CN104875441B - Use for electronic products shielding protection film - Google Patents
Use for electronic products shielding protection film Download PDFInfo
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- CN104875441B CN104875441B CN201510274073.4A CN201510274073A CN104875441B CN 104875441 B CN104875441 B CN 104875441B CN 201510274073 A CN201510274073 A CN 201510274073A CN 104875441 B CN104875441 B CN 104875441B
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- 239000010410 layer Substances 0.000 claims abstract description 43
- 239000012790 adhesive layer Substances 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 17
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- GNMQOUGYKPVJRR-UHFFFAOYSA-N nickel(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ni+3].[Ni+3] GNMQOUGYKPVJRR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920006305 unsaturated polyester Polymers 0.000 claims abstract description 16
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- -1 hydroxyl ethyl Chemical group 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims abstract description 8
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 6
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical group CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 6
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 6
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 6
- WFUGQJXVXHBTEM-UHFFFAOYSA-N 2-hydroperoxy-2-(2-hydroperoxybutan-2-ylperoxy)butane Chemical compound CCC(C)(OO)OOC(C)(CC)OO WFUGQJXVXHBTEM-UHFFFAOYSA-N 0.000 claims abstract description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004743 Polypropylene Substances 0.000 claims description 9
- 229920001155 polypropylene Polymers 0.000 claims description 9
- 239000011888 foil Substances 0.000 claims description 8
- 229940044192 2-hydroxyethyl methacrylate Drugs 0.000 claims description 5
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 1
- 229910052788 barium Inorganic materials 0.000 claims 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 4
- 238000009792 diffusion process Methods 0.000 abstract description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract 1
- 239000011812 mixed powder Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N Methyl ethyl ketone Natural products CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000008107 benzenesulfonic acids Chemical class 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/06—Unsaturated polyesters
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention discloses a kind of use for electronic products shielding protection film, including PET insulating barriers, metal level, suction ripple layer and separated type material layer；The first adhesive layer is provided between PET insulating barriers and metal level, the second adhesive layer is provided between the metal level and suction ripple layer；The suction ripple layer is made up of component：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 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.Use for electronic products shielding protection film of the present invention significantly improves the absorbing property of Protection glue band, and avoids the excessively concentration of heat, is conducive to heat diffusion.
Description
Technical field
The invention belongs to technical field of electronic materials, more particularly to a kind of use for electronic products shielding protection film.
Background technology
At present, as shielding material, the piece of widely used metal or net are heavier, there is housing domestic demand of the configuration in equipment
The problem of spending labour and time.Moreover, the piece or net of metal, which have electro-magnetic wave absorption ability, has greatly anisotropic
Tendency, i.e., the tendency that electro-magnetic wave absorption ability is remarkably decreased when the incidence angle increase of electromagnetic wave.The electricity that electronic product is discharged
Magnetic wave, can bring electromagnetic interference to other electronic equipments of surrounding, make its operation irregularity；Danger can be also caused to health simultaneously
Evil.For at present, miniaturization, Highgrade integration are the main trends of electronic product development, and the inner space of these products is relative
It is narrow and small.In absorbing material, patch-type absorbing material thickness of thin is easy to use, for reduction electromagnetic radiation, prevents electromagnetic interference from having
Good effect, compares and is suitably applied in electronic product.Therefore, thickness of thin, light weight are designed and developed, suitable for small space
Patch-type electromagnetic wave absorbent material, as those skilled in the art make great efforts direction.
The content of the invention
The present invention provides a kind of use for electronic products shielding protection film, and this use for electronic products shielding protection film improves metal level
The utilization rate of reflection of electromagnetic, significantly improves the absorbing property of Protection glue band, and avoids the excessively concentration of heat, is conducive to
Heat diffusion, also avoids improving the stability of properties of product because temperature rise causes film to upwarp.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of use for electronic products shielding protection film, including gold
Belong to layer, inhale ripple layer and separated type material layer；The first adhesive layer is provided between PET insulating barriers and metal level, the metal level is with inhaling
The second adhesive layer is provided between ripple layer, the 3rd adhesive layer, poly- third are disposed between the suction ripple layer and separated type material layer
Alkene film layer and the 4th adhesive layer；
The suction ripple layer is made up of component：
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 scheme is as follows in above-mentioned technical proposal：
1st, in such scheme, the thickness of first adhesive layer is less than the thickness of the second adhesive layer, second adhesive layer
Thickness be less than the 3rd adhesive layer.
2nd, in such scheme, the thickness ratio of the PET insulating barriers and layer of polypropylene foil is 10：4~6.
3rd, in such scheme, barium ferrite powder, nickel sesquioxide, Nano graphite powder and cobalt chloride are pressed in the wave-absorbing powder
According to 10：2：1：1 weight ratio is mixed.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1st, the present invention has the composite film-stuck of shielding electromagnetic field function, and it is inhaled ripple layer and uses composite wave-absorbing powder barium ferrite
20 ~ 35 parts of powder, nickel sesquioxide, Nano graphite powder, cobalt chloride and butyl acrylate, 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 2-hydroxyethyl methacry-late synergy, tool
There is stronger electromaganic wave absorbing property, 87% is reached in the attenuation rate of 2 ~ 10GHz electromagnetic waves, further addition Sodium Polyacrylate 0.5
~ 2 parts, 0.4 ~ 1 part of methyl ethyl ketone peroxide, it is gluing to not only improve polymer, also mixed powder is uniformly dispersed in the polymer,
So as to ensure that the reliability of electromagnetic performance；Secondly, unsaturated polyester (UP), neopelex are further equipped with formula and is carried
The high whole heat conductivility for inhaling ripple layer, is conducive to the heat expanding for producing electromagnetic wave, improves stability and the production of performance
Product service life.
2nd, use for electronic products shielding protection film of the present invention, which raises the utilization rate of metal layer reflection electromagnetic field, metal level
Setting can form multiple absorption, significantly improve the absorbing property of pad pasting；Secondly, it is inhaled between ripple layer and separated type material layer
The 3rd adhesive layer, layer of polypropylene foil and the 4th adhesive layer are disposed with, the effect that its proof voltage punctures is greatly improved,
Also improve suction ripple film strength.
Brief description of the drawings
Fig. 1 is use for electronic products shielding protection membrane structure schematic diagram of the present invention.
In the figures above：1st, PET insulating barriers；2nd, metal level；3rd, ripple layer is inhaled；4th, separated type material layer；5th, the first adhesive layer；6、
Second adhesive layer；7th, the 3rd adhesive layer；8th, the 4th adhesive layer；9th, layer of polypropylene foil.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1 ~ 4：A kind of use for electronic products shielding protection film, including metal level 2, suction ripple layer 3 and separated type material layer 4；
The first adhesive layer 5 is provided between PET insulating barriers 1 and metal level 2, the second glue is provided between the metal level 2 and suction ripple layer 3
Adhesion coating 6；The 3rd adhesive layer 7, the glue of layer of polypropylene foil 9 and the 4th are disposed between the suction ripple layer 3 and separated type material layer 4
Adhesion coating 8.
The component and content for inhaling ripple layer 3 is as shown in table 1：
Table 1
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| 100 parts of wave-absorbing powder | 100 parts | 100 parts | 100 parts | 100 parts |
| 25 ~ 35 parts of butyl acrylate | 25 parts | 32 parts | 30 parts | 28 parts |
| 12 ~ 15 parts of acrylic acid | 12 parts | 15 parts | 14 parts | 11 parts |
| 20 ~ 35 parts of Isooctyl acrylate monomer | 25 parts | 22 parts | 32 parts | 35 parts |
| 10 ~ 30 parts of methyl methacrylate | 18 parts | 26 parts | 12 parts | 28 parts |
| 1 ~ 3 part of vinyl acetate | 1 part | 2.8 part | 1.8 part | 2 parts |
| 0.1 ~ 1 part of 2-hydroxyethyl methacry-late | 0.2 part | 0.5 part | 0.8 part | 0.6 part |
| 0.5 ~ 2 part of Sodium Polyacrylate | 1.5 part | 2 parts | 1.2 part | 0.9 part |
| 0.4 ~ 1 part of methyl ethyl ketone peroxide | 0.6 part | 0.9 part | 0.6 part | 0.8 part |
| 2 ~ 3 parts of polyacrylate dispersion | 2.6 part | 2 parts | 2.2 part | 3 parts |
The content groups as shown in Table 2 of the wave-absorbing powder are grouped into：
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 |
The thickness of above-mentioned first adhesive layer 5 is less than the thickness of the second adhesive layer 6, and the thickness of second adhesive layer 6 is less than
3rd adhesive layer 7.
The thickness ratio of above-mentioned PET insulating barriers 1 and layer of polypropylene foil 9 is 10：4~6.
Above-mentioned unsaturated polyester (UP) is synthesized by maleic anhydride, phthalic anhydride and propane diols and formed.
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 |
The thickness ratio of above-mentioned PET insulating barriers 1 and layer of polypropylene foil 9 is 10： 6.
The above-mentioned thickness of PET insulating barriers 1 is 6 microns；The thickness ratio of the PET insulating barriers 1 and layer of polypropylene foil 9 is 10：
5。
Above-described embodiment inhales the preparation technology of ripple layer 3, comprises 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 well mixed, and in 84 ~ 86 DEG C of conditions stirring shapes
Into 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 emulsion is mixed with the mixed powder of the first step, and scattered 1 ~ 2 hour through high speed agitator, so that well mixed form
Mixture；
3rd step：The mixture of second step is heated in a kettle. to be incubated after 80 ~ 85 DEG C, point 1 in insulating process ~
3 0.4 ~ 1 part of addition methyl ethyl ketone peroxides, which are obtained, inhales ripple mixed liquor, and the soaking time is 4 ~ 10 hours；
4th step：The suction ripple mixed liquor that 3rd step is obtained is coated on substrate；
5th step：Baking is carried out to the suction ripple mixed liquor in the 4th step and forms suction ripple layer.
During using above-mentioned use for electronic products shielding protection film, it is gluing to not only improve polymer, also causes mixed powder poly-
It is uniformly dispersed in compound, so as to ensure that the reliability of electromagnetic performance；Secondly, unsaturated polyester (UP), ten are further equipped with formula
Dialkyl benzene sulfonic acids sodium improves the whole heat conductivility for inhaling ripple layer, is conducive to the heat expanding for producing 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 can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention
The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.
Claims (4)
1. a kind of use for electronic products shielding protection film, it is characterised in that：Including metal level（2）, inhale ripple layer（3）With separated type material layer
（4）；PET insulating barriers（1）With metal level（2）Between be provided with the first adhesive layer（5）, the metal level（2）With inhaling ripple layer（3）It
Between be provided with the second adhesive layer（6）, the suction ripple layer（3）With separated type material layer（4）Between be disposed with the 3rd adhesive layer
（7）, layer of polypropylene foil（9）With the 4th adhesive layer（8）；
The suction ripple 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. use for electronic products shielding protection film according to claim 1, it is characterised in that：Barium iron oxygen in the wave-absorbing powder
Body powder, nickel sesquioxide, Nano graphite powder and cobalt chloride are according to 10：2：1：1 weight ratio is mixed.
3. use for electronic products shielding protection film according to claim 1, it is characterised in that：First adhesive layer（5）'s
Thickness is less than the second adhesive layer（6）Thickness, second adhesive layer（6）Thickness be less than the 3rd adhesive layer（7）.
4. use for electronic products shielding protection film according to claim 1, it is characterised in that：The PET insulating barriers（1）With gathering
Polypropylene film layer（9）Thickness ratio be 10：4~6.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274073.4A CN104875441B (en) | 2015-05-26 | 2015-05-26 | Use for electronic products shielding protection film |
| PCT/CN2015/099354 WO2016188107A1 (en) | 2015-05-26 | 2015-12-29 | Shielding protective film for electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510274073.4A CN104875441B (en) | 2015-05-26 | 2015-05-26 | Use for electronic products shielding protection film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104875441A CN104875441A (en) | 2015-09-02 |
| CN104875441B true CN104875441B (en) | 2017-10-27 |
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ID=53943236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510274073.4A Active CN104875441B (en) | 2015-05-26 | 2015-05-26 | Use for electronic products shielding protection film |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104875441B (en) |
| WO (1) | WO2016188107A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875441B (en) * | 2015-05-26 | 2017-10-27 | 江苏斯迪克新材料科技股份有限公司 | Use for electronic products shielding protection film |
| WO2019023848A1 (en) * | 2017-07-31 | 2019-02-07 | 深圳鹏汇功能材料有限公司 | Radio frequency identification device, shielding circuit board and shielding wave-absorbing plate |
| CN113801599B (en) * | 2019-03-29 | 2022-12-02 | 浙江欧仁新材料有限公司 | Process protective film for electronic product |
| CN109957347B (en) * | 2019-03-29 | 2021-06-25 | 浙江欧仁新材料有限公司 | Preparation method of antistatic silica gel protective film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54121046A (en) * | 1978-03-13 | 1979-09-19 | Tdk Corp | Electric wave absorbing material |
| JPH107867A (en) * | 1996-06-25 | 1998-01-13 | Chiko Fujishima | Electromagnetic wave-absorbing resin composition |
| JP2002076676A (en) * | 2000-08-31 | 2002-03-15 | Nippon Sheet Glass Environment Amenity Co Ltd | Wave absorptive panel |
| CN103640289B (en) * | 2013-12-04 | 2016-01-20 | 东莞市纳利光学材料有限公司 | A kind of anti-electromagnetic wave anti-scratch diaphragm and preparation method thereof |
| CN103740233B (en) * | 2014-01-08 | 2016-04-20 | 南京信息工程大学 | A kind of millimeter wave wave-absorbing coating material and preparation method thereof |
| CN103923337B (en) * | 2014-04-30 | 2016-06-08 | 湖南兆恒材料科技有限公司 | Polymethacrylimide composite foam absorbing material |
| CN204183968U (en) * | 2014-09-04 | 2015-03-04 | 斯迪克新型材料（江苏）有限公司 | Composite electromagnetic wave absorbing film |
| CN104875441B (en) * | 2015-05-26 | 2017-10-27 | 江苏斯迪克新材料科技股份有限公司 | Use for electronic products shielding protection film |
| CN104890320B (en) * | 2015-05-26 | 2017-06-30 | 斯迪克新型材料（江苏）有限公司 | The shielding pad pasting of high thermal conductivity coefficient |
-
2015
- 2015-05-26 CN CN201510274073.4A patent/CN104875441B/en active Active
- 2015-12-29 WO PCT/CN2015/099354 patent/WO2016188107A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016188107A1 (en) | 2016-12-01 |
| CN104875441A (en) | 2015-09-02 |
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