CN108360251A - A kind of surface is carbonization policrystalline silicon shell core suction wave particle of graphene and preparation method thereof and the application in textile finishing - Google Patents
A kind of surface is carbonization policrystalline silicon shell core suction wave particle of graphene and preparation method thereof and the application in textile finishing Download PDFInfo
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- CN108360251A CN108360251A CN201810088241.4A CN201810088241A CN108360251A CN 108360251 A CN108360251 A CN 108360251A CN 201810088241 A CN201810088241 A CN 201810088241A CN 108360251 A CN108360251 A CN 108360251A
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/956—Silicon carbide
- C01B32/963—Preparation from compounds containing silicon
- C01B32/977—Preparation from organic compounds containing silicon
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
Abstract
The present invention provides carbonization policrystalline silicon shell core suction wave particle that a kind of surface is graphene and preparation method thereof and the application in textile finishing, specific preparation method are：Graphite paper electrode is sufficiently impregnated in the concentrated sulfuric acid, is ultrasonically treated, obtains pretreated graphite paper electrode, pretreated graphite paper electrode is subjected to electric hydrolysis with the voltage of 5 8V in dilution heat of sulfuric acid, is taken out, with water ultrasonic washing, dispersion, obtains graphene oxide solution；Polycarbosilane will be added in graphene oxide solution, after being sufficiently impregnated, take out, drying obtains the pretreated Polycarbosilane of graphene oxide；The pretreated Polycarbosilane of graphene oxide is placed in horizontal pipe furnace, it is heat-treated at 1,250 1400 DEG C, the carbonization policrystalline silicon shell core suction wave particle that surface is graphene is obtained, carbonization policrystalline silicon shell core suction wave particle and auxiliary agent that surface is graphene are mixed to form and inhale the surface formation microwave absorbing coating that wave textile finishing liquid is attached to textile substrate by the technique of coating, dipping or sprinkling.
Description
Technical field
The invention belongs to textile material technical fields, and in particular to a kind of surface is the carbonization policrystalline silicon shell core suction of graphene
Wave particle and preparation method thereof and the application in textile finishing.
Background technology
In recent years, with the development of science and technology, a large amount of electronic equipment enters daily life, and electromagnetic radiation pollution is increasingly
Seriously, the electromagnetic environment of deterioration can not only interfere electronic instrument, equipment normal work, but also the health of the mankind can be influenced.It inhales
Wave material is also referred to as microwave suction wave and is only, and refers to effective electromagnetic wave for absorbing incidence, electromagnetic energy is consumed for thermal energy, or
Make electromagnetic wave interference cancellation, to a kind of electromagnetic functional material for making the echo strength of target be obviously reduced, therefore, frequency will be absorbed
The absorbing material that bandwidth, light weight, thickness are thin, physical and mechanical property is good applies in textile fabric, and it is excellent to assign textile fabric
Absorbing property.
A kind of processing side for the suede structure fabric absorbing wide band electromagnetic wave disclosed in Chinese patent CN 103774328B
Conducting fiber blended yarn woven single or two-layer fabric are made fabric surface raising, then will by method by napping, flocking, rolling suede
The lint of single side velour is immersed in the suction wave adhesive containing wave absorbing agent and flexible adhesion agent, and it is extra that pressure compregnate removes
After inhaling wave binder, bakes, obtain the wide band electromagnetic wave with vertical shape, round, bulk, rose shape, chrysanthemum shape fluff structures
Absorb fabric.The bottom surface that fabric prepared by this method is not only prepared containing conductive yam also has the fluffy suede of absorbable electromagnetic wave
Face body avoids the problem of electromagnetic wave secondary reflection pollutes, can be inherently eliminated the harm that electromagenetic wave radiation is brought.But
There is traditional unidirectional sorbing material significant anisotropy, the electric field perpendicular and parallel absorbing property in machine direction that hangs down to have significantly
Difference.
Traditional absorbing material has ferrite, conductive black, graphite, carbon fiber and silicon carbide fibre, wherein silicon carbide fine
Dimension have the characteristics that high specific strength, high ratio modulus, high temperature resistant, anti-oxidant, resistivity is adjustable, and be easy and metal, ceramics and
High polymer is compatible, and the composite material with electromagnetic wave absorption function is prepared.One disclosed in Chinese patent CN 106967276A
Kind nano-absorbent-silicon carbide fibre multi-scale reinforcing body reinforced resin based structures absorbing material and preparation method thereof, by removing glue
Treated, and silicon carbide knitted body draws nano-absorbent, and carries out acidification, then immerses in polyamine and carry out at amination
Then reason immerses amination silicon carbide fibre knitted body in the nano-absorbent of acidification, carry out chemical graft, received
Rice absorbent-silicon carbide fibre multi-scale reinforcing body, using nano-absorbent-silicon carbide fibre multi-scale reinforcing body as absorber
It is added in fire resistant resin and reinforced resin based structures absorbing material is prepared, absorbing material prepared by this method has multiple dimensioned
Absorbing material also has both good mechanical property and absorbing property, overcomes traditional absorbing material mechanical property and absorbing property
The feature that cannot be compatible with, impact resistance is strong, is not easy to be layered.By the above-mentioned prior art it is found that by fabric lining and its table
The electromagnetic wave absorption that absorbing material can be multi-level is added in surface treatment, and machine can be improved while obtaining ideal wave-absorbing effect
Tool performance improves the composite material of fabric lining.
Invention content
The technical problem to be solved in the present invention is to provide the carbonization policrystalline silicon shell cores that a kind of surface is graphene to inhale wave particle
And preparation method thereof and the application in textile finishing, graphene oxide solution prepared by electric hydrolysis oxidation is to Polycarbosilane
After carrying out preliminary finish, through high temperature thermal decomposition, the carbonization policrystalline silicon shell core that surface is agaric shape graphene is prepared and inhales wave particle,
The suction wave particle and the finishing agent of the compound preparation of other auxiliary agents are formed into one layer of absorbing material on the surface of textile substrate, it can be notable
Improve the capability of electromagnetic shielding of textile fabric.
In order to solve the above technical problems, the technical scheme is that：
A kind of surface is the carbonization policrystalline silicon shell core suction wave particle of graphene, and the surface is the carbonization policrystalline silicon of graphene
It is shell nuclear particle that shell core, which inhales wave particle, and the surface is the shape that the carbonization policrystalline silicon shell core of graphene inhales the graphene of wave particle
For agaric shape, the surface is freely dispersed in for silicon B-carbide in the silicon carbide of the carbonization policrystalline silicon shell core suction wave particle of graphene
In amorphous matrix, the surface is that the carbonization policrystalline silicon shell core suction wave particle of graphene is pretreated poly- by graphene oxide
Carbon thermal decomposition of silane is prepared.
The present invention also provides the preparation methods that the carbonization policrystalline silicon shell core that a kind of surface is graphene inhales wave particle, including with
Lower step：
(1) graphite paper electrode is sufficiently impregnated in the concentrated sulfuric acid, is ultrasonically treated, obtains pretreated graphite paper electrode, it will
Pretreated graphite paper electrode carries out electric hydrolysis in dilution heat of sulfuric acid with the voltage of 5-8V, takes out, is washed with water ultrasonic wave
It washs, disperses, obtain graphene oxide solution；
(2) Polycarbosilane will be added in the graphene oxide solution of step (1) preparation, after being sufficiently impregnated, takes out, drying,
Obtain the pretreated Polycarbosilane of graphene oxide；
(3) the pretreated Polycarbosilane of graphene oxide prepared by step (2) is placed in horizontal pipe furnace, in 1250-
It is heat-treated at 1400 DEG C, obtains the carbonization policrystalline silicon shell core that surface is graphene and inhale wave particle.
As a preferred embodiment of the above technical solution, in the step (1), a concentration of the 98% of the concentrated sulfuric acid of supersound process, when
Between be 5-10min.
As a preferred embodiment of the above technical solution, in the step (1), a concentration of 50- of the dilute sulfuric acid of electric hydrolysis
60%, time 30-90s.
As a preferred embodiment of the above technical solution, in the step (1), a concentration of 3-5mg/mL of graphene oxide solution.
As a preferred embodiment of the above technical solution, it in the step (2), is aoxidized in the pretreated Polycarbosilane of graphene oxide
The content of graphene is 0.01-0.1%.
As a preferred embodiment of the above technical solution, in the step (3), the condition of heat treatment is the first rate with 10 DEG C/min
500 DEG C are warming up to, 1h is kept the temperature, then 1000 DEG C are warming up to the rate of 5 DEG C/min, keeps the temperature 30min, then with the rate of 5 DEG C/min
It is warming up to 1250-1400 DEG C, keeps the temperature 4-6h.
As a preferred embodiment of the above technical solution, in the step (3), surface is that the carbonization policrystalline silicon shell core of graphene inhales wave
Particle is mixed to form with auxiliary agent inhales wave textile finishing liquid.
As a preferred embodiment of the above technical solution, the auxiliary agent includes high molecular polymer, antiseptic, fire retardant, surface work
One or several kinds in property agent and solvent.
As a preferred embodiment of the above technical solution, the suction technique of the wave textile finishing liquid by coating, dipping or sprinkling
The surface for being attached to textile substrate forms microwave absorbing coating.
Compared with prior art, the invention has the advantages that：
(1) surface prepared by the present invention, which is the carbonization policrystalline silicon shell core suction wave particle of graphene, is located in advance with graphene oxide
The Polycarbosilane of reason is raw material, and graphene oxide is reduced to graphene during high-temperature process, and Polycarbosilane molecule exists
Polycrystalline silicon carbide stratum nucleare is formed during thermal decomposition, silicon B-carbide nanocrystal is freely in the polycrystalline silicon carbide stratum nucleare
It is dispersed in non-crystalline carborundum substrate, forms polycrystalline structure, and during high-temperature process, Polycarbosilane molecule is in shape
While at polycrystalline silicon carbide stratum nucleare, also it can extend graphene crystal in the outside of stratum nucleare, the graphene crystal and oxidation
Reduced graphene forms the agaric shape graphene shell of large-area high-quality, assigns the carbonization policrystalline silicon shell core that surface is graphene
The excellent specific surface area of wave particle and prodigious special surface are inhaled, the carbonization policrystalline silicon shell core that surface is graphene is made to inhale wave particle
There are good absorbent properties to electromagnetic wave, prevent secondary reflection pollution, there is excellent absorbing property.
(2) what prepared by the present invention is using the pretreated Polycarbosilane of graphene oxide as raw material, and graphene oxide is with electricity
Large area sheet graphene oxide composite material prepared by the mode of hydrolysis, the present invention penetrate into graphite flake using sulfuric acid as intercalator
Centre promote to be aoxidized between graphene sheet layer and disperseed, the large area shape oxidation being prepared then by electric hydrolysis process
Grapheme material is easier to be evenly affixed to the surface of Polycarbosilane, and the high-temperature process after being conducive to obtains special construction
Absorbing material.
(3) surface prepared by the present invention is that the carbonization policrystalline silicon shell core of graphene inhales wave particle and high molecular polymer, work(
Energy finishing agent and other auxiliary agents are textile finshing agent prepared by raw material, by the technique of coating, dipping or sprinkling in fabric
Surface forms one layer of microwave absorbing coating, assigns textile fabric excellent absorbing property, therefore, preparation method of the invention is simple, can
Handling strong, the surface of preparation is excellent for the carbonization policrystalline silicon shell core suction wave particle wave-sucking performance of graphene, and it is whole to inhale wave in weaving
There is good application prospect in terms of reason.
Specific implementation mode
Below in conjunction with specific embodiment, the present invention will be described in detail, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1：
(1) graphite paper electrode is sufficiently impregnated in 98% concentrated sulfuric acid, is ultrasonically treated 5min, obtains pretreated graphite paper
Pretreated graphite paper electrode is carried out electric hydrolysis 30s with the voltage of 5V in 50% dilution heat of sulfuric acid, taken by electrode
Go out, with water ultrasonic washing, dispersion obtains the graphene oxide solution of 3mg/mL.
(2) Polycarbosilane will be added in graphene oxide solution, after being sufficiently impregnated, takes out, dried at 60 DEG C, obtain oxygen
The pretreated Polycarbosilane of graphite alkene, wherein the content of graphene oxide is in the pretreated Polycarbosilane of graphene oxide
0.01%.
(3) the pretreated Polycarbosilane of graphene oxide is placed in horizontal pipe furnace, first with the rate liter of 10 DEG C/min
Temperature keeps the temperature 1h, then be warming up to 1000 DEG C with the rate of 5 DEG C/min, keeps the temperature 30min, then with the rate liter of 5 DEG C/min to 500 DEG C
Temperature keeps the temperature 4-6h to 1250 DEG C, obtains the carbonization policrystalline silicon shell core that surface is graphene and inhales wave particle.
(4) the carbonization policrystalline silicon shell core that surface is graphene is inhaled into wave particle and high molecular polymer, antiseptic, fire-retardant
It is mixed to form in agent, surfactant and solvent and inhales wave textile finishing liquid, be attached to by the technique of coating, dipping or sprinkling
The surface of textile substrate forms microwave absorbing coating.
Embodiment 2：
(1) graphite paper electrode is sufficiently impregnated in 98% concentrated sulfuric acid, is ultrasonically treated 10min, obtains pretreated graphite
Pretreated graphite paper electrode is carried out electric hydrolysis 90s with the voltage of 8V in 60% dilution heat of sulfuric acid, taken by paper electrode
Go out, with water ultrasonic washing, dispersion obtains the graphene oxide solution of 5mg/mL.
(2) Polycarbosilane will be added in graphene oxide solution, after being sufficiently impregnated, takes out, dried at 90 DEG C, obtain oxygen
The pretreated Polycarbosilane of graphite alkene, wherein the content of graphene oxide is in the pretreated Polycarbosilane of graphene oxide
0.1%.
(3) the pretreated Polycarbosilane of graphene oxide is placed in horizontal pipe furnace, first with the rate liter of 10 DEG C/min
Temperature keeps the temperature 1h, then be warming up to 1000 DEG C with the rate of 5 DEG C/min, keeps the temperature 30min, then with the rate liter of 5 DEG C/min to 500 DEG C
Temperature keeps the temperature 6h to 1400 DEG C, obtains the carbonization policrystalline silicon shell core that surface is graphene and inhales wave particle.
(4) the carbonization policrystalline silicon shell core that surface is graphene is inhaled into wave particle and high molecular polymer, antiseptic, fire-retardant
It is mixed to form in agent, surfactant and solvent and inhales wave textile finishing liquid, be attached to by the technique of coating, dipping or sprinkling
The surface of textile substrate forms microwave absorbing coating.
Embodiment 3：
(1) graphite paper electrode is sufficiently impregnated in 98% concentrated sulfuric acid, is ultrasonically treated 6min, obtains pretreated graphite paper
Pretreated graphite paper electrode is carried out electric hydrolysis 60s with the voltage of 6V in 55% dilution heat of sulfuric acid, taken by electrode
Go out, with water ultrasonic washing, dispersion obtains the graphene oxide solution of 4mg/mL.
(2) Polycarbosilane will be added in graphene oxide solution, after being sufficiently impregnated, takes out, dried at 80 DEG C, obtain oxygen
The pretreated Polycarbosilane of graphite alkene, wherein the content of graphene oxide is in the pretreated Polycarbosilane of graphene oxide
0.05%.
(3) the pretreated Polycarbosilane of graphene oxide is placed in horizontal pipe furnace, first with the rate liter of 10 DEG C/min
Temperature keeps the temperature 1h, then be warming up to 1000 DEG C with the rate of 5 DEG C/min, keeps the temperature 30min, then with the rate liter of 5 DEG C/min to 500 DEG C
Temperature keeps the temperature 5h to 1300 DEG C, obtains the carbonization policrystalline silicon shell core that surface is graphene and inhales wave particle.
(4) the carbonization policrystalline silicon shell core that surface is graphene is inhaled into wave particle and high molecular polymer, antiseptic, fire-retardant
It is mixed to form in agent, surfactant and solvent and inhales wave textile finishing liquid, be attached to by the technique of coating, dipping or sprinkling
The surface of textile substrate forms microwave absorbing coating.
Embodiment 4：
(1) graphite paper electrode is sufficiently impregnated in 98% concentrated sulfuric acid, is ultrasonically treated 8min, obtains pretreated graphite paper
Pretreated graphite paper electrode is carried out electric hydrolysis 50s by electrode in 52% dilution heat of sulfuric acid with the voltage of 7.2V,
It takes out, with water ultrasonic washing, dispersion obtains the graphene oxide solution of 3.5mg/mL.
(2) Polycarbosilane will be added in graphene oxide solution, after being sufficiently impregnated, takes out, dried at 75 DEG C, obtain oxygen
The pretreated Polycarbosilane of graphite alkene, wherein the content of graphene oxide is in the pretreated Polycarbosilane of graphene oxide
0.08%.
(3) the pretreated Polycarbosilane of graphene oxide is placed in horizontal pipe furnace, first with the rate liter of 10 DEG C/min
Temperature keeps the temperature 1h, then be warming up to 1000 DEG C with the rate of 5 DEG C/min, keeps the temperature 30min, then with the rate liter of 5 DEG C/min to 500 DEG C
Temperature keeps the temperature 5.5h to 1250-1400 DEG C, obtains the carbonization policrystalline silicon shell core that surface is graphene and inhales wave particle.
(4) the carbonization policrystalline silicon shell core that surface is graphene is inhaled into wave particle and high molecular polymer, antiseptic, fire-retardant
It is mixed to form in agent, surfactant and solvent and inhales wave textile finishing liquid, be attached to by the technique of coating, dipping or sprinkling
The surface of textile substrate forms microwave absorbing coating.
Embodiment 5：
(1) graphite paper electrode is sufficiently impregnated in 98% concentrated sulfuric acid, is ultrasonically treated 5min, obtains pretreated graphite paper
Pretreated graphite paper electrode is carried out electric hydrolysis 90s with the voltage of 5V in 60% dilution heat of sulfuric acid, taken by electrode
Go out, with water ultrasonic washing, dispersion obtains the graphene oxide solution of 3mg/mL.
(2) Polycarbosilane will be added in graphene oxide solution, after being sufficiently impregnated, takes out, dried at 90 DEG C, obtain oxygen
The pretreated Polycarbosilane of graphite alkene, wherein the content of graphene oxide is in the pretreated Polycarbosilane of graphene oxide
0.01%.
(3) the pretreated Polycarbosilane of graphene oxide is placed in horizontal pipe furnace, first with the rate liter of 10 DEG C/min
Temperature keeps the temperature 1h, then be warming up to 1000 DEG C with the rate of 5 DEG C/min, keeps the temperature 30min, then with the rate liter of 5 DEG C/min to 500 DEG C
Temperature keeps the temperature 4h to 1400 DEG C, obtains the carbonization policrystalline silicon shell core that surface is graphene and inhales wave particle.
(4) the carbonization policrystalline silicon shell core that surface is graphene is inhaled into wave particle and high molecular polymer, antiseptic, fire-retardant
It is mixed to form in agent, surfactant and solvent and inhales wave textile finishing liquid, be attached to by the technique of coating, dipping or sprinkling
The surface of textile substrate forms microwave absorbing coating.
Embodiment 6：
(1) graphite paper electrode is sufficiently impregnated in 98% concentrated sulfuric acid, is ultrasonically treated 10min, obtains pretreated graphite
Pretreated graphite paper electrode is carried out electric hydrolysis 30s by paper electrode in 50% dilution heat of sulfuric acid with the voltage of 8V,
It takes out, with water ultrasonic washing, dispersion obtains the graphene oxide solution of 5mg/mL.
(2) Polycarbosilane will be added in graphene oxide solution, after being sufficiently impregnated, takes out, dried at 60 DEG C, obtain oxygen
The pretreated Polycarbosilane of graphite alkene, wherein the content of graphene oxide is in the pretreated Polycarbosilane of graphene oxide
0.1%.
(3) the pretreated Polycarbosilane of graphene oxide is placed in horizontal pipe furnace, first with the rate liter of 10 DEG C/min
Temperature keeps the temperature 1h, then be warming up to 1000 DEG C with the rate of 5 DEG C/min, keeps the temperature 30min, then with the rate liter of 5 DEG C/min to 500 DEG C
Temperature keeps the temperature 6h to 1250 DEG C, obtains the carbonization policrystalline silicon shell core that surface is graphene and inhales wave particle.
(4) the carbonization policrystalline silicon shell core that surface is graphene is inhaled into wave particle and high molecular polymer, antiseptic, fire-retardant
It is mixed to form in agent, surfactant and solvent and inhales wave textile finishing liquid, be attached to by the technique of coating, dipping or sprinkling
The surface of textile substrate forms microwave absorbing coating.
Comparative example 1：
Silicon carbide suction wave particle is mixed into shape with high molecular polymer, antiseptic, fire retardant, surfactant and solvent
At wave textile finishing liquid is inhaled, the surface that textile substrate is attached to by the technique of coating, dipping or sprinkling forms microwave absorbing coating.
Comparative example 2：
Silicon carbide is inhaled wave particle to immerse in graphene oxide solution, after taking out drying, high molecular polymer, antibacterial is added
It is mixed to form in agent, fire retardant, surfactant and solvent and inhales wave textile finishing liquid, pass through the work of coating, dipping or sprinkling
The surface that skill is attached to textile substrate forms microwave absorbing coating.
After testing, the result of the absorbing property of the microwave absorbing coating for the microwave absorbing coating and the prior art that prepared by embodiment 1-6
As follows：
As seen from the above table, for the microwave absorbing coating that prepared by the present invention compared with traditional silicon carbide inhales wave processing, absorbing property is aobvious
Write enhancing.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. the carbonization policrystalline silicon shell core that a kind of surface is graphene inhales wave particle, it is characterised in that：The surface is graphene
It is shell nuclear particle that the policrystalline silicon shell core that is carbonized, which inhales wave particle, and the surface is that the carbonization policrystalline silicon shell core of graphene inhales the stone of wave particle
The shape of black alkene is agaric shape, and the surface is the silicon B-carbide in the silicon carbide of policrystalline silicon shell core suction wave particle that is carbonized of graphene
It is freely dispersed in amorphous matrix, the surface is that the carbonization policrystalline silicon shell core of graphene inhales wave particle by graphene oxide
Pretreated Polycarbosilane thermal decomposition is prepared.
2. a kind of surface, which is the carbonization policrystalline silicon shell core of graphene, inhales the preparation method of wave particle, which is characterized in that including following
Step：
(1) graphite paper electrode is sufficiently impregnated in the concentrated sulfuric acid, is ultrasonically treated, obtains pretreated graphite paper electrode, will locate in advance
The graphite paper electrode of reason carries out electric hydrolysis in dilution heat of sulfuric acid with the voltage of 5-8V, takes out, and with water ultrasonic washing, divides
It dissipates, obtains graphene oxide solution；
(2) Polycarbosilane will be added in the graphene oxide solution of step (1) preparation, after being sufficiently impregnated, takes out, drying obtains
The pretreated Polycarbosilane of graphene oxide；
(3) the pretreated Polycarbosilane of graphene oxide prepared by step (2) is placed in horizontal pipe furnace, in 1250-1400
It is heat-treated at DEG C, obtains the carbonization policrystalline silicon shell core that surface is graphene and inhale wave particle.
3. a kind of surface according to claim 2, which is the carbonization policrystalline silicon shell core of graphene, inhales the preparation method of wave particle,
It is characterized in that：In the step (1), a concentration of the 98% of the concentrated sulfuric acid of supersound process, time 5-10min.
4. a kind of surface according to claim 2, which is the carbonization policrystalline silicon shell core of graphene, inhales the preparation method of wave particle,
It is characterized in that：In the step (1), a concentration of 50-60% of the dilute sulfuric acid of electric hydrolysis, time 30-90s.
5. a kind of surface according to claim 2, which is the carbonization policrystalline silicon shell core of graphene, inhales the preparation method of wave particle,
It is characterized in that：In the step (1), a concentration of 3-5mg/mL of graphene oxide solution.
6. a kind of surface according to claim 2, which is the carbonization policrystalline silicon shell core of graphene, inhales the preparation method of wave particle,
It is characterized in that：In the step (2), the content of graphene oxide is 0.01- in the pretreated Polycarbosilane of graphene oxide
0.1%.
7. a kind of surface according to claim 2, which is the carbonization policrystalline silicon shell core of graphene, inhales the preparation method of wave particle,
It is characterized in that：In the step (3), the condition of heat treatment is that the first rate with 10 DEG C/min is warming up to 500 DEG C, keeps the temperature 1h,
1000 DEG C are warming up to the rate of 5 DEG C/min again, 30min is kept the temperature, then 1250-1400 DEG C is warming up to the rate of 5 DEG C/min, protects
Warm 4-6h.
8. any surface according to claim 2-7, which is the carbonization policrystalline silicon shell core of graphene, inhales the preparation of wave particle
Method, it is characterised in that：In the step (3), surface is that the carbonization policrystalline silicon shell core suction wave particle of graphene is mixed with auxiliary agent
It is formed and inhales wave textile finishing liquid.
9. a kind of surface according to claim 8, which is the carbonization policrystalline silicon shell core of graphene, inhales the preparation method of wave particle,
It is characterized in that, the auxiliary agent include one kind in high molecular polymer, antiseptic, fire retardant, surfactant and solvent or
Person is several.
10. a kind of surface according to claim 8, which is the carbonization policrystalline silicon shell core of graphene, inhales the preparation method of wave particle,
It is characterized in that, the surface inhaled wave textile finishing liquid and be attached to textile substrate by the technique of coating, dipping or sprinkling
Form microwave absorbing coating.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112562906A (en) * | 2020-12-15 | 2021-03-26 | 扬州腾飞电缆电器材料有限公司 | Antistatic high-flame-retardant fireproof anti-oxidation wrapping tape and preparation method thereof |
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