CN106280346B - Multifunction electronic product protective film - Google Patents
Multifunction electronic product protective film Download PDFInfo
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- CN106280346B CN106280346B CN201510274377.0A CN201510274377A CN106280346B CN 106280346 B CN106280346 B CN 106280346B CN 201510274377 A CN201510274377 A CN 201510274377A CN 106280346 B CN106280346 B CN 106280346B
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Abstract
The present invention discloses a kind of multifunction electronic product protective film, including PET insulating layers, metal layer, suction wave layer and separated type material layer；The first adhesive layer is provided between PET insulating layers and metal layer, it is provided with the second adhesive layer between the metal layer and suction wave layer, third adhesive layer is provided between the suction wave layer and separated type material layer, the metal layer is provided with several prismatic protrusions portions arranged in parallel with the surface that wave layer contacts is inhaled；100 parts of wave-absorbing powder, 25 ~ 35 parts of butyl acrylate, 12 ~ 15 parts of acrylic acid, 20 ~ 35 parts of Isooctyl acrylate monomer, 10 ~ 30 parts of methyl methacrylate, 1 ~ 3 part of vinyl acetate, 0.1 ~ 1 part of 2 hydroxyl ethyl ester of methacrylic acid, 0.5 ~ 2 part of Sodium Polyacrylate, 0.4 ~ 1 part of methyl ethyl ketone peroxide.The invention avoids the excessively concentrations of heat, are conducive to heat diffusion, also avoid causing film to upwarp due to Wen Sheng, improve the stability of properties of product.
Description
Technical field
The invention belongs to technical field of electronic materials more particularly to a kind of multifunction electronic product protective films.
Background technology
The development of electronics and communications industry is advanced by leaps and bounds, and more and more electric equipment products enter the life of common people
It is living.These products also bring a distinct issues, i.e. electromagnetic radiation while improving people's quality of life.Electronics
The electromagnetic wave that product releases can bring electromagnetic interference to other electronic equipments of surrounding, make its operation irregularity；It simultaneously also can be right
Health causes damages.
For at present, micromation, Highgrade integration are the main trend of electronic product development, the inner space of these products
It is relatively narrow.In absorbing material, patch-type absorbing material thickness is thin, easy to use, for reducing electromagnetic radiation, preventing electromagnetism dry
Good effect has been disturbed, has compared and is suitably applied in electronic product.Therefore, thin thickness, light weight are designed and developed, suitable for narrow
The patch-type electromagnetic wave absorbent material in space becomes the direction of those skilled in the art's effort.
Invention content
The present invention provides a kind of multifunction electronic product protective film, this multifunction electronic product improves gold with protective film
The utilization rate for belonging to layer reflection of electromagnetic, significantly improves the absorbing property of Protection glue band, and avoid the excessively concentration of heat, has
Conducive to heat diffusion, also avoids causing film to upwarp due to Wen Sheng, improve the stability of properties of product.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of multifunction electronic product protective film, including
PET insulating layers, inhale wave layer and separated type material layer at metal layer；The first adhesive layer, institute are provided between PET insulating layers and metal layer
It states and is provided with the second adhesive layer between metal layer and suction wave layer, third gluing is provided between the suction wave layer and separated type material layer
Layer, the metal layer are provided with several prismatic protrusions portions arranged in parallel with the surface that wave layer contacts is inhaled；
The suction wave layer is composed of the following components：
100 parts of wave-absorbing powder,
25 ~ 35 parts of butyl acrylate,
12 ~ 15 parts of acrylic acid,
20 ~ 35 parts of Isooctyl acrylate monomer,
10 ~ 30 parts of methyl methacrylate,
1 ~ 3 part of vinyl acetate,
0.1 ~ 1 part of 2-hydroxyethyl methacry-late,
0.5 ~ 2 part of Sodium Polyacrylate,
0.4 ~ 1 part of methyl ethyl ketone peroxide,
2 ~ 3 parts of polyacrylate dispersion；
The wave-absorbing powder is composed of the following components：
100 parts of barium ferrite powder,
18 ~ 25 parts of nickel sesquioxide,
8 ~ 12 parts of nano graphite powder,
8 ~ 12 parts of cobalt chloride,
60 ~ 70 parts of unsaturated polyester (UP),
40 ~ 50 parts of neopelex.
Further improved technical solution is as follows in above-mentioned technical proposal：
1, in said program, in the wave-absorbing powder carbonyl iron dust, nickel sesquioxide, nano graphite powder and cobalt chloride according to
10：5：0.8：1.2 weight ratios mix.
2, in said program, the PET thickness of insulating layer is less than 10 microns.
3, in said program, first adhesive layer, the second adhesive layer and third adhesive layer are esters of acrylic acid gluing
Layer.
4, in said program, the thickness of first adhesive layer is less than the thickness of the second adhesive layer, second adhesive layer
Thickness be less than third adhesive layer.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. multifunction electronic product protective film of the present invention inhales wave layer using composite wave-absorbing powder carbonyl iron dust, three oxygen
Change 25 ~ 35 parts of two nickel, nano graphite powder, cobalt chloride and butyl acrylate, 12 ~ 15 parts of acrylic acid, Isooctyl acrylate monomer 20 ~ 35
Part, methyl methacrylate 10 ~ 30, vinyl acetate 1 ~ 3,0.1 ~ 1 part of 2-hydroxyethyl methacry-late synergistic effect, have compared with
Strong electromaganic wave absorbing property reaches 87% in the attenuation rate of 2 ~ 10GHz electromagnetic waves, further adds Sodium Polyacrylate 0.5 ~ 2
Part, 0.4 ~ 1 part of methyl ethyl ketone peroxide, 2 ~ 3 parts of polyacrylate dispersion not only improve polymer gluing, but also mixed powder
It is uniformly dispersed in the polymer, avoids wave-absorbing powder reunion；To ensure that the reliability of electromagnetic performance；Secondly, in formula
Further be equipped with unsaturated polyester (UP), neopelex improves the entire heat conductivility for inhaling wave layer, be conducive to electromagnetism
The heat expanding that wave generates, improves the stability and product service life of performance.
2. multifunction electronic product protective film of the present invention, mixed powder first passes through 100 parts of barium ferrite powder, three oxygen
Change 50 ~ 60 parts of two nickel, 5 ~ 10 parts of nano graphite powder, 10 ~ 15 parts of cobalt chloride, 60 ~ 70 parts of unsaturated polyester (UP), dodecyl benzene sulfonic acid
40 ~ 50 parts of acquisitions of sodium are conducive to multiple types powder and are thoroughly mixed to form the specific wave-absorbing powder of the present invention, improve magnetic loss
Consumption energy makes it have both the performance of electrical loss and magnetic loss, widens absorption band；Secondly, which raises metal layer reflection electromagnetism
The utilization rate of field, the setting of metal layer can form multiple absorption, significantly improve the absorbing property for inhaling wave film；Insulating layer and
The intensity that material is improved using one side of PET film layer, is on the other hand also greatly improved the effect of its proof voltage breakdown
Fruit.
Description of the drawings
Attached drawing 1 is that multifunction electronic product of the present invention protects membrane structure diagram.
In the figures above：1, PET insulating layers；2, metal layer；3, wave layer is inhaled；4, separated type material layer；5, the first adhesive layer；6、
Second adhesive layer；7, third adhesive layer；8, prismatic protrusions portion.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment 1：A kind of multifunction electronic product protective film, including PET insulating layers 1, metal layer 2, inhale wave layer 3 and from
The proximate matter bed of material 4；It is provided with the first adhesive layer 5 between PET insulating layers 1 and metal layer 2, is set between the metal layer 2 and suction wave layer 3
It is equipped with the second adhesive layer 6, third adhesive layer 7, the metal layer 2 and suction are provided between the suction wave layer 3 and separated type material layer 4
The surface that wave layer 3 contacts is provided with several prismatic protrusions portions 8 arranged in parallel.
The component for inhaling wave layer 3 and content are as shown in table 1：
Table 1
The content groups as shown in Table 2 of the wave-absorbing powder are grouped as：
Table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Barium ferrite powder | 100 parts | 100 parts | 100 parts | 100 parts |
| Nickel sesquioxide | 20 parts | 22 parts | 20 parts | 25 parts |
| Nano graphite powder | 10 parts | 8 parts | 10 parts | 9 parts |
| Cobalt chloride | 10 parts | 12 parts | 10 parts | 12 parts |
| Unsaturated polyester (UP) | 60 parts | 68 parts | 65 parts | 62 parts |
| Neopelex | 40 parts | 50 parts | 48 parts | 42 parts |
Above-mentioned 1 thickness of PET insulating layers is 6 microns；First adhesive layer 5, the second adhesive layer 6 and third adhesive layer 7 are equal
For esters of acrylic acid adhesive layer.
Embodiment 1 ~ 4 is as shown in table 3 in the maximum reflection coefficient and effective bandwidth of 2 ~ 18GHz frequency ranges：
Table 3
| Inhale wave plate thickness | Maximum reflection coefficient（dB） | ≤ -8 dB effective bandwidths（GHz） | |
| Embodiment 1 | 0.2mm | -20 | 2~10 |
| Embodiment 2 | 0.4mm | -22 | 2~10 |
| Embodiment 3 | 0.6mm | -28 | 2~11 |
| Embodiment 4 | 0.8mm | -34 | 2~12 |
It inhales wave layer and the electromagnetic wave that electronic product discharges is converted into thermal energy or other forms in a manner of electrical loss, magnetic loss etc.
Energy to achieve the effect that reduce electromagnetic radiation, have preferable absorption within the scope of 2 ~ 18GHz, can be by incident electromagnetic wave
Reflection resorption wave layer forms multiple absorption.
Above-mentioned 1 thickness of PET insulating layers is 6 microns；The PET insulating layers 1 and the thickness ratio of layer of polypropylene foil 10 are 10：
5。
Above-described embodiment inhales the preparation process of wave layer 3, includes the following steps：
The first step：By 100 parts of barium ferrite powder, 18 ~ 25 parts of nickel sesquioxide, 8 ~ 12 parts of nano graphite powder, cobalt chloride 8 ~
12 parts, 60 ~ 70 parts of unsaturated polyester (UP), 40 ~ 50 parts of neopelex be uniformly mixed, and stir shapes in 84 ~ 86 DEG C of conditions
At mixed powder；
Second step：By 25 ~ 35 parts of butyl acrylate, 12 ~ 15 parts of acrylic acid, 20 ~ 35 parts of Isooctyl acrylate monomer, metering system
Sour methyl esters 10 ~ 30, vinyl acetate 1 ~ 3,0.1 ~ 1 part of 2-hydroxyethyl methacry-late, 0.5 ~ 2 part of Sodium Polyacrylate, polyacrylic acid
2 ~ 3 parts of ester lotion is mixed with the mixed powder of the first step, and is disperseed 1 ~ 2 hour through high speed agitator, is formed to be uniformly mixed
Mixture；
Third walks：It is kept the temperature after the mixture of second step is heated to 80 ~ 85 DEG C in a kettle, point 1 in insulating process ~
3 0.4 ~ 1 part of addition methyl ethyl ketone peroxides, which obtain, inhales wave mixed liquor, and the soaking time is 4 ~ 10 hours；
4th step：The suction wave mixed liquor that third step obtains is coated on substrate；
5th step：Baking is carried out to the suction wave mixed liquor in the 4th step and forms suction wave layer.
When using above-mentioned multifunction electronic product protective film, polymer gluing is not only improved, but also mixed powder exists
It is uniformly dispersed in polymer, to ensure that the reliability of electromagnetic performance；Secondly, be further equipped in formula unsaturated polyester (UP),
Neopelex improves the entire heat conductivility for inhaling wave layer, is conducive to the heat expanding for generating electromagnetic wave, improves
The stability and product service life of performance.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (3)
1. a kind of multifunction electronic product protective film, it is characterised in that：Including PET insulating layers（1）, metal layer（2）, inhale wave layer
（3）With separated type material layer（4）；PET insulating layers（1）With metal layer（2）Between be provided with the first adhesive layer（5）, the metal layer
（2）With suction wave layer（3）Between be provided with the second adhesive layer（6）, the suction wave layer（3）With separated type material layer（4）Between be provided with
Third adhesive layer（7）, the metal layer（2）With suction wave layer（3）It is convex that the surface of contact is provided with several prisms arranged in parallel
The portion of rising（8）；
The suction wave layer（3）It is composed of the following components：
100 parts of wave-absorbing powder,
25 ~ 35 parts of butyl acrylate,
12 ~ 15 parts of acrylic acid,
20 ~ 35 parts of Isooctyl acrylate monomer,
10 ~ 30 parts of methyl methacrylate,
1 ~ 3 part of vinyl acetate,
0.1 ~ 1 part of 2-hydroxyethyl methacry-late,
0.5 ~ 2 part of Sodium Polyacrylate,
0.4 ~ 1 part of methyl ethyl ketone peroxide,
2 ~ 3 parts of polyacrylate dispersion；
The wave-absorbing powder is composed of the following components：
100 parts of barium ferrite powder,
18 ~ 25 parts of nickel sesquioxide,
8 ~ 12 parts of nano graphite powder,
8 ~ 12 parts of cobalt chloride,
60 ~ 70 parts of unsaturated polyester (UP),
40 ~ 50 parts of neopelex.
2. multifunction electronic product protective film according to claim 1, it is characterised in that：The PET insulating layers（1）It is thick
Degree is less than 10 microns.
3. multifunction electronic product protective film according to claim 1, it is characterised in that：First adhesive layer（5）、
Second adhesive layer（6）With third adhesive layer（7）It is esters of acrylic acid adhesive layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274377.0A CN106280346B (en) | 2015-05-26 | 2015-05-26 | Multifunction electronic product protective film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274377.0A CN106280346B (en) | 2015-05-26 | 2015-05-26 | Multifunction electronic product protective film |
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| Publication Number | Publication Date |
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| CN106280346A CN106280346A (en) | 2017-01-04 |
| CN106280346B true CN106280346B (en) | 2018-09-18 |
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| CN110791222A (en) * | 2019-12-02 | 2020-02-14 | 苏州泰仑电子材料有限公司 | Environment-friendly emulsion type ultra-low peeling force protective film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103740233A (en) * | 2014-01-08 | 2014-04-23 | 南京信息工程大学 | Micrometer wave absorbing coating material and preparation method thereof |
| CN103923337A (en) * | 2014-04-30 | 2014-07-16 | 湖南兆恒材料科技有限公司 | Composite polymethacrylimide foam wave absorption material |
| CN204335282U (en) * | 2014-09-01 | 2015-05-13 | 斯迪克新型材料（江苏）有限公司 | There is the protective tapes inhaling wave energy |
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2015
- 2015-05-26 CN CN201510274377.0A patent/CN106280346B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103740233A (en) * | 2014-01-08 | 2014-04-23 | 南京信息工程大学 | Micrometer wave absorbing coating material and preparation method thereof |
| CN103923337A (en) * | 2014-04-30 | 2014-07-16 | 湖南兆恒材料科技有限公司 | Composite polymethacrylimide foam wave absorption material |
| CN204335282U (en) * | 2014-09-01 | 2015-05-13 | 斯迪克新型材料（江苏）有限公司 | There is the protective tapes inhaling wave energy |
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