CN108546340A - A kind of conducting polymer inhales wave sponge and preparation method thereof - Google Patents
A kind of conducting polymer inhales wave sponge and preparation method thereof Download PDFInfo
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- CN108546340A CN108546340A CN201810421664.3A CN201810421664A CN108546340A CN 108546340 A CN108546340 A CN 108546340A CN 201810421664 A CN201810421664 A CN 201810421664A CN 108546340 A CN108546340 A CN 108546340A
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- sponge
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
- C08J9/405—Impregnation with polymerisable compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
- C08J2479/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
Abstract
The invention discloses a kind of conducting polymers to inhale wave sponge and preparation method thereof, conducting polymer is inhaled wave sponge and is made of conducting polymer and polyurethane foam sponge, conducting polymer is coated on the network skeleton surface of polyurethane foam sponge, the present invention is using polyurethane foam sponge as skeleton, conducting polymer, which is prepared, by gaseous monomer oxidation polymerization deposition method inhales wave sponge, both flexible, the porous and lightweight nature of polyurethane sponge had been maintained, the electromagnetic property of conducting polymer has been played again, and then presents excellent broadband absorbing performance.Preparation method simple process and low cost of the present invention is suitable for industrialized production.
Description
Technical field
The present invention relates to conducting polymers to inhale wave sponge field, more particularly, to a kind of conducting polymer inhale wave sponge and its
Preparation method.
Background technology
With the rapid development of electronic information technology, the electronic product used in people's production and life is more and more, such as
The emitters such as dielectric heating oven, microwave generator, computer and radio, radar.The use of these electronic equipments all can
Electromagnetic radiation is generated to some extent, it can not only interfere the normal operation of electrical equipment, can also be brought to health seriously
Threat be acknowledged as the fourth-largest public hazards after atmosphere pollution, water pollution, noise pollution.Further, since electromagnetic wave is let out
Information security issue caused by leakage can also directly threaten the politics, economy, the safety of military affairs of country.Therefore, electromagnetic interference is asked
Topic has become the Tough questions that current defence engineering and Environmental security are faced.Electromagnetic shielding and absorption process are protection electromagnetism spokes
The main method penetrated, wherein screen method are only that reflection of electromagnetic wave is gone back, and there is no eradicate electromagnetic wave.And use absorbing material
Electromagnetic radiation can be transformed into it is other it is non-radiative can dissipate, and secondary pollution can be prevented, be preferably to select.Therefore, it inhales
Wave material all has considerable application prospect in military field and civil field.In recent years, absorbing material is gradually to lightweight, soft
Property, broadband, the strong direction that absorbs develop.
Conducting polymer has many advantages, such as that proportion is small, structure designability is strong, electromagnetic parameter is adjustable, easy processing molding,
As one of the research hotspot in absorbing material field instantly.For example, the electric polypyrrole lightweight gas prepared using solvent port-creating method
Gel has excellent absorbing property, and in 2.5mm, the absorption band width less than -10dB (electromagnetic wave for absorbing 90%) can
Up to 6.2GHz.Poly- 3,4- ethene dioxythiophenes (PEDOT) prepared by solid state polymerization process are inhaled under 2mm thickness at 11.2GHz frequencies
Receive the reachable -50dB of intensity.Therefore, conducting polymer has the potentiality as efficient absorbing material.Polymeric sponge has both lightweight
It is expected to design the efficient suction wave material of high suppleness, lightweight if by itself and conducting polymer reasonable combination with flexible feature
Material.
Invention content
The present invention is to overcome the above situation insufficient, it is desirable to provide a kind of technical solution that can be solved the above problems.
A kind of conducting polymer suction wave sponge, is mainly made of conducting polymer and polyurethane foam sponge, conduction is poly-
Close the network skeleton surface that object is coated on polyurethane foam sponge.Conducting polymer species include polypyrrole (PPy), poly- 3,4- second
Alkene dioxy thiophene (PEDOT) or their mixtures.The thickness of polyurethane foam sponge is 0.5~10cm, and density is less than 24kg/
m3。
As a further solution of the present invention：A kind of conducting polymer inhales the preparation method of wave sponge, specifically include with
Lower step：
S1, the polyurethane foam sponge that thickness is 1cm is cut into 18 × 18cm squares, then in 270g/L
It is impregnated 10 minutes in FeCl3.6H2O solution, squeezes sponge and recycle major part FeCl3.6H2O solution, the sponge after extruding is existed
It is dried with 30~50 DEG C of Temperature Vacuum in vacuum drying chamber, obtains the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 1 obtains is put into heating in vacuum case, and be put into equipped with pyrrole monomer loosely capped vial, protected
It is 0.01MPa to hold vacuum degree, and controlled at 30 DEG C, sedimentation time is 2 hours, obtains conducting polymer and inhales wave sponge sample.
As a further solution of the present invention：A kind of conducting polymer inhales the preparation method of wave sponge, specifically include with
Lower step：
S1, the polyurethane foam sponge that thickness is 1cm is cut into 18 × 18cm squares, then in 228g/L ammonium persulfates
It is impregnated 10 minutes in solution, squeezes sponge and recycle major part FeCl3.6H2O solution, by the sponge after extruding in vacuum drying chamber
In dried with 30~50 DEG C of Temperature Vacuum, obtain the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 3 obtains is put into heating in vacuum case, and be put into equipped with pyrrole monomer loosely capped vial, protected
It is 0.01MPa to hold vacuum degree, and controlled at 30 DEG C, sedimentation time is 24 hours, obtains conducting polymer and inhales wave sponge sample.
As a further solution of the present invention：A kind of conducting polymer inhales the preparation method of wave sponge, specifically include with
Lower step：
S1, the polyurethane foam sponge that thickness is 2cm is cut into 18 × 18cm squares, then in 270g/L
It is impregnated 10 minutes in FeCl3.6H2O solution, squeezes sponge and recycle major part FeCl3.6H2O solution, the sponge after extruding is existed
It is dried with 30~50 DEG C of Temperature Vacuum in vacuum drying chamber, obtains the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 1 obtains is put into heating in vacuum case, and be put into spacious equipped with 3,4-rthylene dioxythiophene
Mouth bottle, holding vacuum degree are 0.01MPa, and controlled at 30 DEG C, sedimentation time is 12 hours, obtain conducting polymer and inhale wave sea
Continuous sample.
As a further solution of the present invention：A kind of conducting polymer inhales the preparation method of wave sponge, specifically include with
Lower step：
S1, the polyurethane foam sponge that thickness is 1cm is cut into 18 × 18cm squares, then in 270g/L
It is impregnated 10 minutes in FeCl3.6H2O solution, squeezes sponge and recycle major part FeCl3.6H2O solution, the sponge after extruding is existed
It is dried with 30~50 DEG C of Temperature Vacuum in vacuum drying chamber, obtains the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 1 obtains is put into heating in vacuum case, and be put into spacious equipped with 3,4-rthylene dioxythiophene
Mouth bottle, holding vacuum degree are 0.01MPa, and controlled at 60 DEG C, sedimentation time is 12 hours, obtain conducting polymer and inhale wave sea
Continuous sample.
Beneficial effects of the present invention：The present invention is aoxidized poly- using polyurethane foam sponge as skeleton by gaseous monomer
It closes deposition method and prepares conducting polymer suction wave sponge, not only maintained flexible, the porous and lightweight nature of polyurethane sponge, but also hair
The electromagnetic property of conducting polymer has been waved, and then has presented excellent broadband absorbing performance.Preparation method of the present invention is simple for process,
It is at low cost, it is suitable for industrialized production.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
The structural schematic diagram of Fig. 1 PPy and PEDOT；
Fig. 2 is the reflection loss collection of illustrative plates of sample 1 made from the embodiment of the present invention 1；
Fig. 3 is the reflection loss collection of illustrative plates of sample 2 made from the embodiment of the present invention 2；
Fig. 4 is the reflection loss collection of illustrative plates of sample 3 made from the embodiment of the present invention 3；
Fig. 5 is the reflection loss collection of illustrative plates of sample 4 made from the embodiment of the present invention 4.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
~5 are please referred to Fig.1, a kind of conducting polymer suction wave sponge, mainly by conducting polymer and polyurethane foam sea
Silk floss is constituted, and conducting polymer is coated on the network skeleton surface of polyurethane foam sponge.
Wherein, conducting polymer species include polypyrrole (PPy), poly- 3,4-rthylene dioxythiophene (PEDOT) or they are mixed
Object is closed, the structural formula of PPy and PEDOT are
Wherein, the thickness of polyurethane foam sponge is 0.5~10cm, and density is less than 24kg/m3。
The embodiment of the present invention 1, a kind of conducting polymer inhale the preparation method of wave sponge, specifically include following steps：
S1, the polyurethane foam sponge that thickness is 1cm is cut into 18 × 18cm squares, then in 270g/L
It is impregnated 10 minutes in FeCl3.6H2O solution, squeezes sponge and recycle major part FeCl3.6H2O solution, the sponge after extruding is existed
It is dried with 30~50 DEG C of Temperature Vacuum in vacuum drying chamber, obtains the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 1 obtains is put into heating in vacuum case, and be put into equipped with pyrrole monomer loosely capped vial, protected
It is 0.01MPa to hold vacuum degree, and controlled at 30 DEG C, sedimentation time is 2 hours, obtains conducting polymer and inhales wave sponge sample 1；
The embodiment of the present invention 2, a kind of conducting polymer inhale the preparation method of wave sponge, specifically include following steps：
S1, the polyurethane foam sponge that thickness is 1cm is cut into 18 × 18cm squares, then in 228g/L ammonium persulfates
It is impregnated 10 minutes in solution, squeezes sponge and recycle major part FeCl3.6H2O solution, by the sponge after extruding in vacuum drying chamber
In dried with 30~50 DEG C of Temperature Vacuum, obtain the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 3 obtains is put into heating in vacuum case, and be put into equipped with pyrrole monomer loosely capped vial, protected
It is 0.01MPa to hold vacuum degree, and controlled at 30 DEG C, sedimentation time is 24 hours, obtains conducting polymer and inhales wave sponge sample
2；
The embodiment of the present invention 3, a kind of conducting polymer inhale the preparation method of wave sponge, specifically include following steps：
S1, the polyurethane foam sponge that thickness is 2cm is cut into 18 × 18cm squares, then in 270g/L
It is impregnated 10 minutes in FeCl3.6H2O solution, squeezes sponge and recycle major part FeCl3.6H2O solution, the sponge after extruding is existed
It is dried with 30~50 DEG C of Temperature Vacuum in vacuum drying chamber, obtains the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 1 obtains is put into heating in vacuum case, and be put into spacious equipped with 3,4-rthylene dioxythiophene
Mouth bottle, holding vacuum degree are 0.01MPa, and controlled at 30 DEG C, sedimentation time is 12 hours, obtain conducting polymer and inhale wave sea
Continuous sample 3；
The embodiment of the present invention 4, a kind of conducting polymer inhale the preparation method of wave sponge, specifically include following steps：
S1, the polyurethane foam sponge that thickness is 1cm is cut into 18 × 18cm squares, then in 270g/L
It is impregnated 10 minutes in FeCl3.6H2O solution, squeezes sponge and recycle major part FeCl3.6H2O solution, the sponge after extruding is existed
It is dried with 30~50 DEG C of Temperature Vacuum in vacuum drying chamber, obtains the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 1 obtains is put into heating in vacuum case, and be put into spacious equipped with 3,4-rthylene dioxythiophene
Mouth bottle, holding vacuum degree are 0.01MPa, and controlled at 60 DEG C, sedimentation time is 12 hours, obtain conducting polymer and inhale wave sea
Continuous sample 4；
The structural schematic diagram of Fig. 1 PPy and PEDOT, it can be seen that contain big conjugated chain in PPy and PEDOT molecular structures, assign
Give its excellent electric conductivity.
Fig. 2 is the reflection loss collection of illustrative plates of sample 1 in embodiment 1, it can be seen that sample 1PPy sponges show excellent
Absorbing property.When thickness is 1cm, the best reachable -35dB of reflection loss, the absorption frequency range less than -10dB is more than
12GHz covers X-band and Ku wave bands.
Fig. 3 is the reflection loss collection of illustrative plates of sample 2 in embodiment 2, it can be seen that when replacing oxidant, sample 2PPy sponges
Absorbing property reduces.When thickness is 1cm, best reflection loss is less than the absorption frequency range of -10dB only up to -18dB
Less than 5.0GHz, concentrates on middle low frequency and absorb.
Fig. 4 is the reflection loss collection of illustrative plates of sample 3 in embodiment 3, it can be seen that sample 3PEDOT sponges show excellent
Absorbing property.When thickness is 2cm, the best reachable -34dB of reflection loss, the absorption frequency range less than -10dB is more than
11GHz covers X-band and Ku wave bands.
Fig. 5 is the reflection loss collection of illustrative plates of sample 4 in embodiment 4, it can be seen that is improving depositing temperature, sample 4PEDOT
Sponge still shows the absorbing property of enhancing.When thickness is 2cm, the best reachable -34dB of reflection loss is less than -10dB
Absorption frequency range be more than 13GHz.
The present invention is prepared conductive using polyurethane foam sponge as skeleton by gaseous monomer oxidation polymerization deposition method
Polymer inhales wave sponge, has not only maintained flexible, the porous and lightweight nature of polyurethane sponge, but also played the electricity of conducting polymer
Magnetic characteristic, and then present excellent broadband absorbing performance.Preparation method simple process and low cost of the present invention is suitable for industrialization
Production.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (7)
1. a kind of conducting polymer inhales wave sponge and preparation method thereof, which is characterized in that it is mainly by conducting polymer and poly- ammonia
Ester foaming sponge is constituted, and conducting polymer is coated on the network skeleton surface of polyurethane foam sponge.
2. conducting polymer according to claim 1 inhales wave sponge, which is characterized in that conducting polymer species include poly- pyrrole
It coughs up (PPy), poly- 3,4-rthylene dioxythiophene (PEDOT) or their mixtures.
3. conducting polymer according to claim 1 inhales wave sponge, which is characterized in that the thickness of polyurethane foam sponge is
0.5~10cm, density are less than 24kg/m3。
4. conducting polymer according to claim 1 inhales the preparation method of wave sponge, which is characterized in that its specifically include with
Lower step：
S1, the polyurethane foam sponge that thickness is 1cm is cut into 18 × 18cm squares, it is then molten in 270g/LFeCl3.6H2O
It is impregnated 10 minutes in liquid, squeezes sponge and recycle major part FeCl3.6H2O solution, by the sponge after extruding in vacuum drying chamber
It is dried with 30~50 DEG C of Temperature Vacuum, obtains the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 1 obtains is put into heating in vacuum case, and be put into equipped with pyrrole monomer loosely capped vial, keep true
Reciprocal of duty cycle is 0.01MPa, and controlled at 30 DEG C, sedimentation time is 2 hours, obtains conducting polymer and inhales wave sponge sample.
5. conducting polymer according to claim 1 inhales the preparation method of wave sponge, which is characterized in that its specifically include with
Lower step：
S1, the polyurethane foam sponge that thickness is 1cm is cut into 18 × 18cm squares, then in 228g/L ammonium persulfate solutions
It is middle impregnate 10 minutes, squeeze sponge recycle major part FeCl3.6H2O solution, by the sponge after extruding in vacuum drying chamber with
30~50 DEG C of Temperature Vacuum drying, obtains the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 3 obtains is put into heating in vacuum case, and be put into equipped with pyrrole monomer loosely capped vial, keep true
Reciprocal of duty cycle is 0.01MPa, and controlled at 30 DEG C, sedimentation time is 24 hours, obtains conducting polymer and inhales wave sponge sample.
6. conducting polymer according to claim 1 inhales the preparation method of wave sponge, which is characterized in that its specifically include with
Lower step：
S1, the polyurethane foam sponge that thickness is 2cm is cut into 18 × 18cm squares, then in 270g/L FeCl3.6H2O
It is impregnated 10 minutes in solution, squeezes sponge and recycle major part FeCl3.6H2O solution, by the sponge after extruding in vacuum drying chamber
In dried with 30~50 DEG C of Temperature Vacuum, obtain the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 1 obtains is put into heating in vacuum case, and be put into equipped with 3,4-rthylene dioxythiophene opening
Bottle, holding vacuum degree are 0.01MPa, and controlled at 30 DEG C, sedimentation time is 12 hours, obtain conducting polymer and inhale wave sponge
Sample.
7. conducting polymer according to claim 1 inhales the preparation method of wave sponge, which is characterized in that its specifically include with
Lower step：
S1, the polyurethane foam sponge that thickness is 1cm is cut into 18 × 18cm squares, it is then molten in 270g/LFeCl3.6H2O
It is impregnated 10 minutes in liquid, squeezes sponge and recycle major part FeCl3.6H2O solution, by the sponge after extruding in vacuum drying chamber
It is dried with 30~50 DEG C of Temperature Vacuum, obtains the polyurethane sponge of absorption FeCl3.6H2O；
S2, the polyurethane sponge that step 1 obtains is put into heating in vacuum case, and be put into equipped with 3,4-rthylene dioxythiophene opening
Bottle, holding vacuum degree are 0.01MPa, and controlled at 60 DEG C, sedimentation time is 12 hours, obtain conducting polymer and inhale wave sponge
Sample.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109180995A (en) * | 2018-09-26 | 2019-01-11 | 德清舒华泡沫座椅有限公司 | A kind of conductive modified sponge |
| CN109265735A (en) * | 2018-09-26 | 2019-01-25 | 德清舒华泡沫座椅有限公司 | A kind of preparation method of conductive modified sponge |
| CN111099917A (en) * | 2018-10-29 | 2020-05-05 | 中国石油化工股份有限公司 | Porous composite material for generating electric arc in microwave and preparation method thereof |
| CN112048170A (en) * | 2020-09-01 | 2020-12-08 | 山东亿博润新材料科技有限公司 | Antistatic polyurethane sponge and preparation method and application thereof |
| CN115449121A (en) * | 2022-10-19 | 2022-12-09 | 北京化工大学 | Polypyrrole-coated polyimide hybrid aerogel/phase change material composite film with infrared/electromagnetic double stealth and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109180995A (en) * | 2018-09-26 | 2019-01-11 | 德清舒华泡沫座椅有限公司 | A kind of conductive modified sponge |
| CN109265735A (en) * | 2018-09-26 | 2019-01-25 | 德清舒华泡沫座椅有限公司 | A kind of preparation method of conductive modified sponge |
| CN111099917A (en) * | 2018-10-29 | 2020-05-05 | 中国石油化工股份有限公司 | Porous composite material for generating electric arc in microwave and preparation method thereof |
| CN111099917B (en) * | 2018-10-29 | 2022-01-04 | 中国石油化工股份有限公司 | Porous composite material for generating electric arc in microwave and preparation method thereof |
| CN112048170A (en) * | 2020-09-01 | 2020-12-08 | 山东亿博润新材料科技有限公司 | Antistatic polyurethane sponge and preparation method and application thereof |
| CN115449121A (en) * | 2022-10-19 | 2022-12-09 | 北京化工大学 | Polypyrrole-coated polyimide hybrid aerogel/phase change material composite film with infrared/electromagnetic double stealth and preparation method thereof |
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Application publication date: 20180918 |