CN105348660A - Composite wave absorbing material and preparation method thereof - Google Patents
Composite wave absorbing material and preparation method thereof Download PDFInfo
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- CN105348660A CN105348660A CN201510725333.5A CN201510725333A CN105348660A CN 105348660 A CN105348660 A CN 105348660A CN 201510725333 A CN201510725333 A CN 201510725333A CN 105348660 A CN105348660 A CN 105348660A
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- 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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
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- 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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- 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
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- 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
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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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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K2201/002—Physical properties
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- 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 composite wave absorbing material. The composite wave absorbing material is mainly composed of a wave absorbing agent and a rubber matrix, the wave absorbing agent is a composed wave absorbing agent composed of carbonyl iron, barium ferrite and carbon black, and the rubber matrix is CPE; the wave absorbing material comprises, by weight, 20-60 parts of carbonyl iron, 20-60 parts of barium ferrite, 20-60 parts of carbon black, 50-100 parts of the CPE, 0.5-5 parts of a stabilizer and 2-15 parts of a plasticizer; and the carbonyl iron, the barium ferrite and the carbon black are nanoparticles respectively, and the particle size range is 1-100nm. The wave absorbing material is mainly prepared through a calendering method, and the method comprises the steps of mixing, tabletting and calendering. The wave absorbing material is prepared through the calendering method by adopting the composite wave absorbing agent composed of the following three wave absorbing agents with absorbing peaks in three different frequency ranges: carbonyl iron, barium ferrite and carbon black, by adopting the CPE as the rubber matrix and by cooperating with proper assistants, so the wave absorbing material can realize multiband and broadband absorbing effects; and the preparation method is simple and is easy to operate.
Description
Technical field
The present invention relates to absorbing material field, more specifically to a kind of composite wave-suction material and preparation method thereof.
Background technology
Electromagnetic wave absorbent material, be called for short absorbing material, a kind of hertzian wave major part projecting its surface can absorption, and electromagnetic energy be converted into heat energy or other forms of energy by the electric or magnetic loss of material and consume, and the composite functional material that reflection, scattering and transmission are all very little.The sorting technique of absorbing material mainly contains four kinds: can be divided into absorption-type and interfere type by suction ripple principle, the former utilizes material itself to utilize top layer and bottom two row reflection wave mutually to interfere counteracting to reduce electromagnetic radiation to electromagnetic absorption, the latter; Resistive, dielectric type and magneticmedium type is divided into by wear out mechanism, silicon carbide, graphite etc. belong to resistor-type, electromagnetic energy mainly decays on material resistance, dissipate with form of thermal energy, barium titanate is dielectric type absorbing material, the relaxation loss decay electromagnetic wave absorption of the main electronic polarization by medium, molecular polarization or interfacial polarization, magnetic loss type absorption agent relies on the Polarization Mechanism decay electromagnetic wave absorptions such as magnetic hysteresis loss, eddy-current loss and residual loss, as ferrite, iron carbonyl etc.; Application type and structure-type is divided into by moulding process, application type is coated on target surface after being mixed with binding agent by absorption agent to form microwave absorbing coating, and absorption agent is normally dispersed in the structural composite material formed in the structured material strengthened by special fibre by structural absorbing mater ials, it has carrying and inhales the dual-use function of ripple; By different study period, absorbing material can be divided into traditional and novel, ferrite, metal fine powder, barium titanate, silicon carbide, graphite, electro-conductive fiber etc. are traditional absorbing material, they have the features such as cost is low, absorption band is narrow, density is large, major objective is strong absorption, the novel wave-absorbing materials such as nano material, polycrystalline iron fiber, conduction high polymer, are required to meet that thickness is thin, working band is wide, lightweight, cohesive strength high.
To offshore company and research institution, in traditional absorbing material, ferrite wave-absorbing material and micro-powder of metals are two kinds and study at most and obtained the absorbing material compared with widespread use.Nano material and polycrystalline iron fiber are then best two kinds of performance in current numerous novel wave-absorbing material.Japan is in rank first in development ferrite wave-absorbing material, the eighties in last century, ferrite wave-absorbing material prepared by Nippon Electric Company, Ltd. (NEC), frequency of utilization is 3 ~ 20GHz, be made up of four kinds of product lines, thickness is 12mm to the maximum, and the thinnest is 2.5mm, develops thickness 1.5 ~ 2.5mm, frequency of utilization 5 ~ 10GHz subsequently, ferrite and Fe that specific absorption reaches 30dB
3o
4the composite wave-suction material of material.The U.S. (Conductron) company development lithium Cd ferrite, absorption peak is 17dB, frequency of utilization at rice to superhigh frequency band.The submicron order polycrystalline iron fiber spary coating type absorbing material of Minnesota Mining and Manufacturing Company's development, have the features such as quality is light, coating is thin, be 25% ~ 30% in absorption agent volume ratio, thickness is in 1mm situation, R<-5dB, area density 1.52kg/m in f (3 ~ 18GHz)
2; The polycrystalline iron fiber microwave absorbing material of GAMMA company, frequency of utilization is 2 ~ 18GHz, successfully develops radar invisible coating, and maximum absorption can reach 34dB.The absorption agent of the IL-Hool coating of TDK company of Japan is ferrite and carbonyl iron dust, when single-layer coating thickness is 2.1mm, and the bandwidth 1.1GHz of in 8 ~ 12GHz range of frequency, meet the demands (R<-10dB), area density 6.5kg/m
2, better performances.The U.S. develops series of thin layered ferrimagnet wave adsorption compound coating by nano material, and is successfully applied to F-117A air fighter.At present, foreign study person and company put forth effort on and improve traditional absorbing material by the mode of multiple absorption agent compound, carry on the exploitation to novel wave-absorbing material and exploration simultaneously, towards the direction stable development of " thin, gently, wide, strong ".
The research of China to absorbing material is started late, and obtains incremental advances in recent decades by the enforcement of State Commission for Restructuring the Economic Systems and National 863 plan.Through domestic open source literature and web search, result is as follows: the scientific and technological achievement " a kind of composite wave-suction material and preparation method thereof " of Inst. of Agricultural Product Processing, Chinese Academy of Tropical Agricultur, described Fe
3o
4nanoparticle embedding Fufen under electrostatic attraction and van der Waals interaction is dispersed in the composite wave-suction material formed in cellulosic matrix, density 1.26g/cm
3, operating frequency 6 ~ 18GHz, absorption peak-13dB, thickness 2mm.The scientific and technological achievement " nano nickel graphite-PMMA composite wave-suction material and preparation method thereof " of Dongguan Gaoneng Magnetic Electricity Technology Co., Ltd., ripple layer thickness 1.5mm inhaled by described matrix material, working frequency range 9.5 ~ 14.6GHz, R≤-10dB.The scientific and technological achievement of Xi'an Huajie Technology Development Co., Ltd. " nano wave adsorption compound coating composition and preparation and spraying method " thereof, described composite coating shield ranges 400MHz ~ 20GHz, absorption peak 26.2dB.The scientific and technological achievement " for Internet of Things perception RF identification flexible electrical magnetic wave composite wave-suction material " of Yibin Jin Yuan matrix material company limited, described 1mm slab-like hertzian wave compound absorbing material in the attenuation by absorption of 0.1MHz ~ 1GHz is :-10dB ~-15dB, this compound electric magnetic wave plate double sticky tape is pasted on 13.56MHz anti-metal RFID label tag, (there is metal object at label back to have interference at label, comparatively strong electromagnetic reflection) condition under, reliable communication distance for design decipherment distance 95%.The scientific and technological achievement " a kind of nickel-copper-zinc ferrite and carbon nano tube composite wave-absorbing material and preparation method thereof " of Dongci Co. Ltd. of Hengdian Group Corp., described composite wave-suction material maximum reflection loss is-15.7 ~-24.8dB, effective bandwidth (reflection loss is less than-8dB) is 1.6 ~ 5.1GHz, thickness 4mm.Dongguan City wins the scientific and technological achievement " a kind of nano wave-absorption curtain coating material and preparation method " of live wire company limited, adopt epoxy acrylic resin, coated wave absorbing agent, thermal shock resistance, water-fast and salt water resistance is functional, and it can reach-6.2dB at 17.5GHz place reflectivity.It is the electromagnetic absorption of 13.56MHz ~ 8GHz that the HFC-1001 series suction ripple material that great rich really electronics novel material company limited of Chongqing City produces is applicable to wave band usually, be specially adapted to the absorption of the tonal noise produced by PCB and RF signal patch and FFC/FPC cable signal platform etc., specific absorption is 6 ~ 10dB, thickness 0.1mm.RX-TGL series absorbing material (0.5mm) that Yibin Jin Yuan matrix material company limited produces uses frequency range 10MHz ~ 30GHz, and peak absorption is-10dB, model RX-TCR and RX-TGL-J material thickness is 0.5mm, and peak absorption value is-15dB.EGT low frequency polymer flake absorbing material R<-7dB under the frequency of 1 ~ 3GHz prepared by Dongxin Micro-Wave Absorbing Material Co., Ltd., Dalian, area density is 5.4kg/m
2, thickness is about 1mm.The model TGTH-060 material that Taizhou Tuogu Super-fine Materials Co., Ltd. produces, thickness 0.6mm, peak absorption value is-9dB.
Known from above-mentioned existing technical investigation, composite wave-suction material is inhaled in wave frequency in adjustment and is had great advantage, and when finding optimal proportion, absorbing property has very large lifting.
Summary of the invention
The present invention seeks to using ferrite, iron carbonyl, graphitized carbon black three kinds of nano particles as composite wave-absorbing agent, using CPE as rubber matrix, preparing can at the absorbing material of wide-band work.
The technical scheme that technical solution problem of the present invention adopts is: a kind of composite wave-suction material, described composite wave-suction material is primarily of wave absorbing agent and rubber matrix composition, described wave absorbing agent is the composite wave-absorbing agent of iron carbonyl, barium ferrite and carbon black composition, and described rubber matrix is CPE; The composition of described absorbing material and the parts by weight of each component as follows:
Iron carbonyl 20 ~ 60 parts
Barium ferrite 20 ~ 60 parts
Carbon black 20 ~ 60 parts
CPE50 ~ 100 part
Stablizer 0.5 ~ 5 part
2 ~ 15 parts, softening agent;
Described iron carbonyl, barium ferrite and carbon black are nano particle, and the particle size range of described iron carbonyl, barium ferrite and carbon black is 1 ~ 100nm.The size of nano wave-absorption agent, between 1 ~ 100nm, much smaller than the electromagnetic wavelength of radar emission, to electromagnetic transmitance far above conventional material, greatly reduces electromagnetic reflectivity.
Further, described stablizer is the wherein one in calcium stearate, barium stearate, lead sulfate tribasic, activated magnesia.
Further, described softening agent is the wherein one in dioctyl terephthalate, dioctyl phthalate (DOP), Octyl adipate, trioctyl trimellitate, Di Iso Decyl Phthalate, diisononyl phthalate, epoxy soybean oil.
A preparation method for composite wave-suction material, described preparation method mainly comprises the steps:
1) it is mixing: after above-mentioned iron carbonyl, barium ferrite, carbon black, CPE, stablizer are mixed according to a certain percentage, add a certain amount of softening agent, adopt mill or Banbury mixer to proceed mixing, after each wave absorbing agent, CPE and rubber ingredients being mixed, obtain rubber unvulcanizate;
2) compressing tablet: the rubber unvulcanizate that above-mentioned steps 1 obtains is pressed into certain thickness sheet material;
3) roll: the sheet material that above-mentioned steps 2 obtains is put into rolling press and rolls, obtain that there is certain thickness absorbing material.
Further, described in prepare absorbing material thickness range be 2.0 ~ 2.5mm, area density scope is 0.4 ~ 0.5g/cm
2.
Further, in described step 1, the temperature opening refining or banburying is 80 ~ 110 DEG C.
Ferrite Wave suction composite material is existing certain specific inductivity and dielectric loss, has again two composite dielectrics of certain magnetic permeability and magnetic loss.It is apart from outside electron resonance loss, also has the characteristics such as the distinctive domain wall resonance loss of ferrite, magnetic moment natural resonance loss and particle resonant loss.Nano magnetic ferrite body is due to advantages such as its low in raw material price and preparation method are relatively simple, and absorption peak is at high band; Iron carbonyl has good wave absorbtion in 3GHz frequency range; Graphitized carbon black has good wave absorbtion at Mid Frequency.
The invention has the beneficial effects as follows: compared with prior art, the present invention adopts iron carbonyl, barium ferrite and carbon black these three kinds to have the wave absorbing agent composition composite wave-absorbing agent of absorption peak at different frequency range, there is the features such as absorbing property is good, absorption band is wide, compatibility is good, quality is light, thickness is thin, be much better than conventional wave absorbing agent; Adopt CPE as rubber matrix and coordinate suitable auxiliary agent, preparing absorbing material by rolling process; This absorbing material can reach multiband, wide band assimilation effect, and this preparation method is simple, easy to operate.
Embodiment
Below in conjunction with embodiment, illustrate the present invention further, following embodiment should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.
Embodiment 1
A kind of composite wave-suction material, described composite wave-suction material is primarily of wave absorbing agent and rubber matrix composition, and described wave absorbing agent is the composite wave-absorbing agent of iron carbonyl, barium ferrite and carbon black composition, and described rubber matrix is CPE; The composition of described absorbing material and the parts by weight of each component as follows:
Iron carbonyl 20 parts
Barium ferrite 60 parts
Carbon black 20 parts
CPE50 part
Calcium stearate 0.5 part
Epoxy soybean oil 4 parts;
Described iron carbonyl, barium ferrite and carbon black are nano particle, and the particle size range of described iron carbonyl, barium ferrite and carbon black is 1 ~ 100nm.
The preparation method of above-mentioned absorbing material mainly comprises the steps:
1) mixing: after above-mentioned iron carbonyl, barium ferrite, carbon black, CPE, stablizer being mixed according to a certain percentage, to add a certain amount of softening agent, adopt mill or Banbury mixer to proceed mixing, the temperature opening refining or banburying is 80 ~ 110 DEG C; After each wave absorbing agent, CPE and rubber ingredients being mixed, obtain rubber unvulcanizate;
2) compressing tablet: the rubber unvulcanizate that above-mentioned steps 1 obtains is pressed into certain thickness sheet material;
3) roll: the sheet material that above-mentioned steps 2 obtains is put into rolling press and rolls, obtain that there is certain thickness absorbing material.
The above-mentioned thickness preparing absorbing material is 2.1mm, and area density scope is 0.41g/cm
2, absorption peak is 14.3dB, and peak point is 13.4dB ,-20dB bandwidth be 1.3GHz ,-15dB bandwidth is 7.0GHz.
Embodiment 2
A kind of composite wave-suction material, the composition of described absorbing material and the parts by weight of each component as follows:
Iron carbonyl 30 parts
Barium ferrite 50 parts
Carbon black 30 parts
CPE65 part
Calcium stearate 1.2 parts
Trioctyl trimellitate 6 parts;
Described iron carbonyl, barium ferrite and carbon black are nano particle, and the particle size range of described iron carbonyl, barium ferrite and carbon black is 1 ~ 100nm.
The preparation method of above-mentioned absorbing material is with embodiment 1.
The above-mentioned thickness preparing absorbing material is 2.0mm, and area density scope is 0.44g/cm
2, absorption peak is 13.3dB, and peak point is 12.1dB ,-20dB bandwidth be 1.4GHz ,-15dB bandwidth is 4.8GHz.
Embodiment 3
A kind of composite wave-suction material, the composition of described absorbing material and the parts by weight of each component as follows:
Iron carbonyl 40 parts
Barium ferrite 40 parts
Carbon black 40 parts
CPE75 part
Calcium stearate 2.3 parts
Trioctyl trimellitate 9 parts;
Described iron carbonyl, barium ferrite and carbon black are nano particle, and the particle size range of described iron carbonyl, barium ferrite and carbon black is 1 ~ 100nm.
The preparation method of above-mentioned absorbing material is with embodiment 1.
The above-mentioned thickness preparing absorbing material is 2.2mm, and area density scope is 0.42g/cm
2, absorption peak is 13.5dB, and peak point is 12.5dB ,-20dB bandwidth be 1.2GHz ,-15dB bandwidth is 6.5GHz.
Embodiment 4
A kind of composite wave-suction material, the composition of described absorbing material and the parts by weight of each component as follows:
Iron carbonyl 50 parts
Barium ferrite 30 parts
Carbon black 50 parts
CPE85 part
Activated magnesia 3.5 parts
Trioctyl trimellitate 12 parts;
Described iron carbonyl, barium ferrite and carbon black are nano particle, and the particle size range of described iron carbonyl, barium ferrite and carbon black is 1 ~ 100nm.
The preparation method of above-mentioned absorbing material is with embodiment 1.
The above-mentioned thickness preparing absorbing material is 2.3mm, and area density scope is 0.43g/cm
2, absorption peak is 12.2dB, and peak point is 13.1dB ,-20dB bandwidth be 2.0GHz ,-15dB bandwidth is 5.2GHz.
Embodiment 5
A kind of composite wave-suction material, the composition of described absorbing material and the parts by weight of each component as follows:
Iron carbonyl 60 parts
Barium ferrite 20 parts
Carbon black 60 parts
CPE100 part
Activated magnesia 5 parts
Trioctyl trimellitate 15 parts;
Described iron carbonyl, barium ferrite and carbon black are nano particle, and the particle size range of described iron carbonyl, barium ferrite and carbon black is 1 ~ 100nm.
The preparation method of above-mentioned absorbing material is with embodiment 1.
The above-mentioned thickness preparing absorbing material is 2.4mm, and area density scope is 0.41g/cm
2, absorption peak is 11.6dB, and peak point is 14.2dB ,-20dB bandwidth be 2.2GHz ,-15dB bandwidth is 5.8GHz.
Above embodiment is only for illustration of the present invention; and be not limitation of the present invention; person of ordinary skill in the field should understand; any improvement in the present invention; to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention; all belong to category of the present invention, scope of patent protection of the present invention should be defined by the claims.
Claims (6)
1. a composite wave-suction material, is characterized in that: described composite wave-suction material is primarily of wave absorbing agent and rubber matrix composition, and described wave absorbing agent is the composite wave-absorbing agent of iron carbonyl, barium ferrite and carbon black composition, and described rubber matrix is CPE; The composition of described absorbing material and the parts by weight of each component as follows:
Iron carbonyl 20 ~ 60 parts
Barium ferrite 20 ~ 60 parts
Carbon black 20 ~ 60 parts
CPE50 ~ 100 part
Stablizer 0.5 ~ 5 part
2 ~ 15 parts, softening agent;
Described iron carbonyl, barium ferrite and carbon black are nano particle, and the particle size range of described iron carbonyl, barium ferrite and carbon black is 1 ~ 100nm.
2. a kind of composite wave-suction material according to claim 1, is characterized in that: described stablizer is the wherein one in calcium stearate, barium stearate, lead sulfate tribasic, activated magnesia.
3. a kind of composite wave-suction material according to claim 1, is characterized in that: described softening agent is the wherein one in dioctyl terephthalate, dioctyl phthalate (DOP), Octyl adipate, trioctyl trimellitate, Di Iso Decyl Phthalate, diisononyl phthalate, epoxy soybean oil.
4. a preparation method for the composite wave-suction material according to claim 1 or 2 or 3, it is characterized in that, described preparation method mainly comprises the steps:
1) it is mixing: after above-mentioned iron carbonyl, barium ferrite, carbon black, CPE, stablizer are mixed according to a certain percentage, add a certain amount of softening agent, adopt mill or Banbury mixer to proceed mixing, after each wave absorbing agent, CPE and auxiliary agent being mixed, obtain rubber unvulcanizate;
2) compressing tablet: the rubber unvulcanizate that above-mentioned steps 1 obtains is pressed into certain thickness sheet material;
3) roll: the sheet material that above-mentioned steps 2 obtains is put into rolling press and rolls, obtain that there is certain thickness absorbing material.
5. the preparation method of composite wave-suction material according to claim 4, is characterized in that: described in prepare absorbing material thickness range be 2.0 ~ 2.5mm, area density scope is 0.4 ~ 0.5g/cm
2.
6. the preparation method of composite wave-suction material according to claim 4, is characterized in that: in described step 1, and the temperature opening refining or banburying is 80 ~ 110 DEG C.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064837A (en) * | 2016-05-27 | 2016-11-02 | 芜湖迈科威特新材料有限公司 | A kind of China Mobile 4G full frequency band absorbing material, Preparation Method And The Use |
| CN107025968A (en) * | 2016-12-16 | 2017-08-08 | 邯郸学院 | A kind of magnetic nanometer composite material |
| CN107177036A (en) * | 2017-04-14 | 2017-09-19 | 西北工业大学 | The preparation method of carbonyl iron@silica@polypyrrole tri compound absorbing materials |
| CN108102393A (en) * | 2017-12-20 | 2018-06-01 | 合肥工业大学 | A kind of preparation method of the electromagnetic wave absorbent material based on ferrite solid waste |
| CN109651799A (en) * | 2018-12-19 | 2019-04-19 | 航天科工武汉磁电有限责任公司 | Wave absorbing patch, preparation method and its application |
| CN110256852A (en) * | 2019-07-01 | 2019-09-20 | 深圳市麟富科技有限公司 | The special type composite material and production technology and purposes of a kind of absorption of electromagnetic radiation |
| CN110435032A (en) * | 2019-09-03 | 2019-11-12 | 北京中石伟业科技无锡有限公司 | A kind of electromagnetic-wave absorbing rubber calendering process |
| CN112029421A (en) * | 2020-09-11 | 2020-12-04 | 航天特种材料及工艺技术研究所 | Wave-absorbing adhesive film material and preparation method thereof |
| CN114933800A (en) * | 2022-05-13 | 2022-08-23 | 哈尔滨理工大学 | Nano ferrite/liquid silicon rubber radar wave-absorbing composite material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1767757A (en) * | 2005-09-16 | 2006-05-03 | 浙江工业大学 | Electromagnetic wave absorbing material |
| JP2006290916A (en) * | 2005-04-05 | 2006-10-26 | Mitsui Chemicals Inc | Rubber composition and its use |
| CN103601482A (en) * | 2013-11-26 | 2014-02-26 | 北矿磁材科技股份有限公司 | Preparation method of wave-absorbing material for ETC (electronic toll collection) |
-
2015
- 2015-11-02 CN CN201510725333.5A patent/CN105348660A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006290916A (en) * | 2005-04-05 | 2006-10-26 | Mitsui Chemicals Inc | Rubber composition and its use |
| CN1767757A (en) * | 2005-09-16 | 2006-05-03 | 浙江工业大学 | Electromagnetic wave absorbing material |
| CN103601482A (en) * | 2013-11-26 | 2014-02-26 | 北矿磁材科技股份有限公司 | Preparation method of wave-absorbing material for ETC (electronic toll collection) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064837B (en) * | 2016-05-27 | 2017-11-07 | 芜湖迈科威特新材料有限公司 | A kind of China Mobile 4G full frequency band absorbing materials, preparation method and the usage |
| CN106064837A (en) * | 2016-05-27 | 2016-11-02 | 芜湖迈科威特新材料有限公司 | A kind of China Mobile 4G full frequency band absorbing material, Preparation Method And The Use |
| CN107025968A (en) * | 2016-12-16 | 2017-08-08 | 邯郸学院 | A kind of magnetic nanometer composite material |
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