CN102963070A - Composite board, metamaterial and preparation methods - Google Patents
Composite board, metamaterial and preparation methods Download PDFInfo
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- CN102963070A CN102963070A CN2012104756358A CN201210475635A CN102963070A CN 102963070 A CN102963070 A CN 102963070A CN 2012104756358 A CN2012104756358 A CN 2012104756358A CN 201210475635 A CN201210475635 A CN 201210475635A CN 102963070 A CN102963070 A CN 102963070A
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Abstract
The invention provides a preparation method of a composite board. The preparation method comprises the following steps: S1. coating hot melt adhesives on the upper and/or lower surface of a polystyrene substrate and putting the polystyrene substrate into a hot roller press to be hot-pressed to form a pre-pressed substrate; S2. coating metal foils on the upper and/or lower surface of the pre-pressed substrate to form a pre-pressed composite board; and S3. putting the pre-pressed composite board into the hot roller press to be hot-pressed to form the composite board, wherein the hot-press temperature is 121-280 DEG C. The preparation method has the beneficial effects that the processing method for coating the metal foils (such as copper foils) on the polystyrene substrate by using the hot-pressing mode of the hot roller press in two steps cannot cause wrinkling of the metal foils due to too fast cooling and the metamaterial composite board with smooth surface is obtained; and the processing method is conductive to simplifying the production process and reducing the cost and is pollution-free and the metal foil coating bonding force meets the processing requirement of a metamaterial, so the metamaterial composite board can be widely applied in the field of the metamaterial processing.
Description
[technical field]
The present invention relates to the artificial electromagnetic material field, relate in particular to the preparation method of a kind of composite plate, composite plate, super material preparation method 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 of material can break through the restriction of some surperficial natural law, thereby obtains to exceed the meta-materials function of the intrinsic common character of nature.Super material character and function are realized together by the metal micro structure of the matrix material of making super material and artificial design.
Present super material mainly is to realize by making metal wire in the copper-clad plate of thermoset glass polymeric resin matrix.The main medium baseplate material is the employed insulating materials of wiring board industry: FR4, PTFE, polyimides etc.Use FR4, polyimides to be base material, its dielectric loss is larger, affects super material property.And using the PTFE substrate, its cost is very high, causes super material totle drilling cost significantly to rise, and has limited the scale of super material and has used.Thermoplastic macromolecule resin's dielectric material loss of polyolefin one class is low, near PTFE.But because most polyolefine material polarity is less, surperficial caking property is relatively poor.Use at present the mode of electroplating that the TPO base material is covered copper, 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 relatively poor, can't satisfy processing request.
[summary of the invention]
Technical problem to be solved by this invention is, overcome existing electroplating copper cost height, with serious pollution problem, provide a kind of two steps to use the processing method of hot-rolling press p-poly-phenyl vinyl tile surface clad with metal foil, prevent because of the too fast wrinkling defective of metal forming that causes of lowering the temperature, obtain the super Material cladding plate of surfacing.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of preparation method of composite plate is provided, may further comprise the steps:
S1, the surface is covered with PUR and puts into the hot pressing of hot-rolling press and form the precompressed substrate above and/or under the polystyrene substrate;
S2, the surface is covered with metal forming and forms the precompressed composite plate above and/or under the precompressed substrate;
S3, the precompressed composite plate is put into the hot-rolling press, hot pressing forms composite plate, and wherein, hot pressing temperature is 121 ~ 280 ℃.
Further, the hot pressing temperature among the step S3 is 140 ~ 200 ℃.
Further, the roll-in pressure among the step S3 is 2 ~ 30kg/cm
2
Further, the roll-in pressure among the step S3 is 10 ~ 20kg/cm
2
Further, the roll-in speed among the step S3 is 1.1 ~ 30m/min.
Further, the roll-in speed among the step S3 is 5 ~ 20m/min.
Further, the hot pressing temperature among the step S1 is 80 ~ 280 ℃.
Further, the hot pressing temperature among the step S1 is 100 ~ 200 ℃.
Further, the roll-in pressure among the step S1 is 2 ~ 30kg/cm
2
Further, the roll-in pressure among the step S1 is 10 ~ 20kg/cm
2
Further, the roll-in speed among the step S1 is 1.1 ~ 30m/min.
Further, the roll-in speed among the step S1 is 5 ~ 20m/min.
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.
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; Two steps were used the processing method of mode clad with metal foil (for example Copper Foil) on the polystyrene substrate of hot-rolling press hot pressing, can not cause metal forming wrinkling because cooling is too fast, obtain the super Material cladding plate of surfacing, and this processing method simplified production technology, reduced cost, pollution-free, the metal forming peel strength that pastes has satisfied the processing request of super material, therefore should can be widely used in super material processing field by super Material cladding plate.Certainly, the composite plate that is obtained by this preparation method can also be applied to other field, for example traditional copper-clad plate field.In addition, because this preparation method's hot pressing temperature is higher, by the huge temperature difference between hot-rolling and the metal forming thawing speed of PUR is accelerated, roll-in speed significantly improves, and production efficiency 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 super material preparation method in addition, may further comprise the steps:
S1, prepare composite plate according to above-mentioned preparation method;
S2, process the artificial micro-structural of predetermined geometric pattern in the metal forming of composite plate.
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 that pastes has satisfied the processing request of super material, and therefore super material can be in communications field extensive use.
[description of drawings]
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 of super material of inhaling wave energy that can realize 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 the wave beam modulation of one embodiment of the invention.
[specific embodiment]
In order to make purpose 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 kind of preparation method of composite plate may further comprise the steps, as shown in Figure 1.
S1, the surface is covered with PUR and puts into the hot pressing of hot-rolling press and form the precompressed substrate above and/or under the polystyrene substrate; PUR is preferably TPU PUR, PU PUR, PO PUR or EVA PUR.Preferably, the hot pressing temperature among the step S1 is 80 ~ 280 ℃.Preferably, the roll-in pressure among the step S1 is 2 ~ 30kg/cm
2Preferably, the roll-in speed among the step S1 is 2 ~ 30min/m.
S2, the surface is covered with metal forming and forms the precompressed composite plate above and/or under the precompressed substrate; 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.
S3, the precompressed composite plate is put into the hot-rolling press, hot pressing forms composite plate, and wherein, hot pressing temperature is 121 ~ 280 ℃.Hot pressing temperature is preferably 140 ~ 200 ℃.In addition, the roll-in pressure among the step S3 can be 2 ~ 30kg/cm
2Roll-in speed among the step S2 can be 2 ~ 30m/min.
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; The super Material cladding plate of above-mentioned processing method preparation comprises the polystyrene substrate, pastes the hot melt adhesive layer in metal forming and bonding polystyrene substrate and the metal forming on polystyrene substrate surface.Polystyrene substrate, PUR, metal forming (such as Copper Foil) three's thermal coefficient of expansion is different, causes shrinking difference, thereby produces the wrinkling problem of Copper Foil; Two steps were all used the processing method of mode clad with metal foil (for example Copper Foil) on the polystyrene substrate of hot-rolling press hot pressing, can not cause metal forming wrinkling because cooling is too fast, obtain the super Material cladding plate of surfacing, and this processing method simplified production technology, reduced cost, pollution-free, the peel strength of the metal forming that pastes has satisfied the processing request of super material, therefore should can be widely used in super material processing field by super Material cladding plate.In addition, because this preparation method's hot pressing temperature is higher, by the huge temperature difference between hot-rolling and the metal forming thawing speed of PUR is accelerated, roll-in speed significantly improves, and production efficiency improves.
Below by a plurality of embodiment the preparation method of composite plate of the present invention is described.
Embodiment one
S1, the surface is covered with the EVA PUR and puts into the hot pressing of hot-rolling press and form the precompressed substrate above and/or under the polystyrene substrate; Its hot pressing temperature is that 121 ℃, roll-in pressure are 20kg/cm
2, roll-in speed is 1.1m/min;
S2, to be covered with thickness be that 0.02 millimeter Copper Foil forms the precompressed composite plate on the surface above and/or under the precompressed substrate;
S3, the precompressed composite plate is put into the hot pressing of hot-rolling press form super Material cladding plate, its hot pressing temperature is that 121 ℃, roll-in pressure are 20kg/cm
2, roll-in speed is 1.1m/min.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example one to obtain, peel strength is 1.8Kgf/cm.
Embodiment two
S1, the surface is covered with the EVA PUR and puts into the hot pressing of hot-rolling press and form the precompressed substrate above and/or under the polystyrene substrate; Its hot pressing temperature is that 100 ℃, roll-in pressure are 15kg/cm
2, roll-in speed is 2m/min;
S2, to be covered with thickness be that 0.02 millimeter Copper Foil forms the precompressed composite plate on the surface above and/or under the precompressed substrate;
S3, the precompressed composite plate is put into the hot pressing of hot-rolling press form super Material cladding plate, its hot pressing temperature is that 140 ℃, roll-in pressure are 20kg/cm
2, roll-in speed is 3m/min.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example two to obtain, peel strength is 1.7Kgf/cm.
Embodiment three
S1, the surface is covered with the EVA PUR and puts into the hot pressing of hot-rolling press and form the precompressed substrate above and/or under the polystyrene substrate; Its hot pressing temperature is that 140 ℃, roll-in pressure are 2kg/cm
2, roll-in speed is 20m/min;
S2, to be covered with thickness be that 0.02 millimeter Copper Foil forms the precompressed composite plate on the surface above and/or under the precompressed substrate;
S3, the precompressed composite plate is put into the hot pressing of hot-rolling press form super Material cladding plate, its hot pressing temperature is that 180 ℃, roll-in pressure are 2kg/cm
2, roll-in speed is 20m/min.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example three to obtain, peel strength is 1.5Kgf/cm.
Embodiment four
S1, the surface is covered with the PU PUR and puts into the hot pressing of hot-rolling press and form the precompressed substrate above and/or under the polystyrene substrate; Its hot pressing temperature is that 180 ℃, roll-in pressure are 10kg/cm
2, roll-in speed is 30m/min;
S2, to be covered with thickness be that 0.02 millimeter Copper Foil forms the precompressed composite plate on the surface above and/or under the precompressed substrate;
S3, the precompressed composite plate is put into the hot pressing of hot-rolling press form super Material cladding plate, its hot pressing temperature is that 200 ℃, roll-in pressure are 10kg/cm
2, roll-in speed is 30m/min.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example four to obtain, peel strength is 1.5Kgf/cm.
Embodiment five
S1, the surface is covered with the PO PUR and puts into the hot pressing of hot-rolling press and form the precompressed substrate above and/or under Merlon (polyester a kind of) substrate; Its hot pressing temperature is that 180 ℃, roll-in pressure are 10kg/cm
2, roll-in speed is 5m/min;
S2, to be covered with thickness be that 0.02 millimeter Copper Foil forms the precompressed composite plate on the surface above and/or under the precompressed substrate;
S3, the precompressed composite plate is put into the hot pressing of hot-rolling press form super Material cladding plate, its hot pressing temperature is that 220 ℃, roll-in pressure are 10kg/cm
2, roll-in speed is 5m/min.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example five to obtain, peel strength is 1Kgf/cm.
Embodiment six
S1, the surface is covered with the PO PUR and puts into the hot pressing of hot-rolling press and form the precompressed substrate above and/or under Merlon (polyester a kind of) substrate; Its hot pressing temperature is that 200 ℃, roll-in pressure are 5kg/cm
2, roll-in speed is 12m/min;
S2, to be covered with thickness be that 0.02 millimeter Copper Foil forms the precompressed composite plate on the surface above and/or under the precompressed substrate;
S3, the precompressed composite plate is put into the hot pressing of hot-rolling press form super Material cladding plate, its hot pressing temperature is that 280 ℃, roll-in pressure are 5kg/cm
2, roll-in speed is 12m/min.
The composite plate that adopts peel strength tester (IPC-TM-650) test implementation example six to obtain, peel strength is 1.1Kgf/cm.
From above a plurality of embodiment, can find out that utilize the peel strength of the composite plate that above-mentioned preparation method obtains to reach super materials'use requirement, metal forming also is difficult for peeling off.
The present invention also provides a kind of composite plate by the said method preparation.
The present invention also provides a kind of super material preparation method, may further comprise the steps:
S1, prepare composite plate according to above-mentioned preparation method;
S2, process the artificial micro-structural of predetermined geometric pattern in the metal forming of composite plate.The processing mode of artificial micro-structural is etching, plating, photoetching, brill is carved or ion is carved.Preferred employing etching.
The present invention also provides a kind of super material, is made by above-mentioned super material preparation method.The super material of making can be used for realization and electromagnetic wave be carried out the modulating actions such as wave transparent, suction ripple, wave beam modulation and polarization conversion.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 among the figure is the artificial micro structured pattern after the etching.Fig. 3 shows a kind of artificial micro structured pattern that can realize inhaling the super material of wave energy and arranges, artificial micro structured pattern roughly is 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 places four circles, the super material with this artificial micro structured pattern has preferably microwave absorbing property.Fig. 4 is that the artificial micro structured pattern that can realize the super material of polarization conversion is arranged, and usually for the change of the angle that realizes better polarizing, adopts the super material of multilayer to superpose to reach.A plurality of rectangular metal sheet cycles arrange among Fig. 4, and the dotted line among 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 Figure 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, and the closer to the position at middle part, size is larger, corresponding refractive index is also just larger, so just can realize that electromagnetic wave draws close to the centre of super material.Artificial micro-structural shown in Figure 5 comprises two metal wires of vertically dividing equally, is connected with metal branch at the two ends of each metal wire, 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 the distance transmission system etc.
As seen, composite plate provided by the invention, super material and processing method thereof can be widely used in the communications field.
The above is described embodiments of the invention by reference to the accompanying drawings; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (19)
1. the preparation method of a composite plate is characterized in that, may further comprise the steps:
S1, the surface is covered with PUR and puts into the hot pressing of hot-rolling press and form the precompressed substrate above and/or under the polystyrene substrate;
S2, the surface is covered with metal forming and forms the precompressed composite plate above and/or under the precompressed substrate;
S3, the precompressed composite plate is put into the hot-rolling press, hot pressing forms composite plate, and wherein, hot pressing temperature is 121 ~ 280 ℃.
2. preparation method according to claim 1 is characterized in that, the hot pressing temperature among the step S3 is 140 ~ 200 ℃.
3. preparation method according to claim 1 is characterized in that, the roll-in pressure among the step S3 is 2 ~ 30kg/cm
2
4. preparation method according to claim 1 is characterized in that, the roll-in pressure among the step S3 is 10 ~ 20kg/cm
2
5. preparation method according to claim 1 is characterized in that, the roll-in speed among the step S3 is 1.1 ~ 30m/min.
6. preparation method according to claim 1 is characterized in that, the roll-in speed among the step S3 is 5 ~ 20m/min.
7. preparation method according to claim 1 is characterized in that, the hot pressing temperature among the step S1 is 80 ~ 280 ℃.
8. preparation method according to claim 1 is characterized in that, the hot pressing temperature among the step S1 is 100 ~ 200 ℃.
9. preparation method according to claim 1 is characterized in that, the roll-in pressure among the step S1 is 2 ~ 30kg/cm
2
10. preparation method according to claim 1 is characterized in that, the roll-in pressure among the step S1 is 10 ~ 20kg/cm
2
11. preparation method according to claim 1 is characterized in that, the roll-in speed among the step S 1 is 1.1 ~ 30m/min.
12. preparation method according to claim 1 is characterized in that, the roll-in speed among the step S1 is 5 ~ 20m/min.
13. preparation method according to claim 1 is characterized in that, described PUR is TPU PUR, PU PUR, PO PUR or EVA PUR.
14. preparation method according to claim 1 is characterized in that, described metal forming is Copper Foil, silver foil or aluminium foil.
15. according to claim 1 or 14 described preparation methods, it is characterized in that the thickness of described metal forming is 0.005 ~ 0.15 millimeter.
16. a composite plate is characterized in that, described composite plate is prepared by the described preparation method of claim 1 to 15 any one.
17. a super material preparation method is characterized in that, may further comprise the steps:
S1, prepare composite plate to the described preparation method of 15 any one according to claim 1;
S2, process the artificial micro-structural of predetermined geometric pattern in the metal forming of composite plate.
18. preparation method according to claim 17 is characterized in that, the processing mode of described artificial micro-structural is etching, plating, photoetching, brill is carved or ion is carved.
19. a super material is characterized in that, described super material is prepared by claim 17 or 18 described preparation methods.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105459502A (en) * | 2015-12-17 | 2016-04-06 | 东莞市卡尔文塑胶科技有限公司 | Composite copper clad plate based on superconducting base plate and preparation method thereof |
| CN110154608A (en) * | 2019-05-31 | 2019-08-23 | 深圳市富立五金工艺品有限公司 | A kind of gold stamping silk-screen of handicraft surface and imitative golden product surface electroplating technology |
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| CN102673050A (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 processing method |
| CN102689464A (en) * | 2012-04-27 | 2012-09-26 | 深圳光启创新技术有限公司 | Metamaterial composite plates and processing method thereof |
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- 2012-11-21 CN CN 201210475635 patent/CN102963070B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102673050A (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 processing method |
| CN102689464A (en) * | 2012-04-27 | 2012-09-26 | 深圳光启创新技术有限公司 | Metamaterial composite plates and processing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105459502A (en) * | 2015-12-17 | 2016-04-06 | 东莞市卡尔文塑胶科技有限公司 | Composite copper clad plate based on superconducting base plate and preparation method thereof |
| CN110154608A (en) * | 2019-05-31 | 2019-08-23 | 深圳市富立五金工艺品有限公司 | A kind of gold stamping silk-screen of handicraft surface and imitative golden product surface electroplating technology |
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Effective date of registration: 20210407 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 18B, building a, CIC international business center, 1061 Xiangmei Road, Futian District, Shenzhen, Guangdong 518034 Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |