CN106336613A - Rubber film, preparation method of rubber film, electromagnetic-wave absorbing prepreg material, and preparation method and applications of electromagnetic-wave absorbing prepreg material - Google Patents
Rubber film, preparation method of rubber film, electromagnetic-wave absorbing prepreg material, and preparation method and applications of electromagnetic-wave absorbing prepreg material Download PDFInfo
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Abstract
The invention provides a rubber film, a preparation method of the rubber film, an electromagnetic-wave absorbing prepreg material, and a preparation method and applications of the electromagnetic-wave absorbing prepreg material. The rubber film comprises a resin matrix, and carbonyl iron powder dispersed in the resin matrix, and the weight ratio of carbonyl iron powder to the resin matrix is controlled to be 3:2-3:1. The rubber film is capable of providing a relatively large amount of carbonyl iron powder with electromagnetic-wave absorbing performance, and can be taken as a donor of the electromagnetic-wave absorbing material of the electromagnetic-wave absorbing prepreg material, and carbonyl iron powder in the rubber film is transferred into the fiber matrix, so that the content of carbonyl iron powder in the electromagnetic-wave absorbing prepreg material is increased obviously compared with that in the prior art; and in addition, the rubber film is taken as the donor to transfer carbonyl iron powder into the fiber matrix, so that operation technology is simplified, and uniform dispersion of carbonyl iron powder in the fiber matrix is realized.
Description
Technical field
The present invention relates to Meta Materials field, in particular to a kind of glued membrane, the manufacture method of glued membrane, inhale ripple prepreg and its
Manufacture method and application.
Background technology
Prepreg be with resin matrix under conditions of strict control impregnating continuous fibres or fabric, make resin matrix and reinforcement
Compositionss, be manufacture composite intermediate materials.There are multiple prepregs, such as carbon fiber prepreg, stone on the market at present
English fiber prepreg material, glass fibre prepreg etc..
Prior art, in order that absorbing material is applied in multiple fields, typically combines to form suction with micro structure and prepreg
Ripple Meta Materials, adopt prepreg, form dielectric layer, electromagnetic wave shape between microstructured layers after prepreg solidification between microstructured layers
Become resonance, produce wave-absorbing effect.But, the prepreg being adopted does not have absorbing property, only dielectric properties, therefore can only fill
Work as dielectric-slab.Therefore, technical staff is also had to be studied to inhaling ripple prepreg, due to prepreg and absorbing material are combined ratio
More difficult, Wu Jian et al. prepares work to Wave suction composite material prepreg in " Wave suction composite material prepreg Study on Preparation "
The problem of skill characteristic and presence is analyzed, and proposes the machinery being combined by double flute roll-type gluing method with spraying cement-dipping method
Change prepreg preparation technology.But, this complicated process of preparation, it is only applicable to the compound of the less absorbing material of consumption, Er Qiesuo
In prepared suction ripple prepreg, absorbing material is less；This preparation technology is more suitable for it is impossible to extend to the absorbing material of fiber-like
Mineral-type absorbing material.
Content of the invention
Present invention is primarily targeted at providing a kind of glued membrane, the manufacture method of glued membrane, inhaling ripple prepreg and preparation method thereof and answer
With to solve the problems, such as that in suction ripple prepreg of the prior art, absorbing material content is relatively low.
To achieve these goals, according to an aspect of the invention, it is provided a kind of glued membrane, this glued membrane include resin matrix and
It is dispersed in the carbonyl iron dust in above-mentioned resin matrix, the weight of above-mentioned carbonyl iron dust and above-mentioned resin matrix is than for 3:2～3:1.
Further, above-mentioned resin matrix is one or more of epoxy resin, polyurethane resin and cyanate ester resin.
Further, the particle diameter of above-mentioned carbonyl iron dust is between 3～5 μm.
Further, the weight of above-mentioned carbonyl iron dust and above-mentioned resin matrix is than for 13:7,3:1 or 3:2.
To achieve these goals, according to an aspect of the invention, it is provided a kind of manufacture method of the above-mentioned glued membrane of any one,
Above-mentioned manufacture method includes: after resin matrix hot melt at a temperature of 120～180 DEG C, passes through 300～600r/min with carbonyl iron dust
Mixing speed stirring mixing, formed premix material；Above-mentioned premix material is made by glued membrane using the tape casting.
Further, in above-mentioned the tape casting implementation process, control curtain coating speed between 2～4m/min.
To achieve these goals, according to an aspect of the invention, it is provided a kind of inhale ripple prepreg, above-mentioned suction ripple prepreg
Including fibrous matrix and the absorbing material dispersion that is dispersed in above-mentioned fibrous matrix, above-mentioned absorbing material dispersion include resin and
Carbonyl iron dust, the weight of above-mentioned carbonyl iron dust and above-mentioned resin is than for 3:2～3:1, above-mentioned carbonyl iron dust in above-mentioned suction ripple prepreg
Content is 60～85wt%
Further, above-mentioned resin is one or more of epoxy resin, polyurethane resin and cyanate ester resin, above-mentioned fiber
Matrix is one or more of aryl fiber cloth, glass fibre and quartz fibre.
Further, the particle diameter of above-mentioned carbonyl iron dust is between 3～5 μm.
To achieve these goals, according to an aspect of the invention, it is provided a kind of absorbing meta-material, this absorbing meta-material bag
Include base material and conductive geometry, above-mentioned base material is the above-mentioned suction ripple prepreg of any one.
To achieve these goals, according to an aspect of the invention, it is provided a kind of wallboard of shelter, including from outside to inside successively
The exterior skin of setting, suction ripple sandwich of layers, adiabator layer and inside panel, above-mentioned suction ripple sandwich of layers includes bottom, inhales ripple intermediate layer
And top layer, above-mentioned suction ripple intermediate layer is the above-mentioned suction ripple prepreg of any one or above-mentioned absorbing meta-material.
To achieve these goals, according to an aspect of the invention, it is provided a kind of inhale ripple prepreg manufacture method, this system
Include as method: step s1, glued membrane is made using above-mentioned manufacture method；Step s2, places between the adjacent glued membrane of volume two
Fiber cloth, forms three-layer sandwich structure；Step s3, carries out roll-in to above-mentioned three-layer sandwich structure, and the pressure of above-mentioned roll-in is
0.2～0.4mpa, the temperature of above-mentioned roll-in is 60～80 DEG C；And step s4, make the above-mentioned glued membrane after roll-in and above-mentioned fiber cloth
Separate, obtain above-mentioned suction ripple prepreg.
Further, in above-mentioned glued membrane, carbonyl iron dust is 2.5～4g/cm2 with respect to the consumption of above-mentioned fiber cloth.
Further, above-mentioned steps s2 and above-mentioned steps s3 are carried out under conditions of above-mentioned three-layer sandwich structure is by running under power,
The speed of service of above-mentioned three-layer sandwich structure is 2～4m/min.
Application technical scheme, carbonyl iron dust is dispersed in resin matrix formation glued membrane, the making of carbonyl iron dust therein
Consumption is larger with respect to the usage amount of resin matrix, and therefore this glued membrane can provide the more carbonyl iron dust with absorbing property；
As the donor of the absorbing material inhaling ripple prepreg, the carbonyl iron dust in glued membrane is transferred to fibrous matrix further with this glued membrane
In so that the content of carbonyl iron dust inhaled in ripple prepreg is significantly improved also relative to prior art；And by carbonyl iron dust with glue
Film enters back in fibrous matrix as donor, so that operating procedure is simplified, and makes carbonyl iron dust equal in fibrous matrix
Even dispersion.
Brief description
The Figure of description constituting the part of the application is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the fabrication processing schematic diagram of the suction ripple prepreg providing according to a kind of preferred embodiment of the present invention；
Fig. 2 shows that embodiment 1 to 3 inhales the reflectance test result schematic diagram of ripple prepreg；
Fig. 3 shows the reflectance test result schematic diagram of the suction ripple prepreg of embodiment 4；And
Fig. 4 shows the reflectance test result schematic diagram of the suction ripple prepreg of embodiment 5～8.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Relatively low in order to solve the problems, such as the absorbing material content inhaling ripple prepreg in prior art, absorbing material and suction ripple technique are entered
Go research, in a kind of typical embodiment, there is provided a kind of glued membrane, this glued membrane includes resin matrix and is dispersed in resin
Carbonyl iron dust in matrix, the weight of carbonyl iron dust and resin matrix is than for 3:2～3:1.
Carbonyl iron dust is dispersed in formation glued membrane, usage amount the making with respect to resin matrix of carbonyl iron dust therein in resin matrix
Large usage quantity, therefore this glued membrane can provide the more carbonyl iron dust with absorbing property；Further with this glued membrane as suction
Carbonyl iron dust in glued membrane is transferred in fibrous matrix so that inhaling the carbonyl in ripple prepreg the donor of the absorbing material of ripple prepreg
The content of base iron powder is significantly improved also relative to prior art；And carbonyl iron dust is entered back into fibrous matrix using glued membrane as donor
In, so that operating procedure is simplified, and make carbonyl iron dust dispersed in fibrous matrix.
Resin matrix employed in the application glued membrane can be the conventional thermoplastic resin in this area or thermosetting resin, in order to have
Preferably heat resistance, preferably above-mentioned resin matrix is one or more of epoxy resin, polyurethane resin and cyanate ester resin.
The carbonyl iron dust that conventional carbonyl iron dust in the market all can be considered as the application uses, so that carbonyl iron dust exists
It is more easy in resin matrix disperse, more preferably, the particle diameter of preferably above-mentioned carbonyl iron dust is 3～5 μm to dispersion effect；Further, in order to
Make the wave-sucking performance of provided glued membrane more preferably, the mass percentage content of the fe of preferably above-mentioned carbonyl iron dust is more than 97%.
In the glued membrane of the application, many major generals of carbonyl iron dust content directly affect its wave-absorbing effect, i.e. the absorbent wave band of glued membrane institute
Directly related with carbonyl iron dust content, the weight of the preferred carbonyl iron dust of the application and resin matrix is than for 13:7,3:1 or 3:2..
In another kind of typical embodiment of the application, there is provided a kind of manufacture method of above-mentioned glued membrane, this manufacture method bag
Include: after resin matrix hot melt at a temperature of 120～180 DEG C, stirred by the mixing speed of 300～600r/min with carbonyl iron dust
Mix mixing, form premix material；Premix material is made by glued membrane using the tape casting.
After resin matrix at the temperature disclosed above hot melt, the mobility of resin matrix and the activity of molecule are higher, therefore by its with
During carbonyl iron dust stirring mixing, carbonyl iron dust with Rate Dispersion faster in resin matrix, and can utilize
The mixing speed of 300～600r/min can not only further speed up dispersive process and can also optimize dispersion effect so that carbonyl iron dust is most
Can be uniformly dispersed in resin matrix；Further premix material is made by glued membrane using the tape casting, the premix material of formation is pressed into piece
Shape.
The process that the application implements above-mentioned the tape casting may be referred to the conventional the tape casting flow process of prior art, and preferably the tape casting was implemented
Cheng Zhong, controls casting rate 2～4m/min.
In another typical embodiment in the application, there is provided a kind of suction ripple prepreg, this suction ripple prepreg includes fiber base
Body and the absorbing material dispersion being dispersed in fibrous matrix, absorbing material dispersion includes resin and carbonyl iron dust, carbonyl iron dust
With the weight of resin ratio for 3:2～3:1, the content inhaling carbonyl iron dust in ripple prepreg is 60～85wt%.
Carbonyl iron dust content in above-mentioned suction ripple prepreg is more, and in fibrous matrix dispersion hence in so that this suction ripple prepreg
Absorbing property is preferable；And the content of above-mentioned carbonyl iron dust is matched with fibrous matrix and resin, maintain the original softness of prepreg
Deformable feature.
In a kind of preferred embodiment of the application, above-mentioned resin is in epoxy resin, polyurethane resin and cyanate ester resin
Plant or multiple, above-mentioned fibrous matrix is one or more of aryl fiber cloth, glass fibre and quartz fibre.Further preferably
Resin is epoxy resin, and fibrous matrix is aryl fiber cloth, and epoxy resin is preferable with the matching property of aryl fiber cloth, Neng Goubao
Hold the deformable feature of the good softness of prepreg.
Identical, 3～5 μm of the carbonyl iron dust preferable particle size of above-mentioned suction ripple prepreg of the reasons why select carbonyl iron dust with glued membrane, fe content
More than 97%.
In another typical embodiment in the application, there is provided a kind of absorbing meta-material, including base material and conductive geometry,
Base material is above-mentioned suction ripple prepreg.In the base material of the absorbing meta-material that the suction ripple prepreg of the application is applied to prior art,
Not only make absorbing meta-material has the wave-absorbing effect of conductive geometry also so that base material has wave-absorbing effect, therefore from different
Conductive geometry coordinated so that the wave-length coverage that absorbed of absorbing meta-material is broader, expanded suction ripple further and surpassed
The range of application of material.
In another typical embodiment in the application, there is provided a kind of wallboard of shelter, outer including set gradually from outside to inside
Eyelid covering, suction ripple sandwich of layers, adiabator layer and inside panel, inhale ripple sandwich of layers and include bottom, inhale ripple intermediate layer and top layer, inhale ripple
What intermediate layer was above-mentioned inhales ripple prepreg or above-mentioned absorbing meta-material.The application is inhaled ripple prepreg or the absorbing meta-material side of being applied to
So that wallboard of shelter is more preferable to the shield effectiveness of radar in bulkhead plate.
In another typical embodiment in the application, there is provided a kind of manufacture method inhaling ripple prepreg, this manufacture method bag
Include: step s1, glued membrane is made using the above-mentioned manufacture method of the application；Step s2, places fine between the adjacent glued membrane of volume two
Wei Bu, forms three-layer sandwich structure；Step s3, carries out roll-in, the pressure of roll-in is 0.2～0.4mpa to three-layer sandwich structure,
The temperature of roll-in is 60～80 DEG C；And step s4, so that the glued membrane after roll-in is separated with fiber cloth, obtain inhaling ripple prepreg.
Using in the glued membrane that the aforementioned manufacture method of the application makes, carbonyl iron dust content in glued membrane is higher and disperses more uniform,
Therefore it is carried out roll-in by carbonyl iron dust therein and resin matrix roll-in to fiber cloth when so that carbonyl iron dust is in fiber cloth
In distribution also relatively uniform；And pass through to control the temperature and pressure of roll-in further so that the resin in glued membrane is in flow regime,
Carbonyl iron dust will enter in fiber cloth under the dual function of rolling pressure and resin flowing as much as possible, and then increased
The content of the carbonyl iron dust in fiber cloth is so that the carbonyl iron dust content finally giving in suction ripple prepreg is more.By above-mentioned system
The process making method understands, this manufacture method is simple with respect to existing manufacture method, technological process is also easily controlled.
In order that the obtained ferrite content inhaled in ripple prepreg is high as much as possible, between 60～85wt%, preferably above-mentioned glue
In film, carbonyl iron dust is 2.5～4g/cm2 with respect to the consumption of fiber cloth.
In a kind of preferred embodiment of the application, above-mentioned steps s2 and step s3 are in three-layer sandwich structure by the bar of running under power
Carry out under part, the speed of service of three-layer sandwich structure is 2～4m/min.The enforcement of above-mentioned manufacture method may be referred to Fig. 1, is leading
Implement above-mentioned steps under conditions of drawing operation, make the formed carbonyl iron dust content inhaled in ripple prepreg more uniform, and make
The enforcement of above steps is easily controlled.
Below with reference to embodiment and comparative example, further illustrate beneficial effects of the present invention.
Embodiment 1
After epoxy resin hot melt at 150 DEG C, with carbonyl iron dust with 2:3 weight than by the mixing speed stirring of 300r/min
Mixing, forms premix material；Casting method is implemented using curtain coating machine equipment continuous rolling glued membrane is made in premix material, the tape casting was implemented
Controlling in journey and prolonging flow velocity degree is 2m/min.Wherein, epoxy resin is produced by Kunshan Yu Bo composite company limited, carbonyl iron dust
The ew iron powder being produced using BASF, the electromagnetic performance of this carbonyl iron dust is as shown in Figure 2.
Glued membrane is placed in decoiling equipment, up and down each a roll, places fiber cloth in the middle of volume two glued membranes and form three-layer sandwich structure, will
Three-layer sandwich structure is drawn, speed of service 2m/min of three-layer sandwich structure；Wherein, fiber cloth is the virtue being produced by E.I.Du Pont Company
Synthetic fibre fiber.
Through cement dipping machine roll-in, the temperature 60 C of roll-in, the pressure 0.4mpa of roll-in, the resin in glued membrane is pressed into fibre with iron powder
In dimension cloth；Continue traction, winding, obtain the suction ripple prepreg of embodiment 1.
Embodiment 2 to 6
Epoxy resin is produced by Kunshan Yu Bo composite company limited, and carbonyl iron dust adopts the ew iron powder that BASF produces, this carbonyl
The electromagnetic performance of base iron powder is as shown in Figure 2.Fiber cloth is the aramid fiber being produced by E.I.Du Pont Company.Implementation process and embodiment 1
Identical, specific consumption and operating parameter are shown in Table 1.
Embodiment 7
The polyurethane resin that new material Science and Technology Ltd. of Hefei CHMC produces, carbonyl iron dust adopts the ew iron powder that BASF produces,
The electromagnetic performance of this carbonyl iron dust is as shown in Figure 2.Fiber cloth is the aramid fiber being produced by E.I.Du Pont Company.Implementation process and enforcement
Example 1 is identical, and specific consumption and operating parameter are shown in Table 1.
Embodiment 8
Epoxy resin is produced by Kunshan Yu Bo composite company limited, and it is limited that carbonyl iron dust opens up paddy superfine powder using Jiangsu Taizhou
The carbonyl iron dust that company produces, the electromagnetic performance of this carbonyl iron dust is as shown in Figure 2.Fiber cloth is the aramid fiber being produced by E.I.Du Pont Company
Fiber.Implementation process is same as Example 1, and specific consumption and operating parameter are shown in Table 1.
Comparative example 1 to 5
Epoxy resin is produced by Kunshan Yu Bo composite company limited, and carbonyl iron dust adopts the ew iron powder that BASF produces, this carbonyl
The electromagnetic performance of base iron powder is as shown in Figure 2.Fiber cloth is the aramid fiber being produced by E.I.Du Pont Company.Implementation process and embodiment 1
Identical, specific consumption and operating parameter are shown in Table 1.
Comparative example 6
Using Wu Jian et al. in the double flute roll-type gluing method of " Wave suction composite material prepreg Study on Preparation " and spraying cement-dipping method
Ripple prepreg is inhaled in combination preparation, and wherein, the ratio of raw material epoxy resin and carbonyl iron dust is 1:3, by epoxy resin at 150 DEG C
Lower hot melt forms resin adhesive liquid, then, takes resin adhesive liquid mixing speed stirring by 450r/min with carbonyl iron dust of 2/3 volume
Mixing, forms and inhales ripple glue, be placed in glue bucket；According to document Fig. 2 flow process i.e.: fiber cloth is put from cloth supply roller respectively
After going out, through tensioning guide roller to glue spreader, under the pressure of pressure roller acts on, resin adhesive liquid is coated onto the face of two pieces of fiber cloth respectively,
Complete prepreg method gum dipping process；Now, control system starts paint finishing work, and the suction ripple glue in glue bucket is pressed 0.03～0.2
The flow of gpm, the pressure atomization of 1～50 bar are deposited on the upper surface in right fiber portion, define the equally distributed suction of absorbent
Ripple glue layer, completes spraying process gum dipping process；The fiber cloth of both sides again through pressure roller extrusion cladding, incubate just to inhale ripple glue layer by bag
Between two pieces of fiber cloth, define the suction ripple prepreg of sandwich structure, through tensioning guide roller to cloth-gathering roller.
Comparative example 7
Epoxy resin is produced by Kunshan Yu Bo composite company limited, and carbon fiber adopts t700.Fiber cloth is to be given birth to by E.I.Du Pont Company
The aramid fiber producing.Implementation process is same as Example 1, and specific consumption and operating parameter are shown in Table 1.
The suction ripple prepreg that each embodiment and comparative example are obtained is cut into after 300mm*300mm lamination, uses vacuum bag at 150 DEG C
Moulding process prepares reflectance test sample, and the thickness of sample is 1mm.Carbonyl iron dust content is measured with precision balance method, instead
Penetrate rate test to be defined by gjb2038-94, the pliability inhaling ripple prepreg adopts high-accuracy pull test machine testing, and testing result is shown in
Table 2, Fig. 3 and Fig. 4, the reflectance in table 2 each means the reflectance in 1ghz.
Table 1
Table 2
| Carbonyl iron dust content | Pliability parameter | Reflectance | |
| Embodiment 1 | 60% | Preferably | -2 |
| Embodiment 2 | 60% | Preferably | -2.5 |
| Embodiment 3 | 60% | Preferably | -3 |
| Embodiment 4 | 80% | Poor | -1 |
| Embodiment 5 | 70% | Typically | -3 |
| Embodiment 6 | 70% | Typically | -3 |
| Embodiment 7 | 70% | Typically | -2 |
| Embodiment 8 | 70% | Typically | -3 |
| Comparative example 1 | 80% | Very poor | -3 |
| Comparative example 2 | 40% | Very poor | -4 |
| Comparative example 3 | 56% | Typically | -4 |
| Comparative example 4 | 56% | Typically | -4 |
| Comparative example 5 | 56% | Typically | -4 |
| Comparative example 6 | 20% | Very poor | -5 |
| Comparative example 7 | 50% | Typically | -4 |
Can be seen that especially embodiment 6 and contrast from the data of the enforcement of above-described embodiment, table 1, table 2, Fig. 3 and Fig. 4
Example 1, the Data Comparison of comparative example 2 can be seen that the application by the considered critical to resin matrix and carbonyl iron dust consumption,
Ensure that the formed absorbing property of suction ripple prepreg and softness；Secondly, by embodiment 6 and comparative example 2, comparative example
3rd, the comparison of comparative example 4 and comparative example 5 can be seen that the limit that the application passes through each implementing process parameter to suction ripple prepreg
Fixed it is ensured that inhaling in ripple prepreg the content of carbonyl iron dust and uniformly dispersed, and then make reflectance be improved significantly, that is,
Ensure that the absorbing property inhaling ripple prepreg；Further, compared by embodiment 6 and comparative example 6 and can be seen that using right
Even if employing more carbonyl iron dust in the method raw material of ratio 6, but the absorbing property of the suction ripple prepreg obtaining does not have
Get a promotion, illustrate substantial amounts of carbonyl iron dust can not be made to be dispersed in resin and enter in fiber cloth using the method.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
Carbonyl iron dust is dispersed in formation glued membrane, usage amount the making with respect to resin matrix of carbonyl iron dust therein in resin matrix
Large usage quantity, therefore this glued membrane can provide the more carbonyl iron dust with absorbing property；Further with this glued membrane as suction
The donor of the absorbing material of ripple prepreg by modes such as roll-ins, the carbonyl iron dust in glued membrane is pressed in the fibrous matrix of prepreg,
Can prepare from there through simple technique and inhale ripple prepreg and inhale the content of the carbonyl iron dust in ripple prepreg also relative to existing
Technology is had to increase.
Using in the glued membrane that the aforementioned manufacture method of the application makes, carbonyl iron dust content in glued membrane is higher and disperses more uniform,
Therefore it is carried out roll-in by carbonyl iron dust therein and resin matrix roll-in to fiber cloth when so that carbonyl iron dust is in fiber cloth
In distribution also relatively uniform；And pass through to control the temperature and pressure of roll-in further so that the resin in glued membrane is in flow regime,
Carbonyl iron dust will enter in fiber cloth under the dual function of rolling pressure and resin flowing as much as possible, and then increased
The content of the carbonyl iron dust in fiber cloth is so that the carbonyl iron dust content finally giving in suction ripple prepreg is more.By above-mentioned system
The process making method understands, this manufacture method is simple with respect to existing manufacture method, technological process is also easily controlled.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made, etc.
With replacing, improving etc., should be included within the scope of the present invention.
Claims (14)
1. a kind of glued membrane is it is characterised in that include resin matrix and the carbonyl iron dust being dispersed in described resin matrix, described carbonyl
The weight of iron powder and described resin matrix is than for 3:2～3:1.
2. glued membrane according to claim 1 is it is characterised in that described resin matrix is epoxy resin, polyurethane resin and cyanogen
One or more of acid ester resin.
3. glued membrane according to claim 1 is it is characterised in that the particle diameter of described carbonyl iron dust is between 3～5 μm.
4. glued membrane according to claim 1 it is characterised in that described carbonyl iron dust and described resin matrix weight than for 13:7,
3:1 or 3:2.
5. a kind of manufacture method of the glued membrane any one of Claims 1-4 is it is characterised in that described manufacture method includes:
After resin matrix hot melt at a temperature of 120～180 DEG C, pass through the stirring speed of 300～600r/min with carbonyl iron dust
Degree stirring mixing, forms premix material；
Described premix material is made by glued membrane using the tape casting.
6. the manufacture method according to right 5 is it is characterised in that in described the tape casting implementation process, control curtain coating speed to exist
Between 2～4m/min.
7. a kind of suction ripple prepreg is it is characterised in that described suction ripple prepreg includes fibrous matrix and is dispersed in described fibrous matrix
Absorbing material dispersion, described absorbing material dispersion includes resin and carbonyl iron dust, described carbonyl iron dust and described tree
For 3:2～3:1, the content of carbonyl iron dust described in described suction ripple prepreg is 60～85wt% to the weight of fat ratio.
8. according to claim 7 suction ripple prepreg it is characterised in that described resin be epoxy resin, polyurethane resin with
One or more of cyanate ester resin, described fibrous matrix is in aryl fiber cloth, glass fibre and quartz fibre
Plant or multiple.
9. suction ripple prepreg according to claim 7 is it is characterised in that the particle diameter of described carbonyl iron dust is between 3～5 μm.
10. a kind of absorbing meta-material, including base material and conductive geometry it is characterised in that described base material is claim 7 to 9
Any one of suction ripple prepreg.
A kind of 11. wallboard of shelters, including the exterior skin setting gradually from outside to inside, inhale ripple sandwich of layers, adiabator layer and inside panel,
Described suction ripple sandwich of layers includes bottom, inhales ripple intermediate layer and top layer it is characterised in that described suction ripple intermediate layer will for right
Seek the absorbing meta-material inhaled described in ripple prepreg or claim 10 any one of 7 to 9.
A kind of 12. manufacture methods inhaling ripple prepreg are it is characterised in that described manufacture method includes:
Step s1, makes glued membrane using the manufacture method described in claim 5 or 6；
Step s2, places fiber cloth between the adjacent glued membrane of volume two, forms three-layer sandwich structure；
Step s3, carries out roll-in, the pressure of described roll-in is 0.2～0.4mpa, described roll-in to described three-layer sandwich structure
Temperature be 60～80 DEG C；And
Step s4, makes the described glued membrane after roll-in separate with described fiber cloth, obtains described suction ripple prepreg.
13. manufacture methods according to right 12 are it is characterised in that carbonyl iron dust is with respect to the use of described fiber cloth in described glued membrane
Measure as 2.5～4g/cm2.
14. manufacture methods according to right 12 are it is characterised in that described step s2 and described step s3 are in described three-layer sandwich
Structure is carried out under conditions of running under power, and the speed of service of described three-layer sandwich structure is 2～4m/min.
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| CN201510406327.3A CN106336613A (en) | 2015-07-10 | 2015-07-10 | Rubber film, preparation method of rubber film, electromagnetic-wave absorbing prepreg material, and preparation method and applications of electromagnetic-wave absorbing prepreg material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109593357A (en) * | 2018-12-10 | 2019-04-09 | 苏州大学 | Epoxy/cyanic acid ester group composite laminate |
| CN110256848A (en) * | 2019-07-19 | 2019-09-20 | 航天特种材料及工艺技术研究所 | A kind of magnetoelectric composites and preparation method thereof |
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| CN109593357A (en) * | 2018-12-10 | 2019-04-09 | 苏州大学 | Epoxy/cyanic acid ester group composite laminate |
| CN109593357B (en) * | 2018-12-10 | 2021-05-25 | 苏州大学 | Epoxy/cyanate ester based composite laminate |
| CN110256848A (en) * | 2019-07-19 | 2019-09-20 | 航天特种材料及工艺技术研究所 | A kind of magnetoelectric composites and preparation method thereof |
| CN110256848B (en) * | 2019-07-19 | 2021-10-19 | 航天特种材料及工艺技术研究所 | Electromagnetic composite material and preparation method thereof |
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