CN109267347A - A kind of preparation method of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material - Google Patents
A kind of preparation method of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material Download PDFInfo
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- CN109267347A CN109267347A CN201811129029.4A CN201811129029A CN109267347A CN 109267347 A CN109267347 A CN 109267347A CN 201811129029 A CN201811129029 A CN 201811129029A CN 109267347 A CN109267347 A CN 109267347A
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- polypyrrole
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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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- 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
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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
- D06M2101/40—Fibres of carbon
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a kind of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material preparation methods.Oxidization fiber felt fabric is chosen as base fabric, using situ aggregation method, in its surface dressing electric polypyrrole.Preparation step are as follows: 1) prepare solution: a, successively taking pyrrole monomer, oxidant and dopant, add distilled water, stirring dissolves it sufficiently, is configured to certain density solution；2) adsorption reaction: the base fabric of wetting being placed in the pyrrole monomer solution that step 1) is matched, and overturning base fabric 20min is stirred continuously, so that fabric surface sufficiently adsorbs pyrrole monomer；3) polymerization reaction: the matched oxidant of step 1) and dopant solution are added in adsorption liquid by several times, are stirred continuously overturning base fabric 30min~150min, generate polypyrrole so that fabric surface sufficiently reacts；4) it washing and sunning: after fabric is sufficiently washed with distilled water, is placed in and dries at room temperature for 24 hours to get polypyrrole/oxidization fiber felt flexible electromagnetic shielding material.After tested, also there is excellent mechanical property and electric conductivity while which has good electromagnetic shielding performance, comprehensive performance is superior.
Description
Technical field
The invention belongs to Electromagnetically shielding fabrics technical fields, and in particular to polypyrrole/oxidization fiber felt flexible electromagnetic shielding material
The preparation method of material.
Background technique
While modern science and technology rapid development, the electromagnetic radiation of ours at one's side is also more and more.In daily life
Electromagnetic wave is even more ubiquitous: these household electrical appliance of computer, micro-wave oven, mobile phone, air-conditioning, refrigerator are all common radiation sources.Though
The appearance of right electromagnetic wave greatly facilitates our life, but the adverse effect that it is generated is equally very important.Study table
Bright: if lived under the extra high environment of electromagnetic radiation intensity for a long time, electromagnetic wave can be acted on fuel factor and non-thermal effect
In human body, the functional disorder of the various organs of body is caused.It, can be even when power is the microwave direct irradiation people of 1000W
Causing death in several seconds.In addition to this, electromagnetic wave can also generate interference to the signal in equipment, influence medical treatment and electronic engineering
The operation of middle precision instrument, not only be easy to cause huge economic losses, serious or even threaten to personal safety.Thus may be used
See, studies a kind of importance of material with good effectiveness.
Conductive polymeric radar absorbing material is usually to pass through certain work by high-molecular organic material and conductive materials or dopant
Skill is combined.Compared with other electromagnetic shielding materials, conductive polymer material light weight and density is small has good processing
Film forming fibre forming property, various structures, thermal stability are good.Polypyrrole is typical conducting polymer, synthesis is easy, conductivity is high,
Pattern multiplicity, environmental stability are good, very wide in electromagnetic shielding field application.
Oxidization fiber felt is fiber obtained from being handled as raw material through high-temperature thermal stabilityization using polyacrylonitrile fibre, is pierced by needle
Or other techniques and manufactured felt.It there is fire resisting not burn, is acidproof, is alkaline-resisting, the characteristics such as wash resistant.About by polypyrrole
The research arranged on common cellulose base fiber fabric (such as cotton fabric) or synthetic fabrics (such as dacron) is more, will
Polypyrrole arranges less to prepare the research of electromagnetic shielding material to non-woven fabrics oxidization fiber felt.
Summary of the invention
The present invention is in order to solve the above technical problems, provide a kind of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material
Preparation method.
To achieve the above object, the invention adopts the following technical scheme:
A kind of preparation method of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material, comprising the following steps:
(1) it prepares solution: a, taking pyrrole monomer, add distilled water, stirring dissolves it sufficiently, and being configured to concentration is
The pyrrole monomer solution of 0.1mol/L~0.7mol/L.B, dopant is taken, distilled water is added, stirring makes it completely dissolved, and is configured to
Concentration is the dopant solution of 0.2mol/L~1mol/L；Oxidant is taken, distilled water is added, stirring makes it completely dissolved, and must aoxidize
Agent solution, and the ratio between the concentration of the solution and chromium solution concentration are 1/3~3；
(2) adsorption reaction: the base fabric of wetting is placed in pyrrole monomer solution, is stirred continuously overturning base fabric 20min, so as to
Fabric surface sufficiently adsorbs pyrrole monomer；
(3) polymerization reaction: oxidant and dopant solution are added in adsorption liquid by several times, are during which stirred continuously overturning base fabric
30min~150min generates polypyrrole so that fabric surface sufficiently reacts；
(4) washing and sunning: after fabric sufficiently wash with distilled water, be placed in and dry at room temperature for 24 hours, obtain polypyrrole/in advance
Oxygen silk felt flexible electromagnetic shielding material.
The base fabric is oxidization fiber felt fabric.
The oxidant is one of ferric trichloride, ammonium persulfate, copper chloride, hydrogen peroxide.
The dopant is one of p-methyl benzenesulfonic acid, hydrochloric acid, sulfuric acid, nitric acid, glacial acetic acid.
Advantages of the present invention:
Traditional metal material is not only thick and heavy, and binding force is poor between fabric, is easy to fall off.The present invention utilizes original position
Polypyrrole is arranged to oxidization fiber felt fabric surface, the frivolous softness of resulting materials, and tied between polypyrrole and fabric by polymerization
Resultant force is stronger, and which greatly enhances the durabilities of the shielding material, while the material is also equipped with good electric conductivity and mechanics
Performance, comprehensive performance is superior, and the exploitation for taking fabric for electromagnetic protection provides reference.
Detailed description of the invention
Fig. 1 is the detection of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material electromagnetic shielding performance obtained by embodiment
Figure.
Fig. 2 is polypyrrole/oxidization fiber felt flexible electromagnetic shielding material mechanical property and electric conductivity obtained by embodiment
It can detection data figure.
Specific embodiment
The present invention provides a kind of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material preparation methods, below with reference to tool
The present invention will be further described for body embodiment.
Embodiment 1
A kind of preparation method of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material, comprising the following steps:
(1) it prepares solution: a, taking pyrrole monomer, add distilled water, stirring dissolves it sufficiently, and being configured to concentration is
The pyrrole monomer solution of 0.1mol/L.B, dopant is taken, distilled water is added, stirring makes it completely dissolved, and is configured to concentration and is
The dopant solution of 0.5mol/L；Oxidant is taken, distilled water is added, stirring makes it completely dissolved, and obtains oxidizing agent solution, and the solution
Concentration and the ratio between chromium solution concentration be 3/2；
(2) adsorption reaction: the base fabric of wetting is placed in pyrrole monomer solution, is stirred continuously overturning base fabric 20min, so as to
Fabric surface sufficiently adsorbs pyrrole monomer；
(3) polymerization reaction: oxidant and dopant solution are added in adsorption liquid by several times, are during which stirred continuously overturning base fabric
60min generates polypyrrole so that fabric surface sufficiently reacts；
(4) washing and sunning: after fabric sufficiently wash with distilled water, be placed in and dry at room temperature for 24 hours, obtain polypyrrole/in advance
Oxygen silk felt flexible electromagnetic shielding material.
The base fabric is oxidization fiber felt fabric.
The oxidant is ferric trichloride.
The dopant is p-methyl benzenesulfonic acid.
Embodiment 2
A kind of preparation method of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material, comprising the following steps:
(1) it prepares solution: a, taking pyrrole monomer, add distilled water, stirring dissolves it sufficiently, and being configured to concentration is
The pyrrole monomer solution of 0.3mol/L.B, dopant is taken, distilled water is added, stirring makes it completely dissolved, and is configured to concentration and is
The dopant solution of 0.5mol/L；Oxidant is taken, distilled water is added, stirring makes it completely dissolved, and obtains oxidizing agent solution, and the solution
Concentration and the ratio between chromium solution concentration be 3/2；
(2) adsorption reaction: the base fabric of wetting is placed in pyrrole monomer solution, is stirred continuously overturning base fabric 20min, so as to
Fabric surface sufficiently adsorbs pyrrole monomer；
(3) polymerization reaction: oxidant and dopant solution are added in adsorption liquid by several times, are during which stirred continuously overturning base fabric
60min generates polypyrrole so that fabric surface sufficiently reacts；
(4) washing and sunning: after fabric sufficiently wash with distilled water, be placed in and dry at room temperature for 24 hours, obtain polypyrrole/in advance
Oxygen silk felt flexible electromagnetic shielding material.
The base fabric is oxidization fiber felt fabric.
The oxidant is ferric trichloride.
The dopant is p-methyl benzenesulfonic acid.
Embodiment 3
A kind of preparation method of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material, comprising the following steps:
(1) it prepares solution: a, taking pyrrole monomer, add distilled water, stirring dissolves it sufficiently, and being configured to concentration is
The pyrrole monomer solution of 0.5mol/L.B, dopant is taken, distilled water is added, stirring makes it completely dissolved, and is configured to concentration and is
The dopant solution of 0.5mol/L；Oxidant is taken, distilled water is added, stirring makes it completely dissolved, and obtains oxidizing agent solution, and the solution
Concentration and the ratio between chromium solution concentration be 3/2；
(2) adsorption reaction: the base fabric of wetting is placed in pyrrole monomer solution, is stirred continuously overturning base fabric 20min, so as to
Fabric surface sufficiently adsorbs pyrrole monomer；
(3) polymerization reaction: oxidant and dopant solution are added in adsorption liquid by several times, are during which stirred continuously overturning base fabric
60min generates polypyrrole so that fabric surface sufficiently reacts；
(4) washing and sunning: after fabric sufficiently wash with distilled water, be placed in and dry at room temperature for 24 hours, obtain polypyrrole/in advance
Oxygen silk felt flexible electromagnetic shielding material.
The base fabric is oxidization fiber felt fabric.
The oxidant is ferric trichloride.
The dopant is p-methyl benzenesulfonic acid.
Embodiment 4
A kind of preparation method of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material, comprising the following steps:
(1) it prepares solution: a, taking pyrrole monomer, add distilled water, stirring dissolves it sufficiently, and being configured to concentration is
The pyrrole monomer solution of 0.7mol/L.B, dopant is taken, distilled water is added, stirring makes it completely dissolved, and is configured to concentration and is
The dopant solution of 0.5mol/L；Oxidant is taken, distilled water is added, stirring makes it completely dissolved, and obtains oxidizing agent solution, and the solution
Concentration and the ratio between chromium solution concentration be 3/2；
(2) adsorption reaction: the base fabric of wetting is placed in pyrrole monomer solution, is stirred continuously overturning base fabric 20min, so as to
Fabric surface sufficiently adsorbs pyrrole monomer；
(3) polymerization reaction: oxidant and dopant solution are added in adsorption liquid by several times, are during which stirred continuously overturning base fabric
60min generates polypyrrole so that fabric surface sufficiently reacts；
(4) washing and sunning: after fabric sufficiently wash with distilled water, be placed in and dry at room temperature for 24 hours, obtain polypyrrole/in advance
Oxygen silk felt flexible electromagnetic shielding material.
The base fabric is oxidization fiber felt fabric.
The oxidant is ferric trichloride.
The dopant is p-methyl benzenesulfonic acid.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (5)
1. a kind of polypyrrole/oxidization fiber felt flexible electromagnetic shielding material preparation method, which comprises the following steps:
(1) prepare solution: a, taking pyrrole monomer, add distilled water, stirring dissolves it sufficiently, be configured to concentration be 0.1mol/L~
The pyrrole monomer solution of 0.7mol/L.B, dopant is taken, distilled water is added, stirring makes it completely dissolved, and is configured to concentration and is
The dopant solution of 0.2mol/L~1mol/L；Oxidant is taken, distilled water is added, stirring makes it completely dissolved, oxidizing agent solution is obtained,
And the ratio between the concentration of the solution and chromium solution concentration are 1/3~3；
(2) adsorption reaction: the base fabric of wetting is placed in pyrrole monomer solution, overturning base fabric 20min is stirred continuously, so as to fabric
Sufficiently adsorb pyrrole monomer in surface；
(3) polymerization reaction: oxidant and dopant solution are added in adsorption liquid by several times, are during which stirred continuously overturning base fabric
30min~150min generates polypyrrole so that fabric surface sufficiently reacts；
(4) it washing and sunning: after fabric is sufficiently washed with distilled water, is placed in and dries at room temperature for 24 hours, obtain polypyrrole/oxidization fiber
Felt flexible electromagnetic shielding material.
2. polypyrrole according to claim 1/oxidization fiber felt flexible electromagnetic shielding material, which is characterized in that the base fabric
For oxidization fiber felt fabric.
3. polypyrrole according to claim 1/oxidization fiber felt flexible electromagnetic shielding material, which is characterized in that the oxidation
Agent is one of ferric trichloride, ammonium persulfate, copper chloride, hydrogen peroxide.
4. polypyrrole according to claim 1/oxidization fiber felt flexible electromagnetic shielding material, which is characterized in that the doping
Agent is one of p-methyl benzenesulfonic acid, hydrochloric acid, sulfuric acid, nitric acid, glacial acetic acid.
5. made from the described in any item polypyrroles of claim 1-4/oxidization fiber felt flexible electromagnetic shielding material preparation method
Polypyrrole/oxidization fiber felt flexible electromagnetic shielding material.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072761A (en) * | 2014-04-03 | 2014-10-01 | 桐乡大和纺织服饰有限公司 | Preparation method of polyacrylonitrile-polyaniline composite antistatic heat conducting fibers |
| CN104072767A (en) * | 2014-06-20 | 2014-10-01 | 贵州中航聚电科技有限公司 | Method for preparing high specific capacity and low leakage current carbon nanofiber nitrided conductive macromolecule composite material |
| CN105839228A (en) * | 2016-05-30 | 2016-08-10 | 天津工业大学 | Method for preparing polyacrylonitrile-based conductive fiber material |
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2018
- 2018-09-27 CN CN201811129029.4A patent/CN109267347A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072761A (en) * | 2014-04-03 | 2014-10-01 | 桐乡大和纺织服饰有限公司 | Preparation method of polyacrylonitrile-polyaniline composite antistatic heat conducting fibers |
| CN104072767A (en) * | 2014-06-20 | 2014-10-01 | 贵州中航聚电科技有限公司 | Method for preparing high specific capacity and low leakage current carbon nanofiber nitrided conductive macromolecule composite material |
| CN105839228A (en) * | 2016-05-30 | 2016-08-10 | 天津工业大学 | Method for preparing polyacrylonitrile-based conductive fiber material |
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Application publication date: 20190125 |