wire netting of Darkening process is placed in drying box dry by cleaning solution clean.
In a preferred embodiment of the present invention, described corrosive liquid comprises the hair blackening liquid, secondary film formers sulfuric acid, glacial acetic acid, lauryl sodium sulfate, oxidant ammonium persulfate and the blackness conditioning agent Sodium Polyacrylate that are made up of selenium dioxide and copper sulphate.
In a preferred embodiment of the present invention, in described step d), gluing comprises the steps: 1 with curing) wire netting of Darkening process is placed on the PET film that was coated with pressure sensitive adhesive, and coat pressure sensitive adhesive; 2) onesize PET film is adhered to above wire netting, and press glass plate; 3) place curing 5～6h in drying box.
The present invention has disclosed a kind of electromagnetic shielding material for Ultrathin coaxial cable and preparation method thereof, preparation method's novelty of this electromagnetic shielding material, easy to implement, the electromagnetic shielding material making possesses optical clear performance, and its unique composite construction can be realized good effectiveness.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the process figure of the embodiment of the present invention for the electromagnetic shielding material preparation method of Ultrathin coaxial cable.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Fig. 1 is the process figure of the embodiment of the present invention for the electromagnetic shielding material preparation method of Ultrathin coaxial cable; This electromagnetic shielding material is composited by woven wire and PET film, described woven wire is longitude and latitude plain weave metal fine copper net, its wire diameter is 35um, spacing is 300um, described preparation method comprises the steps: a) preliminary treatment PET film, b) metal pretreated net, c) melanism wire netting, d) gluing is with curing.
Embodiment
Concrete preparation method is as follows:
A) preliminary treatment PET film, the preliminary treatment of PET film is mainly the absorption moisture of removing PET film, contain the strong polar groups such as cyano group due to PET film, water absorption is larger, therefore by utilizing baking oven to be dried processing to PET film, its water content is controlled at below 0.1%, and baking temperature is 80～100 ℃, and be 2h drying time.
B) metal pretreated net, concrete preparation process is: first the metallic copper silk screen of choosing is tightened under tension force, while stretching tight net, silk screen is evened up equably, and the tension force of net progressively increases; Then the wire netting stretching tight is carried out to degreasing and rust removal processing with the cleaning solution preparing; Rinse well with clear water again; Finally washed woven wire being placed in ventilates dries or is placed in baking oven without dust place and dry, for subsequent use after dry.
C) melanism wire netting, concrete preparation process is: first prepare corrosive liquid, the corrosive liquid of preparation comprises the hair blackening liquid, secondary film formers sulfuric acid, glacial acetic acid, lauryl sodium sulfate, oxidant ammonium persulfate and the blackness conditioning agent Sodium Polyacrylate that are made up of selenium dioxide and copper sulphate; Wherein, secondary film formers sulfuric acid can make pH value of solution value stabilization below 2; Glacial acetic acid can make the compactness of film strengthen, and can increase bright property; Lauryl sodium sulfate can make solution be more prone to wetting in metal surface, the skin covering of the surface uniformity generating; Oxidant ammonium persulfate can make the activity of metal surface increase, and the film of generation is firm wear-resisting.Then pretreated wire netting is put into corrosive liquid and carry out Darkening process, observe wire netting surface color and change; After wire netting melanism, use cleaning solution processing; Finally the wire netting after clean is placed on and ventilates natural drying without dust place or to be placed in drying box dry, for subsequent use after dry.
D) gluing is with curing, and concrete preparation process is: first pretreated PET film is lain on glass plate, coat equably Minnesota Mining and Manufacturing Company's 4693 pressure sensitive adhesives on PET film; Again the wire netting of Darkening process is placed on the PET film that was coated with pressure sensitive adhesive, and on wire netting, coats equably pressure sensitive adhesive; Then another onesize PET film is adhered to above wire netting, bubble is removed, then pressed glass plate in the above; Finally place in drying box and solidify 5～6h, make metal copper mesh polyester film shielding material.
The electromagnetic shielding material for Ultrathin coaxial cable that the present invention mentions is through performance test, and it exceedes 50% to visible light wave range and near infrared band transmitance, can think optical clear; Its unique composite construction has shown good shield effectiveness, at 1000～5000 MHz, more than microwave attenuation can reach 45dB.
The present invention has disclosed a kind of electromagnetic shielding material for Ultrathin coaxial cable and preparation method thereof, preparation method's novelty of this electromagnetic shielding material, easy to implement, the electromagnetic shielding material making possesses optical clear performance, and its unique composite construction can be realized good effectiveness.
The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range that claims were limited.
Claims (7)
1. electromagnetic shielding material for Ultrathin coaxial cable and preparation method thereof, it is characterized in that, described electromagnetic shielding material is composited by woven wire and PET film, described preparation method comprises the steps: a) preliminary treatment PET film, b) metal pretreated net, c) melanism wire netting, d) gluing is with curing.
2. electromagnetic shielding material for Ultrathin coaxial cable according to claim 1 and preparation method thereof, is characterized in that, described woven wire is longitude and latitude plain weave metal fine copper net, and its wire diameter is 35um, and spacing is 300um.
3. electromagnetic shielding material for Ultrathin coaxial cable according to claim 1 and preparation method thereof, it is characterized in that, in described step a), preliminary treatment PET film is by the dry absorption moisture of removing PET film of processing, baking temperature is 80～100 ℃, and be 2h drying time.
4. electromagnetic shielding material for Ultrathin coaxial cable according to claim 1 and preparation method thereof, is characterized in that, in described step b), the operation that metal pretreated net comprises is: the net that stretches tight, degreasing and rust removal processing, cleaning and dry.
5. electromagnetic shielding material for Ultrathin coaxial cable according to claim 1 and preparation method thereof, it is characterized in that, in described step c), melanism wire netting comprises the steps: 1) pretreated wire netting is put into corrosive liquid carry out Darkening process; 2) wire netting of Darkening process is placed in drying box dry by cleaning solution clean.
6. electromagnetic shielding material for Ultrathin coaxial cable according to claim 5 and preparation method thereof, it is characterized in that, described corrosive liquid comprises the hair blackening liquid, secondary film formers sulfuric acid, glacial acetic acid, lauryl sodium sulfate, oxidant ammonium persulfate and the blackness conditioning agent Sodium Polyacrylate that are made up of selenium dioxide and copper sulphate.
7. electromagnetic shielding material for Ultrathin coaxial cable according to claim 1 and preparation method thereof, it is characterized in that, in described step d), gluing comprises the steps: 1 with curing) wire netting of Darkening process is placed on the PET film that was coated with pressure sensitive adhesive, and coat pressure sensitive adhesive; 2) onesize PET film is adhered to above wire netting, and press glass plate; 3) place curing 5～6h in drying box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090984.7A CN103871610A (en) | 2014-03-13 | 2014-03-13 | Electromagnetic shielding material for micro coaxial cables and preparation method of electromagnetic shielding material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090984.7A CN103871610A (en) | 2014-03-13 | 2014-03-13 | Electromagnetic shielding material for micro coaxial cables and preparation method of electromagnetic shielding material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103871610A true CN103871610A (en) | 2014-06-18 |
Family
ID=50910048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410090984.7A Pending CN103871610A (en) | 2014-03-13 | 2014-03-13 | Electromagnetic shielding material for micro coaxial cables and preparation method of electromagnetic shielding material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103871610A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506687A (en) * | 2016-02-19 | 2016-04-20 | 苏州市华婷特种电镀有限公司 | Electroplating solution for obtaining coating of black nickel |
| CN109576696A (en) * | 2017-09-29 | 2019-04-05 | 蓝思科技（长沙）有限公司 | For the melanism medical fluid of metal grill, its melanism method and metal grill and touch screen |
| CN112111734A (en) * | 2020-06-28 | 2020-12-22 | 宁波博曼特工业有限公司 | Copper product blackening process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060008597A1 (en) * | 2002-08-05 | 2006-01-12 | Saint-Gobain Glass France | Optical filtering and electromagnetic armouring structure |
| CN101316500A (en) * | 2007-06-01 | 2008-12-03 | 哈尔滨工业大学 | Preparation method of wire mesh transparent electromagnetic shielding layer material |
-
2014
- 2014-03-13 CN CN201410090984.7A patent/CN103871610A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060008597A1 (en) * | 2002-08-05 | 2006-01-12 | Saint-Gobain Glass France | Optical filtering and electromagnetic armouring structure |
| CN101316500A (en) * | 2007-06-01 | 2008-12-03 | 哈尔滨工业大学 | Preparation method of wire mesh transparent electromagnetic shielding layer material |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506687A (en) * | 2016-02-19 | 2016-04-20 | 苏州市华婷特种电镀有限公司 | Electroplating solution for obtaining coating of black nickel |
| CN109576696A (en) * | 2017-09-29 | 2019-04-05 | 蓝思科技（长沙）有限公司 | For the melanism medical fluid of metal grill, its melanism method and metal grill and touch screen |
| CN109576696B (en) * | 2017-09-29 | 2021-02-26 | 蓝思科技（长沙）有限公司 | Blackening liquid medicine for metal grid, blackening method of blackening liquid medicine, metal grid and touch screen |
| CN112111734A (en) * | 2020-06-28 | 2020-12-22 | 宁波博曼特工业有限公司 | Copper product blackening process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104039121B (en) | One kind inhales waveguide magnetic shield film and preparation method thereof | |
| CN203233642U (en) | Wave-absorbing magnetic-conductive shielding film with laminated structure | |
| CN101316500A (en) | Preparation method of wire mesh transparent electromagnetic shielding layer material | |
| CN103871610A (en) | Electromagnetic shielding material for micro coaxial cables and preparation method of electromagnetic shielding material | |
| CN103319999A (en) | Preparation method of novel anti-electromagnetic radiation protective film based on graphene | |
| CN110103523A (en) | Graphene substrate semi-conductive buffer water-blocking band and preparation method thereof | |
| CN207586587U (en) | A kind of In-cell liquid crystal display panels | |
| CN207976669U (en) | A kind of display screen | |
| CN107785098A (en) | A kind of wire with fixed structure | |
| CN105754512A (en) | Non-bright, anti-fingerprint and scraping-resistant single-side adhesive tape for conductive fabric and preparation method | |
| CN205958820U (en) | Polycarbonate electromagnetic shield window | |
| CN203085097U (en) | Liquid crystal display | |
| CN103205790A (en) | Black coloring process of stainless steel precision screen mesh | |
| CN102653659B (en) | Conductive coating material based on polyurethane dispersion body | |
| CN209641385U (en) | A kind of flexible flat cable for improveing earthing type | |
| CN110564320A (en) | High-flexibility ultrathin electromagnetic shielding adhesive tape and preparation process thereof | |
| CN103881507A (en) | Preparation method of conductive coating layer for super-thin coaxial cable | |
| CN104363744A (en) | Shell for wireless electric device | |
| CN201556450U (en) | Flexible flat cable | |
| CN115489177A (en) | A kind of colored carbon-based electrovariable infrared emissivity thin film and preparation method thereof | |
| CN209897545U (en) | Electromagnetic shielding structure for flexible folding equipment | |
| CN113674910A (en) | Copper wire seam edge type semi-conductive buffering water-blocking tape for ultrahigh-voltage cable | |
| CN208672978U (en) | A kind of antistatic backlight and display module | |
| CN207186146U (en) | Waterproof zipper structure | |
| CN105714553A (en) | Preparation method of wave-absorbing non-woven fabrics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140618 |