CN106961827A - Multi-layer structured wave absorbing elastomeric material and preparation method thereof - Google Patents
Multi-layer structured wave absorbing elastomeric material and preparation method thereof Download PDFInfo
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- CN106961827A CN106961827A CN201710278219.1A CN201710278219A CN106961827A CN 106961827 A CN106961827 A CN 106961827A CN 201710278219 A CN201710278219 A CN 201710278219A CN 106961827 A CN106961827 A CN 106961827A
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- layer
- absorbing
- elastomeric material
- wave absorbing
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- 239000013536 elastomeric material Substances 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 49
- 229920001971 elastomer Polymers 0.000 claims abstract description 38
- 239000005060 rubber Substances 0.000 claims abstract description 38
- 239000011358 absorbing material Substances 0.000 claims abstract description 36
- 238000000465 moulding Methods 0.000 claims abstract description 22
- 238000013461 design Methods 0.000 claims description 37
- 239000011159 matrix material Substances 0.000 claims description 21
- 229920002379 silicone rubber Polymers 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 15
- 238000013329 compounding Methods 0.000 claims description 10
- 239000004615 ingredient Substances 0.000 claims description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003814 drug Substances 0.000 claims description 9
- 229940079593 drug Drugs 0.000 claims description 9
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 6
- 239000004917 carbon fiber Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 229910000859 α-Fe Inorganic materials 0.000 claims description 5
- 229920000767 polyaniline Polymers 0.000 claims description 4
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- PSGVPYYWXUPRSX-UHFFFAOYSA-M [Ni]O Chemical compound [Ni]O PSGVPYYWXUPRSX-UHFFFAOYSA-M 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910002113 barium titanate Inorganic materials 0.000 claims description 3
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229920002943 EPDM rubber Polymers 0.000 claims description 2
- 244000043261 Hevea brasiliensis Species 0.000 claims description 2
- 239000005062 Polybutadiene Substances 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 2
- SAXCKUIOAKKRAS-UHFFFAOYSA-N cobalt;hydrate Chemical compound O.[Co] SAXCKUIOAKKRAS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 229940087654 iron carbonyl Drugs 0.000 claims description 2
- 229920003052 natural elastomer Polymers 0.000 claims description 2
- 229920001194 natural rubber Polymers 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 2
- 229920002857 polybutadiene Polymers 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 229910052788 barium Inorganic materials 0.000 claims 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- -1 iron carbonyl Chemical compound 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 238000004073 vulcanization Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 169
- DMWVYCCGCQPJEA-UHFFFAOYSA-N 2,5-bis(tert-butylperoxy)-2,5-dimethylhexane Chemical group CC(C)(C)OOC(C)(C)CCC(C)(C)OOC(C)(C)C DMWVYCCGCQPJEA-UHFFFAOYSA-N 0.000 description 18
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 description 18
- 239000004945 silicone rubber Substances 0.000 description 18
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical group [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 18
- 230000035882 stress Effects 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000002310 reflectometry Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0088—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a plurality of shielding layers; combining different shielding material structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
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- B32B9/007—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising one layer of ceramic material, e.g. porcelain, ceramic tile comprising carbon, e.g. graphite, composite carbon
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- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/043—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of natural rubber or synthetic rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Thermal Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Laminated Bodies (AREA)
Abstract
Multi-layer structured wave absorbing elastomeric material of the present invention and preparation method thereof, is related to the electromagnetic-wave absorbing rubber material and preparation method of a kind of absorbing material, specially sandwich construction.The resistance gradual changing structure absorbing material that multi-layer structured wave absorbing elastomeric material is made up of the elastomeric material of at least two layers different absorbing properties, is not limited in the specific number of plies；Many Rotating fields electromagnetic-wave absorbing rubber materials of the present invention include when being two layers：Bottom and middle top layer；The number of plies of multi-layer structured wave absorbing elastomeric material of the present invention includes when being more than two layers：Bottom, at least one layer of intermediate layer and top layer；Integral die sulfidization molding after described multi-layer structured wave absorbing elastomeric material combination.The present invention have structure novelty, simple processing, easy to use, wave-absorbing effect is good, profile is neat, be easily installed, it is elegant in appearance the features such as, therefore belong to a kind of new multiple layered structures electromagnetic-wave absorbing rubber material for integrating economy and practicality and preparation method thereof.
Description
Technical field
Multi-layer structured wave absorbing elastomeric material of the present invention and preparation method thereof, is related to a kind of absorbing material, is specially
The electromagnetic-wave absorbing rubber material and preparation method of sandwich construction.
Background technology
Absorbing material can be divided into coating-type and the major class of structural type two by moulding process and bearing capacity.Coating-type inhales ripple material
Material is that microwave absorbing coating formed by target surface is coated on after binding agent is mixed with wave absorbing agent, this kind of absorbing material construction letter
Easily and to object profile strong adaptability, but this antiradar coatings generally existing easy to fall off, maintenance cost high, inhale wave frequency section by
The influence relative narrower of thickness, requires high to wave absorbing agent, thus is difficult to reach that absorption is strong, bandwidth, light weight, thickness of thin, work(
Demand for development more than energy.
Structural absorbing mater ials are typically that one kind that wave absorbing agent and specific matrix material are combined and prepared is multi-functional
Composite.Wherein wave absorbing agent provide inhale ripple necessary to electromagnetic performance, matrix material not only have bearing capacity, high temperature resistant,
The physical property such as weather-proof, while determining propagation condition of the electromagnetic wave in material internal, thus is carried out reasonably to matrix material
Structure design can be effectively improved the absorbing property of material.Conventional matrix material structure form is mainly multi-layer planar knot at present
Structure, loose structure, pyramidal structure etc..
Multilayer absorbent structure can design freedom be big, is easy to widening frequency band, reduces surface density, is suitable for engineer applied.Institute
With, in recent years to widen the suction wave frequency band of absorbing material, improved using new material and multi-layer compound structure wave-absorbing effect and
Widening absorption band turns into the emphasis of research.
At present, most of absorbing material can only absorb the electromagnetic wave of one or more of frequencies, and multilayer material is used mostly
The assembling modes such as gluing, splicing, coating.Gluing mode can add non-suction ripple class material adhesive, influence absorbing property；Splicing side
Formula needs extra fixing device；Coating way there is coating layer thickness heterogeneity and it is possible that coating shedding situation, causes
Absorbing property is unstable.
For it is above-mentioned the problems of in the prior art, a kind of new multi-layer structured wave absorbing rubber material of research and design
Material, so that it is the problems of in the prior art very necessary to overcome.
The content of the invention
In view of it is above-mentioned the problems of in the prior art, the purpose of the present invention is a kind of new multilayer knot of research and design
Structure electromagnetic-wave absorbing rubber material.To solve present in prior art：1st, gluing mode can add non-suction ripple class material adhesive, shadow
Ring absorbing property；2nd, connecting method needs extra fixing device；3rd, there is coating layer thickness heterogeneity and may in coating way
There is coating shedding situation, cause the problems such as absorbing property is unstable.
What the technical solution of the present invention was realized in：
Multi-layer structured wave absorbing elastomeric material of the present invention, it is characterised in that described multi-layer structured wave absorbing elastomeric material
The resistance gradual changing structure absorbing material being made up of the elastomeric material of at least two layers different absorbing properties, is not limited in certain layer
Number；
Many Rotating fields electromagnetic-wave absorbing rubber materials of the present invention include when being two layers：Bottom and top layer；
The number of plies of multi-layer structured wave absorbing elastomeric material of the present invention includes when being more than two layers：In bottom, at least one layer
Interbed and top layer；
Bottom of the present invention can be one kind in suction ripple layer, reflecting layer, fixed bed three types.
Intermediate layer of the present invention is suction ripple layer.
Top layer of the present invention can be one kind in suction ripple layer, overcoat and wave permeation layer three types.
Top layer of the present invention can be the profiles such as flat board, pyramid, circular cone.
It is made up when bottom of the present invention is by reflecting layer of metal material, described metal material is aluminium, copper, steel, aluminium
One kind in alloy.
Resistance gradual changing structure absorbing material of the present invention is made up of following components by weight：
Rubber matrix：100 parts；
Wave-absorbing powder：0-800 parts；
Compounding ingredient：2-15 parts；
Rubber matrix of the present invention be neoprene, ethylene propylene diene rubber, silicon rubber, natural rubber, butadiene-styrene rubber,
At least one in butadiene rubber.
The particle diameter of wave-absorbing powder of the present invention be 0.5-100 micron, the wave-absorbing powder be ferrite, carbonyl iron,
In iron carbonyl, hydroxyl nickel, hydroxyl cobalt, electrically conductive polyaniline, barium titanate, graphite, carbon fiber, conductive black, carborundum, silicon nitride
It is at least one.
Compounding ingredient of the present invention includes the conventional cooperation of the rubbers such as vulcanizing agent, accelerator, age resistor, activating agent
Agent, depending on every kind of compounding ingredient parts by weight are according to rubber types used.
Nonrubber class absorbing material can be set between the every Rotating fields of multi-layer structured wave absorbing elastomeric material of the present invention
Thin slice；Nonrubber class absorbing material thin slice is by ferrite, electrically conductive polyaniline, barium titanate, graphite, carbon fiber, silicon carbide fibre
In a kind of loose structure thin slice being made, thickness is 0.3-5mm.
The preparation method of multi-layer structured wave absorbing elastomeric material of the present invention, it is characterised in that described preparation method
For：
A, according to parameter request, design the required number of plies and per layer material:
According to frequency bandwidth, absorptivity and the thickness for inhaling ripple requirement, the number of plies of multi-layer structured wave absorbing elastomeric material is designed
And to the electromagnetic parameter of each layer material, be in optimized selection and set by principles such as impedance matching, loss characteristic, high-absorbilities
Meter；
B, according to A design by every layer of rubber matrix, wave-absorbing powder and coordinate drug kneaded by the parts by weight, obtain
To the elastomeric compound of every layer material, 12h is parked：
Bottom：(1) to inhale during ripple layer, it is made up of rubber matrix, wave absorbing agent and compounding ingredient；
(2) when being reflecting layer, it is made up of metal material；
(3) when being fixed bed, it is made by inhaling ripple layer material, gum realization can be attached and be adhered fixed function, can also be set
It is calculated as the special shape with fixing function；
Intermediate layer：To inhale ripple layer, it is made up of rubber matrix, wave absorbing agent and compounding ingredient；
Top layer：(1) to inhale during ripple layer, it is made up of rubber matrix, wave absorbing agent and compounding ingredient；
(2) when being overcoat, it is designed as on the basis of ripple layer material is inhaled and air Impedance matching and ageing-resistant performance is strong
Protective layer；
(3) be wave permeation layer when, from rubber matrix, with agent material be made；
C, the elastomeric compound per layer material is rolled according to the size of design and mixed sheet is cut into；
D, the film is combined according to the structure of design after be molded sulfidization molding；It is molded sulfidization molding technological parameter
For：150-170 DEG C of curing temperature, sulfide stress 5-10MPa, cure time 10-15min.
It is an advantage of the invention that it will be apparent that being mainly manifested in：
1st, the present invention can design and produce the number of plies as needed, it is ensured that wave-absorbing effect；
2nd, nonrubber class absorbing material thin slice can be added between every layer of the present invention, it is possible to increase absorbing property；
3rd, bottom and top layer of the invention can be arranged as required into difference in functionality, it is ensured that wave-absorbing effect；
4th, designability of the present invention is strong, can be arbitrarily devised in wider frequency rate section, it is ensured that wave-absorbing effect；
5th, the present invention is according to specific size design, then overall sulfidization molding, it is ensured that overall dimensions and every layer of size being capable of essences
Really control, while ensuring to inhale wave energy and installation effect；
6th, the overall sulfidization molding of the present invention, profile, which is integral, to be avoided using adhesive and face coat, is not come off and is asked
Topic.
The present invention has structure novelty, simple processing, easy to use, wave-absorbing effect is good, profile is neat, be easily installed, U.S.
The advantages of seeing generous, its high-volume, which puts goods on the market, will produce positive social benefit and significant economic benefit.
Brief description of the drawings
The present invention has 6 width accompanying drawings, wherein：
Accompanying drawing 1 is double-layer structure schematic diagram of the present invention；
Accompanying drawing 2 is three-decker schematic diagram of the present invention；
Accompanying drawing 3 is five-layer structure schematic diagram of the present invention；
Accompanying drawing 4 carries the three-decker schematic diagram of nonrubber class absorbing material thin slice for the present invention；
Accompanying drawing 5 is nonrubber class absorbing material flake structure schematic diagram of the present invention.
Accompanying drawing 6 is three layers of pyramid of the invention and conical structure schematic diagram.
In figure：1st, bottom 2, intermediate layer 3, top layer 4, nonrubber class absorbing material thin slice.
Embodiment
Embodiment 1
As shown in drawings, multi-layer structured wave absorbing elastomeric material is by least two layers different wave absorbtion for the specific embodiment of the present invention
The resistance gradual changing structure absorbing material that the elastomeric material of energy is made, is not limited in the specific number of plies；
Multi-layer structured wave absorbing elastomeric material includes when being two layers：Bottom 1 and top layer 3；
Bottom 1 is fixed bed：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：500 parts；
Zinc stearate：2 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1 part.
Ripple layer is is inhaled in top layer 3, and composition is：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：300 parts；
Zinc stearate：3 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.2 parts.
Multi-layer structured wave absorbing elastomeric material is in 10-15GHz frequency ranges reflectivity≤- 15dB.
The preparation method of multi-layer structured wave absorbing elastomeric material is：
A, according to parameter request, be designed as two layers of electromagnetic-wave absorbing rubber material；
B, according to A design by every layer of rubber matrix, wave-absorbing powder and coordinate drug kneaded by the parts by weight, obtain
To the elastomeric compound of every layer material, 12h is parked；
C, the elastomeric compound per layer material is rolled according to the size of design and mixed sheet is cut into；
D, the film is combined according to the structure of design after be molded sulfidization molding；It is molded sulfidization molding technological parameter
For：160 DEG C of curing temperature, sulfide stress 8MPa, cure time 10min.
Embodiment 2
As shown in drawings, multi-layer structured wave absorbing elastomeric material is by least two layers different wave absorbtion for the specific embodiment of the present invention
The resistance gradual changing structure absorbing material that the elastomeric material of energy is made, is not limited in the specific number of plies；
Multi-layer structured wave absorbing elastomeric material includes when being two layers：Bottom 1 and top layer 3；
Bottom 1 is fixed bed：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：400 parts；
Zinc stearate：2.5 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1 part.
Ripple layer is is inhaled in top layer 3, and top layer is pyramid type, and composition is：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：200 parts；
Zinc stearate：3 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.2 parts.
Nonrubber class absorbing material thin slice 4 is provided between bottom and intermediate layer；Nonrubber class absorbing material thin slice 4 be by
The loose structure thin slice that graphite is made.
Multi-layer structured wave absorbing elastomeric material is in 12-18GHz frequency ranges reflectivity≤- 10dB.
The preparation method of multi-layer structured wave absorbing elastomeric material is：
A, according to parameter request, be designed as two layers of middle entrainment medium structure electromagnetic-wave absorbing rubber material；
B, according to A design by every layer of rubber matrix, wave-absorbing powder and coordinate drug kneaded by the parts by weight, obtain
To the elastomeric compound of every layer material, 12h is parked；
C, the elastomeric compound per layer material is rolled according to the size of design and mixed sheet is cut into；
D, the film is combined according to the structure of design after be molded sulfidization molding；It is molded sulfidization molding technological parameter
For：155 DEG C of curing temperature, sulfide stress 10MPa, cure time 12min.
Embodiment 3
As shown in drawings, multi-layer structured wave absorbing elastomeric material is by least two layers different wave absorbtion for the specific embodiment of the present invention
The resistance gradual changing structure absorbing material that the elastomeric material of energy is made, is not limited in the specific number of plies；
The number of plies of multi-layer structured wave absorbing elastomeric material includes when being more than two layers：Bottom 1, at least one layer of intermediate layer 2 and top layer
3；
Bottom 1 is fixed bed：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：600 parts；
Zinc stearate：1.5 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1 part.
Intermediate layer 2 is suction ripple layer：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：400 parts；
Zinc stearate：2 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.3 parts.
Top layer 3 is wave permeation layer：
Methyl vinyl silicone rubber：100 parts；
Carbon black：30 parts；
Zinc stearate：4 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.5 parts.
Multi-layer structured wave absorbing elastomeric material is in 5-15GHz frequency ranges reflectivity≤- 10dB.
The preparation method of multi-layer structured wave absorbing elastomeric material is：
A, according to parameter request, be designed as three-decker electromagnetic-wave absorbing rubber material；
B, according to A design by every layer of rubber matrix, wave-absorbing powder and coordinate drug kneaded by the parts by weight, obtain
To the elastomeric compound of every layer material, 12h is parked；
C, the elastomeric compound per layer material is rolled according to the size of design and mixed sheet is cut into；
D, the film is combined according to the structure of design after be molded sulfidization molding；It is molded sulfidization molding technological parameter
For：155 DEG C of curing temperature, sulfide stress 8MPa, cure time 15min.
Embodiment 4
As shown in drawings, multi-layer structured wave absorbing elastomeric material is by least two layers different wave absorbtion for the specific embodiment of the present invention
The resistance gradual changing structure absorbing material that the elastomeric material of energy is made, is not limited in the specific number of plies；
The number of plies of multi-layer structured wave absorbing elastomeric material includes when being more than two layers：Bottom 1, at least one layer of intermediate layer 2 and top layer 3
Bottom 1 is suction ripple layer：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：500 parts；
Zinc stearate：1.5 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1 part.
Intermediate layer 2 is suction ripple layer：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：300 parts；
Zinc stearate：2 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.3 parts.
Top layer 3 is overcoat：
Methyl vinyl silicone rubber：100 parts；
Carbon black：20 parts
Titanium dioxide：5 parts
Zinc stearate：3 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.5 parts.
Nonrubber class absorbing material thin slice 4 is provided between top layer and intermediate layer；Nonrubber class absorbing material thin slice 4 be by
The loose structure thin slice that ferrite is made.
Multi-layer structured wave absorbing elastomeric material is in 10-18GHz frequency ranges reflectivity≤- 15dB.
The preparation method of multi-layer structured wave absorbing elastomeric material is：
A, according to parameter request, be designed as entrainment medium structure electromagnetic-wave absorbing rubber materials in the middle of three layers；
B, according to A design by every layer of rubber matrix, wave-absorbing powder and coordinate drug kneaded by the parts by weight, obtain
To the elastomeric compound of every layer material, 12h is parked；
C, the elastomeric compound per layer material is rolled according to the size of design and mixed sheet is cut into；
D, the film is combined according to the structure of design after be molded sulfidization molding；It is molded sulfidization molding technological parameter
For：150 DEG C of curing temperature, sulfide stress 5MPa, cure time 15min.
Embodiment 5
As shown in drawings, multi-layer structured wave absorbing elastomeric material is by least two layers different wave absorbtion for the specific embodiment of the present invention
The resistance gradual changing structure absorbing material that the elastomeric material of energy is made, is not limited in the specific number of plies；
The number of plies of multi-layer structured wave absorbing elastomeric material includes when being more than two layers：Bottom 1, at least one layer of intermediate layer 2 and top layer
3；
Bottom 1 is fixed bed：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：500 parts；
Zinc stearate：2 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1 part.
Intermediate layer 2 is suction ripple layer：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：300 parts；
Zinc stearate：3 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.3 parts.
Ripple layer is is inhaled in top layer 3, and top layer is flat board cone：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：200 parts；
Zinc stearate：4 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.5 parts.
Nonrubber class absorbing material thin slice 4 is provided between bottom and intermediate layer；Nonrubber class absorbing material thin slice 4 be by
The loose structure thin slice that carbon fiber is made.
Multi-layer structured wave absorbing elastomeric material is in 8-18GHz frequency ranges reflectivity≤- 15dB.
The preparation method of multi-layer structured wave absorbing elastomeric material is：
A, according to parameter request, be designed as entrainment medium structure electromagnetic-wave absorbing rubber materials in the middle of three layers；
B, according to A design by every layer of rubber matrix, wave-absorbing powder and coordinate drug kneaded by the parts by weight, obtain
To the elastomeric compound of every layer material, 12h is parked；
C, the elastomeric compound per layer material is rolled according to the size of design and mixed sheet is cut into；
D, the film is combined according to the structure of design after be molded sulfidization molding；It is molded sulfidization molding technological parameter
For：170 DEG C of curing temperature, sulfide stress 8MPa, cure time 15min.
Embodiment 6
As shown in drawings, multi-layer structured wave absorbing elastomeric material is by least two layers different wave absorbtion for the specific embodiment of the present invention
The resistance gradual changing structure absorbing material that the elastomeric material of energy is made, is not limited in the specific number of plies；
The number of plies of multi-layer structured wave absorbing elastomeric material includes when being more than two layers：Bottom 1, at least one layer of intermediate layer 2 and top layer
3；
Bottom 1 is reflecting layer：
Aluminium alloy plate
Intermediate layer 2 is suction ripple layer：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：400 parts；
Zinc stearate：2 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.3 parts.
Top layer 3 is overcoat：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：200 parts；
Titanium dioxide：15 parts
Zinc stearate：4 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.5 parts.
Nonrubber class absorbing material thin slice 4 is provided between top layer and intermediate layer；Nonrubber class absorbing material thin slice 4 be by
The loose structure thin slice that hydroxyl nickel is made.
Multi-layer structured wave absorbing elastomeric material is in 10-25GHz frequency ranges reflectivity≤- 10dB.
The preparation method of multi-layer structured wave absorbing elastomeric material is：
A, according to parameter request, design the required number of plies and per layer material；
B, according to A design by every layer of rubber matrix, wave-absorbing powder and coordinate drug kneaded by the parts by weight, obtain
To the elastomeric compound of every layer material, 12h is parked；
C, the elastomeric compound per layer material is rolled according to the size of design and mixed sheet is cut into；
D, the film is combined according to the structure of design after be molded sulfidization molding；It is molded sulfidization molding technological parameter
For：160 DEG C of curing temperature, sulfide stress 10MPa, cure time 12min.
Embodiment 7
As shown in drawings, multi-layer structured wave absorbing elastomeric material is by least two layers different wave absorbtion for the specific embodiment of the present invention
The resistance gradual changing structure absorbing material that the elastomeric material of energy is made, is not limited in the specific number of plies；
The number of plies of multi-layer structured wave absorbing elastomeric material includes when being more than two layers：Bottom 1, at least one layer of intermediate layer 2 and top layer
3；
Bottom 1 is fixed bed：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：600 parts；
Zinc stearate：1.5 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1 part.
Intermediate layer 2 is suction ripple layer：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：400 parts；
Zinc stearate：2 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.3 parts.
Top layer 3 is suction ripple layer：
Methyl vinyl silicone rubber：100 parts；
Carbonyl iron：200 parts；
Zinc stearate：4 parts；
2,5- dimethyl -2,5- bis(t-butylperoxy) hexanes：1.5 parts.
Nonrubber class absorbing material thin slice 4 is provided between top layer, bottom and intermediate layer；Nonrubber class absorbing material thin slice
4 be the loose structure thin slice being made up of carbon fiber.
Multi-layer structured wave absorbing elastomeric material is in 4-18GHz frequency ranges reflectivity≤- 10dB.
The preparation method of multi-layer structured wave absorbing elastomeric material is：
A, according to parameter request, be designed as entrainment medium structure electromagnetic-wave absorbing rubber materials in the middle of three layers；
B, according to A design by every layer of rubber matrix, wave-absorbing powder and coordinate drug kneaded by the parts by weight, obtain
To the elastomeric compound of every layer material, 12h is parked；
C, the elastomeric compound per layer material is rolled according to the size of design and mixed sheet is cut into；
D, the film is combined according to the structure of design after be molded sulfidization molding；It is molded sulfidization molding technological parameter
For：160 DEG C of curing temperature, sulfide stress 10MPa, cure time 15min.
The above, is only the preferably embodiment of the present invention, but protection scope of the present invention is not limited to
This, all those familiar with the art are in technical scope disclosed by the invention, technique according to the invention scheme
And its design of the present invention is subject to equivalent or changed to be included within the scope of the present invention.
Claims (10)
1. a kind of multi-layer structured wave absorbing elastomeric material, it is characterised in that described multi-layer structured wave absorbing elastomeric material is by least two layers
The resistance gradual changing structure absorbing material that the elastomeric material of different absorbing properties is made, is not limited in the specific number of plies；
Described multi-layer structured wave absorbing elastomeric material includes when being two layers：Bottom (1) and top layer (3)；
The number of plies of described multi-layer structured wave absorbing elastomeric material includes when being more than two layers：Bottom (1), at least one layer of intermediate layer (2)
With top layer (3).
2. multi-layer structured wave absorbing elastomeric material according to claim 1, it is characterised in that described bottom (1) can be suction
One kind in ripple layer, reflecting layer, fixed bed three types；It is made up when bottom (1) is by reflecting layer of metal material, described metal
Material is one kind in aluminium, copper, steel, aluminium alloy.
3. multi-layer structured wave absorbing elastomeric material according to claim 1, it is characterised in that described intermediate layer (2) is suction ripple
Layer.
4. multi-layer structured wave absorbing elastomeric material according to claim 1, it is characterised in that described top layer (3) can be suction
One kind in ripple layer, overcoat and wave permeation layer three types；Shape can be flat board, pyramid or cone.
5. multi-layer structured wave absorbing elastomeric material according to claim 1, it is characterised in that described resistance gradual changing structure is inhaled
Wave material is made up of following components by weight：
Rubber matrix：100 parts；
Wave-absorbing powder：0-800 parts；
Compounding ingredient：2-15 parts.
6. multi-layer structured wave absorbing elastomeric material according to claim 7, it is characterised in that described rubber matrix is neoprene
At least one in rubber, ethylene propylene diene rubber, silicon rubber, natural rubber, butadiene-styrene rubber, butadiene rubber.
7. multi-layer structured wave absorbing elastomeric material according to claim 7, it is characterised in that the particle diameter of described wave-absorbing powder
For 0.5-100 microns, the wave-absorbing powder is ferrite, carbonyl iron, iron carbonyl, hydroxyl nickel, hydroxyl cobalt, electrically conductive polyaniline, titanium
At least one in sour barium, graphite, carbon fiber, conductive black, carborundum, silicon nitride.
8. multi-layer structured wave absorbing elastomeric material according to claim 7, it is characterised in that described compounding ingredient includes vulcanization
The rubbers such as agent, accelerator, age resistor, activating agent often use compounding ingredient, and every kind of compounding ingredient parts by weight are according to rubber types used
Depending on.
9. multi-layer structured wave absorbing elastomeric material according to claim 1, it is characterised in that described multi-layer structured wave absorbing rubber
Nonrubber class absorbing material thin slice (4) can be set between the every Rotating fields of glue material；Nonrubber class absorbing material thin slice (4) be by
A kind of loose structure thin slice being made in ferrite, electrically conductive polyaniline, barium titanate, graphite, carbon fiber, silicon carbide fibre is thick
Spend for 0.3-5mm.
10. the preparation method of the multi-layer structured wave absorbing elastomeric material described in claim 1, it is characterised in that described preparation method
For：
A, according to parameter request, design the required number of plies and per layer material；
B, according to A design by every layer of rubber matrix, wave-absorbing powder and coordinate drug kneaded by the parts by weight, obtain often
The elastomeric compound of layer material, parks 12h；
C, the elastomeric compound per layer material is rolled according to the size of design and mixed sheet is cut into；
D, the film is combined according to the structure of design after be molded sulfidization molding；Being molded sulfidization molding technological parameter is：
150-170 DEG C of curing temperature, sulfide stress 5-10MPa, cure time 10-15min.
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