CN110423535A - A kind of preparation method of ultra-thin carbon nanotube wave-absorbing coating material - Google Patents
A kind of preparation method of ultra-thin carbon nanotube wave-absorbing coating material Download PDFInfo
- Publication number
- CN110423535A CN110423535A CN201910706630.3A CN201910706630A CN110423535A CN 110423535 A CN110423535 A CN 110423535A CN 201910706630 A CN201910706630 A CN 201910706630A CN 110423535 A CN110423535 A CN 110423535A
- Authority
- CN
- China
- Prior art keywords
- carbon nanotube
- preparation
- added
- coating material
- wave
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09D109/02—Copolymers with acrylonitrile
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/32—Radiation-absorbing paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Abstract
The invention discloses a kind of preparation methods of ultra-thin carbon nanotube wave-absorbing coating material, this method carries out the processing of surface Strong oxdiative to carbon nanotube by the method that mixed strong acids combine strong oxidizer, prepare the modified carbon nano-tube for possessing " lint shape " special surface pattern, select different high molecular materials as matrix, by adjusting the proportionate relationship of absorbent contents and high molecular material, the carbon nanotube wave-absorbing coating material of ultra-thin wideband is obtained.Coating material produced by the present invention solves the disadvantages of current wave-absorbing coating material thickness is big, quality is heavy, absorption band is narrow, preparation process is complicated.- 4dB the Whole frequency band below that radar wave X-band and Ku wave band can be achieved in the coating below thickness 1.0mm absorbs, and the band width of reflection loss < -10dB is up to 5.23GHz.
Description
Technical field
The invention belongs to the designs of the structure of absorbing material, and in particular to a kind of system of ultra-thin carbon nanotube wave-absorbing coating material
Preparation Method and application.
Background technique
Absorbing material is a kind of material that can keep out and weaken electromagenetic wave radiation, all has pole in national defence and civil field
It is widely used in each for important application value because having many advantages, such as that high-performance, preparation process are simple and are easy to coat use
On the protection of class terrestrial weapon equipment is stealthy, one of effective stealthy means are presently the most, and the key of coating absorbing property
It is the selection of wave absorbing agent filler.
Since carbon nanotube self-discovery, unique structure and electromagnetic property have caused extensive concern.Due to carbon
Nanotube has the characteristics such as quantum effect, small-size effect and skin effect, and after electron energy level division, level spacing is located
In in microwave range.Meanwhile semiconductor effect caused by the unique architectural characteristic of carbon nanotube itself and high-specific surface area effect,
The generation for resulting in its surface multi-use scattering and interfacial polarization, effectively enhances the decaying and absorption of electromagnetic wave.Therefore, carbon nanometer
Pipe has great application value as absorbent in terms of microwave absorbing coating preparation.
Currently, prior art CN103408899A discloses a type tree construction micro-nano wave absorbing agent/compound suction of epoxy resin
The preparation method of wave material.Its main feature is that being received using vapour deposition process on the surface of hollow carbon fibers structure and growth inside
The carbon nanotube of meter level obtains complex carbon material, and then the loaded metal particle in situ in the complex carbon material structure, obtains
The micro-nano wave absorbing agent of " class tree construction ".But the coating only shows certain microwave absorbing property within the scope of X-band, inhales
Receive that frequency band is relatively narrow and the preparation method of coating absorbent is excessively complicated.Meanwhile prior art CN104945850A discloses one kind
The preparation method of polymer-modified carbon nanotube enhancing hybrid resin composite material.This method is changed using surface grafting hexamethylene diamine
Property carbon nanotube as modifying agent, using composite modified technical method, span is come/epoxy hybrid resin is modified, is made
It obtains span and carrys out/epoxy hybrid resin base carbon nanotube composite material.And the preparation technology of coating is complex, production cycle length,
Higher cost, and the absorbing property under thin thickness is extremely limited.It is found by early-stage study, current material is in 8~18GHz
Military radar frequency range in realize Whole frequency band ultra-thin absorbent it is seldom, and about carbon-based microwave absorbing coating 1.0mm thickness with
The lower report for realizing that electromagnetic wave wideband absorbs is very few.Therefore, be badly in need of prepare a kind of thin thickness, light weight, absorption band it is wide, inhale
Receive that intensity is big and the microwave absorbing material of anti scuffing.
Summary of the invention
In order to avoid the shortcomings of the prior art, the present invention proposes a kind of surface modification of carbon nanotube and its microthin coating
The method of preparation carries out the processing of surface Strong oxdiative to carbon nanotube by the method that mixed strong acids combine strong oxidizer, prepares
The modified carbon nano-tube for possessing " lint shape " special surface pattern selects different high molecular materials as matrix, passes through adjusting
The proportionate relationship of absorbent contents and macromolecular liquid obtains the carbon nanotube wave-absorbing coating material of frivolous wideband.
The present invention provides a kind of preparation methods of ultra-thin carbon nanotube wave-absorbing coating material, and the method includes carbon nanometers
Dispersion, the curing molding step of pipe surface modification and coating material,
Wherein, the surface modification of carbon nanotube the following steps are included:
Step 1: carbon nanotube dust being added in the mixed solution of the concentrated sulfuric acid and concentrated nitric acid, the magnetic force under ice water bath environment
After stirring 0.5h~2h, potassium permanganate is added, continues to stir 1h~4h.
Further, the mass volume ratio of the carbon nanotube and mixed acid is 1:80~1:120.
Further, the volume ratio of the concentrated sulfuric acid and concentrated nitric acid is 1:1~1:4, dense H in the step 12SO4Mass fraction is
98%, dense HNO3Mass fraction is 65%.
Further, KMnO in the step 14Mass ratio with carbon nanotube dust is 3:1~9:1.
Step 2: bath temperature being adjusted to 25 DEG C~45 DEG C, deionized water dilution is added after magnetic agitation 2h~8h, so
After be added hydrogenperoxide steam generator, stir 0.5h~1h.
Further, the volume that hydrogenperoxide steam generator is added in the step 2 is 10-30 times of potassium permanganate quality, institute
The mass fraction for stating hydrogenperoxide steam generator is 5%.
Step 3: mixed solution made from step 2 being filtered 2~6 times, then is cleaned 4~8 times with deionized water, reduction is added
It seals, is subsequently placed in thermostatic drying chamber, constant temperature keeps 10h after being heated to 20 DEG C~100 DEG C after agent stirring 10min~20min
~18h.
Further, the reducing agent of the step 3 be hydroquinone, hydroiodic acid, hydrazine hydrate or sodium borohydride, reducing agent
Concentration is 30mg/mL~90mg/mL, and the quality of addition reducing agent is 1-5 times of the quality of carbon nanotube in mixed solution.
Step 4: the mixed solution of step 3 being taken out, filters 2~4 times, then cleaned 3~6 times with deionized water, then sets
It is dried in vacuo 18h~36h in freeze drier, obtains the dry powder of modified carbon nanotube.
Wherein, the dispersion of the coating material, curing molding the following steps are included:
Step 5: the dry powder of modified carbon nanotube is added in macromolecular liquid, while diluent is added, magnetic force
Curing agent is added after stirring 2h~6h, is kept stirring 5min~10min；
Further, the macromolecular liquid of the step 5 is epoxy resin, organic siliconresin, sulphurated siliastic, ternary second
Third rubber or nitrile rubber, the curing agent are polyamide, aliphatic cyclic amine, tertiary amine or boron trifluoride complex.
Further, the mass ratio of the dry powder of the carbon nanotube of the step 5 and Polymer Solution is 1:100~1:
20。
Further, the volume ratio of diluent and macromolecular liquid is 0.5:1~2:1 in the step 5.
Further, the magnetic agitation environment of the step 5 is oil bath pan, and temperature is set as 50 DEG C~90 DEG C, and rotor turns
Speed is 500r/min~1000r/min.
Further, the diluent of the step 5 is dimethylbenzene.
Step 6: carbon nanotube uniform dispersion made from step 5 being poured into mold, dry 4h~8h under room temperature, then
It is demoulded after being placed in the thermostatic drying chamber of temperature 60 C~100 DEG C dry 8h~18h, the carbon nanotube microwave absorbing coating material is made
Material.
The present invention having the beneficial effect that compared with the existing technology:
(1) carbon nanotube coating thickness made from is in 1.0mm hereinafter, having compared with absorbing material in the prior art bright
Aobvious advantageous thinness, and Whole frequency band can be achieved in the radar-frequency band of 8~18GHz (radar wave X-band and Ku wave band)
Ultra-thin absorbent (- 4dB or less), the band width of reflection loss < -10dB is up to 5.23GHz.
(2) preparation technology of coating is simple mature, synthesis process is easily controllable, and easy preparation process can effectively shorten coating
In the period of preparation, production efficiency is improved, mature controllable preparation process is even more to provide guarantee for the quality of coating.
(3) selecting the carbon nanotube of one-dimensional lightweight as wave absorbing agent, high molecular material is matrix, significantly reduces coating
Weight, meet microwave absorbing coating instantly and prepare light-weighted general trend；Made carbon nanotube coating is with good performance
Stability and wearability, absorbing property does not reduce after bending thousands of times.
Detailed description of the invention
Fig. 1 is the design flow diagram of the method for the present invention.
Fig. 2 is the TEM photo of modified carbon nanotubes, shows that modified carbon nano tube surface shows " hair in photo
It is velvet-like " special construction.
Fig. 3 is the electromagnetic wave absorption performance figure of epoxy resin-matrix carbon nanotube coating prepared by embodiment 1.
Fig. 4 is the electromagnetic wave absorption performance figure of organic silicon resin-based carbon nanotube coating prepared by embodiment 2.
Fig. 5 is the electromagnetic wave absorption performance figure of sulphurated siliastic base carbon nanotube coating prepared by embodiment 3.
Specific embodiment
The present invention is described in detail with embodiment with reference to the accompanying drawing.
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment is briefly described, it should be apparent that, be described below in embodiment be some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these embodiments
His embodiment.
Embodiment 1:
(1) 4g carbon nanotube dust is added in the mixed solution of the 320mL concentrated sulfuric acid and concentrated nitric acid, under ice water bath environment
12g potassium permanganate (being slowly added to) is added after magnetic agitation 0.5h, continues to stir 2h；
(2) bath temperature is adjusted to 30 DEG C, 400mL deionized water is added after magnetic agitation 4h and is diluted and (slowly draws
Stream), 120mL hydrogenperoxide steam generator (5.0%) then is added, stirs 0.5h；
(3) mixed solution made from step 2 is filtered 4 times, then is cleaned 5~6 times with deionized water, hydroquinone is added
It seals, is subsequently placed in thermostatic drying chamber, constant temperature is kept after being heated to 100 DEG C after (being 2:1 with CNTs mass ratio) stirring 10min
12h；
(4) mixed solution of step 3 is taken out, filters 3 times, then cleaned 4 times with deionized water, is subsequently placed in freeze-drying
It is dried in vacuo in machine for 24 hours, obtains the dry powder of modified carbon nanotube；
(5) it weighs the dry powder of the modified carbon nanotube of 5.135g to be added in 114.11g (100mL) epoxy resin, together
When 150mL diluent xylene solution is added, 12mL polyamide curing agent is added after magnetic agitation 4h, is kept stirring 5min；
(6) carbon nanotube uniform dispersion made from step (5) is poured into the mold of fixed shape, keeps surface flat
It is whole, thickness is uniform, first spontaneously dries 6h at normal temperature, then places it in thermostatic drying chamber, temperature is set as 80 DEG C, dry
12h finally carries out demoulding processing, carbon nanotube coating material is made, with a thickness of 0.92mm.
Sample is processed into standard electromagnetic wave reflectance test sample, the loss of its minimal reflection is measured and reaches -21.19dB, -
4dB or less Effective frequency width of absorption reaches 10.4GHz (7.6GHz~18GHz), and the following Effective frequency width of absorption of -10dB reaches 5.23GHz
(11.07GHz~16.3GHz), is specifically shown in Fig. 1.
Embodiment 2:
(1) 4g carbon nanotube dust is added in the mixed solution of the 360mL concentrated sulfuric acid and concentrated nitric acid, under ice water bath environment
16g potassium permanganate (being slowly added to) is added after magnetic agitation 1h, continues to stir 2h；
(2) bath temperature is adjusted to 35 DEG C, 400mL deionized water is added after magnetic agitation 6h and is diluted and (slowly draws
Stream), 160mL hydrogenperoxide steam generator (5.0%) then is added, stirs 0.5h；
(3) mixed solution made from step 2 is filtered 6 times, then is cleaned 5~6 times with deionized water, addition hydrazine hydrate (with
CNTs mass ratio is subsequently placed in thermostatic drying chamber, constant temperature keeps 14h after being heated to 25 DEG C to seal after 3:1) stirring 15min；
(4) mixed solution of step 3 is taken out, filters 2 times, then cleaned 3 times with deionized water, is subsequently placed in freeze-drying
It is dried in vacuo 20h in machine, obtains the dry powder of modified carbon nanotube；
(5) it weighs the dry powder of the modified carbon nanotube of 4.47g to be added in 111.75g (100mL) organic siliconresin, together
When 120mL diluent xylene solution is added, 10mL alicyclic ring amine hardener is added after magnetic agitation 3.5h, is kept stirring 5min；
(6) carbon nanotube uniform dispersion made from step 5 is poured into the mold of fixed shape, holding surfacing,
Thickness is uniform, first spontaneously dries 6h at normal temperature, then places it in thermostatic drying chamber, and temperature is set as 60 DEG C, drying
18h finally carries out demoulding processing, carbon nanotube coating material is made, with a thickness of 0.94mm.
Sample is processed into standard electromagnetic wave reflectance test sample, the loss of its minimal reflection is measured and reaches -12.15dB, -
4dB or less Effective frequency width of absorption reaches 7.46GHz (10.54GHz~18GHz), and the following Effective frequency width of absorption of -10dB reaches 2.32GHz
(14GHz~16.32GHz), is specifically shown in Fig. 2.
Embodiment 3:
(1) 4g carbon nanotube dust is added in the mixed solution of the 400mL concentrated sulfuric acid and concentrated nitric acid, under ice water bath environment
20g potassium permanganate (being slowly added to) is added after magnetic agitation 1h, continues to stir 1.5h；
(2) bath temperature is adjusted to 30 DEG C, 400mL deionized water is added after magnetic agitation 8h and is diluted and (slowly draws
Stream), 200mL hydrogenperoxide steam generator (5.0%) then is added, stirs 0.5h；
(3) mixed solution made from step 2 is filtered 5 times, then is cleaned 5~6 times with deionized water, addition hydroiodic acid (with
CNTs mass ratio is subsequently placed in thermostatic drying chamber, constant temperature keeps 16h after being heated to 20 DEG C to seal after 4:1) stirring 15min；
(4) mixed solution of step 3 is taken out, filters 4 times, then cleaned 6 times with deionized water, is subsequently placed in freeze-drying
It is dried in vacuo 30h in machine, obtains the dry powder of modified carbon nanotube；
(5) it weighs the modified carbon nanotube of 2.515g to be added in 125.75g (100mL) nitrile rubber solution, add simultaneously
Enter 100mL diluent xylene solution, 15mL tertiary amine curing agent is added after magnetic agitation 3h, is kept stirring 5min；
(6) carbon nanotube uniform dispersion made from step 5 is poured into the mold of fixed shape, holding surfacing,
Thickness is uniform, first spontaneously dries 5h at normal temperature, then places it in thermostatic drying chamber, and temperature is set as 90 DEG C, drying
10h finally carries out demoulding processing, carbon nanotube coating material is made, with a thickness of 0.98mm.
Sample is processed into standard electromagnetic wave reflectance test sample, the loss of its minimal reflection is measured and reaches -16.17dB, -
4dB or less Effective frequency width of absorption reaches 8.04GHz (9.96GHz~18GHz), and the following Effective frequency width of absorption of -10dB reaches 3.14GHz
(14.54GHz~17.68GHz).
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of preparation method of ultra-thin carbon nanotube wave-absorbing coating material, which is characterized in that the method includes carbon nanotubes
Surface is modified and dispersion, the curing molding step of coating material, the surface modification of carbon nanotube the following steps are included:
Step 1: carbon nanotube dust being added in the mixed solution of the concentrated sulfuric acid and concentrated nitric acid, the magnetic agitation under ice water bath environment
After 0.5h~2h, potassium permanganate is added, continues to stir 1h~4h, the mass volume ratio of the carbon nanotube and mixed acid is 1:
80~1:120；
Step 2: bath temperature is adjusted to 25 DEG C~45 DEG C, deionized water dilution is added after magnetic agitation 2h~8h, then plus
Enter hydrogenperoxide steam generator, stirs 0.5h~1h；
Step 3: mixed solution made from step 2 being filtered 2~6 times, then is cleaned 4~8 times with deionized water, reducing agent is added and stirs
Seal, be subsequently placed in thermostatic drying chamber after mixing 10min~20min, after being heated to 20 DEG C~100 DEG C constant temperature keep 10h~
18h；
Step 4: the mixed solution of step 3 being taken out, filters 2~4 times, then cleaned 3~6 times with deionized water, is subsequently placed in cold
It is dried in vacuo 18h~36h in lyophilizer, obtains the dry powder of modified carbon nanotube.
2. preparation method according to claim 1, it is characterised in that: the volume of the concentrated sulfuric acid and concentrated nitric acid in the step 1
Than for 1:1~1:4, dense H2SO4Mass fraction is 98%, dense HNO3Mass fraction is 65%.
3. preparation method according to claim 1, it is characterised in that: KMnO in the step 14With carbon nanotube dust
Mass ratio is 3:1~9:1.
4. preparation method according to claim 1, it is characterised in that: the body of hydrogenperoxide steam generator is added in the step 2
Product is 10-30 times of potassium permanganate quality, and the mass fraction of the hydrogenperoxide steam generator is 5%.
5. preparation method according to claim 1, it is characterised in that: the reducing agent of the step 3 is hydroquinone, hydrogen iodine
Acid, hydrazine hydrate or sodium borohydride, reducing agent solution concentration are 30mg/mL~90mg/mL, and the matter of reducing agent is added in mixed solution
Amount is 1-5 times of the quality of carbon nanotube.
6. preparation method according to claim 1, it is characterised in that: the dispersion of the coating material, curing molding include
Following steps:
Step 5: the dry powder of modified carbon nanotube is added in macromolecular liquid, while diluent is added, magnetic agitation
Curing agent is added after 2h~6h, is kept stirring 5min~10min；
Step 6: carbon nanotube uniform dispersion made from step 5 being poured into mold, dry 4h~8h, is subsequently placed under room temperature
It is demoulded after dry 8h~18h in the thermostatic drying chamber of temperature 60 C~100 DEG C, the carbon nanotube wave-absorbing coating material is made.
7. preparation method according to claim 6, it is characterised in that: the dry powder of the carbon nanotube of the step 5 and height
The mass ratio of molecular solution is 1:100~1:20.
8. preparation method according to claim 6, it is characterised in that: the macromolecular liquid of the step 5 be epoxy resin,
Organic siliconresin, sulphurated siliastic, ethylene propylene diene rubber or nitrile rubber, the curing agent be polyamide, aliphatic cyclic amine, tertiary amine or
Boron trifluoride complex.
9. preparation method according to claim 6, it is characterised in that: diluent and macromolecular liquid in the step 5
Volume ratio is 0.5:1~2:1.
10. preparation method according to claim 6, it is characterised in that: the magnetic agitation environment of the step 5 is oil bath
Pot, temperature are set as 50 DEG C~90 DEG C, and rotor speed is 500r/min~1000r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706630.3A CN110423535B (en) | 2019-08-01 | 2019-08-01 | Preparation method of ultrathin carbon nanotube wave-absorbing coating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706630.3A CN110423535B (en) | 2019-08-01 | 2019-08-01 | Preparation method of ultrathin carbon nanotube wave-absorbing coating material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110423535A true CN110423535A (en) | 2019-11-08 |
| CN110423535B CN110423535B (en) | 2021-10-08 |
Family
ID=68411987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910706630.3A Active CN110423535B (en) | 2019-08-01 | 2019-08-01 | Preparation method of ultrathin carbon nanotube wave-absorbing coating material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110423535B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251004A (en) * | 2020-11-14 | 2021-01-22 | 百草边大生物科技(青岛)有限公司 | Artemisia argyi PET master batch and application thereof in plastic products |
| CN114591645A (en) * | 2022-03-04 | 2022-06-07 | 中国人民解放***箭军工程大学 | Carbon-based wave-absorbing coating, preparation method thereof and honeycomb sandwich structure composite wave-absorbing material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774421A (en) * | 2018-07-12 | 2018-11-09 | 山东佳星环保科技有限公司 | A kind of graphene composite wave-suction material and preparation method thereof and coating agent using the material preparation |
-
2019
- 2019-08-01 CN CN201910706630.3A patent/CN110423535B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108774421A (en) * | 2018-07-12 | 2018-11-09 | 山东佳星环保科技有限公司 | A kind of graphene composite wave-suction material and preparation method thereof and coating agent using the material preparation |
Non-Patent Citations (2)
| Title |
|---|
| YUJIE DING ET AL.: "Dependence of reduction degree on electromagnetic absorption of graphene nanoribbon unzipped from carbon nanotube", 《JOURNAL OF COLLOID AND INTERFACE SCIENCE》 * |
| YUJIE DING ET AL.: "Multifunctional three-dimensional graphene nanoribbons composite sponge", 《CARBON》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251004A (en) * | 2020-11-14 | 2021-01-22 | 百草边大生物科技(青岛)有限公司 | Artemisia argyi PET master batch and application thereof in plastic products |
| CN112251004B (en) * | 2020-11-14 | 2023-03-10 | 百草边大生物科技(青岛)有限公司 | Artemisia argyi PET master batch and application thereof in plastic products |
| CN114591645A (en) * | 2022-03-04 | 2022-06-07 | 中国人民解放***箭军工程大学 | Carbon-based wave-absorbing coating, preparation method thereof and honeycomb sandwich structure composite wave-absorbing material |
| CN114591645B (en) * | 2022-03-04 | 2023-02-17 | 中国人民解放***箭军工程大学 | Carbon-based wave-absorbing coating, preparation method thereof and honeycomb sandwich structure composite wave-absorbing material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110423535B (en) | 2021-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105968717B (en) | A kind of preparation of carbon fiber/graphite alkene/carbon nano tube/epoxy resin prepreg and carbon fibre composite | |
| CN103146147B (en) | A kind of epoxy resin toughened/glass fibre prepreg and preparation method | |
| CN112195013B (en) | Method for synthesizing porous magnetic metal oxide/carbon composite wave-absorbing material | |
| CN102212265B (en) | Preparation method for electroconductive polyurethane complex with anion releasing function | |
| CN106654278A (en) | Novel carbon spheres and preparation method and application thereof | |
| CN110423535A (en) | A kind of preparation method of ultra-thin carbon nanotube wave-absorbing coating material | |
| CN103301860B (en) | Preparation method of multiwalled carbon nanotube supported silver phosphate visible light photocatalyst | |
| CN109233740A (en) | The method for preparing Fe/Co/C composite wave-suction material based on modified MOF materials pyrolysis | |
| CN110079271B (en) | Protein-based carbon/magnetic Fe Co nanoparticle composite wave absorber and preparation method and application thereof | |
| CN105664936A (en) | Method for preparing nano composite material having core-shell structure with dopamine as carbon source | |
| CN106046401B (en) | A kind of preparation method of graphene polyaniline aeroge thermoelectric material | |
| CN106800916A (en) | A kind of graphene-based tri compound absorbing material and preparation method thereof | |
| CN103318973A (en) | Preparation method of carbon-cladding Fe3O4 microsphere wave-absorbing material | |
| CN110205809B (en) | Sizing method of carbon fiber and application thereof | |
| CN110343269B (en) | Method for preparing high-performance composite material by growing polymer particles on surface of carbon fiber in situ | |
| CN103172050A (en) | Preparation method of boron nitride-coated carbon nanotubes | |
| US11472917B2 (en) | 3,4-ethylenedioxythiophene (EDOT) polymer capable of superassembling with carbon-based materials, and its preparation method | |
| CN109103442A (en) | A kind of preparation method of graphene-coated lithium iron phosphate positive electrode | |
| CN108855219A (en) | A kind of hollow covalent organic frame cage composite material of yolk-eggshell structural metal@and its preparation and application | |
| CN103657546A (en) | Method for preparing nuclear shell type magnetic composite resin microballoons | |
| CN107338023A (en) | A kind of nano combined microwave absorption and preparation method thereof | |
| CN109161195A (en) | A kind of conductivity type carbon nanotube/cyanate composite material and preparation method thereof | |
| CN109179381B (en) | Graphene/ferroferric oxide/copper silicate composite powder and preparation and application thereof | |
| CN108546440A (en) | A kind of graphene conductive coating and preparation method thereof | |
| CN108971509A (en) | A kind of preparation method of the iron-nickel alloy nano material of controllable grain size |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |