CN106147702A - A kind of Wave suction composite material and preparation method thereof - Google Patents
A kind of Wave suction composite material and preparation method thereof Download PDFInfo
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- CN106147702A CN106147702A CN201510159118.3A CN201510159118A CN106147702A CN 106147702 A CN106147702 A CN 106147702A CN 201510159118 A CN201510159118 A CN 201510159118A CN 106147702 A CN106147702 A CN 106147702A
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- glued membrane
- composite material
- wave suction
- suction composite
- electromagnetic spectrum
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Abstract
The invention provides a kind of Wave suction composite material and manufacture method thereof, this Wave suction composite material includes the suction ripple electromagnetic spectrum that the cystosepiment of at least one of which closed pore and at least one of which contain conductive fiber, cystosepiment is together with inhaling ripple electromagnetic spectrum and being alternately laid on, and wherein cystosepiment is closed-cell foam plate.Wave suction composite material provided by the present invention not only has good broadband absorbing characteristic, in going for damp and hot, high temperature simultaneously and having the environment of certain bearing requirements.
Description
Technical field
The present invention relates to a kind of absorbing material, specifically a kind of Wave suction composite material.
Background technology
Traditional single antiradar coatings has the offices such as suction ripple band limiting, efficiency is low, weight is big, temperature tolerance is poor
Sex-limited, at present, using more in prior art is the foam wave-suction material prepared by open-celled polyurethane foam,
Although this absorbing material has lightweight, bandwidth and the feature such as low frequency performance is good, but due to this suction
The open celled foam of wave material does not has hardness, it is impossible to be applied in any environment having bearing requirements.
In view of this, it is badly in need of a kind of existing broadband absorbing characteristic at present and has environment load-carrying properties to require and temperature
The lightweight foam wave-suction material of performance requirement.
Summary of the invention
Can not have certain machine for the absorbing material with broadband absorbing characteristic of the prior art simultaneously
Tool performance and the problem in going for damp and hot and hot environment, the invention provides and a kind of inhale ripple composite wood
Material.
According to an aspect of the present invention, it is provided that a kind of Wave suction composite material, including at least one of which foam
Plate and at least one of which are inhaled together with ripple electromagnetic spectrum, cystosepiment and suction ripple electromagnetic spectrum be alternately laid on, its
In, cystosepiment is closed-cell foam plate.
In above-mentioned Wave suction composite material, it is preferable that cystosepiment includes Polymethacrylimide (PMI)
Foam, polyurethane (PU) foam, polystyrene (PS) foam or polypropylene (PP) foam.
In above-mentioned Wave suction composite material, it is preferable that the aperture of closed-cell foam plate is 10～50 microns.
In above-mentioned Wave suction composite material, it is preferable that inhale ripple electromagnetic spectrum and include conductive fiber.
In above-mentioned Wave suction composite material, it is preferable that conductive fiber includes chopped carbon fiber or metallic fiber.
In above-mentioned Wave suction composite material, it is preferable that a length of 0.1mm～2mm of conductive fiber.
In above-mentioned Wave suction composite material, it is preferable that conductive fiber accounts for inhales ripple electromagnetic spectrum volume
0.5%～2%.
In above-mentioned Wave suction composite material, it is preferable that be applied with glued membrane in the surface inhaling ripple electromagnetic spectrum.
In above-mentioned Wave suction composite material, it is preferable that the thickness of glued membrane is 0.1mm.
In above-mentioned Wave suction composite material, it is preferable that glued membrane includes thermosetting glued membrane or hot melt glued membrane.
In above-mentioned Wave suction composite material, it is preferable that glued membrane includes polyamide glued membrane, polyethersulfone resin glue
Film, expoxy propane glued membrane or acrylic acid glued membrane.
In above-mentioned Wave suction composite material, it is preferable that inhale ripple electromagnetic spectrum also include epoxy resin glued membrane,
Polyurethane laminate, pellosil or neoprene glued membrane.
In above-mentioned Wave suction composite material, it is preferable that the thickness of every layer of cystosepiment is 4mm.
In above-mentioned Wave suction composite material, it is preferable that every layer of thickness inhaling ripple electromagnetic spectrum is 0.1mm.
Provide the manufacture method of a kind of Wave suction composite material, method bag according to a further aspect in the invention
Include preparation and inhale ripple electromagnetic spectrum；Glued membrane is applied in the surface inhaling ripple electromagnetic membrane；By at least one of which foam
Together with plate is alternately laid on at least one of which suction ripple electromagnetic spectrum；And hot-forming, thus prepare
Wave suction composite material, wherein, cystosepiment is closed-cell foam plate.
In the manufacture method of above-mentioned Wave suction composite material, cystosepiment includes Polymethacrylimide
(PMI) foam, polyurethane (PU) foam, polystyrene (PS) foam or polypropylene (PP)
Foam.
In the manufacture method of above-mentioned Wave suction composite material, use spraying process conductive fiber and asphalt mixtures modified by epoxy resin
Ripple electromagnetic spectrum is inhaled in the preparation of fat glued membrane.
In the manufacture method of above-mentioned Wave suction composite material, conductive fiber includes that chopped carbon fiber or metal are fine
Dimension.
In the manufacture method of above-mentioned Wave suction composite material, a length of the 0.1 of conductive fiber～2mm.
In the manufacture method of above-mentioned Wave suction composite material, it is characterised in that conductive fiber accounts for suction ripple electromagnetism
The 0.5%～2% of thin film volume.
In the manufacture method of above-mentioned Wave suction composite material, layer spread method is used to be implemented in inhaling ripple electromagnetic spectrum
Surface applies glued membrane, and the glued membrane of applying is the glued membrane of semi-solid preparation.
In the manufacture method of above-mentioned Wave suction composite material, the thickness of the glued membrane of the semi-solid preparation of applying is
0.1mm。
In the manufacture method of above-mentioned Wave suction composite material, glued membrane includes thermosetting glued membrane or hot melt glued membrane.
In the manufacture method of above-mentioned Wave suction composite material, glued membrane includes polyamide glued membrane, polyethersulfone resin
Glued membrane, expoxy propane glued membrane or acrylic acid glued membrane.
In the manufacture method of above-mentioned Wave suction composite material, use vacuum-bag process or autoclave molding real
Applying heat is molded.
In the manufacture method of above-mentioned Wave suction composite material, the thickness of every layer of cystosepiment is 4mm.
In the manufacture method of above-mentioned Wave suction composite material, every layer of thickness inhaling ripple electromagnetic spectrum is 0.1mm.
In the manufacture method of above-mentioned Wave suction composite material, the aperture of closed-cell foam plate is 10～50 microns.
A kind of Wave suction composite material of present invention offer and manufacture method thereof, it is simple to implement, and obtained
Wave suction composite material not only has good broadband absorbing characteristic, go for simultaneously damp and hot, high temperature, with
And have in the environment of certain bearing requirements.
Accompanying drawing explanation
Fig. 1 is the structural representation of Wave suction composite material according to embodiments of the present invention；
Fig. 2 is the flow chart of the manufacture method of Wave suction composite material according to embodiments of the present invention；
Fig. 3 is the albedo measurement result of the Wave suction composite material of according to embodiments of the present invention 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is entered
Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of the present invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are obtained
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
The manufacture method of Wave suction composite material
As shown in step S101 of Fig. 2, preparation is containing inhaling ripple electromagnetic spectrum 2 (as shown in Figure 1).
In step S101, inhaling ripple electromagnetic spectrum is to use spraying process by conductive fiber and epoxide-resin glue film preparation
Forming, wherein, conductive fiber accounts for the 0.5%～2% of whole suction ripple electromagnetic spectrum volume.The conduction used
Fiber is chopped carbon fiber or metallic fiber, and its length range is 0.1mm to 2mm, preferably 0.5mm.
Wherein, the material of metallic fiber can select the conducting metals such as ferrum, copper, aluminum, nickel.This conductive carbon fibre removes
Make the suction ripple electromagnetic membrane have outside absorbing property, additionally aid the carrying of mechanical performance of whole Wave suction composite material
High.Made land used glued membrane is not limited to epoxy resin glued membrane, it is also possible to for polyurethane laminate, silicon
Glued membrane or neoprene glued membrane.In this step, the obtained thickness inhaling ripple electromagnetic membrane is preferably 0.1mm.
As shown in step S103 of Fig. 2, apply glued membrane in the surface inhaling ripple electromagnetic membrane.In step
In S103, use layer spread method to apply glued membrane in the surface inhaling ripple electromagnetic membrane, and the glued membrane applied is half
The glued membrane of solidification, in order in subsequent step, after being superimposed together with cystosepiment, is fully cured to incite somebody to action
Each layer cystosepiment is bonded together with inhaling ripple electromagnetic membrane.And the glued membrane of the semi-solid preparation applied in this step
Thickness be preferably 0.1mm.The glued membrane used is thermosetting glued membrane or hot melt glued membrane, such as polyamides
Amine glued membrane, expoxy propane glued membrane or acrylic acid glued membrane etc..
As shown in step S105 of Fig. 2, by least one of which cystosepiment 1 (as shown in Figure 1) and at least
Inhale ripple electromagnetic spectrum 2 (as shown in Figure 1) for one layer to be alternately laid on together.In step S105,
The cystosepiment used is closed-cell foam plate, and the aperture of closed-cell foam plate is 10～50 microns, from
And make this foam sheet have good intensity, go at the environment having certain bearing requirements
Middle use, additionally due to its hole-closing structure make it have that absorptivity is low, corrosion-resistant, high temperature time
Do not trickle, low temperature time not embrittlement feature so that it is can apply to that there is environment and temperature performance requirement
Field, especially can apply in the environment of damp and hot and high temperature.In this step S105, made
Closed-cell foam plate can select Polymethacrylimide (PMI) foam, polyurethane (PU)
Foam, polystyrene (PS) foam or polypropylene (PP) foam.In a preferred embodiment of the invention,
Select Polymethacrylimide (PMI) foam.Cystosepiment with inhale the number of plies ratio of ripple electromagnetic spectrum for 1:1,.
But in other embodiments of the present invention, rigid foam plate is not limited to 1:1 with the number of plies ratio of conductive resistance sheet,
Can also is that n+1:n (wherein, n is the integer more than or equal to 1), so that Wave suction composite material reaches relatively
Good absorbing property.Although the number of plies that illustrate only cystosepiment in FIG is 4 layers, but can be according to specifically
The demand of the absorbing property in application designs the number of plies, so that obtained Wave suction composite material has good
Good absorbing property has suitable thickness simultaneously, such as, in a preferred embodiment, and the foam used
Plate or the number of plies inhaling ripple electromagnetic spectrum are 15.The thickness of the cystosepiment used is preferably 4mm, so that
The Wave suction composite material finished product finally prepared has suitable thickness, and can keep good machine simultaneously
Tool performance.
As shown in step S107 of Fig. 2, hot-forming, thus prepare Wave suction composite material.In this step
In, according to glued membrane kind selected in step S107, at 130 DEG C to 150 DEG C, use vacuum bag
Molding or autoclave molding, by hot-forming to cystosepiment and suction ripple electromagnetic spectrum, are about 2 hours hardening time,
Prepare Wave suction composite material.
The Wave suction composite material that the manufacture method of present invention offer is convenient to carry out and obtained not only has well
Broadband absorbing characteristic, go for damp and hot, high temperature simultaneously and there is the environment of certain bearing requirements
In.
Embodiment 1
Use spraying process, carbon fiber and epoxy resin glued membrane make the suction ripple electromagnetism that thickness is 0.1mm thin
Film 2, wherein carbon fiber accounts for and inhales the 1% of ripple electromagnetic spectrum volume, a length of 0.5mm of carbon fiber；Use
Layer spread method applies the expoxy propane glued membrane of the semi-solid preparation that thickness is 0.1mm in the surface inhaling ripple electromagnetic spectrum；
Polymethacrylimide (PMI) cystosepiment and 15 layers of surface of closed pore thick for 15 layers of 4mm are applied
The suction ripple electromagnetic spectrum having glued membrane is alternately laid on together, and wherein the aperture of the cystosepiment of closed pore is 20～30
Micron；At 130 DEG C, vacuum-bag process is used by the PMI cystosepiment of closed pore and to inhale ripple electromagnetic spectrum heat
Molded, hardening time is 2 hours, prepares Wave suction composite material.
Embodiment 2
Use spraying process, copper fiber and epoxy resin glued membrane make the suction ripple electromagnetism that thickness is 0.1mm thin
Film, wherein copper fiber accounts for and inhales the 0.5% of ripple electromagnetic spectrum volume, a length of 0.5mm of copper fiber；Use
Layer spread method applies the polyamide glued membrane of the semi-solid preparation that thickness is 0.1mm in the surface inhaling ripple electromagnetic spectrum；
Polyurethane (PU) cystosepiment of closed pore thick for 10 layers of 4mm and 10 layers of surface are applied with the suction ripple of glued membrane
Electromagnetic spectrum is alternately laid on together, and wherein the aperture of the cystosepiment of closed pore is 30～50 microns；At 150 DEG C
Under, use autoclave molding by the PU cystosepiment of closed pore and inhale ripple electromagnetic spectrum hot-forming, hardening time
It is 2 hours, prepares Wave suction composite material.
Embodiment 3
Use spraying process, copper fiber and epoxy resin glued membrane make the suction ripple electromagnetism that thickness is 0.1mm thin
Film, wherein copper fiber accounts for and inhales the 0.5% of ripple electromagnetic spectrum volume, a length of 0.1mm of copper fiber；Use
Layer spread method applies the expoxy propane glued membrane of the semi-solid preparation that thickness is 0.1mm in the surface inhaling ripple electromagnetic spectrum；
Polyurethane (PU) cystosepiment of closed pore thick for 12 layers of 4mm and 12 layers of surface are applied with the suction ripple of glued membrane
Electromagnetic spectrum is alternately laid on together, and wherein the aperture of the cystosepiment of closed pore is 10～20 microns；At 130 DEG C
Under, use vacuum-bag process by the PU cystosepiment of closed pore and inhale ripple electromagnetic spectrum hot-forming, hardening time
It is 2 hours, prepares Wave suction composite material.
Embodiment 4
Use spraying process, aluminum fiber and epoxy resin glued membrane make the suction ripple electromagnetism that thickness is 0.1mm thin
Film, wherein aluminum fiber accounts for and inhales the 2% of ripple electromagnetic spectrum volume, a length of 2mm of aluminum fiber；Employing layer spreads
Method applies the expoxy propane glued membrane of the semi-solid preparation that thickness is 0.1mm in the surface inhaling ripple electromagnetic spectrum；By 1
Polystyrene (PS) the froth foam plate of layer closed pore and 1 layer of surface are applied with the suction ripple electromagnetic spectrum of glued membrane
Alternately being laid on together, wherein the aperture of the cystosepiment of closed pore is 20～30 microns；At 130 DEG C, adopt
With vacuum-bag process, by the PS cystosepiment of closed pore and to inhale ripple electromagnetic spectrum hot-forming, and hardening time is 2 little
Time, prepare Wave suction composite material.
Embodiment 5
Use spraying process, aluminum fiber and epoxy resin glued membrane make the suction ripple electromagnetism that thickness is 0.1mm thin
Film, wherein aluminum fiber accounts for and inhales the 2% of ripple electromagnetic spectrum volume, a length of 1mm of aluminum fiber；Employing layer spreads
Method applies the polyamide glued membrane of the semi-solid preparation that thickness is 0.1mm in the surface inhaling ripple electromagnetic spectrum；By 15
Polystyrene (PS) the froth foam plate of the closed pore that layer 4mm is thick and 15 layers of surface are applied with the suction of glued membrane
Ripple electromagnetic spectrum is alternately laid on together, and wherein the aperture of the cystosepiment of closed pore is 40～50 microns；?
At 150 DEG C, use vacuum-bag process by the PS cystosepiment of closed pore and inhale ripple electromagnetic spectrum hot-forming, Gu
The change time is 2 hours, prepares Wave suction composite material.
The test of absorbing property
The Wave suction composite material of gained in embodiment 1 is cut into the sample of a size of 400mm × 400mm,
Sample is placed between transmitting-receiving electromagnetic horn, uses the reflection to sample in suction ripple darkroom of the arch frame method
Rate measures, and the wave band of measurement is 1～18GHz.
Fig. 3 is the albedo measurement result of the Wave suction composite material of according to embodiments of the present invention 1.Such as Fig. 3
Shown in, the Wave suction composite material that the present invention provides all has good absorbing property at 3GHz to 15GHz,
It follows that the Wave suction composite material that the present invention provides is except having good mechanical performance and can fit
In high temperature and damp and hot environment, also there is good broadband absorbing performance.
The Wave suction composite material that the present invention provides includes that the cystosepiment of at least one of which closed pore and at least one of which contain
Having the suction ripple electromagnetic spectrum of conductive fiber, cystosepiment is together with inhaling ripple electromagnetic spectrum and being alternately laid on.This
Bright Wave suction composite material not only has good broadband absorbing characteristic, go for simultaneously damp and hot, high temperature,
And have in the environment of certain bearing requirements.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, all should wrap
Within being contained in protection scope of the present invention.
Claims (28)
1. a Wave suction composite material, it is characterised in that including:
At least one of which cystosepiment；And
At least one of which inhales ripple electromagnetic spectrum,
Together with described cystosepiment is alternately laid on described suction ripple electromagnetic spectrum, wherein, described cystosepiment is
Closed-cell foam plate.
Wave suction composite material the most according to claim 1, it is characterised in that described cystosepiment bag
Include Polymethacrylimide (PMI) foam, polyurethane (PU) foam, polystyrene (PS)
Foam or polypropylene (PP) foam.
Wave suction composite material the most according to claim 1, it is characterised in that described closed-cell foam
The aperture of plate is 10～50 microns.
Wave suction composite material the most according to claim 1, it is characterised in that described suction ripple electromagnetism
Thin film includes conductive fiber.
Wave suction composite material the most according to claim 4, it is characterised in that described conductive fiber
Including chopped carbon fiber or metallic fiber.
Wave suction composite material the most according to claim 4, it is characterised in that described conductive fiber
A length of 0.1～2mm.
Wave suction composite material the most according to claim 4, it is characterised in that described conductive fiber accounts for
The 0.5%～2% of described suction ripple electromagnetic spectrum volume.
Wave suction composite material the most according to claim 1, it is characterised in that at described suction ripple electricity
The surface of magnetic thin film is applied with glued membrane.
Wave suction composite material the most according to claim 8, it is characterised in that the thickness of described glued membrane
Degree is 0.1mm.
Wave suction composite material the most according to claim 8, it is characterised in that described glued membrane includes
Thermosetting glued membrane or hot melt glued membrane.
11. Wave suction composite materials according to claim 10, it is characterised in that described glued membrane bag
Include polyamide glued membrane, polyethersulfone resin glued membrane, expoxy propane glued membrane or acrylic acid glued membrane.
12. Wave suction composite materials according to claim 1, it is characterised in that described suction ripple electromagnetism
Thin film also includes epoxy resin glued membrane, polyurethane laminate, pellosil or neoprene glued membrane.
13. Wave suction composite materials according to claim 1, it is characterised in that every layer of described bubble
The thickness of foam plate is 4mm.
14. Wave suction composite materials according to claim 1, it is characterised in that every layer of described suction
The thickness of ripple electromagnetic spectrum is 0.1mm.
The manufacture method of 15. 1 kinds of Wave suction composite materials, it is characterised in that including:
Ripple electromagnetic spectrum is inhaled in preparation；
Glued membrane is applied in the surface of described suction ripple electromagnetic membrane；
By at least one of which cystosepiment together with inhaling ripple electromagnetic spectrum described at least one of which and being alternately laid on；
And
Hot-forming, thus prepare Wave suction composite material,
Wherein, described cystosepiment is closed-cell foam plate.
16. methods according to claim 15, it is characterised in that described cystosepiment includes poly-first
Base acrylimide (PMI) foam, polyurethane (PU) foam, polystyrene (PS) foam or
Polypropylene (PP) foam.
17. methods according to claim 15, it is characterised in that use and lead described in spraying process
Ripple electromagnetic spectrum is inhaled described in electricity fiber and epoxide-resin glue film preparation.
18. methods according to claim 17, it is characterised in that described conductive fiber includes short
Cut carbon fiber or metallic fiber.
19. methods according to claim 18, it is characterised in that the length of described conductive fiber
It is 0.1～2mm.
20. methods according to claim 17, it is characterised in that it is characterized in that, described in lead
Electricity fiber accounts for the 0.5%～2% of described suction ripple electromagnetic spectrum volume.
21. methods according to claim 15, it is characterised in that use layer spread method to be implemented in institute
Stating the surface applying glued membrane inhaling ripple electromagnetic spectrum, the described glued membrane of applying is the glued membrane of semi-solid preparation.
22. methods according to claim 21, it is characterised in that the described semi-solid preparation of applying
The thickness of glued membrane is 0.1mm.
23. methods according to claim 15, it is characterised in that described glued membrane includes thermosetting
Glued membrane or hot melt glued membrane.
24. methods according to claim 23, it is characterised in that described glued membrane includes polyamide
Glued membrane, polyethersulfone resin glued membrane, expoxy propane glued membrane or acrylic acid glued membrane.
25. methods according to claim 15, it is characterised in that use vacuum-bag process or heat
Pressure jug forming is implemented described hot-forming.
26. methods according to claim 15, it is characterised in that the thickness of every layer of described cystosepiment
Degree is 4mm.
27. methods according to claim 15, it is characterised in that every layer of described suction ripple electromagnetism is thin
The thickness of film is 0.1mm.
28. methods according to claim 15, it is characterised in that the hole of described closed-cell foam plate
Footpath is 10～50 microns.
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| CN201510159118.3A CN106147702B (en) | 2015-04-03 | 2015-04-03 | Wave-absorbing composite material and preparation method thereof |
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| CN201510159118.3A CN106147702B (en) | 2015-04-03 | 2015-04-03 | Wave-absorbing composite material and preparation method thereof |
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| CN106147702B CN106147702B (en) | 2020-07-31 |
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| CN107026329A (en) * | 2017-03-21 | 2017-08-08 | 四川九洲电器集团有限责任公司 | A kind of Luneberg lens antenna |
| CN108617160A (en) * | 2018-06-22 | 2018-10-02 | 四川大学 | A kind of absorbing material and preparation method thereof |
| CN111271527A (en) * | 2020-03-04 | 2020-06-12 | 广东宇顺新材料科技有限公司 | Carbon fiber-PMI composite pipeline and preparation method thereof |
| CN111319312A (en) * | 2020-03-04 | 2020-06-23 | 广东宇顺新材料科技有限公司 | Metal fiber-PMI composite pipeline and preparation method thereof |
| CN111516340A (en) * | 2020-07-03 | 2020-08-11 | 宁波曙翔新材料股份有限公司 | Invisible and anti-damage shielding material and preparation method thereof |
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| CN111271527A (en) * | 2020-03-04 | 2020-06-12 | 广东宇顺新材料科技有限公司 | Carbon fiber-PMI composite pipeline and preparation method thereof |
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| CN111516340A (en) * | 2020-07-03 | 2020-08-11 | 宁波曙翔新材料股份有限公司 | Invisible and anti-damage shielding material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106147702B (en) | 2020-07-31 |
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