CN111132531A - Wave-absorbing material and laminating process thereof - Google Patents
Wave-absorbing material and laminating process thereof Download PDFInfo
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- CN111132531A CN111132531A CN201811297884.6A CN201811297884A CN111132531A CN 111132531 A CN111132531 A CN 111132531A CN 201811297884 A CN201811297884 A CN 201811297884A CN 111132531 A CN111132531 A CN 111132531A
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- wave
- absorbing material
- release film
- pressing
- hard gasket
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0088—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a plurality of shielding layers; combining different shielding material structure
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
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Abstract
The invention discloses a wave absorbing material and a pressing process thereof, and the wave absorbing material comprises a first hard gasket, a first release film, a wave absorbing material, a second release film and a second hard gasket, wherein the upper end surface and the lower end surface of the wave absorbing material are respectively provided with the first release film and the second release film, the upper end surface of the first release film is provided with the first hard gasket, the lower end surface of the second release film is provided with the second hard gasket, one side of two side edges of the wave absorbing material is provided with a fixing part, the specifications of the two fixing parts are consistent, the middle parts of one side surfaces of the two fixing parts, which are close to the side edges of the wave absorbing material, are provided with grooves, the two grooves are respectively matched with the two side edges of the wave absorbing material, and the two side edges of the wave absorbing material are respectively inserted into the two grooves to be connected with the fixing parts Thinner and higher magnetic conductivity, and can be directly applied to the radiation protection field of electronic products.
Description
The technical field is as follows:
the invention belongs to the technical field of wave-absorbing material manufacturing, and particularly relates to a wave-absorbing material and a laminating process thereof.
Background art:
the electromagnetic pollution becomes the most main physical pollution of ecological environment in the 21 st century, electromagnetic radiation is ubiquitous, operation of airplanes, vehicles, electric appliances and electronic products can be abnormal and malfunction, even the electric appliances and the electronic products can be damaged, human health can be damaged, and various diseases of human bodies can be caused, so that the electromagnetic pollution is treated, and the material wave-absorbing material capable of resisting and weakening electromagnetic wave radiation is developed and prepared, and is a great direction of the material manufacturing industry at present.
The common coating type wave absorbing material is formed by compounding a binder and an absorbent, is simple and practical to manufacture and is wide in application range, but the coating type wave absorbing material has rough surface, too thick thickness and poor performance and cannot be directly used in the field of radiation protection.
If the defects of the wave absorbing material coating process are overcome, the wave absorbing material can be directly introduced into practical application, and the method has great practical significance.
The invention content is as follows:
the invention aims to provide a wave-absorbing material and a laminating process thereof in order to solve the problems, and the problems that the common coating type wave-absorbing material is rough in surface, too thick in thickness and poor in performance and cannot be directly applied to the field of radiation protection are solved.
In order to solve the above problems, the present invention provides a technical solution:
the invention provides a wave-absorbing material, which comprises a first hard gasket, a first release film, a wave-absorbing material, a second release film and a second hard gasket, wherein the upper end surface and the lower end surface of the wave-absorbing material are respectively provided with the first release film and the second release film, the upper end surface of the first release film is provided with the first hard gasket, the lower end surface of the second release film is provided with the second hard gasket, one side of two side edges of the wave-absorbing material is provided with a fixing piece, the specifications of the two fixing pieces are consistent, the middle parts of one side surfaces of the two fixing pieces, which are close to the side edges of the wave-absorbing material, are respectively provided with a groove, the two grooves are respectively designed to be matched with the two side edges of the wave-absorbing material, the two side edges of the wave-absorbing material are respectively inserted into the two grooves to be connected with the fixing pieces, the upper end surface and the lower, two support wing plates of the upper end face and the lower end face of the fixing part are attached to the corresponding side edges of the end face of the fixing part, two installation wing blocks are fixedly installed in the middle of the fixing part, far away from one side of the fixing part, two square through holes are formed in the middle of the upper end face and the lower end face of each installation wing block in a penetrating mode.
Preferably, the first hard gasket and the second hard gasket have high thermal conductivity and high hardness and are made of metal iron materials.
Preferably, the first release film and the second release film both have double-sided release, and are made of high-temperature-resistant materials, preferably PET (polyethylene terephthalate) film materials.
Preferably, the wave-absorbing material is formed by adding a wave-absorbing material (absorbent) and various auxiliaries into a resin matrix (adhesive), and the wave-absorbing material is preferably a ferrite material.
Preferably, the fixing member, the support wing plate and the mounting wing block are all made of stainless steel material.
The invention also provides a pressing process of the wave-absorbing material, which comprises the following steps:
step one, laminating and pressing are adopted, namely a first hard gasket, a first release film, a wave absorbing material, a second release film and a second hard gasket are in a unit cycle;
taking down the fixing piece, the supporting wing plate and the mounting wing block which are matched with the fixing piece from two ends of the wave-absorbing material, and placing the wave-absorbing material, the first hard gasket, the second release film and the second hard gasket on a hot press for hot pressing;
and step three, after hot pressing, transferring the wave absorbing material, the first hard gasket, the second release film and the second hard gasket to a cold press for cold pressing.
Preferably, the number of unit cycles in each lamination of the lamination pressing is not less than 1, and the hard gasket is shared between the adjacent unit cycles.
Preferably, the laminating and pressing are combined by hot pressing and cold pressing, namely, cold pressing is carried out in a sequential connection mode after hot pressing, the hot pressing and the cold pressing times are not limited, the hot pressing and the cold pressing times are not less than 1, and the hot pressing and the cold pressing times are consistent or inconsistent.
Preferably, the heating degree of the hot pressing is 100-300 ℃, the applied pressure is 50-400 kg, and the pressing time is 200-1000 s.
Preferably, the hot pressing temperature is natural temperature but not more than 40 ℃, the applied pressure is 50-400 kg, and the pressing time is 200-1000 s.
The invention has the beneficial effects that: the invention perfectly solves the subsequent processing process of the ferrite wave-absorbing material after coating, and leads the ferrite wave-absorbing material to have qualitative change in appearance and performance. Through the process, the thickness of the product is reduced to about 1/3 (below 50 mu m) and the surface becomes finer and smoother; the magnetic conductivity (frequency is 3MHz) of the wave absorbing material is improved to more than 200uH/m from the original 50 uH/m; the processed wave-absorbing material accords with the characteristics of lighter weight and thinner thickness, has higher magnetic conductivity, and can be directly applied to the radiation protection field of electronic products.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic structural view of the wave-absorbing material of the present invention;
FIG. 4 is a schematic diagram of a groove structure according to the present invention.
In the figure: 1. a first hard pad; 2. a first release film; 3. a wave absorbing material; 4. a second release film; 5. a second hard pad; 6. a fixing member; 7. a groove; 8. a support wing plate; 9. installing a wing block; 10. and a square through hole.
The specific implementation mode is as follows:
example 1
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: a wave-absorbing material comprises a first hard gasket 1, a first release film 2, a wave-absorbing material 3, a second release film 4 and a second hard gasket 5, wherein the upper end face and the lower end face of the wave-absorbing material 3 are respectively provided with the first release film 2 and the second release film 4, the upper end face of the first release film 2 is provided with the first hard gasket 1, the lower end face of the second release film 4 is provided with the second hard gasket 5, one side of two side edges of the wave-absorbing material 3 is provided with a fixing part 6, the specifications of the two fixing parts 6 are consistent, the middle part of one side face of the two fixing parts 6 close to the side edges of the wave-absorbing material 3 is provided with a groove 7, the two grooves 7 are respectively matched with the two side edges of the wave-absorbing material 3, the two side edges of the wave-absorbing material 3 are respectively inserted into the two grooves 7 to be connected with the fixing parts 6, the upper end face and the lower end, and four the length of supporting pterygoid lamina 8 equals the length of two mounting 6, is located two the laminating of two supporting pterygoid lamina 8 of terminal surface and the 6 terminal surface sides of the mounting that correspond about the mounting 6, two the equal fixed mounting in middle part of the one side of keeping away from each other of mounting 6 has installation pterygoid lamina 9, two square through hole 10 has been run through in the middle part of the terminal surface about installation pterygoid lamina 9.
The first hard gasket 1 and the second hard gasket 5 both have high thermal conductivity and high hardness, and are made of metal iron materials.
The first release film 2 and the second release film 4 are both double-sided, and are made of high-temperature-resistant materials, preferably PET (polyethylene terephthalate) film materials.
The wave-absorbing material 3 is composed of a resin matrix (adhesive), a wave-absorbing material (absorbent) and various auxiliaries, and the wave-absorbing material is preferably a ferrite material.
Wherein, the fixing piece 6, the supporting wing plate 8 and the mounting wing block 9 are all made of stainless steel materials.
Example 2
A laminating process of a wave-absorbing material comprises the following steps:
step one, placing 2 circulation units in the pressing process, wherein the placing sequence is 1/first release film 2/absorbing material 3/second release film 4/second hard pad 5/first hard pad 1/first release film 2/absorbing material 3/second release film 4/second hard pad 5;
step two, taking down the fixing piece 6 and the supporting wing plate 8 and the mounting wing block 9 which are matched with the fixing piece from two ends of the wave-absorbing material 3, placing the wave-absorbing material 3 of 2 circulating units, the first hard gasket 1, the second release film 2, the second release film 4 and the second hard gasket 5 on a hot press, heating to 200 ℃, applying 300kg of pressure, and pressurizing for 800 s;
after hot pressing, moving the wave absorbing materials 3 of the 2 circulation units, the first hard gasket 1, the second release film 2, the second release film 4 and the second hard gasket 5 to a cold press, and applying 300kg of pressure in a room-temperature environment for 600 s;
and step four, repeating the step two and the step three for 1 time to complete the laminating process of the coating type wave absorbing material, wherein the thickness of the original product is 105 mu m and can be laminated to about 35 mu m, the magnetic conductivity of the product is improved to about 220uH/m from the original 50uH/m, and the surface of the product is fine and smooth and can be directly used in electronic devices.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. A wave-absorbing material comprises a first hard gasket (1), a first release film (2), a wave-absorbing material (3), a second release film (4) and a second hard gasket (5), and is characterized in that the upper end face and the lower end face of the wave-absorbing material (3) are respectively provided with the first release film (2) and the second release film (4), the upper end face of the first release film (2) is provided with the first hard gasket (1), the lower end face of the second release film (4) is provided with the second hard gasket (5), one side of two side edges of the wave-absorbing material (3) is provided with a fixing part (6), the two fixing parts (6) are consistent in specification, the middle part of one side face of the two fixing parts (6) close to the wave-absorbing material (3) is provided with a groove (7), the two grooves (7) are respectively designed to be matched with the two side edges of the wave-absorbing material (3), the two side edges of the wave-absorbing material (3) are respectively inserted into the two grooves (7), equal fixed mounting of terminal surface has one to support pterygoid lamina (8), four about mounting (6) support pterygoid lamina (8) specification unanimous, and four the length of supporting pterygoid lamina (8) equals the length of two mounting (6), is located two of terminal surface about mounting (6) two support pterygoid lamina (8) and the laminating of mounting (6) terminal surface side that corresponds, two the equal fixed mounting in middle part of keeping away from one side each other of mounting (6) has installation pterygoid lamina (9), two the terminal surface middle part runs through and has seted up square through hole (10) about installation pterygoid lamina (9).
2. A wave-absorbing material according to claim 1, characterized in that: the first hard gasket (1) and the second hard gasket (5) both have high heat conductivity and high hardness and are made of metal iron materials.
3. A wave-absorbing material according to claim 1, characterized in that: the first release film (2) and the second release film (4) are both double-sided, and the material is high-temperature-resistant, and is preferably made of PET film material.
4. A wave-absorbing material according to claim 1, characterized in that: the wave-absorbing material (3) is formed by adding wave-absorbing materials and various auxiliaries into a resin matrix, and the wave-absorbing materials are preferably ferrite materials.
5. A wave-absorbing material according to claim 1, characterized in that: the fixing piece (6), the supporting wing plate (8) and the mounting wing block (9) are all made of stainless steel materials.
6. A pressing process of the wave-absorbing material according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
step one, laminating and pressing are adopted, namely a first hard gasket (1), a first release film (2), a wave-absorbing material (3), a second release film (4) and a second hard gasket (5) are in unit circulation;
taking down the fixing piece (6) and the supporting wing plate (8) and the mounting wing block (8) which are matched with the fixing piece from two ends of the wave-absorbing material (3), and placing the wave-absorbing material (3), the first hard gasket (1), the second release film (2), the second release film (4) and the second hard gasket (5) on a hot press for hot pressing;
and step three, after hot pressing, moving the wave absorbing material (3), the first hard gasket (1), the second release film (2), the second release film (4) and the second hard gasket (5) to a cold press for cold pressing.
7. A pressing process of a wave-absorbing material according to claim 6, characterized in that: the number of unit cycles in each lamination of the lamination pressing is not less than 1, and hard gaskets are shared between adjacent unit cycles.
8. A pressing process of a wave-absorbing material according to claim 6, characterized in that: the laminating pressing adopts the combination of hot pressing and cold pressing, namely, cold pressing is carried out in a direct connection mode after hot pressing, the times of the hot pressing and the cold pressing are not limited, the times of the hot pressing and the cold pressing are not less than 1, and the times of the hot pressing and the cold pressing are consistent or inconsistent.
9. A pressing process of a wave-absorbing material according to claim 6, characterized in that: the heating degree range of the hot pressing is 100-300 ℃, the applied pressure is 50-400 kg, and the pressing time is 200-1000 s.
10. A pressing process of a wave-absorbing material according to claim 6, characterized in that: the hot pressing temperature is natural temperature but not more than 40 ℃, the applied pressure is 50-400 kg, and the pressing time is 200-1000 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297884.6A CN111132531B (en) | 2018-11-01 | 2018-11-01 | Wave-absorbing material and laminating process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297884.6A CN111132531B (en) | 2018-11-01 | 2018-11-01 | Wave-absorbing material and laminating process thereof |
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| CN111132531A true CN111132531A (en) | 2020-05-08 |
| CN111132531B CN111132531B (en) | 2022-03-04 |
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| CN201811297884.6A Active CN111132531B (en) | 2018-11-01 | 2018-11-01 | Wave-absorbing material and laminating process thereof |
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Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006086446A (en) * | 2004-09-17 | 2006-03-30 | Mitsubishi Cable Ind Ltd | Radio wave absorber |
| CN202879130U (en) * | 2012-11-14 | 2013-04-17 | 江苏欧邦塑胶有限公司 | Base material with stereoscopic pattern and metal effect |
| CN203876307U (en) * | 2014-04-10 | 2014-10-15 | 苏州驭奇材料科技有限公司 | High-heat-dissipation wave-absorbing composite film |
| CN105578802A (en) * | 2015-12-28 | 2016-05-11 | 深圳市景旺电子股份有限公司 | Lamination method for multi-layer flexible board and multi-layer flexible board |
| KR20160109475A (en) * | 2015-03-11 | 2016-09-21 | 한양대학교 산학협력단 | electromagnetic wave absorber |
| CN206118157U (en) * | 2016-08-08 | 2017-04-19 | 广州杰赛科技股份有限公司 | Utensil electromagnetic shielding film's rigid -flex circuit board |
| CN206242623U (en) * | 2016-10-28 | 2017-06-13 | 李同乐 | A kind of heat conduction wave absorbing patch |
| CN206380250U (en) * | 2017-01-04 | 2017-08-04 | 浙江龙游展宇有机玻璃有限公司 | One kind electromagnetic shielding acrylic board |
| CN206402635U (en) * | 2016-12-16 | 2017-08-11 | 东莞市赛越新材料科技有限公司 | Antistatic electromagnetic shielding film |
| CN206413053U (en) * | 2017-02-09 | 2017-08-15 | 广东精力通电子科技有限公司 | A kind of multi-functional mobile phone radome |
| CN107163333A (en) * | 2017-03-31 | 2017-09-15 | 四川省成都市树德中学 | A kind of flexible electromagnetic shielding composite material and its preparation method and application |
| CN206923230U (en) * | 2017-04-12 | 2018-01-23 | 陕西昱琛航空设备股份有限公司 | A kind of New Radar Absorbing modular construction |
| CN107660113A (en) * | 2016-07-26 | 2018-02-02 | 昆山雅森电子材料科技有限公司 | Emi shielding film of the high shield effectiveness of high-transmission and preparation method thereof |
| CN107791641A (en) * | 2016-08-30 | 2018-03-13 | 昆山雅森电子材料科技有限公司 | High shielding emi shielding film with double-level-metal layer and preparation method thereof |
| CN207399753U (en) * | 2017-11-09 | 2018-05-22 | 四川农业大学 | A kind of absorbing material structure with metal shielding board |
| CN207747506U (en) * | 2017-12-06 | 2018-08-21 | 深圳市方胜光学材料科技有限公司 | A kind of multi-angle light barrier peep-proof protective film |
| CN108511912A (en) * | 2018-04-02 | 2018-09-07 | 蓝沛光线（上海）电子科技有限公司 | A kind of shielded coil module and preparation method thereof |
| CN207835116U (en) * | 2018-02-07 | 2018-09-07 | 中山市力展电子科技有限公司 | A kind of charger |
| CN108527195A (en) * | 2018-03-28 | 2018-09-14 | 深圳市华讯方舟微电子科技有限公司 | The laminating apparatus and method of absorbing material |
| CN108611013A (en) * | 2015-05-21 | 2018-10-02 | 斯迪克新型材料（江苏）有限公司 | Wave film is inhaled in heat dissipation |
| CN108668517A (en) * | 2017-04-01 | 2018-10-16 | 中国科学院化学研究所 | Electromagnetic shielding film and preparation method thereof |
-
2018
- 2018-11-01 CN CN201811297884.6A patent/CN111132531B/en active Active
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006086446A (en) * | 2004-09-17 | 2006-03-30 | Mitsubishi Cable Ind Ltd | Radio wave absorber |
| CN202879130U (en) * | 2012-11-14 | 2013-04-17 | 江苏欧邦塑胶有限公司 | Base material with stereoscopic pattern and metal effect |
| CN203876307U (en) * | 2014-04-10 | 2014-10-15 | 苏州驭奇材料科技有限公司 | High-heat-dissipation wave-absorbing composite film |
| KR20160109475A (en) * | 2015-03-11 | 2016-09-21 | 한양대학교 산학협력단 | electromagnetic wave absorber |
| CN108611013A (en) * | 2015-05-21 | 2018-10-02 | 斯迪克新型材料（江苏）有限公司 | Wave film is inhaled in heat dissipation |
| CN105578802A (en) * | 2015-12-28 | 2016-05-11 | 深圳市景旺电子股份有限公司 | Lamination method for multi-layer flexible board and multi-layer flexible board |
| CN107660113A (en) * | 2016-07-26 | 2018-02-02 | 昆山雅森电子材料科技有限公司 | Emi shielding film of the high shield effectiveness of high-transmission and preparation method thereof |
| CN206118157U (en) * | 2016-08-08 | 2017-04-19 | 广州杰赛科技股份有限公司 | Utensil electromagnetic shielding film's rigid -flex circuit board |
| CN107791641A (en) * | 2016-08-30 | 2018-03-13 | 昆山雅森电子材料科技有限公司 | High shielding emi shielding film with double-level-metal layer and preparation method thereof |
| CN206242623U (en) * | 2016-10-28 | 2017-06-13 | 李同乐 | A kind of heat conduction wave absorbing patch |
| CN206402635U (en) * | 2016-12-16 | 2017-08-11 | 东莞市赛越新材料科技有限公司 | Antistatic electromagnetic shielding film |
| CN206380250U (en) * | 2017-01-04 | 2017-08-04 | 浙江龙游展宇有机玻璃有限公司 | One kind electromagnetic shielding acrylic board |
| CN206413053U (en) * | 2017-02-09 | 2017-08-15 | 广东精力通电子科技有限公司 | A kind of multi-functional mobile phone radome |
| CN107163333A (en) * | 2017-03-31 | 2017-09-15 | 四川省成都市树德中学 | A kind of flexible electromagnetic shielding composite material and its preparation method and application |
| CN108668517A (en) * | 2017-04-01 | 2018-10-16 | 中国科学院化学研究所 | Electromagnetic shielding film and preparation method thereof |
| CN206923230U (en) * | 2017-04-12 | 2018-01-23 | 陕西昱琛航空设备股份有限公司 | A kind of New Radar Absorbing modular construction |
| CN207399753U (en) * | 2017-11-09 | 2018-05-22 | 四川农业大学 | A kind of absorbing material structure with metal shielding board |
| CN207747506U (en) * | 2017-12-06 | 2018-08-21 | 深圳市方胜光学材料科技有限公司 | A kind of multi-angle light barrier peep-proof protective film |
| CN207835116U (en) * | 2018-02-07 | 2018-09-07 | 中山市力展电子科技有限公司 | A kind of charger |
| CN108527195A (en) * | 2018-03-28 | 2018-09-14 | 深圳市华讯方舟微电子科技有限公司 | The laminating apparatus and method of absorbing material |
| CN108511912A (en) * | 2018-04-02 | 2018-09-07 | 蓝沛光线（上海）电子科技有限公司 | A kind of shielded coil module and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN111132531B (en) | 2022-03-04 |
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Effective date of registration: 20210312 Address after: 578-1, Yanxin Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Applicant after: Wuxi lanpei New Material Technology Co.,Ltd. Address before: No. 280, Fumin Road, Changzhou Economic Development Zone, Changzhou City, Jiangsu Province 213025 Applicant before: JIANGSU LINEPRINTING MATERIALS Co.,Ltd. |
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