CN107148207A - A kind of complex microsphere particle electromagnetic wave absorption filler and the electromagnetic shielding material with the electromagnetic wave absorption filler - Google Patents
A kind of complex microsphere particle electromagnetic wave absorption filler and the electromagnetic shielding material with the electromagnetic wave absorption filler Download PDFInfo
- Publication number
- CN107148207A CN107148207A CN201710449180.5A CN201710449180A CN107148207A CN 107148207 A CN107148207 A CN 107148207A CN 201710449180 A CN201710449180 A CN 201710449180A CN 107148207 A CN107148207 A CN 107148207A
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- China
- Prior art keywords
- electromagnetic wave
- wave absorption
- absorption filler
- electromagnetic
- complex microsphere
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Classifications
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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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- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/20—Inorganic coating
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/103—Metal fibres
-
- 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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/104—Oxysalt, e.g. carbonate, sulfate, phosphate or nitrate particles
-
- 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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/105—Metal
-
- 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
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/12—Mixture of at least two particles made of different materials
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/212—Electromagnetic interference shielding
Abstract
The invention discloses a kind of complex microsphere particle electromagnetic wave absorption filler and the electromagnetic shielding material with the electromagnetic wave absorption filler, the electromagnetic wave absorption filler includes 40 50% silicate nano materials, 15 20% magnetic metal micro mists, 10 15% polycrystalline iron fibers, 5 10% conduction high polymers and binding agent, the electromagnetic shielding material includes substrate and screen layer, the screen layer is arranged on the thereon, conductive layer is provided with above the screen layer, the conductive layer is provided with mould release membrance.Beneficial effect is：Thickness of thin, light weight, absorbability are strong, can also meet multiband shielding, substantially increase the function of shielding of electromagnetic shielding.
Description
Technical field
The present invention relates to shielding material field, and in particular to a kind of complex microsphere particle electromagnetic wave absorption filler and with this
The electromagnetic shielding material of electromagnetic wave absorption filler.
Background technology
Electromagnetic wave is a kind of motion morphology of electromagnetic field, and it is propagated in the way of radiation into space.Electromagnetic wave not only can
Interference is produced to the signal of electronic equipment, health can also be caused harm, can cause human body by electromagenetic wave radiation for a long time
The various illnesss such as immunity degradation, failure of memory, therefore electromagnetic wave need to be shielded using facility is electromagnetically shielded.It is existing
Electromagnetic shielding facility is shielded using wire netting or graphite cake to electromagnetic wave mostly, and the shielding of different frequency range need to use different materials
The wire netting of matter or the graphite cake of different-thickness, the electromagnetic wave frequency range that the wire netting and graphite cake of single kind are shielded are narrower,
And wire netting and graphite cake are heavier, the absorptivity to electromagnetic wave is relatively low, and it uses thickness also can when shielding wave band is higher
Increase therewith.
The content of the invention
The purpose of the present invention is that provides a kind of complex microsphere particle electromagnetic wave absorption filler to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of complex microsphere particle electromagnetic wave absorption filler, including silicate nano material, magnetic metal micro mist, polycrystalline iron are fine
Dimension, conduction high polymer and binding agent, wherein：
In the present embodiment, the silicate nano material is hollow silicate nanoparticle, and density is 0.8g/cm3。
In the present embodiment, the magnetic metal micro mist is the gold of Fe powder, Ni powder or Co powder that particle diameter is 20nm-1.5 μm
Belong to simple substance or its alloy particle, be sputtered at the microsphere surface of the silicate nano material, thickness is 2.0 μm.
In the present embodiment, the polycrystalline iron fiber is nanoscale polycrystalline fibre, is doped in the magnetic metal micro mist.
In the present embodiment, the conduction high polymer is any of polyacetylene, polythiophene, polyaniline or polyhenylene.
In the present embodiment, the binding agent is any of epoxy organosilicon, polyurethane or acrylic acid.
A kind of electromagnetic shielding material with electromagnetic wave absorption filler, including substrate and screen layer, the screen layer are arranged on
Conductive layer is provided with above the thereon, the screen layer, the conductive layer is provided with mould release membrance.
In the present embodiment, the substrate is insulation board.
In the present embodiment, the screen layer is the fibrous plate being made using the electromagnetic wave absorption filler.
In the present embodiment, the conductive layer is conductive nano equadag coating, and thickness is 0.4-0.6mm.
Beneficial effect is：Thickness of thin, light weight, absorbability are strong, can also meet multiband shielding, substantially increase electromagnetism
The function of shielding of shielding.
Brief description of the drawings
Fig. 1 is a kind of topology view of electromagnetic shielding material with electromagnetic wave absorption filler of the present invention.
1st, mould release membrance；2nd, conductive layer；3rd, screen layer；4th, substrate.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of complex microsphere particle electromagnetic wave absorption filler, including silicate nano material, magnetic metal are micro-
Powder, polycrystalline iron fiber, conduction high polymer and binding agent, wherein：
In the present embodiment, the silicate nano material is hollow silicate nanoparticle, and density is 0.8g/cm3, no
It is only lightweight, and with higher dielectric constant and complex permeability, it can absorb frequency electromagnetic waves.
In the present embodiment, the magnetic metal micro mist is the gold of Fe powder, Ni powder or Co powder that particle diameter is 20nm-1.5 μm
Belong to simple substance or its alloy particle, be sputtered at the microsphere surface of the silicate nano material, thickness is 2.0 μm, the magnetic gold
Belong to micro mist have higher magnetic conductivity imaginary part and magnetic loss tangent, mainly by magnetic hystersis loss, eddy-current loss and naturally be total to
Shake the mechanism attenuation by absorption electromagnetic waves such as loss.
In the present embodiment, the polycrystalline iron fiber is nanoscale polycrystalline fibre, is doped in the magnetic metal micro mist,
So as to change the shortcoming of the magnetic metal micro mist low-frequency range absorbability difference, increase the magnetic metal micro mist electromagnetic wave absorption
Frequency bandwidth range.
In the present embodiment, the conduction high polymer is any of polyacetylene, polythiophene, polyaniline or polyhenylene,
The conduction high polymer can reflection electromagnetic wave.
In the present embodiment, the binding agent is any of epoxy organosilicon, polyurethane or acrylic acid.
A kind of electromagnetic shielding material with electromagnetic wave absorption filler, including substrate 4 and screen layer 3, the screen layer 3 are set
On the substrate 4, the screen layer 3 is provided with conductive layer 2 above, and the conductive layer 2 is provided with mould release membrance 1 above.
In the present embodiment, the substrate 4 is insulation board.
In the present embodiment, the screen layer 3 is the fibrous plate being made using the electromagnetic wave absorption filler, the shielding
Layer 3 is used to shield electromagnetic wave.
In the present embodiment, the conductive layer 2 is conductive nano equadag coating, and thickness is 0.4-0.6mm, the conductive layer
2 are used to shield electrostatic.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its Xiao Wu circle
It is fixed.
Claims (10)
1. a kind of complex microsphere particle electromagnetic wave absorption filler, it is characterised in that：It is micro- including silicate nano material, magnetic metal
Powder, polycrystalline iron fiber, conduction high polymer and binding agent, wherein：
。
2. a kind of complex microsphere particle electromagnetic wave absorption filler according to claim 1, it is characterised in that：The silicate is received
Rice material is hollow silicate nanoparticle, and density is 0.8g/cm3。
3. a kind of complex microsphere particle electromagnetic wave absorption filler according to claim 1, it is characterised in that：The magnetic metal
Micro mist is the metal simple-substance or its alloy particle of Fe powder, Ni powder or Co powder that particle diameter is 20nm-1.5 μm, is sputtered at the silicic acid
The microsphere surface of salt nano material, thickness is 2.0 μm.
4. a kind of complex microsphere particle electromagnetic wave absorption filler according to claim 1, it is characterised in that：The polycrystalline iron is fine
Tie up as nanoscale polycrystalline fibre, be doped in the magnetic metal micro mist.
5. a kind of complex microsphere particle electromagnetic wave absorption filler according to claim 1, it is characterised in that：It is described conductive high poly-
Thing is any of polyacetylene, polythiophene, polyaniline or polyhenylene.
6. a kind of complex microsphere particle electromagnetic wave absorption filler according to claim 1, it is characterised in that：The binding agent is
Any of epoxy organosilicon, polyurethane or acrylic acid.
7. a kind of electromagnetic shielding material with electromagnetic wave absorption filler, it is characterised in that：Including substrate and screen layer, the shielding
Layer, which is arranged on above the thereon, the screen layer, is provided with conductive layer, and the conductive layer is provided with mould release membrance.
8. a kind of electromagnetic shielding material with electromagnetic wave absorption filler according to claim 7, it is characterised in that：The base
Plate is insulation board.
9. a kind of electromagnetic shielding material with electromagnetic wave absorption filler according to claim 7, it is characterised in that：The screen
It is the fibrous plate being made using the electromagnetic wave absorption filler to cover layer.
10. a kind of electromagnetic shielding material with electromagnetic wave absorption filler according to claim 7, it is characterised in that：It is described
Conductive layer is conductive nano equadag coating, and thickness is 0.4-0.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449180.5A CN107148207A (en) | 2017-06-14 | 2017-06-14 | A kind of complex microsphere particle electromagnetic wave absorption filler and the electromagnetic shielding material with the electromagnetic wave absorption filler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449180.5A CN107148207A (en) | 2017-06-14 | 2017-06-14 | A kind of complex microsphere particle electromagnetic wave absorption filler and the electromagnetic shielding material with the electromagnetic wave absorption filler |
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| Publication Number | Publication Date |
|---|---|
| CN107148207A true CN107148207A (en) | 2017-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710449180.5A Pending CN107148207A (en) | 2017-06-14 | 2017-06-14 | A kind of complex microsphere particle electromagnetic wave absorption filler and the electromagnetic shielding material with the electromagnetic wave absorption filler |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068555A (en) * | 2018-09-18 | 2018-12-21 | 北京梦之墨科技有限公司 | A kind of electromagnetic shielding box |
| CN109207019A (en) * | 2018-08-27 | 2019-01-15 | 国网河南省电力公司检修公司 | A kind of conductive anti-corrosion coating and preparation method thereof |
| CN109337431A (en) * | 2018-10-25 | 2019-02-15 | 深圳市睿华涂布科技有限公司 | A kind of high polymer absorbing material |
| CN110315807A (en) * | 2018-03-28 | 2019-10-11 | 中国建筑材料科学研究总院有限公司 | A kind of glued board and preparation method thereof with electromagnetic wave absorption function |
| CN111423729A (en) * | 2020-05-13 | 2020-07-17 | 江苏雷兹盾材料科技有限公司 | Solvent-free high-thermal-conductivity wave-absorbing magnetic silicone rubber and preparation method thereof |
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| CN102504758A (en) * | 2011-10-17 | 2012-06-20 | 华东理工大学 | Hollow multilayer core-shell material with electromagnetic wave adsorption characteristic and preparation method thereof |
| CN102634169A (en) * | 2011-02-15 | 2012-08-15 | 中国科学院理化技术研究所 | Wave-absorbing material composited by magnetic material and conducting polymer as well as preparation method thereof |
| CN103160054A (en) * | 2011-12-09 | 2013-06-19 | 财团法人工业技术研究院 | Composite material with conductivity and ferromagnetism and mixed slurry thereof |
| CN103879119A (en) * | 2012-12-20 | 2014-06-25 | 深圳科诺桥科技有限公司 | Printed circuit board, high-filling-power electromagnetic shielding film and making method of film |
| CN106512874A (en) * | 2015-09-09 | 2017-03-22 | 中国科学院理化技术研究所 | Method of coating glass hollow microsphere surface with spinel type ferrite shell, obtained hollow composite microsphere and application thereof |
-
2017
- 2017-06-14 CN CN201710449180.5A patent/CN107148207A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102634169A (en) * | 2011-02-15 | 2012-08-15 | 中国科学院理化技术研究所 | Wave-absorbing material composited by magnetic material and conducting polymer as well as preparation method thereof |
| CN102504758A (en) * | 2011-10-17 | 2012-06-20 | 华东理工大学 | Hollow multilayer core-shell material with electromagnetic wave adsorption characteristic and preparation method thereof |
| CN103160054A (en) * | 2011-12-09 | 2013-06-19 | 财团法人工业技术研究院 | Composite material with conductivity and ferromagnetism and mixed slurry thereof |
| CN103879119A (en) * | 2012-12-20 | 2014-06-25 | 深圳科诺桥科技有限公司 | Printed circuit board, high-filling-power electromagnetic shielding film and making method of film |
| CN106512874A (en) * | 2015-09-09 | 2017-03-22 | 中国科学院理化技术研究所 | Method of coating glass hollow microsphere surface with spinel type ferrite shell, obtained hollow composite microsphere and application thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110315807A (en) * | 2018-03-28 | 2019-10-11 | 中国建筑材料科学研究总院有限公司 | A kind of glued board and preparation method thereof with electromagnetic wave absorption function |
| CN109207019A (en) * | 2018-08-27 | 2019-01-15 | 国网河南省电力公司检修公司 | A kind of conductive anti-corrosion coating and preparation method thereof |
| CN109068555A (en) * | 2018-09-18 | 2018-12-21 | 北京梦之墨科技有限公司 | A kind of electromagnetic shielding box |
| CN109337431A (en) * | 2018-10-25 | 2019-02-15 | 深圳市睿华涂布科技有限公司 | A kind of high polymer absorbing material |
| CN111423729A (en) * | 2020-05-13 | 2020-07-17 | 江苏雷兹盾材料科技有限公司 | Solvent-free high-thermal-conductivity wave-absorbing magnetic silicone rubber and preparation method thereof |
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Application publication date: 20170908 |