CN108016099A - Absorbing material applied to microwave absorption test darkroom aisle region and preparation method thereof - Google Patents
Absorbing material applied to microwave absorption test darkroom aisle region and preparation method thereof Download PDFInfo
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- CN108016099A CN108016099A CN201711267204.1A CN201711267204A CN108016099A CN 108016099 A CN108016099 A CN 108016099A CN 201711267204 A CN201711267204 A CN 201711267204A CN 108016099 A CN108016099 A CN 108016099A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/24—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by surface fusion and bonding of particles to form voids, e.g. sintering
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/36—After-treatment
- C08J9/40—Impregnation
- C08J9/42—Impregnation with macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0221—Vinyl resin
- B32B2266/0228—Aromatic vinyl resin, e.g. styrenic (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/025—Polyolefin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0278—Polyurethane
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
- C08J2409/06—Copolymers with styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2411/00—Characterised by the use of homopolymers or copolymers of chloroprene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
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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
- C08K3/04—Carbon
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Absorbing material of the present invention applied to microwave absorption test darkroom aisle region and preparation method thereof, is related to a kind of absorbing material and preparation method thereof, is specially laid with the suction ripple plate for inhaling ripple test darkroom passageway.Absorbing material is the template absorbing material being combined into by the transparent structure plate (1) on top and the absorbent structure plate (2) of lower part, the absorbing material can bear adult's compression weight and indeformable, the laying for microwave absorption test darkroom aisle region；The absorbing material includes following ingredients：Polymeric foam particle is 20 200 parts；Wave-absorbing powder is 10 100 parts；Adhesive is 50 100 parts；Dispersant is 10 100 parts；Distilled water is 50 400 parts.The present invention has the characteristics that structure novelty, simple processing, highly practical, resistance to pressure is strong, wave absorbtion is good, therefore belongs to a kind of new application for integrating economy with practicality in absorbing material of microwave absorption test darkroom aisle region and preparation method thereof.
Description
Technical field
Absorbing material of the present invention applied to microwave absorption test darkroom aisle region and preparation method thereof, is related to
A kind of absorbing material and preparation method thereof, is specially laid with the suction ripple plate for inhaling ripple test darkroom passageway.
Background technology
Anechoic chamber, is primarily used for simulation open area test site, while for radiated radio harassing and wrecking and radiation sensitivity measurement
Closed screened room.The size of anechoic chamber, and the selection of radio frequency absorbing material are mainly by layman's size of Device under test and test
It is required that determining, divide 1m methods, 3m methods or 10m methods.It is mainly screened room and absorbing material that anechoic chamber, which mainly forms structure,.Shielding
Room is made of shield shell, shield door, ventilation waveguide window and all kinds of power-supply filters etc..Absorbing material is existed by operating frequency range
The individual layer ferrite sheet of 30MHz~1000MHz, and the carbon containing sponge absorbing material of taper are formed, and the carbon containing sponge of taper inhales ripple material
Material is to be permeated to form in carbon paste solution by polyurethane foam plastic.Common polyurethane sponge pyrometric cone wave-absorber cannot be stepped on
Stepping on, Vee formation cone is trampled when staff enters and can be deformed causes test result inaccurate, and without pyrometric cone wave-absorber then vacant lot
Meeting reflection electromagnetic wave causes more undesirable influence to anechoic chamber, test.
For it is above-mentioned the problems of in the prior art, research and design is a kind of, and new to be applied to microwave absorption test dark
Absorbing material of room aisle region and preparation method thereof, 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, be applied to the purpose of the present invention is research and design is a kind of new
Absorbing material of microwave absorption test darkroom aisle region and preparation method thereof.Work can not be born to solve existing absorbing material
The problem of being trampled as personnel.
What the technical solution of the present invention was realized in：
Absorbing material of the present invention applied to microwave absorption test darkroom aisle region, it is characterised in that described
Absorbing material is the template absorbing material being combined into by the transparent structure plate on top and the absorbent structure plate of lower part, the suction ripple material
Material can bear adult's compression weight and indeformable, the laying for microwave absorption test darkroom aisle region；The suction
Wave material includes following ingredients：Polymeric foam particle, wave-absorbing powder, adhesive, dispersant and distilled water；
Polymeric foam particle of the present invention is 20-200 parts；
Wave-absorbing powder of the present invention is 10-100 parts；
Adhesive of the present invention is 50-100 parts；
Dispersant of the present invention is 10-100 parts；
Distilled water of the present invention is 50-400 parts.
Polymeric foam particle of the present invention is EPS polystyrene, PUR polyurethane, PVC polyvinyl chloride, the poly- second of PE
Alkene, one kind in PP polypropylene, its coefficient of foaming is 20-50.
Adhesive of the present invention is Heveatex, neoprene latex, SBR emulsion, in acrylic emulsion
It is a kind of.
Adhesive Heveatex of the present invention, neoprene latex, SBR emulsion, emulsion acrylic resin stick
Spend for 2000-20000mPas.
Wave-absorbing powder of the present invention is ferrite, carbonyl iron, iron carbonyl, hydroxyl nickel, hydroxyl cobalt, electrically conductive polyaniline, stone
At least one of ink, carbon fiber, carbon black；The particle diameter of the wave-absorbing powder is 0.5-10 microns.
Dispersant of the present invention is aqueous dispersion acroleic acid macromolecular block copolymer, fatty acid, aliphatic
At least one of amide-type, esters, stearmide and higher alcohol.
Transparent structure plate preparation process of the present invention is：
Common untreated polymeric foam grains of the invention by the parts by weight, are positioned over aluminium or casting system
In the anti-rounded breasts type egg tray mould made, with 115~120 DEG C of air (or vapor) heat, material surface mutually by
The effect of heat is fused into foamed part (20-50 times)；
The absorbent structure plate preparation process is：
The first step：The wave-absorbing powder, adhesive, dispersant and distilled water are sufficiently mixed scattered formed and inhale ripple mixing
Liquid；
Second step：The polymeric foam particle is impregnated in above-mentioned mixed liquor, and makes mixed liquor in polymeric foam
Particle surface covering is uniform；
3rd step：The impregnated polymeric foam particle is fully dry；
4th step：The particle obtained in step 3 is positioned over to the rounded breasts type chicken of aluminium or casting manufacture by the parts by weight
In Egg tray mould, heated with 115~120 DEG C of air (or vapor), particle surface is mutually fused into by the effect of heat
Foamed part.
The transparent structure plate prepared and absorbent structure plate are buckled together and to form cuboid top and can pass through electromagnetic wave, under
The absorbing material of portion's electromagnetic wave absorption.
It is an advantage of the invention that it will be apparent that it is mainly manifested in：
Advantage of the invention is that it has superpower lifting capacity, the adult of normal type than existing absorbing material
People stands and will not be deformed above；
The present invention also has the ability of preferable electromagnetic wave absorption.
The present invention has structure novelty, simple processing, highly practical, resistance to pressure is strong, the good production cost of wave absorbtion is low, saves
The advantages that energy, 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 shares 1 width attached drawing, wherein：
1 schematic structural view of the invention of attached drawing.
In figure：1st, transparent structure plate 2, absorbent structure plate.
Embodiment
Embodiment 1
Applied to the absorbing material of microwave absorption test darkroom aisle region, including following parts by weight material：
100 parts of polystyrene foam particles (50 times of foaming)；
Carbon fiber powder：20 parts；
SBR emulsion：50 parts；
Aqueous dispersion：10 parts；
Distilled water：100 parts.
The particle diameter of polystyrene foam particles is 5 millimeters；The viscosity of SBR emulsion is 5000mPas；Wave-absorbing powder
For carbon fiber powder, its particle diameter is 10 microns；Aqueous dispersion is that the viscosity of acroleic acid macromolecular block copolymer is 500cps.
Above application is prepared in the method for the absorbing material of microwave absorption test darkroom aisle region, there are following steps：
1 preparation process of transparent structure plate is：
By required parts by weight, commonly untreated polystyrene foam particles are positioned over aluminium or the anti-rounded breasts of casting manufacture
In type egg tray mould, heated with 120 DEG C of air, foamed part is fused under the action of material surface is mutually by warm；
Absorbent structure plate prepares 2 steps：
The first step：The carbon fiber powder, SBR emulsion, acroleic acid macromolecular block copolymer and distilled water are filled
Scattered formed of mixing is divided to inhale ripple mixed liquor；
Second step：The polymeric foam particle is impregnated in above-mentioned mixed liquor, and makes mixed liquor in polymeric foam
Particle surface covering is uniform；
3rd step：The impregnated polystyrene foam particles are fully dry；
4th step：The particle obtained in step 3 is positioned over to the rounded breasts type chicken of aluminium or casting manufacture by the parts by weight
In Egg tray mould, heated with 120 DEG C of air, particle surface is mutually fused into foamed part by the effect of heat.
The transparent structure plate 1 prepared and absorbent structure plate 2 are buckled together and to form cuboid top and can pass through electromagnetic wave,
The absorbing material of lower absorbent electromagnetic wave.
Absorbing material made of the present embodiment, wave-absorbing effect is good, resistance to adult weight does not produce any deformation, and on
The polystyrene board of half part has good wave transparent performance, does not produce reflection to test electromagnetic wave and influences to test.
Embodiment 2
Applied to the absorbing material of microwave absorption test darkroom aisle region, including following parts by weight material：
100 parts of polypropylene PP foam beads (50 times of foaming)；
Graphite composite powder：20 parts；
Neoprene latex：50 parts；
Aliphatic amide：10 parts；
Distilled water：100 parts.
The particle diameter of polypropylene PP foam beads is 5 millimeters；The viscosity 5000mPas of neoprene latex；The grain of graphite powder
Footpath is 10 microns, and aqueous dispersion aliphatic amide viscosity is 1000cps.
Above application is prepared in the method for the absorbing material of microwave absorption test darkroom aisle region, there are following steps：
1 preparation process of transparent structure plate is：
By required parts by weight, commonly untreated polypropylene PP foam beads are positioned over aluminium or the anti-rounded breasts of casting manufacture
In type egg tray mould, heated with 120 DEG C of air, foamed part is fused under the action of material surface is mutually by warm；
Absorbent structure plate prepares 2 steps：
The first step：The graphite composite powder, neoprene latex, aliphatic amide and distilled water are sufficiently mixed scattered formation
Inhale ripple mixed liquor；
Second step：The polymeric foam particle is impregnated in above-mentioned mixed liquor, and makes mixed liquor in polymeric foam
Particle surface covering is uniform；
3rd step：The impregnated polypropylene PP foam beads are fully dry；
4th step：The particle obtained in step 3 is positioned over to the rounded breasts type chicken of aluminium or casting manufacture by the parts by weight
In Egg tray mould, heated with 120 DEG C of air, particle surface is mutually fused into foamed part by the effect of heat.
The transparent structure plate prepared and absorbent structure plate are buckled together and to form cuboid top and can pass through electromagnetic wave, under
The absorbing material of portion's electromagnetic wave absorption.
Absorbing material made of the present embodiment, wave-absorbing effect is good but since the selection of material causes load-bearing capacity slightly poor,
The weight of adult can be born reluctantly, and the wave transparent performance that the polypropylene PP plates of top half have is good, and test electromagnetic wave is not produced instead
Penetrate and influence to test.
Embodiment 3
Applied to the absorbing material of microwave absorption test darkroom aisle region, including following parts by weight material：
100 parts of polyurethane PU foam beads (50 times of foaming)；
Carbon black powder：20 parts；
Emulsion acrylic resin：50 parts；
Stearmide：10 parts；
Distilled water：100 parts.
The particle diameter of polyurethane PU foam beads is 5 millimeters；The viscosity 5000mPas of emulsion acrylic resin；Carbon powder
Particle diameter is 10 microns, and aqueous dispersion stearmide viscosity is 1500cps.
Above application is prepared in the method for the absorbing material of microwave absorption test darkroom aisle region, there are following steps：
1 preparation process of transparent structure plate is：
By required parts by weight, commonly untreated polyurethane PU foam beads are positioned over aluminium or the anti-rounded breasts of casting manufacture
In type egg tray mould, heated with 120 DEG C of air, foamed part is fused under the action of material surface is mutually by warm；
Absorbent structure plate prepares 2 steps：
The first step：Carbon black powder, emulsion acrylic resin, stearmide and the distilled water are sufficiently mixed scattered formation
Inhale ripple mixed liquor；
Second step：The polymeric foam particle is impregnated in above-mentioned mixed liquor, and makes mixed liquor in polymeric foam
Particle surface covering is uniform；
3rd step：The impregnated polyurethane PU foam beads are fully dry；
4th step：The particle obtained in step 3 is positioned over to the rounded breasts type chicken of aluminium or casting manufacture by the parts by weight
In Egg tray mould, heated with 120 DEG C of air, particle surface is mutually fused into foamed part by the effect of heat.
The transparent structure plate prepared and absorbent structure plate are buckled together and to form cuboid top and can pass through electromagnetic wave, under
The absorbing material of portion's electromagnetic wave absorption.
Absorbing material made of the present embodiment, wave-absorbing effect is good, speculates since the molecular structure of polyurethane causes load-bearing energy
Power is on the weak side, and adult's weight can deform a little at an upper portion thereof, and the polyurethane PU plate of top half has good wave transparent performance, to test
Electromagnetic wave does not produce reflection and influences test.
The above, is only the preferable 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 substitution or changes to be covered by the protection scope of the present invention.
Claims (7)
1. a kind of absorbing material applied to microwave absorption test darkroom aisle region, it is characterised in that the absorbing material is
The template absorbing material being combined into by the transparent structure plate (1) on top and the absorbent structure plate (2) of lower part, the absorbing material energy
Enough bear adult's compression weight and indeformable, the laying for microwave absorption test darkroom aisle region；The suction ripple material
Material includes following ingredients：Polymeric foam particle, wave-absorbing powder, adhesive, dispersant and distilled water；
The polymeric foam particle is 20-200 parts；
The wave-absorbing powder is 10-100 parts；
The adhesive is 50-100 parts；
The dispersant is 10-100 parts；
The distilled water is 50-400 parts.
2. the absorbing material according to claim 1 applied to microwave absorption test darkroom aisle region, it is characterised in that
The polymeric foam particle is EPS polystyrene, PUR polyurethane, PVC polyvinyl chloride, PE polyethylene, in PP polypropylene
One kind, its coefficient of foaming are 20-50.
3. the absorbing material according to claim 1 applied to microwave absorption test darkroom aisle region, it is characterised in that
The adhesive is Heveatex, neoprene latex, SBR emulsion, one kind in acrylic emulsion.
4. the absorbing material according to claim 3 applied to microwave absorption test darkroom aisle region, it is characterised in that
The adhesive Heveatex, neoprene latex, SBR emulsion, emulsion acrylic resin viscosity are 2000-
20000mPa·s。
5. the absorbing material according to claim 1 applied to microwave absorption test darkroom aisle region, it is characterised in that
The wave-absorbing powder is ferrite, carbonyl iron, iron carbonyl, hydroxyl nickel, hydroxyl cobalt, electrically conductive polyaniline, graphite, carbon fiber, carbon black
At least one of；The particle diameter of the wave-absorbing powder is 0.5-10 microns.
6. the absorbing material according to claim 1 applied to microwave absorption test darkroom aisle region, it is characterised in that
The dispersant is aqueous dispersion acroleic acid macromolecular block copolymer, fatty acid, aliphatic amide type, esters, hard
At least one of acyl amine and higher alcohol.
A kind of 7. absorbing material preparation method applied to microwave absorption test darkroom aisle region, it is characterised in that the system
Preparation Method is to be buckled together the transparent structure plate (1) prepared and absorbent structure plate (2) to form cuboid top and can pass through electricity
Magnetic wave, the absorbing material of lower absorbent electromagnetic wave；The transparent structure plate preparation process and absorbent structure plate preparation process are such as
Under；
Described transparent structure plate (1) preparation process is：
By the common untreated polymeric foam grains of the parts by weight, aluminium or the anti-rounded breasts of casting manufacture are positioned over
In type egg tray mould, heated with 115~120 DEG C of air (or vapor), mutually melted in material surface by the effect of heat
Synthesize foamed part；
Described absorbent structure plate (2) preparation process is：
The first step：The wave-absorbing powder, adhesive, dispersant and distilled water are sufficiently mixed scattered formed and inhale ripple mixed liquor；
Second step：The polymeric foam particle is impregnated in above-mentioned mixed liquor, and makes mixed liquor in polymeric foam particle
Surface covering is uniform；
3rd step：The impregnated polymeric foam particle is fully dry；
4th step：The particle obtained in step 3 is positioned over aluminium or the rounded breasts type egg tray of casting manufacture by the parts by weight
In mould, heated with 115~120 DEG C of air (or vapor), particle surface is mutually fused into by the effect of heat foamed
Part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711267204.1A CN108016099A (en) | 2017-12-05 | 2017-12-05 | Absorbing material applied to microwave absorption test darkroom aisle region and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711267204.1A CN108016099A (en) | 2017-12-05 | 2017-12-05 | Absorbing material applied to microwave absorption test darkroom aisle region and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940341A (en) * | 2021-02-18 | 2021-06-11 | 南京航天波平电子科技有限公司 | Preparation method of wave-absorbing brick |
Citations (8)
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|---|---|---|---|---|
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| CN1744807A (en) * | 2005-07-30 | 2006-03-08 | 大连理工大学 | Method for manufacturing wave-absorber of resonant group with hole-closing structure |
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| CN101700706A (en) * | 2009-11-18 | 2010-05-05 | 中南大学 | Lightweight and broadband wave absorbing material with foam sandwich structure and method for producing same |
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