CN106281072A - The pressure-sensitive pad pasting of anti-electromagnetic-radiation type - Google Patents
The pressure-sensitive pad pasting of anti-electromagnetic-radiation type Download PDFInfo
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- CN106281072A CN106281072A CN201510263575.7A CN201510263575A CN106281072A CN 106281072 A CN106281072 A CN 106281072A CN 201510263575 A CN201510263575 A CN 201510263575A CN 106281072 A CN106281072 A CN 106281072A
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Abstract
The open a kind of pressure-sensitive pad pasting of anti-electromagnetic-radiation type of the present invention, including PET insulating barrier, inhales ripple layer and separated type material layer, is provided with the first adhesive layer, is disposed with the second adhesive layer between described suction ripple layer and separated type material layer between described PET insulating barrier and suction ripple layer；Described suction ripple layer is formed by following components is mixing: wave-absorbing powder 100 parts, butyl acrylate 20 ~ 35 parts, 10 ~ 20 parts of acrylic acid, Isooctyl acrylate monomer 20 ~ 35 parts, methyl methacrylate 10 ~ 30 parts, vinyl acetate 1 ~ 3 part, 2-hydroxyethyl methacry-late 0.1 ~ 1 part, sodium polyacrylate 0.5 ~ 2 part, methyl ethyl ketone peroxide 0.4 ~ 1 part.The pressure-sensitive pad pasting of anti-electromagnetic-radiation type of the present invention significantly improves the absorbing property of protection adhesive tape, and avoids the excessively concentration of heat, beneficially heat diffusion, also avoids, owing to temperature rise causes film to upwarp, improve the stability of properties of product.
Description
Technical field
The invention belongs to technical field of electronic materials, particularly relate to a kind of pressure-sensitive pad pasting of anti-electromagnetic-radiation type.
Background technology
The development of electronics and communications industry is advanced by leaps and bounds, and increasing electric equipment products enters the life of common people.These products also bring distinct issues, i.e. an electromagnetic radiation while improving people's quality of life.The electromagnetic wave that electronic product discharges, brings electromagnetic interference can to other electronic equipment of surrounding so that it is operation irregularity；Also health can be worked the mischief simultaneously.
For Mu Qian, miniaturization, Highgrade integration are the main trend of electronic product development, and the inner space of these products is the narrowest and small.In absorbing material, patch-type absorbing material thickness is thin, easy to use, for reducing electromagnetic radiation, preventing electromagnetic interference from having good effect, compares and is suitably applied in electronic product.Therefore, design and develop that thickness is thin, light weight, be applicable to the patch-type electromagnetic wave absorbent material of small space, become the direction that those skilled in the art make great efforts.
Summary of the invention
The present invention provides a kind of pressure-sensitive pad pasting of anti-electromagnetic-radiation type; this pressure-sensitive pad pasting of anti-electromagnetic-radiation type significantly improves the absorbing property of protection adhesive tape, and avoids the excessively concentration of heat, beneficially heat diffusion; also avoid, owing to temperature rise causes film to upwarp, improve the stability of properties of product.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of pressure-sensitive pad pasting of anti-electromagnetic-radiation type, including PET insulating barrier, inhale ripple layer and separated type material layer, it is provided with the first adhesive layer between described PET insulating barrier and suction ripple layer, between described suction ripple layer and separated type material layer, is disposed with the second adhesive layer；
Described suction ripple layer is formed by following components is mixing:
Wave-absorbing powder 100 parts,
Butyl acrylate 20 ~ 35 parts,
10 ~ 20 parts of acrylic acid,
Isooctyl acrylate monomer 20 ~ 35 parts,
Methyl methacrylate 10 ~ 30,
Vinyl acetate 1 ~ 3,
2-hydroxyethyl methacry-late 0.1 ~ 1 part,
Sodium polyacrylate 0.5 ~ 2 part,
Methyl ethyl ketone peroxide 0.4 ~ 1 part；
Described wave-absorbing powder is composed of the following components:
Carbonyl iron dust 100 parts,
Nickel sesquioxide 50 ~ 60 parts,
Nano graphite powder 5 ~ 10 parts,
Cobaltous chloride
10 ~ 15 parts,
Unsaturated polyester (UP) 60 ~ 70 parts,
Dodecylbenzene sodium sulfonate 40 ~ 50 parts.
The technical scheme improved further in technique scheme is as follows:
1, in such scheme, in described wave-absorbing powder, carbonyl iron dust, nickel sesquioxide, Nano graphite powder and cobaltous chloride mix according to 10:5:0.8:1.2 weight ratio.
2, in such scheme, described unsaturated polyester (UP) is formed by maleic anhydride, phthalic anhydride and propylene glycol synthesis.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that
The pressure-sensitive pad pasting of anti-electromagnetic-radiation type of the present invention, it is inhaled ripple layer and uses composite wave-absorbing powder carbonyl iron dust, nickel sesquioxide, Nano graphite powder, cobaltous chloride and butyl acrylate 20 ~ 35 parts, 10 ~ 20 parts of acrylic acid, Isooctyl acrylate monomer 20 ~ 35 parts, methyl methacrylate 10 ~ 30, vinyl acetate 1 ~ 3,0.1 ~ 1 part of synergism of 2-hydroxyethyl methacry-late, there is stronger electromaganic wave absorbing property,2~8The attenuation rate of GHz electromagnetic wave reaches80%, add sodium polyacrylate 0.5 ~ 2 part, methyl ethyl ketone peroxide 0.4 ~ 1 part further, not only improve polymer gluing, also make mixed powder be uniformly dispersed in the polymer, thus ensure that the reliability of electromagnetic performance；Secondly, formula is equipped with unsaturated polyester (UP) further, dodecylbenzene sodium sulfonate improves the heat conductivility of whole suction ripple layer, is conducive to the heat expanding produced by electromagnetic wave, improves stability and product service life of performance.
Accompanying drawing explanation
Accompanying drawing 1 is anti-electromagnetic-radiation type of the present invention pressure-sensitive film structure schematic diagram.
In the figures above: 1, PET insulating barrier；2, ripple layer is inhaled；3, separated type material layer；4, the first adhesive layer；5, the second adhesive layer.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment 1 ~ 4: a kind of pressure-sensitive pad pasting of anti-electromagnetic-radiation type, including PET insulating barrier 1, inhale ripple layer 2 and separated type material layer 3, it is provided with the first adhesive layer 4 between described PET insulating barrier 1 and suction ripple layer 3, between described suction ripple layer 2 and separated type material layer 3, is disposed with the second adhesive layer 5；
Component and the content of described suction ripple layer 2 are as shown in table 1:
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Wave-absorbing powder 100 parts | 100 parts | 100 parts | 100 parts | 100 parts |
| Butyl acrylate 20 ~ 35 parts | 20 parts | 32 parts | 30 parts | 28 parts |
| 10 ~ 20 parts of acrylic acid | 10 parts | 15 parts | 18 parts | 20 parts |
| Isooctyl acrylate monomer 20 ~ 35 parts | 25 parts | 22 parts | 32 parts | 35 parts |
| Methyl methacrylate 10 ~ 30 parts | 18 parts | 26 parts | 12 parts | 28 parts |
| Vinyl acetate 1 ~ 3 part | 1 part | 2.8 part | 1.8 part | 2 parts |
| 2-hydroxyethyl methacry-late 0.1 ~ 1 part | 0.2 part | 0.5 part | 0.8 part | 0.6 part |
| Sodium polyacrylate 0.5 ~ 2 part | 1.5 part | 2 parts | 1.2 part | 0.9 part |
| Methyl ethyl ketone peroxide 0.4 ~ 1 part | 0.6 part | 0.9 part | 0.6 part | 0.8 part |
Described wave-absorbing powder content component composition as shown in Table 2:
Table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Carbonyl iron dust 100 parts | 100 parts | 100 parts | 100 parts | 100 parts |
| Nickel sesquioxide 50 ~ 60 parts | 55 parts | 5 parts | 54 parts | 60 parts |
| Nano graphite powder 5 ~ 10 parts | 6 parts | 8 parts | 8 parts | 9 parts |
| Cobaltous chloride 10 ~ 15 parts | 12 parts | 1.2 part | 13 parts | 15 parts |
| Unsaturated polyester (UP) 60 ~ 70 parts | 60 parts | 68 parts | 65 parts | 62 parts |
| Dodecylbenzene sodium sulfonate 40 ~ 50 parts | 40 parts | 50 parts | 48 parts | 42 parts |
Above-mentioned unsaturated polyester (UP) is formed by maleic anhydride, phthalic anhydride and propylene glycol synthesis.
Embodiment 1 ~ 4 is as shown in table 3 in maximum reflection coefficient and the effective bandwidth of 2 ~ 18GHz frequency range:
Table 3
| Inhale wave plate thickness | Maximum reflection coefficient (dB) | ≤-8 dB effective bandwidths (GHz) | |
| Embodiment 1 | 0.2mm | -18 | 2~6 |
| Embodiment 2 | 0.4mm | -19 | 2~7 |
| Embodiment 3 | 0.6mm | -28 | 2~9 |
| Embodiment 4 | 0.8mm | -33 | 2~11 |
The electromagnetic wave that electronic product is discharged by suction ripple layer is converted into the energy of heat energy or other form to reduce the effect of electromagnetic radiation in the mode such as electrical loss, magnetic loss, in the range of 2 ~ 18GHz, there is preferably absorption, incident reflection of electromagnetic wave resorption ripple layer can be formed and repeatedly absorb.
Above-mentioned PET insulating barrier 1 thickness is 6 microns.
The pressure-sensitive pad pasting of above-described embodiment anti-electromagnetic-radiation type is inhaled the preparation technology of ripple layer, comprises the following steps:
The first step: by carbonyl iron dust 100 parts, nickel sesquioxide 50 ~ 60 parts, Nano graphite powder 5 ~ 10 parts, cobaltous chloride 10 ~ 15 parts, unsaturated polyester (UP) 60 ~ 70 parts, 40 ~ 50 parts of mix homogeneously of dodecylbenzene sodium sulfonate, and form mixed powder 84 ~ 86 DEG C of condition stirrings；
Second step: butyl acrylate 20 ~ 35 parts, 10 ~ 20 parts of acrylic acid, Isooctyl acrylate monomer 20 ~ 35 parts, methyl methacrylate 10 ~ 30, vinyl acetate 1 ~ 3,2-hydroxyethyl methacry-late 0.1 ~ 1 part, sodium polyacrylate 0.5 ~ 2 part are mixed with the mixed powder of the first step, and disperse 1 ~ 2 hour through high speed agitator, thus mix homogeneously forms mixture；
3rd step: be incubated after in a kettle. the mixture of second step being heated to 80 ~ 85 DEG C, in insulating process, point 1 ~ 3 addition methyl ethyl ketone peroxide 0.4 ~ 1 part obtains and inhales ripple mixed liquor, and described temperature retention time is 4 ~ 10 hours；
4th step: the suction ripple mixed liquor that the 3rd step obtains is coated on substrate；
5th step: the suction ripple mixed liquor in the 4th step is carried out baking and forms suction ripple layer.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalence changes made according to spirit of the invention or modification, all should contain within protection scope of the present invention.
Claims (3)
1. the pressure-sensitive pad pasting of anti-electromagnetic-radiation type, it is characterized in that: include PET insulating barrier (1), inhale ripple layer (2) and separated type material layer (3), it is provided with the first adhesive layer (4) between described PET insulating barrier (1) and suction ripple layer (3), between described suction ripple layer (2) and separated type material layer (3), is disposed with the second adhesive layer (5)；
Described suction ripple layer (2) is formed by following components is mixing:
Wave-absorbing powder 100 parts,
Butyl acrylate 20 ~ 35 parts,
10 ~ 20 parts of acrylic acid,
Isooctyl acrylate monomer 20 ~ 35 parts,
Methyl methacrylate 10 ~ 30 parts,
Vinyl acetate 1 ~ 3 part,
2-hydroxyethyl methacry-late 0.1 ~ 1 part,
Sodium polyacrylate 0.5 ~ 2 part,
Methyl ethyl ketone peroxide 0.4 ~ 1 part；
Described wave-absorbing powder is composed of the following components:
Carbonyl iron dust 100 parts,
Nickel sesquioxide 50 ~ 60 parts,
Nano graphite powder 5 ~ 10 parts,
Cobaltous chloride 10 ~ 15 parts,
Unsaturated polyester (UP) 60 ~ 70 parts,
Dodecylbenzene sodium sulfonate 40 ~ 50 parts.
The pressure-sensitive pad pasting of anti-electromagnetic-radiation type the most according to claim 1, it is characterised in that: in described wave-absorbing powder, carbonyl iron dust, nickel sesquioxide, Nano graphite powder and cobaltous chloride mix according to 10:5:0.8:1.2 weight ratio.
The pressure-sensitive pad pasting of anti-electromagnetic-radiation type the most according to claim 1, it is characterised in that: described unsaturated polyester (UP) is formed by maleic anhydride, phthalic anhydride and propylene glycol synthesis.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510263575.7A CN106281072A (en) | 2015-05-21 | 2015-05-21 | The pressure-sensitive pad pasting of anti-electromagnetic-radiation type |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510263575.7A CN106281072A (en) | 2015-05-21 | 2015-05-21 | The pressure-sensitive pad pasting of anti-electromagnetic-radiation type |
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| CN106281072A true CN106281072A (en) | 2017-01-04 |
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| CN201510263575.7A Pending CN106281072A (en) | 2015-05-21 | 2015-05-21 | The pressure-sensitive pad pasting of anti-electromagnetic-radiation type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320884A (en) * | 2018-01-17 | 2018-07-24 | 东莞市大忠电子有限公司 | A kind of transformer case |
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| CN203095967U (en) * | 2013-02-18 | 2013-07-31 | 苏州斯迪克新材料科技股份有限公司 | Adhering film applied to electronic products |
| CN203105050U (en) * | 2013-02-18 | 2013-07-31 | 苏州斯迪克新材料科技股份有限公司 | Wave absorbing patch for electronic product |
| CN203105049U (en) * | 2013-02-18 | 2013-07-31 | 苏州斯迪克新材料科技股份有限公司 | Film for attenuating electromagnetic waves |
| 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 |
| CN204104291U (en) * | 2014-10-15 | 2015-01-14 | 昆山雅森电子材料科技有限公司 | Slimming high-transmission electromagnetic absorption screened film |
| CN104302159A (en) * | 2014-09-04 | 2015-01-21 | 苏州斯迪克新材料科技股份有限公司 | Wideband multi-use wave absorbing film |
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- 2015-05-21 CN CN201510263575.7A patent/CN106281072A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203095967U (en) * | 2013-02-18 | 2013-07-31 | 苏州斯迪克新材料科技股份有限公司 | Adhering film applied to electronic products |
| CN203105050U (en) * | 2013-02-18 | 2013-07-31 | 苏州斯迪克新材料科技股份有限公司 | Wave absorbing patch for electronic product |
| CN203105049U (en) * | 2013-02-18 | 2013-07-31 | 苏州斯迪克新材料科技股份有限公司 | Film for attenuating electromagnetic waves |
| 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 |
| CN104302159A (en) * | 2014-09-04 | 2015-01-21 | 苏州斯迪克新材料科技股份有限公司 | Wideband multi-use wave absorbing film |
| CN204104291U (en) * | 2014-10-15 | 2015-01-14 | 昆山雅森电子材料科技有限公司 | Slimming high-transmission electromagnetic absorption screened film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108320884A (en) * | 2018-01-17 | 2018-07-24 | 东莞市大忠电子有限公司 | A kind of transformer case |
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Application publication date: 20170104 |