CN108727778A - Absorbing material and preparation method thereof - Google Patents
Absorbing material and preparation method thereof Download PDFInfo
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- CN108727778A CN108727778A CN201710278754.7A CN201710278754A CN108727778A CN 108727778 A CN108727778 A CN 108727778A CN 201710278754 A CN201710278754 A CN 201710278754A CN 108727778 A CN108727778 A CN 108727778A
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of 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; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of 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; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K3/00—Materials not provided for elsewhere
Abstract
The invention discloses a kind of absorbing materials and preparation method thereof.The production method includes mixing and hot pressing, wherein in mixing step, raw rubber, filler, vulcanizing agent and auxiliary agent is mixed into mixture, in heat-press step, said mixture is hot-forming, obtains absorbing material.Raw rubber can provide necessary flexible, HI high impact modulus and environment resistant etc. for product；Filler includes at least one of high electromagnetic consumable materials such as manganese-zinc ferrite, Ni-Co ferrite, iron alusil alloy, iron aluminum chromium, and the electromagnetic performance of product can be adjusted by introducing this kind of high electromagnetic consumable material, it is made to obtain the characteristic for inhaling wave；The addition of auxiliary agent can improve dispersibility of the filler in raw rubber matrix.Absorbing material according to the present invention and preparation method thereof, obtained absorbing material, which can directly make, inhales the use of wave part, can also be to make the Meta Materials with wave-sucking performance as base material to use.
Description
Technical field
The present invention relates to Meta Materials fields, relate more specifically to a kind of production method of absorbing material.
Background technology
With the development of modern science and technology, influence of the electromagenetic wave radiation to environment increasingly increases.Harmful electromagnetic radiation
A degree of injury can be caused to human body by fuel factor or non-thermal effect, it is not necessary to electromagnetic radiation can also navigate to airport
Class, medical bring interference.Material therefore, it is possible to keep out or weaken electromagenetic wave radiation is badly in need of being developed and being opened up
Exhibition.Wherein, absorbing material and it is widely used in military and civilian field by the Meta Materials that base material makes of absorbing material.
In some fields, the requirement to absorbing material is not only often with the characteristic for inhaling wave, it is also necessary to introduce example
Such as other characteristics of convenience, flexibility meet its working environment.
Invention content
In view of this, the purpose of the present invention is to provide a kind of absorbing material and preparation method thereof, this method is obtained to inhale
Wave material has both the preferable characteristics such as flexible, environment resistant.
According to an aspect of the present invention, a kind of production method of absorbing material is provided, including：By raw rubber, filler, vulcanizing agent
And auxiliary agent is mixed into mixture；And the mixture is hot-forming, obtain the absorbing material, wherein the filler
Including at least one of manganese-zinc ferrite, Ni-Co ferrite, iron alusil alloy, iron aluminum chromium.
Preferably, the raw rubber, the filler, the vulcanizing agent, the auxiliary agent mass fraction be：
Raw rubber：100 parts；
Filler：100~500 parts；
Vulcanizing agent：1~5 part；
Auxiliary agent：0.5~3 part.
Preferably, in the mixing step, the filler is in powdered.
Preferably, the raw rubber is any in epoxy resin, polyurethane, ethylene propylene diene rubber, silicon rubber, butyl rubber
Kind.
Preferably, the vulcanizing agent is cumyl peroxide or sulphur.
Preferably, the auxiliary agent is at least one of stearic acid, silane coupling agent.
Preferably, the operation temperature of the step of mixing is 60 to 100 degrees Celsius.
Preferably, the operation temperature of the hot-forming step is 150 to 180 degrees Celsius.
Preferably, the operating pressure of the hot-forming step is 5 to 25 megapascal.
Preferably, 10 to 60 minutes a length of when the operation of the hot-forming step.
According to another aspect of the present invention, a kind of absorbing material is provided, according to the production method of above-mentioned absorbing material
It is made.
Absorbing material according to the present invention and preparation method thereof, filler include manganese-zinc ferrite, Ni-Co ferrite, iron aluminium silicon
At least one of high electromagnetic consumable materials such as alloy, iron aluminum chromium, production can be adjusted by introducing this kind of high electromagnetic consumable material
The electromagnetic performance of product makes it obtain the characteristic for inhaling wave.The raw material of absorbing material further include raw rubber, vulcanizing agent and auxiliary agent etc.,
Wherein raw rubber can provide necessary flexible, HI high impact modulus and environment resistant etc. for product, and the addition of auxiliary agent can improve
Dispersibility of the filler in raw rubber matrix.Therefore, the absorbing material obtained according to the present invention not only has simple suction wave
Characteristic, due also to the introducing of raw rubber has preferably flexible, higher impact strength, preferably environment resistant, due to auxiliary agent
Introducing so that its performance is uniformly dispersed, since the step of hot pressing obtains scheduled shape, e.g. convenience is good, is easily used
Sheet.
In a preferred embodiment, raw rubber, filler, vulcanizing agent, auxiliary agent mass ratio be 100: 100~500: 1~5: 0.5
~3, by controlling the ratio of each component, the most balanced absorbing material of performance can be obtained.
In a preferred embodiment, the filler in mixing step is in powdered, in order to spread more evenly across in raw rubber.
According to absorbing material provided by the invention, can directly make and inhale wave part and use, due to its have it is better soft
Property and ease for use, can also be to make to use with the Meta Materials of wave-sucking performance as base material.
Description of the drawings
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from.
Fig. 1 a are according to the block diagram of the production method for the absorbing material for showing first embodiment of the invention；
Fig. 1 b are according to the schematic diagram of the formula for the absorbing material for showing first embodiment of the invention；
Fig. 2 a are according to the block diagram of the production method for the absorbing material for showing second embodiment of the invention；
Fig. 2 b are according to the schematic diagram of the formula for the absorbing material for showing second embodiment of the invention；
Fig. 3 a are according to the block diagram of the production method for the absorbing material for showing third embodiment of the invention；
Fig. 3 b are according to the schematic diagram of the formula for the absorbing material for showing third embodiment of the invention；
Fig. 4 a are according to the block diagram of the production method for the absorbing material for showing fourth embodiment of the invention；
Fig. 4 b are according to the schematic diagram of the formula for the absorbing material for showing fourth embodiment of the invention.
Specific implementation mode
Hereinafter reference will be made to the drawings is more fully described the present invention.In various figures, identical element is using similar attached
Icon is remembered to indicate.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.In addition, may not show in figure
Go out certain well known parts.
Many specific details of the present invention, such as the structure of component, material, size, processing work is described hereinafter
Skill and technology, to be more clearly understood that the present invention.But it just as the skilled person will understand, can not press
The present invention is realized according to these specific details.
The present invention provides a kind of production method of absorbing material, generally comprises mixing and hot pressing, wherein mixed
It closes in step, raw rubber, filler, vulcanizing agent and auxiliary agent is mixed into mixture, in heat-press step, by said mixture hot pressing
Molding, obtains absorbing material.Raw rubber can provide necessary flexible, HI high impact modulus and environment resistant etc. for product；Filler
Including at least one of high electromagnetic consumable materials such as manganese-zinc ferrite, Ni-Co ferrite, iron alusil alloy, iron aluminum chromium,
The electromagnetic performance of product can be adjusted by introducing this kind of high electromagnetic consumable material, it is made to obtain the characteristic for inhaling wave；The addition of auxiliary agent can
To improve dispersibility of the filler in raw rubber matrix.The production method of absorbing material according to the present invention, it is obtained to inhale wave material
Material, which can directly make, inhales the use of wave part, can also be to make the Meta Materials with wave-sucking performance as base material to use.
Fig. 1 a are according to the block diagram of the production method for the absorbing material for showing first embodiment of the invention, the suction wave of the present embodiment
The production method of material includes step S101 and step S102.
It in step S101, is mixed, i.e., raw rubber, filler, vulcanizing agent and auxiliary agent is mixed into mixture.
In this step, filler may include manganese-zinc ferrite, Ni-Co ferrite, iron alusil alloy, iron aluminum chromium etc.
High electromagnetic consumable material can be one kind in above-mentioned material, it is possibility to have at least two in above-mentioned material mix.
By adjusting the composition of filler, the electromagnetic performance of finally obtained absorbing material can be adjusted, so that it is inhaled wave frequency section and inhales wave
Intensity is accordingly adjusted.
Raw rubber can be any one of epoxy resin, polyurethane, ethylene propylene diene rubber, silicon rubber, butyl rubber etc..?
In absorbing material made from the method for the present invention, filler is scattered in raw rubber, and raw rubber enables to absorbing material to obtain centainly
Flexible, impact resistance and environment resistant.
Vulcanizing agent can be inorganic, e.g. sulphur, can also be organic, e.g. cumyl peroxide, energy
Enough properly increase the heat resistance and resistance to ag(e)ing of obtained absorbing material.
Auxiliary agent can be at least one of stearic acid, silane coupling agent, for improving the filler of high electromagnetic consumable in life
Dispersibility in matrix body.
In this step, raw rubber, filler, vulcanizing agent, auxiliary agent mass fraction be preferably：
Raw rubber：100 parts；
Filler：100~500 parts；
Vulcanizing agent：1~5 part；
Auxiliary agent：0.5~3 part.
By controlling the ratio of each component, the most balanced absorbing material of performance can be obtained.
In addition, in this step, when mixing, the filler was preferably in powdered, in order to spread more evenly across in raw rubber
In.
Fig. 1 b show the schematic diagram of the formula of the absorbing material of the present embodiment, in the present embodiment, by 200 grams of MnZn iron
Ferrite powder is added in 100 grams of epoxy resin, and 2 grams of cumyl peroxides of addition, 0.5 gram of stearic acid and 0.5 gram
Silane coupling agent is mixed, wherein above-mentioned each material can be placed in mixer, is uniformly mixed under 70 degrees Celsius of environment,
Obtain the mixture.
It should be noted that in above-mentioned mixing step, operation temperature is 70 degrees Celsius, can be not limited to the temperature in practice
The present invention may be implemented in degree, 60 to 100 degrees Celsius of operation temperature.
In step s 102, hot pressing is carried out, the mixture that step S101 is obtained is hot-forming, obtains the suction wave of the present invention
Material.
In this step, the mixture can be placed in compression moulding in hot press, after molding, can also carry out drying in the air
It is dry.Wherein, the operation temperature of heat-press step can be 150 to 180 degrees Celsius, and operating pressure can be 5 to 25 megapascal, and operate
Duration can be 10 to 60 minutes.
In the present embodiment, the obtained mixtures of above-mentioned steps S101 are placed in flat-bed press, setting operating pressure is
25 megapascal, hot pressing 30 minutes, are dried after molding under 150 degree celsius temperatures, obtain the absorbing material of finished product.
Absorbing material made from the present embodiment is tested, absorbing material is cut into the specification of 300mm × 300mm,
Reflectivity is tested in anechoic chamber, after tested, 11 to 15Ghz frequencies signal strength be -5dB.
Fig. 2 a, below will be real to second according to the block diagram of the production method for the absorbing material for showing second embodiment of the invention
The difference for applying example and first embodiment illustrates that something in common is no longer described in detail.
The production method of the absorbing material of the present embodiment includes step S201 and step S202.
In step s 201, it is mixed, i.e., raw rubber, filler, vulcanizing agent and auxiliary agent is mixed into mixture.
Fig. 2 b show the schematic diagram of the formula of the absorbing material of the present embodiment, in the present embodiment, by 100 grams of nickel cobalt iron
Ferrite powder is added in 100 grams of ethylene propylene diene rubber, and be added 3 grams of cumyl peroxides, 1.5 grams of stearic acid and
1.5 grams of silane coupling agents are mixed, wherein above-mentioned each material can be placed in mixer, are mixed under 70 degrees Celsius of environment
Uniformly, the mixture is obtained.
In step S202, hot pressing is carried out, the mixture that step S201 is obtained is hot-forming, obtains the suction wave of the present invention
Material.
In the present embodiment, the obtained mixtures of above-mentioned steps S201 are placed in flat-bed press, setting operating pressure is
25 megapascal, hot pressing 10 minutes, are dried after molding under 170 degree celsius temperatures, obtain the absorbing material of finished product.
Absorbing material made from the present embodiment is tested, absorbing material is cut into the specification of 300mm × 300mm,
Reflectivity is tested in anechoic chamber, after tested, 16 to 18Ghz frequencies signal strength be -3dB.
Fig. 3 a, below will be to third reality according to the block diagram of the production method for the absorbing material for showing third embodiment of the invention
The difference for applying example and previous embodiment illustrates that something in common is no longer described in detail.
The production method of the absorbing material of the present embodiment includes step S301 and step S302.
It in step S301, is mixed, i.e., raw rubber, filler, vulcanizing agent and auxiliary agent is mixed into mixture.
Fig. 3 b show the schematic diagram of the formula of the absorbing material of the present embodiment, in the present embodiment, by 300 grams of iron aluminium chromium
Alloy powder is added in 100 grams of silicon rubber, and 4 grams of cumyl peroxides, 3 grams of stearic acid and 3 grams of silane idols are added
Connection agent is mixed, wherein above-mentioned each material can be placed in mixer, is uniformly mixed under 70 degrees Celsius of environment, is obtained institute
State mixture.
In step s 302, hot pressing is carried out, the mixture that step S301 is obtained is hot-forming, obtains the suction wave of the present invention
Material.
In the present embodiment, the obtained mixtures of above-mentioned steps S301 are placed in flat-bed press, setting operating pressure is
25 megapascal, hot pressing 40 minutes, are dried after molding under 175 degree celsius temperatures, obtain the absorbing material of finished product.
Absorbing material made from the present embodiment is tested, absorbing material is cut into the specification of 300mm × 300mm,
Reflectivity is tested in anechoic chamber, after tested, 5 to 8Ghz frequencies signal strength be -8dB.
Fig. 4 a, below will be real to the 4th according to the block diagram of the production method for the absorbing material for showing fourth embodiment of the invention
The difference for applying example and previous embodiment illustrates that something in common is no longer described in detail.
The production method of the absorbing material of the present embodiment includes step S401 and step S402.
It in step S401, is mixed, i.e., raw rubber, filler, vulcanizing agent and auxiliary agent is mixed into mixture.
Fig. 4 b show the schematic diagram of the formula of the absorbing material of the present embodiment, in the present embodiment, by 500 grams of iron aluminium silicon
Alloy powder is added in 100 grams of butyl rubber, and 6 grams of cumyl peroxides, 4 grams of stearic acid and 4 grams of silane are added
Coupling agent is mixed, wherein above-mentioned each material can be placed in mixer, is uniformly mixed, is obtained under 70 degrees Celsius of environment
The mixture.
In step S402, hot pressing is carried out, the mixture that step S401 is obtained is hot-forming, obtains the suction wave of the present invention
Material.
In the present embodiment, the obtained mixtures of above-mentioned steps S401 are placed in flat-bed press, setting operating pressure is
25 megapascal, hot pressing 60 minutes, are dried after molding under 180 degree celsius temperatures, obtain the absorbing material of finished product.
Absorbing material made from the present embodiment is tested, absorbing material is cut into the specification of 300mm × 300mm,
Reflectivity is tested in anechoic chamber, after tested, 2 to 4Ghz frequencies signal strength be -10dB.
According to the test above to the absorbing material obtained by first to fourth embodiment, due to depositing for high electromagnetic consumable filler
There is stronger wave-sucking performance in predetermined band in, absorbing material.
In addition, the absorbing material obtained according to the present invention, not only has simple microwave absorbing property, due also to raw rubber
Introducing has preferably flexible, higher impact strength, preferably environment resistant, since the introducing of auxiliary agent makes its performance disperse
Uniformly, since the step of hot pressing obtains scheduled shape, e.g. convenience is good, the sheet that is easily used.It is mixed by controlling
The ratio of raw rubber, filler, vulcanizing agent, auxiliary agent in step can obtain the most balanced absorbing material of performance.By controlling heat
Selected hot pressing instrument, operation temperature, pressure and duration in step are pressed, a variety of different shapes or thickness can be obtained and can be pasted
Attached absorbing material.
The present invention also provides a kind of absorbing materials, can be according to the production method of the absorbing material of any of the above-described embodiment
It is made.According to above-mentioned test result, absorbing material of the invention has stronger wave-sucking performance in predetermined band, and has both
It is flexible, can adhesion, impact resistance and the characteristics such as environment resistant.The absorbing material of the present invention, which can directly make suction wave part, to be made
With can also be to make the Meta Materials with wave-sucking performance as base material to make due to the better flexible and ease for use that it has
With.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include the other elements being not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
As described above according to the embodiment of the present invention, there is no all details of detailed descriptionthe for these embodiments, also not
Limit the specific embodiment that the invention is only described.Obviously, as described above, can make many modifications and variations.This explanation
These embodiments are chosen and specifically described to book, is in order to preferably explain the principle of the present invention and practical application, belonging to making
Technical field technical staff can utilize modification of the invention and on the basis of the present invention to use well.The present invention is only by right
The limitation of claim and its full scope and equivalent.
Claims (11)
1. a kind of production method of absorbing material, which is characterized in that including：
Raw rubber, filler, vulcanizing agent and auxiliary agent are mixed into mixture；And
The mixture is hot-forming, the absorbing material is obtained,
Wherein, the filler includes at least one of manganese-zinc ferrite, Ni-Co ferrite, iron alusil alloy, iron aluminum chromium.
2. the production method of absorbing material according to claim 1, which is characterized in that the raw rubber, the filler, described
Vulcanizing agent, the auxiliary agent mass fraction be：
Raw rubber：100 parts；
Filler：100~500 parts；
Vulcanizing agent：1~5 part；
Auxiliary agent：0.5~3 part.
3. the production method of absorbing material according to claim 1, which is characterized in that the filler is in powdered.
4. the production method of absorbing material according to claim 1, which is characterized in that the raw rubber is epoxy resin, gathers
Any one of urethane, ethylene propylene diene rubber, silicon rubber, butyl rubber.
5. the production method of absorbing material according to claim 1, which is characterized in that the vulcanizing agent is that peroxidating two is different
Propyl benzene or sulphur.
6. the production method of absorbing material according to claim 1, which is characterized in that the auxiliary agent is stearic acid, silane
At least one of coupling agent.
7. the production method of absorbing material according to claim 1, which is characterized in that the operation temperature the step of mixing
Degree is 60 to 100 degrees Celsius.
8. the production method of absorbing material according to claim 1, which is characterized in that the behaviour of the hot-forming step
It is 150 to 180 degrees Celsius to make temperature.
9. the production method of absorbing material according to claim 1, which is characterized in that the behaviour of the hot-forming step
It is 5 to 25 megapascal to make pressure.
10. the production method of absorbing material according to claim 1, which is characterized in that the hot-forming step
A length of 10 to 60 minutes when operation.
11. a kind of absorbing material, which is characterized in that the making side of the absorbing material according to any of claims 1 to 10
Method is made.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278754.7A CN108727778A (en) | 2017-04-25 | 2017-04-25 | Absorbing material and preparation method thereof |
| PCT/CN2018/079813 WO2018196517A1 (en) | 2017-04-25 | 2018-03-21 | Wave absorbing material and preparation method therefor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710278754.7A CN108727778A (en) | 2017-04-25 | 2017-04-25 | Absorbing material and preparation method thereof |
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| WO (1) | WO2018196517A1 (en) |
Cited By (1)
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|---|---|---|---|---|
| CN111909524A (en) * | 2020-04-16 | 2020-11-10 | 深圳和畅电磁材料有限公司 | Silica gel wave-absorbing material for high-frequency welding and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836904B (en) * | 2019-10-14 | 2022-07-26 | 江苏宝纳电磁新材料有限公司 | Screening method for improving dispersion wettability of flaky wave-absorbing powder |
| CN111251671A (en) * | 2020-02-25 | 2020-06-09 | 南京航天波平电子科技有限公司 | High-performance composite electromagnetic compatibility wave-absorbing material and processing method thereof |
| CN113214638B (en) * | 2021-05-27 | 2022-04-22 | 湖南飞鸿达新材料有限公司 | Wave-absorbing heat-conducting flexible composite material and preparation method thereof |
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