CN201336796Y - Composite electromagnetic shielding rubber - Google Patents
Composite electromagnetic shielding rubber Download PDFInfo
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- CN201336796Y CN201336796Y CNU2008201720300U CN200820172030U CN201336796Y CN 201336796 Y CN201336796 Y CN 201336796Y CN U2008201720300 U CNU2008201720300 U CN U2008201720300U CN 200820172030 U CN200820172030 U CN 200820172030U CN 201336796 Y CN201336796 Y CN 201336796Y
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- electromagnetic shielding
- composite electromagnetic
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Abstract
The utility model belongs to the technical field of rubber materials, relates to an electromagnetic rubber technology and provides a composite electromagnetic shielding rubber. The composite electromagnetic shielding rubber adopts the double-layer composite mode or multi-layer composite mode and is formed by compositing decorative rubber and functional rubber, wherein the functional rubber has the electromagnetic shielding performance; the composite interface can be any geometric structure form which can be matched and realized, comprising a plane surface, a curved surface, tooth shapes meshed with each other and the like. The composite electromagnetic shielding rubber has good mechanical property and electromagnetic shielding effectiveness and lower cost, which can improve the water vapor sealing property and antiseptic property of the composite electromagnetic shielding rubber; in addition, the property of the composite electromagnetic shielding rubber is ensured, meanwhile, the shape and the color thereof has good designability. The composite electromagnetic shielding rubber is suitable for electromagnetic shielding and sealing for the seam part or the hole part of the shell of electric equipment which has the requirements of electromagnetic radiation and electromagnetic interference inhabitation as well as shape and color matching.
Description
One, technical field
The utility model belongs to the elastomeric material technical field, relates to the electromagnetic shield rubber technology, more particularly, relates to a kind of composite construction of composite electromagnetic screen rubber.
Two, background technology
Along with the development of electromangnetic spectrum, the research field of electromagnetic shielding material is more active, and existing pertinent literature has been reported the state of development of electromagnetic shielding material.Advantages such as electromagnetic shield rubber is in light weight because of it, easy-formation, good springiness, resistivity is adjustable become a kind of very widely electromagnetic shielding material of application.
It is matrix with the liquid silastic that US 6469090B2 " electrically conductive liquid silicone rubber composition " has introduced a kind of, interpolation conducting powder or plating powder and Cab-O-sil and vulcanizing agent prepare the method for electromagnetic shielding silicon rubber, and specific insulation reaches 10
-5The Ω .cm order of magnitude.CN 200410074318.0 " high electroconductive rubber and preparation method thereof " has introduced and has a kind ofly added conducting powder in bi-component silica gel, through lower conductive rubbers of prepared resistivity such as mixing, moulding.The electromagnetic shield rubber of above patent disclosure has good electromagnet shield effect, is unitary system.
CN 200710039852.1 " a kind of conductive silicon rubber and preparation method with capability of electromagnetic shielding " discloses a kind of composition system that interpolation is conducted electricity in the silicon rubber matrix, magnetic conductive media prepares conductive silicon rubber, can prepare colorful conductive rubber by adding colouring agent, in the broad frequency range, have good capability of electromagnetic shielding and have the color of expection.Conduction and the shared part by weight of magnetic conductive media are higher in the system, and color and performance are taken into account DeGrain, and the color limitation is big.
ZL 03247587.X " composite electromagnetic shield materials " discloses a kind of technical scheme at silicone rubber based volume surrounding covering conductive layer, comprises the molten slurry of conductive rubber, conductive paint and conduction.ZL 200520035467.6 " composite conducting rubber strip " discloses a kind of technical scheme that conductive filler is made the rubber combined preparation composite conducting of conductive rubber and silicon rubber or fluosilicic rubber strip of adding in silicon rubber or fluosilicic rubber.More than the compounded rubber of two parts of patent disclosures be the composite construction of electric conducting material and rubber matrix, compound interface is Planar Compound, does not provide the concrete technical information relevant with colour planning simultaneously, is difficult to realize the coupling of outward appearance and color requirement.
Three, summary of the invention
The utility model proposes a kind of composite construction of electromagnetic shield rubber at having the problem that electromagnetic shield rubber material appearance and capability of electromagnetic shielding are difficult to take into account now, and realization outward appearance and effectiveness are taken into account.
The purpose of this utility model is to realize like this, employing has the rubber of capability of electromagnetic shielding as functional rubber, adopts General Purpose Rubber as decorating rubber, two-layer compound or MULTILAYER COMPOSITE, wherein one deck is a functional rubber at least, and the compound interface of two kinds of rubber has the geometry of coupling.
The composite electromagnetic screen rubber that the utility model relates to, form by decorating rubber and functional rubber, it is characterized in that: decorate rubber 1 and one deck functional rubber 2 compound obtaining by one deck at least, the compound interface of two kinds of rubber has the geometry of coupling, and the basic structure form as shown in Figure 1.
The composite electromagnetic screen rubber that the utility model relates to, form by decorating rubber and functional rubber, it is characterized in that: form by two-layer decoration rubber 1 and one deck functional rubber 2, the compound interface of two kinds of rubber has the geometry of coupling, the matrix of decorating rubber can be identical with color, also can be different, basic structure is as shown in Figure 2.
The composite electromagnetic screen rubber that the utility model relates to is characterized in that: the composite surface of two kinds of rubber is a kind of or wherein several combination in plane, curved surface, the engaged flute profile.
The composite electromagnetic screen rubber that the utility model relates to, it is characterized in that: the composite surface of two kinds of rubber is a kind of or wherein several combination in waveform, triangle, rectangle flute profile, convex, T type, the wedge type, and the structure of several exemplary complex faces as shown in Figure 3.
The composite electromagnetic screen rubber that the utility model relates to is characterized in that: cross sectional shape is a kind of in solid construction or the hollow-core construction, and several typical section structures as shown in Figure 4.Cross sectional shape is a symmetrical structure, as accompanying drawing 4 (a), (c), also can be unsymmetric structure, as accompanying drawing 4 (b), (d).
The composite electromagnetic screen rubber that the utility model relates to is characterized in that: functional rubber is selected from a kind of in silicone rubber based electromagnetic shield rubber, fluosilicic rubber-based electromagnetic shield rubber or the ethylene propylene diene rubber base electro-magnetic screen rubber.
The composite electromagnetic screen rubber that the utility model relates to is characterized in that: decorate rubber and can be a kind of in the compounded rubber of any color that can realize or polychrome.
The composite electromagnetic screen rubber that the utility model relates to is characterized in that: decorate rubber and be selected from a kind of in silicone rubber based, fluosilicic rubber-based or the ethylene-propylene-diene monomer matrix rubber.
The composite electromagnetic screen rubber that the utility model relates to is characterized in that: decorate a kind of in silicone rubber based, the fluosilicic rubber-based of adding colouring agent or the ethylene-propylene-diene monomer matrix rubber of rubber.
The composite electromagnetic screen rubber that the utility model relates to is characterized in that: the matrix and the color of two-layer decoration rubber are independently of one another.
The composite electromagnetic screen rubber that the utility model relates to is characterized in that: functional rubber and decoration rubber can adopt any complex method that can realize compound.
The composite electromagnetic screen rubber that the utility model relates to, have good mechanical performance, capability of electromagnetic shielding and lower cost, improve water vapor seal performance and antiseptic property simultaneously, practical, when guaranteeing the electromagnetic shield rubber performance, outward appearance and color have good designability, realize the coupling with applied environment, are specially adapted to the seam portion of the electronic equipment casing that outward appearance and color require or the electromagnetic shielding and the sealing of hole part.
Four, description of drawings
The two-layer compound basic structure schematic diagram of Fig. 1 composite electromagnetic screen rubber
The basic structure schematic diagram of Fig. 2 composite electromagnetic screen rubber MULTILAYER COMPOSITE
The structural representation of the exemplary complex face of Fig. 3 composite electromagnetic screen rubber
The structural representation of the typical section of Fig. 4 composite electromagnetic screen rubber
A kind of composite electromagnetic screen rubber structure of Fig. 5 schematic diagram
A kind of composite electromagnetic screen rubber structure of Fig. 6 schematic diagram
The structural representation of a kind of electromagnetic shielding liner of Fig. 7
Wherein: 1-decorates rubber, 2-functional rubber, 3-location hole.
Five, embodiment
Below in conjunction with embodiment the technical scheme that the utility model proposes is further specified, but not as the restriction to technical scheme.Any the utility model purpose composite construction of can realizing all constitutes the part that the utility model relates to technical scheme.
Embodiment one
Decorating rubber 1 is the thick black silicon rubber of 2mm, and functional rubber 2 is thick for 2mm, the interpolation particle diameter is the Base-30 silicon rubber of 0.5 μ m silver powder, and specific insulation is 8.0 * 10
-4Ω .cm, the composite surface structure chart of compounded rubber are shown in accompanying drawing 3 (a), and compound interface is the plane, and cross sectional shape is that rectangle is shown in accompanying drawing 4 (a).Employing is extruded the compound skin that obtains of sulfuration process and is the composite electromagnetic screen rubber of black, has good electromagnet shield effect and water vapor seal.
Embodiment two
Decorating rubber 1 is the thick yellow silicon rubber of 0.5mm, and functional rubber 2 is thick for 2mm, the interpolation particle diameter is the Base-30 silicon rubber of 1-5 μ m silvered aluminum powder, and specific insulation is 2.0 * 10
-3Ω .cm, the composite surface structure chart of compounded rubber are shown in accompanying drawing 3 (a), and compound interface is the plane, and cross sectional shape is that hollow round rectangle is shown in accompanying drawing 4 (d).The compound composite electromagnetic screen rubber that obtains outer for yellow of sulfuration process is extruded in employing, has good electromagnet shield effect and water vapor seal.
Embodiment three
Decorating rubber 1 is the thick white fluosilicic rubber of 3mm, and functional rubber 2 is thick for 1mm, the interpolation particle diameter is the fluosilicic rubber of 30-40 μ m silvered glass microballon, and specific insulation is 1.25 * 10
-3Ω .cm, the composite surface structure chart of compounded rubber are shown in accompanying drawing 3 (b), and compound interface is a wavy surface.Two kinds of rubber bond together with the LDJ-309 chloroprene rubber adhesive agent respectively by behind the molded vulcanization, obtain outer composite electromagnetic screen rubber for white, have good electromagnet shield effect and water vapor seal.
Embodiment four
Present embodiment provides a kind of three-layer composite structure, compound interface is respectively plane and gore, the composite surface structure chart as shown in Figure 2, the white and the black silicon fluorubber that adopt thickness to be 1mm respectively are decoration rubber 1, adopting the fluosilicic rubber that 1mm is thick, the interpolation particle diameter is 1-5 μ m silver-plated copper powder is functional rubber layer 2, and specific insulation is 1.0 * 10
-3Ω .cm, adopting the compound skin that obtains of molded vulcanization technology is the composite electromagnetic screen rubber of black for white internal layer, has good electromagnet shield effect and water vapor seal.
Embodiment five
Decorating rubber 1 is the thick red silicon rubber of 2mm, and functional rubber 2 is thick for 2mm, the interpolation particle diameter is the silicon rubber of the silver-plated nickel powder of 1-5 μ m, and specific insulation is 3.0 * 10
-3Ω .cm, the composite surface structure chart of compounded rubber are shown in accompanying drawing 3 (f), and compound interface is a wedge surface.Two kinds of rubber bond together with the LDJ-309 chloroprene rubber adhesive agent respectively by behind the molded vulcanization, obtain outer composite electromagnetic screen rubber for redness, have good electromagnet shield effect and water vapor seal.
Embodiment six
Decorating rubber 1 is the thick green ethylene propylene diene rubber of 0.4mm, and functional rubber 2 is thick for 0.4mm, the interpolation particle diameter is the ethylene propylene diene rubber of 0.5 μ m silver powder, and specific insulation is 1.5 * 10
-3Ω .cm, the composite surface structure chart of compounded rubber are shown in accompanying drawing 3 (g), and compound interface is the T profile.Two kinds of rubber directly are interlocked respectively by behind the molded vulcanization, obtain outer composite electromagnetic screen rubber for green, have good electromagnet shield effect and water vapor seal.
Embodiment seven
Decorating rubber 1 is the thick blue look ethylene propylene diene rubber of 0.1mm, and functional rubber 2 is thick for 0.1mm, the interpolation particle diameter is the ethylene propylene diene rubber of 5 μ m silver powder, and specific insulation is 3.0 * 10
-3Ω .cm, the composite surface structure chart of compounded rubber are shown in accompanying drawing 3 (h), and compound interface is the composite surface of T type and undaform.Adopt the compound skin that obtains of molded vulcanization technology to be the composite electromagnetic screen rubber of blue look, have good electromagnet shield effect and water vapor seal.
Embodiment eight
Decorating rubber 1 is the faint yellow silicon rubber of Type B of arc radius 2mm, bottom width 4mm, thickness 3.5mm, and functional rubber 2 is thick for 4mm, specific insulation is 1.25 * 10
-3The electromagnetic shield rubber of Ω .cm, the composite surface structure chart of compounded rubber as shown in Figure 5, compound interface is the plane, adopts the compound skin that obtains of molded vulcanization technology to be the faint yellow composite electromagnetic screen rubber of Type B, has good electromagnet shield effect and water vapor seal.
Embodiment nine
Adopt alternately compound, width and thickness to be red, yellow, green, the blue fluosilicic rubber of 1mm for decorating rubber 1, the employing width is that 4mm, thickness are 1mm, to add particle diameter be that the fluosilicic rubber of the silver-plated copper powder of 1-5 μ m is functional rubber 2, and specific insulation is 2.5 * 10
-3Ω .cm, the composite surface structure chart of compounded rubber as shown in Figure 6, compound interface is the plane.Adopt that molded vulcanization technology is compound to obtain the outer composite electromagnetic screen rubber that replaces for green blue four looks of reddish yellow, have good electromagnet shield effect and water vapor seal.
Embodiment ten
Present embodiment provides a kind of structure of electromagnetic shielding liner, and structure adopts the thick black silicon rubber of 3mm for decorating rubber 1 as shown in Figure 7, and employing 3mm is thick, specific insulation is 1.0 * 10
-3The electromagnetic shield rubber of Ω .cm is a functional rubber 2, and it is 4 location holes 3 of 0.8mm that there is the aperture screen inboard, adopts the compound skin that obtains of molded vulcanization technology to be the composite electromagnetic screen liner of black, has good electromagnet shield effect and water vapor seal.
Claims (10)
1 one kinds of composite electromagnetic screen rubber, form by decorating rubber and functional rubber, it is characterized in that: decorate rubber (1) and compound the obtaining of one deck functional rubber (2) by one deck at least, the geometry that the compound interface of decoration rubber (1) and functional rubber (2) has coupling.
2 one kinds of composite electromagnetic screen rubber, form by decorating rubber and functional rubber, it is characterized in that: form by two-layer decoration rubber (1) and one deck functional rubber (2), the both sides of functional rubber (2) respectively have one deck to decorate rubber (1), the geometry that the compound interface of two-layer decoration rubber (1) and functional rubber (2) has coupling respectively.
3 claims 1 or 2 described composite electromagnetic screen rubber is characterized in that: the composite surface of decorating rubber (1) and functional rubber (2) is a kind of or wherein several combination in plane, curved surface, the engaged flute profile.
The described composite electromagnetic screen rubber of 4 claims 3 is characterized in that: the composite surface of decorating rubber (1) and functional rubber (2) is a kind of or wherein several combination in waveform, triangle, rectangle flute profile, convex, T type, the wedge type.
The described composite electromagnetic screen rubber of 5 claims 1 is characterized in that: cross sectional shape is a kind of in solid construction or the hollow-core construction.
6 claims 1 or 2 described composite electromagnetic screen rubber is characterized in that: functional rubber (2) is selected from a kind of in silicone rubber based electromagnetic shield rubber, fluosilicic rubber-based electromagnetic shield rubber or the ethylene propylene diene rubber base electro-magnetic screen rubber.
7 claims 1 or 2 described composite electromagnetic screen rubber is characterized in that: decorate a kind of in the compounded rubber that rubber (1) can be any color that can realize or polychrome.
8 claims 1 or 2 described composite electromagnetic screen rubber is characterized in that: decorate rubber (1) and be selected from a kind of in silicone rubber based, fluosilicic rubber-based or the ethylene-propylene-diene monomer matrix rubber.
The described composite electromagnetic screen rubber of 9 claims 8 is characterized in that: decorate a kind of in silicone rubber based, the fluosilicic rubber-based of adding colouring agent or the ethylene-propylene-diene monomer matrix rubber of rubber (1).
The described composite electromagnetic screen rubber of 10 claims 2 is characterized in that: the matrix and the color of two-layer decoration rubber (1) are independently of one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201720300U CN201336796Y (en) | 2008-09-26 | 2008-09-26 | Composite electromagnetic shielding rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201720300U CN201336796Y (en) | 2008-09-26 | 2008-09-26 | Composite electromagnetic shielding rubber |
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| CN201336796Y true CN201336796Y (en) | 2009-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008201720300U Expired - Fee Related CN201336796Y (en) | 2008-09-26 | 2008-09-26 | Composite electromagnetic shielding rubber |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206371A (en) * | 2011-04-08 | 2011-10-05 | 青岛科技大学 | Reclaimed rubber composite material with electromagnetic shielding performance and preparation method thereof |
| CN102206365A (en) * | 2011-04-08 | 2011-10-05 | 青岛科技大学 | Rubber powder composite material with electromagnetic shielding effectiveness, and preparation method thereof |
| CN102977614A (en) * | 2012-11-05 | 2013-03-20 | 安徽金桥电缆有限公司 | Mouse, high temperature, low temperature and oil resistant environmentally-friendly cable material and its preparation method |
| CN104616754A (en) * | 2015-01-29 | 2015-05-13 | 江苏中煤电缆有限公司 | Novel explosion-proof cable |
| CN106545657A (en) * | 2016-10-31 | 2017-03-29 | 中国电子科技集团公司第二十九研究所 | A kind of steam Electromagnetic heating plate seal liner |
| CN107556694A (en) * | 2016-02-25 | 2018-01-09 | 杨攀 | A kind of battery screen rubber of Waterproof cable joint |
| CN108538469A (en) * | 2018-03-29 | 2018-09-14 | 李皆延 | A kind of polyvinyl chloride signal wire |
| CN108597665A (en) * | 2018-03-29 | 2018-09-28 | 李皆延 | A kind of polyolefin shielded signal line |
-
2008
- 2008-09-26 CN CNU2008201720300U patent/CN201336796Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102206371A (en) * | 2011-04-08 | 2011-10-05 | 青岛科技大学 | Reclaimed rubber composite material with electromagnetic shielding performance and preparation method thereof |
| CN102206365A (en) * | 2011-04-08 | 2011-10-05 | 青岛科技大学 | Rubber powder composite material with electromagnetic shielding effectiveness, and preparation method thereof |
| CN102206371B (en) * | 2011-04-08 | 2013-03-06 | 青岛科技大学 | Reclaimed rubber composite material with electromagnetic shielding performance and preparation method thereof |
| CN102206365B (en) * | 2011-04-08 | 2013-03-06 | 青岛科技大学 | Rubber powder composite material with electromagnetic shielding effectiveness, and preparation method thereof |
| CN102977614A (en) * | 2012-11-05 | 2013-03-20 | 安徽金桥电缆有限公司 | Mouse, high temperature, low temperature and oil resistant environmentally-friendly cable material and its preparation method |
| CN102977614B (en) * | 2012-11-05 | 2016-01-20 | 安徽金桥电缆有限公司 | A kind of protection against rodents high-and low-temperature resistance oil-proofness environment-friendly cable material and preparation method thereof |
| CN104616754A (en) * | 2015-01-29 | 2015-05-13 | 江苏中煤电缆有限公司 | Novel explosion-proof cable |
| CN107556694A (en) * | 2016-02-25 | 2018-01-09 | 杨攀 | A kind of battery screen rubber of Waterproof cable joint |
| CN106545657A (en) * | 2016-10-31 | 2017-03-29 | 中国电子科技集团公司第二十九研究所 | A kind of steam Electromagnetic heating plate seal liner |
| CN106545657B (en) * | 2016-10-31 | 2018-10-19 | 中国电子科技集团公司第二十九研究所 | A kind of steam Electromagnetic heating plate seal liner |
| CN108538469A (en) * | 2018-03-29 | 2018-09-14 | 李皆延 | A kind of polyvinyl chloride signal wire |
| CN108597665A (en) * | 2018-03-29 | 2018-09-28 | 李皆延 | A kind of polyolefin shielded signal line |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20150926 |
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| EXPY | Termination of patent right or utility model |