CN106947349A - A kind of aqueous honeycomb Wave suction composite material and preparation method thereof - Google Patents

A kind of aqueous honeycomb Wave suction composite material and preparation method thereof Download PDF

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Publication number
CN106947349A
CN106947349A CN201710220305.7A CN201710220305A CN106947349A CN 106947349 A CN106947349 A CN 106947349A CN 201710220305 A CN201710220305 A CN 201710220305A CN 106947349 A CN106947349 A CN 106947349A
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parts
honeycomb
wave absorbing
aqueous
defoamer
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顾兆栴
张明雪
王娜
王金平
黄忠明
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Nanjing Nanda Boping Electronics Information Co Ltd
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Nanjing Nanda Boping Electronics Information Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
    • C09D143/04—Homopolymers or copolymers of monomers containing silicon
    • 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
    • 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
    • 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
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/32—Radiation-absorbing paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20—Diluents or solvents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/10—Polyamides derived from aromatically bound amino and carboxyl groups of amino carboxylic acids or of polyamines and polycarboxylic acids
    • 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
    • C08J2443/00—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 containing boron, silicon, phosphorus, selenium, tellurium or a metal; Derivatives of such polymers
    • C08J2443/04—Homopolymers or copolymers of monomers containing silicon
    • 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
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K

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Abstract

The present invention relates to absorbing material field, and in particular to a kind of preparation method of honeycomb absorbing material dipping aqueous wave absorbing coating and its honeycomb composite.Described honeycomb absorbing material dipping aqueous wave absorbing coating, by following components, part constitutes according to quantity：80~100 parts of distilled water, 120~150 parts of organosilicon acrylic resin, 8~9 parts of carbon black, 1~2 part of graphite, 5~10 parts of aluminium hydroxide, 2.8~4 parts of dispersant 750W, 0.1~0.3 part of defoamer.The present invention is used as solvent using distilled water；Carbon black and graphite are used as wave absorbing agent；Organosilicon acrylic resin is used as resin matrix；Coordinate dispersant, gas-phase silica and defoamer synergy so that antiradar coatings have that absorbing property is good, absorption band is wide, compatible good and light weight the features such as, be much better than conventional antiradar coatings.Obtained honeycomb composite make it that it inhales wave frequency band and absorbing property is greatly improved while its environmental resistance is improved.

Description

A kind of aqueous honeycomb Wave suction composite material and preparation method thereof
Technical field
The present invention relates to absorbing material field, more specifically to a kind of aqueous honeycomb Wave suction composite material and its Preparation method.
Background technology
Comb core is a kind of composite core prepared using bionics principle, external form and the honeycomb phase of nature Seemingly, can be while proof strength, the weight of lightening material, is a kind of new high light, high-strength material to greatest extent. The development of contemporary electronic information technology, the electromagnetic pollution as caused by electromagenetic wave radiation, electromagnetic interference, causes people the problems such as divulge a secret Extensive attention, especially in terms of construction material, shielding electromagnetic waves and absorbing important are examined as one of selection Amount factor.Ripple honeycomb is inhaled with cellular high-strength, Gao Mo, light weight and the absorbefacient feature good to electromagnetic wave, it has also become The focus of numerous researchers.Pair it can be described as with the mechanisms of immersion-type Honeycomb Sandwich Microwave Absorbing Materials：By wave transparent table The electromagnetic wave that layer enters inside sandwich structure, carries out Multiple Scattering with absorbing, electromagnetism of decaying to greatest extent by sandwich cavity Energy is simultaneously derived from wideband assimilation effect.
For cellular sandwich type absorbing material, its absorbing property has outside the Pass except the specification with honeycomb in itself, mainly Depend on and dipping glue system.Research shows that a preferably dipping glue system can make honeycomb core in the less situation that increases weight It is issued to preferable wave-absorbing effect.
The content of the invention
For above content, the present invention provides a kind of aqueous honeycomb Wave suction composite material and preparation method thereof, utilizes Preparing craft is impregnated with aqueous dipping glue to honeycomb, make it that it inhales wave frequency while its environmental resistance is improved Band and absorbing property are greatly improved.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of honeycomb absorbing material dipping aqueous wave absorbing Coating, by following components, part constitutes according to quantity：80~100 parts of distilled water, 120~150 parts of organosilicon acrylic resin, 8~9 parts of carbon black, graphite 1 ~2 parts, 5~10 parts of aluminium hydroxide, 2.8~4 parts of dispersant 750W, 0.1~0.3 part of defoamer.
Applied the invention also discloses a kind of honeycomb aqueous wave absorbing composite, including comb core and aqueous wave absorbing Layer.The material that comb core is used is aramid paper, and it is adhesive layer between hexagon, any two cellular unit that cellular unit, which is,； Aqueous wave absorbing coating is impregnated with cellular unit wall；
The aqueous wave absorbing coating is made up of following components by mass parts：
80~100 parts of distilled water
120~150 parts of organosilicon acrylic resin
8~9 parts of carbon black
1~2 part of graphite
5~10 parts of aluminium hydroxide
2.8~4 parts of dispersant 750W
0.1~0.3 part of defoamer
Further, described ground carbon black is extremely loose fine powder, and apparent density is low, the compressed article for being 50%, resistivity≤ 3.5 Ω ﹒ m.
Further, the main component of described ground graphite is micro powder graphite, in emulsus state.With conductive, lubrication, prevent The features such as corruption, high temperature resistant.
A kind of preparation method of aqueous honeycomb Wave suction composite material, mainly comprises the following steps：
1) coating preparation：Composition and ratio according to claim 1 weighs distilled water, carbon black, graphite, aluminium hydroxide, dispersant 750W, defoamer, grind after stirring, then with going out slurry after 120~300 mesh sieve net filtrations；Silicon is added according still further to formula Third resin, defoamer grinding prepare whether aqueous wave absorbing coating wherein defoamer adds in two times, and total amount is formula ratio；
2) comb core is handled：Unloaded spray gun is connected with air compressor to eliminate cellular material dust；
3) honeycomb is impregnated：Cellular material is lain in dipping tank, with step 1) made from aqueous wave absorbing coating slowly incline Note in dipping tank to being totally submerged cellular material；It is allowed to be sufficiently impregnated；Honeycomb absorbing material hung at room temperature after dipping dry It is dry；Dried absorbing material is impregnated again, repeated multiple times.
Further, the step 3) in drying condition be 24h≤t≤2d in 10~15 DEG C of temperature；Temperature 15~ At 25 DEG C, 12h≤t≤24h；It is more than 25 DEG C, 8h≤t≤16h in temperature.
Specifically, related impregnation technology is：Cellular material is lain in dipping tank, to being completely submerged in antiradar coatings In；Cellular material is clamped with tweezers, it is slight mobile, it is allowed to be sufficiently impregnated；Finally, at the drift angle of honeycomb diagonal two, one is respectively worn Root thin wire, thin wire is hooked with cleek, and honeycomb absorbing material is hung at room temperature；When impregnating again, hooked with cleek Thin wire at diagonal is hung, it is ensured that repeatedly the absorbing material after dipping on honeycomb wall, which is tried one's best, is evenly distributed.
The present invention has the advantages that compared with prior art：The aqueous wave absorbing coating is using distilled water as molten Agent；Carbon black and graphite are used as wave absorbing agent；Organosilicon acrylic resin is used as resin matrix；Coordinate dispersant, gas-phase silica and defoamer association Same-action so that antiradar coatings have that absorbing property is good, absorption band is wide, compatible good and light weight the features such as, it is remote excellent In conventional antiradar coatings.Obtained honeycomb composite make it that it inhales wave frequency band while its environmental resistance is improved And absorbing property is greatly improved.
Brief description of the drawings
Fig. 1 is the structural representation of the honeycomb composite wave-suction material of the present invention.Wherein：1st, aramid paper；2nd, adhesive layer； 3rd, antiradar coatings layer.
Fig. 2 is the preparation method flow chart of the present invention.
Fig. 3 is the typical reflectivity curve of the honeycomb aqueous wave absorbing composite of embodiment 2.
Fig. 4 is the typical reflectivity curve of the honeycomb aqueous wave absorbing composite of embodiment 3.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1
A kind of honeycomb composite wave-suction material, including comb core and microwave absorbing coating.Such as Fig. 1, what comb core was used Material is aramid paper 1, and it is adhesive layer 2 between hexagon, any two cellular unit that cellular unit, which is,；Impregnated on cellular unit wall There is aqueous wave absorbing coating 3；
The aqueous wave absorbing coating is composed of the following components：
80 parts of distilled water
150 parts of organosilicon acrylic resin
8 parts of carbon black
2 parts of graphite
5 parts of aluminium hydroxide
2.8 parts of dispersant 750W
0.1 part of defoamer
Further, described ground carbon black is extremely loose fine powder, and apparent density is low, the compressed article for being 50%, resistivity≤ 3.5 Ω ﹒ m.
Further, the main component of described ground aquadag is micro powder graphite, in emulsus state.With conductive, lubrication, prevent The features such as corruption, high temperature resistant.
Preparation method such as Fig. 2 of honeycomb aqueous wave absorbing composite, mainly comprises the following steps：
1) raw material prepare and equipment prepares.Organosilicon acrylic resin, carbon black, graphite, aluminium hydroxide, dispersant, gas needed for preparing The experimental raws such as phase white carbon, defoamer, distilled water and honeycomb and grinder and day equality experimental facilities, wherein applying Expect that the grinder used by preparation is intact and clean state, scrubbed if necessary with distilled water equal solvent；Balance is in intact State, periodic inspection is simultaneously in the term of validity.
2) coating preparation.Distilled water, carbon black, graphite powder, aluminium hydrate powder are successively weighed in the containers such as beaker by formula End, dispersant 750W, defoamer 815N, Aggregate Feeding Error are no more than 0.5%.To be stirred after often adding a component, finally Ground one time with basket-type grinder, grinding rotating speed gradually increases from low to high.Originally grinding rotating speed is 500r/min, grinding 10min, then 1000r/min, grinds 10min, is finally 2000r/min, milling time is 2h.Then with 120~300 mesh sieves Go out slurry after net filtration.Organosilicon acrylic resin, defoamer, Aggregate Feeding Error are added in container be no more than 0.5% according to formula.Use vertical sand 30min, rotating speed (500 ± 100) rpm is sanded in grinding machine, prepares aqueous wave absorbing coating.
3) comb core is handled.Unloaded spray gun is connected with air compressor to eliminate cellular material dust, is weighed weight, is remembered The original weight of every block of cellular material is recorded, error is no more than 0.5%.
4) honeycomb is impregnated.Cellular material is lain in dipping tank, antiradar coatings are slowly poured into dipping tank to complete Submerge cellular material；Cellular material is clamped with tweezers again, it is slight mobile, it is allowed to be sufficiently impregnated；Finally, pushed up in honeycomb diagonal two At angle, a thin wire is respectively worn, thin wire is hooked with cleek, honeycomb absorbing material is hung at room temperature；When impregnating again, Hook the thin wire at diagonal with cleek to be hung, it is ensured that repeatedly the absorbing material after dipping on honeycomb wall tries one's best distribution It is even.
5) dry.Often impregnate once, honeycomb absorbing material needs to be dried by appropriate temperature and time.
Further, drying condition is 24h≤t≤2d in 10~15 DEG C of temperature in affiliated step 5；Temperature 15~ At 25 DEG C, 12h≤t≤24h；It is more than 25 DEG C, 8h≤t≤16h in temperature.
The surface density of the honeycomb absorbing material of above-mentioned preparation is 1.5, and resistance per square is 7K Ω/.In 2~18GH scopes Interior≤- 4dB.
Embodiment 2
Difference from Example 1 is that the aqueous wave absorbing coating is composed of the following components：
80 parts of distilled water
120 parts of organosilicon acrylic resin
9 parts of carbon black
1 part of graphite
10 parts of aluminium hydroxide
3.2 parts of dispersant 750W
0.3 part of defoamer
Further, described ground carbon black is extremely loose fine powder, and apparent density is low, the compressed article for being 50%, resistivity≤ 3.5 Ω ﹒ m.
Further, the main component of described ground aquadag is micro powder graphite, in emulsus state.With conductive, lubrication, prevent The features such as corruption, high temperature resistant.
Preparation method be the same as Example 1, the surface density of obtained honeycomb absorbing material is 1.8, resistance per square be 10K Ω/ □.In the range of 2~18GH≤- 6dB.Its electrical property curve is as shown in figure 3, honeycomb aqueous wave absorbing composite electrical property In 2-18GHz, radar reflectivity curve is below -6dB；In 8.6-18GHz wave bands, radar reflectivity below -10dB, Maximum resonance peak is (18.0, -31dB).
Embodiment 3
Difference from Example 1 is that the solubization microwave absorbing coating is composed of the following components：
100 parts of distilled water
65 parts of organosilicon acrylic resin GH-3
65 parts of organosilicon acrylic resin GH-23
9 parts of carbon black
1 part of graphite
9 parts of aluminium hydroxide
4 parts of dispersant 750W
0.2 part of defoamer
Preparation method be the same as Example 1, the surface density of obtained honeycomb absorbing material is 1.6, resistance per square be 12K Ω/ □.In the range of 2~18GH≤- 8dB.Electrical property curve such as Fig. 4 institutes of the honeycomb aqueous wave absorbing composite of embodiment 3 Show, in 2-18GHz, radar reflectivity curve is below -8dB, and downward trend is presented in curve；In 7-18GHz wave bands, radar is anti- Rate is penetrated below -10dB, maximum resonance peak is (16.1, -30.1dB), and broadband absorbing effect is more notable.Therefore, implement The absorbing property of the honeycomb aqueous wave absorbing composite of example 3 is good, absorption band is wide.
Above-described embodiment only to illustrate the invention, and not limitation of the present invention, person of ordinary skill in the field It will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to each raw material of product of the present invention are added, specifically Way choice etc., belongs to scope of the invention, and scope of patent protection of the invention should be defined by the claims.

Claims (6)

1. a kind of honeycomb absorbing material dipping aqueous wave absorbing coating, it is characterised in that be made up of following components by mass parts：Steam 80~100 parts of distilled water, 120~150 parts of organosilicon acrylic resin, 8~9 parts of carbon black, 1~2 part of graphite, 5~10 parts of aluminium hydroxide, dispersant 2.8~4 parts of 750W, 0.1~0.3 part of defoamer.
2. honeycomb absorbing material dipping aqueous wave absorbing coating according to claim 1, it is characterised in that the carbon black is Extremely loose fine powder, apparent density is low, the compressed article for being 50%, the Ω ﹒ m of resistivity≤3.5.
3. a kind of honeycomb aqueous wave absorbing composite, including comb core and aqueous wave absorbing coating, it is characterised in that honeycomb The material that core is used is aramid paper, and it is adhesive layer between hexagon, any two cellular unit that cellular unit, which is,；Cellular unit Aqueous wave absorbing coating is impregnated with wall, the group of the aqueous wave absorbing coating is grouped into：80~100 parts of distilled water, organosilicon acrylic resin 120~150 parts, 8~9 parts of carbon black, 1~2 part of graphite, 5~10 parts of aluminium hydroxide, 2.8~4 parts of dispersant 750W, defoamer 0.1~0.3 part.
4. a kind of preparation method of honeycomb aqueous wave absorbing composite, it is characterised in that comprise the following steps：
1) coating preparation：Composition and ratio according to claim 1 weigh distilled water, carbon black, graphite, aluminium hydroxide, dispersant 750W, Defoamer, grinds after stirring, then with going out slurry after 120~300 mesh sieve net filtrations；The tree of silicon third is added according still further to formula Aqueous wave absorbing coating is prepared in fat, defoamer grinding；
2) comb core is handled：Unloaded spray gun is connected with air compressor to eliminate cellular material dust；
3) honeycomb is impregnated：Cellular material is lain in dipping tank, with step 1) made from aqueous wave absorbing coating be slowly poured into Dipping tank is to being totally submerged cellular material；It is allowed to be sufficiently impregnated；Honeycomb absorbing material is hung into drying at room temperature after dipping；It is dry Absorbing material after dry is impregnated again, repeated multiple times.
5. a kind of preparation method of honeycomb aqueous wave absorbing composite according to claim 4, it is characterised in that step 3) drying condition is in：When 10~15 DEG C of temperature, 24h≤t≤2d；When 15~25 DEG C of temperature, 12h≤t≤24h；Work as temperature Degree is more than 25 DEG C, 8h≤t≤16h.
6. a kind of preparation method of honeycomb aqueous wave absorbing composite according to claim 4, it is characterised in that step 3) mode dried and impregnated again is hung in is：At the drift angle of honeycomb diagonal two, a thin wire is respectively worn, is hooked carefully with cleek Iron wire, honeycomb absorbing material is hung at room temperature；When impregnating again, the thin wire at diagonal is hooked with cleek and is dried in the air Put.
CN201710220305.7A 2017-04-06 2017-04-06 A kind of aqueous honeycomb Wave suction composite material and preparation method thereof Pending CN106947349A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
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CN107979967A (en) * 2017-12-22 2018-05-01 沈阳山磊航空装备制造有限责任公司 A kind of Wave suction composite material of honeycomb sandwich structure and preparation method thereof
CN110644279A (en) * 2019-09-19 2020-01-03 航天长屏科技有限公司 Impregnation liquid for high-power darkroom wave-absorbing pyramid, preparation method and wave-absorbing pyramid
CN111439953A (en) * 2020-04-01 2020-07-24 南京南大波平电子信息有限公司 Functional water-based wave-absorbing coating and preparation method thereof
CN112126114A (en) * 2020-08-24 2020-12-25 航天特种材料及工艺技术研究所 Wave-absorbing honeycomb/hard foam composite material and preparation method thereof
CN113122183A (en) * 2019-12-31 2021-07-16 航天长屏科技有限公司 Aqueous impregnation liquid for high-power honeycomb wave-absorbing material and preparation method thereof
CN113277882A (en) * 2021-06-30 2021-08-20 江西省萍乡市湘东石油化工填料厂 Modified chrome corundum slurry for surface of honeycomb ceramic heat accumulator and pulping method thereof
CN114686071A (en) * 2020-12-29 2022-07-01 洛阳尖端技术研究院 Wave-absorbing coating composition, wave-absorbing coating, wave-absorbing material and preparation method thereof
CN117774440A (en) * 2023-12-19 2024-03-29 成都佳驰电子科技股份有限公司 Preparation method of wave-absorbing honeycomb material

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CN107979967A (en) * 2017-12-22 2018-05-01 沈阳山磊航空装备制造有限责任公司 A kind of Wave suction composite material of honeycomb sandwich structure and preparation method thereof
CN110644279A (en) * 2019-09-19 2020-01-03 航天长屏科技有限公司 Impregnation liquid for high-power darkroom wave-absorbing pyramid, preparation method and wave-absorbing pyramid
CN113122183A (en) * 2019-12-31 2021-07-16 航天长屏科技有限公司 Aqueous impregnation liquid for high-power honeycomb wave-absorbing material and preparation method thereof
CN111439953A (en) * 2020-04-01 2020-07-24 南京南大波平电子信息有限公司 Functional water-based wave-absorbing coating and preparation method thereof
CN112126114A (en) * 2020-08-24 2020-12-25 航天特种材料及工艺技术研究所 Wave-absorbing honeycomb/hard foam composite material and preparation method thereof
CN114686071A (en) * 2020-12-29 2022-07-01 洛阳尖端技术研究院 Wave-absorbing coating composition, wave-absorbing coating, wave-absorbing material and preparation method thereof
CN114686071B (en) * 2020-12-29 2023-12-29 洛阳尖端技术研究院 Wave-absorbing coating composition, wave-absorbing coating, wave-absorbing material and preparation method thereof
CN113277882A (en) * 2021-06-30 2021-08-20 江西省萍乡市湘东石油化工填料厂 Modified chrome corundum slurry for surface of honeycomb ceramic heat accumulator and pulping method thereof
CN113277882B (en) * 2021-06-30 2022-07-19 江西省萍乡市湘东石油化工填料厂 Modified chrome corundum slurry for surface of honeycomb ceramic heat accumulator and pulping method and application thereof
CN117774440A (en) * 2023-12-19 2024-03-29 成都佳驰电子科技股份有限公司 Preparation method of wave-absorbing honeycomb material

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Application publication date: 20170714