CN102963072B - Composite board, metamaterial and preparation methods - Google Patents
Composite board, metamaterial and preparation methods Download PDFInfo
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- CN102963072B CN102963072B CN201210475646.6A CN201210475646A CN102963072B CN 102963072 B CN102963072 B CN 102963072B CN 201210475646 A CN201210475646 A CN 201210475646A CN 102963072 B CN102963072 B CN 102963072B
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Abstract
The invention provides a preparation method of a composite board. The preparation method comprises the following steps: coating hot melt adhesives and metal foils on the upper and/or lower surface of a polystyrene substrate in sequence to form a pre-pressed composite board; arranging rigid boards on the upper and lower surfaces of the pre-pressed composite board respectively to form a pre-pressed whole; and putting the pre-pressed whole into a hot press to be hot-pressed to form the composite board. The invention also relates to the composite board prepared by the method, a preparation method of a metamaterial and the metamaterial. The preparation method has the beneficial effects that the polystyrene is low in dielectric loss and cost, thus being beneficial to obtaining the composite board and metamaterial with low losses and low costs; and the production process is simplified and the cost is reduced by coating the metal foils on the polystyrene substrate by adopting the hot-pressing mode of the hot press, and the peel strength of the metal foils is higher, so the composite board can be widely applied in the field of metamaterial processing.
Description
[technical field]
The present invention relates to artificial electromagnetic material field, relate in particular to the preparation method of a kind of composite plate, composite plate, the preparation method of super material and super material.
[background technology]
Super material refers to artificial composite structure or the composite that some have the not available extraordinary physical property of natural material.Orderly design by the structure on the key physical yardstick at material, can break through the restriction of some surperficial natural law, thereby obtains the meta-materials function that exceeds the intrinsic common character of nature.The character of super material realizes together with the metal micro structure of making the matrix material of super material and manually designing with function.
Current super material is mainly to realize by make metal wire in the copper-clad plate of thermoset glass polymeric resin matrix.Main medium baseplate material is the insulating materials that wiring board industry is used: FR4, PTFE, polyimides etc.Using FR4, polyimides is base material, and its dielectric loss is larger, affects super material property.And using PTFE substrate, its cost is very high, causes super material totle drilling cost significantly to rise, and has limited the scale application of super material.Thermoplastic macromolecule resin's dielectric material loss of polyolefin one class is low, approaches PTFE.But because most polyolefine material polarity is less, surperficial caking property is poor.Use at present the mode of electroplating to cover copper to TPO base material, but the cost of plating mode is high, waste water and waste liquid is many, has higher pollution, and the adhesion of itself and copper is poor, cannot meet processing request.
[summary of the invention]
Technical problem to be solved by this invention is, overcomes high, the with serious pollution problem of existing electroplating copper cost, and a kind of preparation method who uses hot press p-poly-phenyl vinyl tile surface clad with metal foil is provided, and obtains required composite plate.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of preparation method of composite plate is provided, comprises the following steps:
S1, above and/or under polystyrene substrate, surface is covered with successively PUR, metal forming and forms precompressed composite plate;
S2, on the upper and lower surface of precompressed composite plate, being respectively arranged with rigid plate, to form precompressed whole;
S3, precompressed integral body is put into hot press, hot pressing forms composite plate, and wherein, hot pressing temperature is 96 ℃ ~ 170 ℃.
Further, the outside of described rigid plate is also provided with brown paper.
Further, the hot pressing temperature in step S3 is 110 ~ 170 ℃.
Further, the hot pressing temperature in step S3 is 140 ~ 150 ℃.
Further, the hot pressing pressure in step S3 is 3 ~ 50kg/cm
2.
Further, the hot pressing pressure in step S3 is 25 ~ 45kg/cm
2.
Further, the hot pressing time in step S3 is 10 ~ 250 minutes.
Further, the hot pressing time in step S3 is 15 ~ 100 minutes.
Further, described PUR is TPU PUR, PU PUR, PO PUR or EVA PUR.
Further, described metal forming is Copper Foil, silver foil or aluminium foil.
Further, the thickness of described metal forming is 0.005 ~ 0.15 millimeter.
Further, described rigid plate is steel plate, titanium plate, copper coin or rigidity alloy sheets.
Above-mentioned preparation method of the present invention has following beneficial effect: the dielectric loss of polystyrene is little and cost is low, is conducive to obtain composite plate and the super material that loss is little and cost is low; Adopt the preparation method of mode clad with metal foil (for example Copper Foil) on polystyrene substrate of hot press (for example vacuum press) hot pressing to simplify production technology, reduced cost, and pollution-free, and the peel strength of the metal forming pasting met the processing request of super material, the composite plate of therefore being prepared by the method can be widely used in super material processing field.Certainly, the composite plate being obtained by this preparation method can also be applied to other field, for example traditional copper-clad plate field.In addition, by relatively high hot pressing temperature, directly heat up, between polystyrene and heating table top, can not add or add less brown paper, the programming rate of polystyrene is very fast, and production efficiency significantly improves.
The present invention also provides a kind of composite plate in addition, and described composite plate is prepared by above-mentioned preparation method.
The present invention also provides a kind of preparation method of super material in addition, comprises the following steps:
S1, according to above-mentioned preparation method, prepare composite plate;
S2, in the metal forming of composite plate, process the artificial micro-structural of predetermined geometric pattern.
Further, the processing mode of described artificial micro-structural is etching, plating, photoetching, brill is carved or ion is carved.
The present invention also provides a kind of super material, and described super material is prepared by above-mentioned preparation method.
Super material of the present invention possesses following beneficial effect: the dielectric loss of polystyrene is little and cost is low, is conducive to obtain the super material that loss is little and cost is low; The metal forming peel strength pasting has met the processing request of super material, and therefore super material can be in communications field extensive use.
[accompanying drawing explanation]
The flow process chart of Fig. 1 composite plate of the present invention;
Fig. 2 is the structural representation that can realize the super material of wave transparent function according to one embodiment of the invention;
Fig. 3 arranges according to the artificial micro structured pattern that can realize the super material of inhaling wave energy of one embodiment of the invention;
Fig. 4 arranges according to the artificial micro structured pattern of the super material that can realize polarization conversion of one embodiment of the invention;
Fig. 5 arranges according to the artificial micro structured pattern of the super material that can realize wave beam modulation of one embodiment of the invention.
[specific embodiment]
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A preparation method for composite plate, comprises the following steps, as shown in Figure 1.
S1, above and/or under polystyrene substrate, surface is covered with successively PUR, metal forming and forms precompressed composite plate; PUR is preferably TPU PUR, PU PUR, PO PUR or EVA PUR.Described metal forming is Copper Foil, silver foil or aluminium foil, certainly also other available metal forming.Preferably, the thickness of described metal forming is 0.005 ~ 0.15 millimeter.
S2, rigid plate is set respectively on the upper and lower surface of precompressed composite plate, and to form precompressed whole; Described rigid plate can be for example steel plate, titanium plate, copper coin or rigidity alloy sheets.
S3, precompressed integral body is put into hot press, hot pressing forms composite plate, and wherein hot pressing temperature is 96 ~ 170 ℃.Be preferably 110 ~ 150 ℃.In addition, the hot pressing pressure in step S3 can be 3 ~ 50kg/cm
2.Hot pressing time in step S3 can be 15 ~ 250 minutes.
In addition, in step S2, the outside of described rigid plate can also be provided with brown paper.It is mainly the uniformity for compensator or trimmer pressure and raising pressure and temperature that steel plate and brown paper are set.
Certainly, in step S3, can also comprise the step that removes rigid plate and brown paper.
The dielectric loss of polystyrene is little and cost is low, is conducive to obtain composite plate and the super material that loss is little and cost is low; Composite plate prepared by above-mentioned preparation method comprises polystyrene substrate, pastes the hot melt adhesive layer in metal forming and bonding polystyrene substrate and the metal forming on polystyrene substrate surface.This preparation method has simplified production technology, has reduced cost, and pollution-free, and the peel strength of the metal forming pasting met the processing request of super material, so this composite plate can be widely used in super material processing field.In addition, by relatively high hot pressing temperature, directly heat up, between polystyrene and heating table top, can not add or add less brown paper, the programming rate of polystyrene is very fast, and production efficiency significantly improves.
The preparation method of composite plate of the present invention is described by a plurality of embodiment below.
Embodiment mono-
S1, above and/or under polystyrene substrate, to be covered with successively EVA PUR, thickness be that the Copper Foil of 0.01 millimeter forms precompressed composite plate on surface;
S2, thickness is set respectively on the upper and lower surface of precompressed composite plate, and to be that the steel plate of 1mm forms precompressed whole;
S3, precompressed integral body is put between the upper tool palette and lower tool palette of vacuum press, and between upper tool palette and lower tool palette and adjacent steel plate, being also respectively arranged with the brown paper that 1 thickness is 0.1mm, is then that 96 ℃, hot pressing pressure are 50kg/cm in hot pressing temperature
2under condition, hot pressing is 250 minutes, removes brown paper after cooling and steel plate obtains required super Material cladding plate.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example one to obtain, peel strength is 1.1Kgf/cm.
Embodiment bis-
S1, above and/or under polystyrene substrate, to be covered with successively EVA PUR, thickness be that the Copper Foil of 0.01 millimeter forms precompressed composite plate on surface;
S2, thickness is set respectively on the upper and lower surface of precompressed composite plate, and to be that the steel plate of 1mm forms precompressed whole;
S3, precompressed integral body is put between the upper tool palette and lower tool palette of vacuum press, and between upper tool palette and lower tool palette and adjacent steel plate, being also respectively arranged with the brown paper that 1 thickness is 0.1mm, is then that 110 ℃, hot pressing pressure are 45kg/cm in hot pressing temperature
2under condition, hot pressing is 100 minutes, removes brown paper after cooling and steel plate obtains required super Material cladding plate.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example two to obtain, peel strength is 1.3Kgf/cm.
Embodiment tri-
S1, above and/or under polystyrene substrate, to be covered with successively TPU PUR, thickness be that the Copper Foil of 0.075 millimeter forms precompressed composite plate on surface;
S2, thickness is set respectively on the upper and lower surface of precompressed composite plate, and to be that the steel plate of 1.5mm forms precompressed whole;
S3, precompressed integral body being put between the upper tool palette and lower tool palette of vacuum press, is then that 140 ℃, hot pressing pressure are 30kg/cm in hot pressing temperature
2under condition, hot pressing is 15 minutes, removes steel plate after cooling to obtain required super Material cladding plate.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example three to obtain, peel strength is 1.6Kgf/cm.
Embodiment tetra-
S1, above and/or under polystyrene substrate, to be covered with successively TPU PUR, thickness be that the Copper Foil of 0.075 millimeter forms precompressed composite plate on surface;
S2, thickness is set respectively on the upper and lower surface of precompressed composite plate, and to be that the steel plate of 1.5mm forms precompressed whole;
S3, precompressed integral body being put between the upper tool palette and lower tool palette of vacuum press, is then that 150 ℃, hot pressing pressure are 25kg/cm in hot pressing temperature
2under condition, hot pressing is 10 minutes, removes steel plate after cooling to obtain required super Material cladding plate.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example four to obtain, peel strength is 1.7Kgf/cm.
Embodiment five
S1, on the upper and lower surface of polystyrene substrate, to be covered with successively PU PUR, thickness be that the Copper Foil of 0.15 millimeter forms precompressed composite plate;
S2, thickness is set respectively on the upper and lower surface of precompressed composite plate, and to be that the steel plate of 2mm forms precompressed whole;
S3, precompressed integral body being put between the upper tool palette and lower tool palette of vacuum press, is then that 170 ℃, hot pressing pressure are 3kg/cm in hot pressing temperature
2under condition, hot pressing is 5 minutes, removes steel plate after cooling to obtain required super Material cladding plate.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example five to obtain, peel strength is 1.8Kgf/cm.
From above a plurality of embodiment, can find out, utilize the peel strength of the composite plate that above-mentioned preparation method obtains to reach super materials'use requirement, metal forming is also difficult for peeling off.
The present invention also provides a kind of composite plate of being prepared by said method.
The present invention also provides a kind of preparation method of super material, comprises the following steps:
S1, according to above-mentioned preparation method, prepare composite plate;
S2, in the metal forming of composite plate, process the artificial micro-structural of predetermined geometric pattern.The processing mode of artificial micro-structural is etching, plating, photoetching, brill is carved or ion is carved.Preferably adopt etching.
The present invention also provides a kind of super material, by above-mentioned super material preparation method, is made.The super material of making can carry out the modulating actions such as wave transparent, suction ripple, wave beam modulation and polarization conversion for realizing to electromagnetic wave.The concrete function of super material can be realized with pattern by designing arranging of artificial micro-structural.Fig. 2 shows a kind of three-dimensional structure diagram that can realize the super material of wave transparent function.Square shape black pattern in figure is the artificial micro structured pattern after etching.Fig. 3 shows a kind of artificial micro structured pattern that can realize the super material of inhaling wave energy and arranges, artificial micro structured pattern is roughly to arrange in the cycle, each artificial micro-structural topological structure is identical, include five circles with certain live width, wherein arrange in four circle diagonal angles, cornerwise center that another is placed in four circles, the super material with this artificial micro structured pattern has good microwave absorbing property.Fig. 4 is that the artificial micro structured pattern that can realize the super material of polarization conversion is arranged, and conventionally in order to realize the change of better polarization angle, adopts the super material of multilayer to superpose to reach.In Fig. 4, a plurality of rectangular metal sheet cycles arrange, and the dotted line in Fig. 3 and Fig. 4 is only in order to show that each artificial micro-structural is to arrange in the cycle, does not represent an entity.Artificial micro structured pattern shown in Fig. 4 can change the polarization characteristic of incident electromagnetic wave.Fig. 5 is that the artificial micro structured pattern that can realize the super material of wave beam modulation is arranged.Wave beam modulation can be electromagneticly converge, disperse, deviation etc., the artificial micro structured pattern that Fig. 5 provides is arranged and can be realized electromagnetic converging, be similar to flakes, topological structure is identical, but size changes to some extent, the closer to the position at middle part, size is larger, corresponding refractive index is also just larger, so just can realize electromagnetic wave and draw close to the centre of super material.Artificial micro-structural shown in Fig. 5 comprises two metal wires of vertically dividing equally, at the two ends of each metal wire, is connected with metal branch, and the mid point of metal branch is positioned on the end points of metal wire.Super material like this can be applied in above satellite antenna, microwave antenna and distance transmission system etc.
Visible, composite plate provided by the invention, super material and processing method thereof, can be widely used in the communications field.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, within these all belong to protection of the present invention.
Claims (16)
1. a preparation method for composite plate, is characterized in that, comprises the following steps:
S1, above and/or under polystyrene substrate, surface is covered with successively PUR, metal forming and forms precompressed composite plate;
S2, on the upper and lower surface of precompressed composite plate, being respectively arranged with rigid plate, to form precompressed whole;
S3, precompressed integral body is put into hot press, hot pressing forms composite plate, and wherein, hot pressing temperature is 96 ~ 170 ℃.
2. preparation method according to claim 1, is characterized in that, the outside of described rigid plate is also provided with brown paper.
3. preparation method according to claim 1, is characterized in that, the hot pressing temperature in step S3 is 110 ~ 170 ℃.
4. preparation method according to claim 1, is characterized in that, the hot pressing temperature in step S3 is 140 ~ 150 ℃.
5. preparation method according to claim 1, is characterized in that, the hot pressing pressure in step S3 is 3 ~ 50kg/cm
2.
6. preparation method according to claim 1, is characterized in that, the hot pressing pressure in step S3 is 25 ~ 45kg/cm
2.
7. preparation method according to claim 1, is characterized in that, the hot pressing time in step S3 is 10 ~ 250 minutes.
8. preparation method according to claim 1, is characterized in that, the hot pressing time in step S3 is 15 ~ 100 minutes.
9. preparation method according to claim 1, is characterized in that, described PUR is TPU PUR, PU PUR, PO PUR or EVA PUR.
10. preparation method according to claim 1, is characterized in that, described metal forming is Copper Foil, silver foil or aluminium foil.
11. according to the preparation method described in claim 1 or 10, it is characterized in that, the thickness of described metal forming is 0.005 ~ 0.15 millimeter.
12. preparation methods according to claim 1, is characterized in that, described rigid plate is steel plate, titanium plate, copper coin or rigidity alloy sheets.
13. 1 kinds of composite plates, is characterized in that, described composite plate is prepared by the preparation method described in claim 1 to 12 any one.
The preparation method of 14. 1 kinds of super materials, is characterized in that, comprises the following steps:
S1, according to the preparation method described in claim 1 to 12 any one, prepare composite plate;
S2, in the metal forming of composite plate, process the artificial micro-structural of predetermined geometric pattern.
15. preparation methods according to claim 14, is characterized in that, the processing mode of described artificial micro-structural is etching, plating, photoetching, brill is carved or ion is carved.
16. 1 kinds of super materials, is characterized in that, described super material is prepared by the preparation method described in claims 14 or 15.
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| CN104466420A (en) * | 2013-09-18 | 2015-03-25 | 深圳光启高等理工研究院 | Artificial electromagnetic material, manufacturing method of artificial electromagnetic material, antenna housing and antenna system |
| CN104519726A (en) * | 2013-09-29 | 2015-04-15 | 深圳光启创新技术有限公司 | Honeycomb core material, compound wave-absorbing material and honeycomb enhanced metamaterial |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102673049A (en) * | 2012-04-27 | 2012-09-19 | 深圳光启创新技术有限公司 | Super material composite board and processing method thereof |
| CN102673046A (en) * | 2012-04-27 | 2012-09-19 | 深圳光启创新技术有限公司 | Composite board made of metamaterials and preparation method |
| CN102689465A (en) * | 2012-04-27 | 2012-09-26 | 深圳光启创新技术有限公司 | Metamaterial composite plate and method for processing same |
| CN102709703A (en) * | 2012-02-29 | 2012-10-03 | 深圳光启创新技术有限公司 | Manufacturing method of metamaterials and antenna housing made of metamaterials |
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| EP1589054A4 (en) * | 2003-01-31 | 2009-04-29 | Zeon Corp | Polymerizable composition, thermoplastic resin composition, crosslinked resin, and crosslinked resin composite materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709703A (en) * | 2012-02-29 | 2012-10-03 | 深圳光启创新技术有限公司 | Manufacturing method of metamaterials and antenna housing made of metamaterials |
| CN102673049A (en) * | 2012-04-27 | 2012-09-19 | 深圳光启创新技术有限公司 | Super material composite board and processing method thereof |
| CN102673046A (en) * | 2012-04-27 | 2012-09-19 | 深圳光启创新技术有限公司 | Composite board made of metamaterials and preparation method |
| CN102689465A (en) * | 2012-04-27 | 2012-09-26 | 深圳光启创新技术有限公司 | Metamaterial composite plate and method for processing same |
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