CN109912984A - Composite co-extruding silica gel material and its manufactured conductive silicon adhesive tape - Google Patents
Composite co-extruding silica gel material and its manufactured conductive silicon adhesive tape Download PDFInfo
- Publication number
- CN109912984A CN109912984A CN201910106769.4A CN201910106769A CN109912984A CN 109912984 A CN109912984 A CN 109912984A CN 201910106769 A CN201910106769 A CN 201910106769A CN 109912984 A CN109912984 A CN 109912984A
- Authority
- CN
- China
- Prior art keywords
- silica gel
- gel material
- parts
- conductive
- composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a kind of composite co-extruding silica gel material and its manufactured conductive silicon adhesive tape, composite co-extruding silica gel material includes electric silica gel material and non-conductive silica gel material；The electric silica gel material includes that raw material and its mass fraction are as follows: 20-50 parts of methyl vinyl silicone, 20-70 parts of conducting particles, 0.01-3 parts of silane coupling agent and 0.1-3 parts of peroxide；The non-conductive silica gel material includes that raw material and its mass fraction are as follows: 20-95 parts of methyl vinyl silicone, 0.02-2 parts of noble metal catalyst, 0.1-5 parts of containing hydrogen silicone oil and 0.01-1 parts of inhibitor.Composite co-extruding silica gel material of the invention avoids the problem of the physical property difference of single electric silica gel, makes rubber strip while reaching shielding requirements, has good environment sealing function.
Description
Technical field
The present invention relates to a kind of conductive silicon adhesive tape more particularly to a kind of composite co-extruding silica gel material and its manufactured conductive silicons
Adhesive tape.
Background technique
As communication base station, the control system of new-energy automobile, the application of smart grid control cabinet etc. are to installation electromagnetical
Compatibility requirements are higher, the more and more electromagnetic shieldings for being employed for electronic equipment slit of conductive silicon adhesive tape and adverse circumstances it is close
Envelope.Existing conductive silicon adhesive tape is that a large amount of conducting particles is added in formula, assigns its electric conductivity.However, largely leading
The addition of charged particle causes conductive silicon adhesive tape deterioration in physical properties, is mainly reflected in that hardness is high, resilience is poor, tensile strength, pulls
Disconnected elongation and tearing strength are deteriorated, and compression set becomes larger, and are so unfavorable for the sealing of environment, especially smaller
Compressing force situation under, be unable to satisfy environment sealing and electromagnetic shielding requirement.
Summary of the invention
The technical problem to be solved in the present invention is that providing a kind of raising physical property, meet environment sealing and electromagnetic screen
The composite co-extruding silica gel material covered and its manufactured conductive silicon adhesive tape.
The technical solution adopted by the present invention to solve the technical problems is: a kind of composite co-extruding silica gel material is provided, including
Electric silica gel material and non-conductive silica gel material；The electric silica gel material includes that raw material and its mass fraction are as follows: methyl second
20-50 parts of alkenyl siloxane, 20-70 parts of conducting particles, 0.01-3 parts of silane coupling agent and 0.1-3 parts of peroxide；
The non-conductive silica gel material includes that raw material and its mass fraction are as follows: 20-95 parts of methyl vinyl silicone, expensive
0.02-2 parts of metallic catalyst, 0.1-5 parts of containing hydrogen silicone oil and 0.01-1 parts of inhibitor.
Preferably, the conducting particles includes nickel powder, silver powder, silvered aluminum powder, silver-plated copper powder, silvered glass powder, nickel plating stone
One of ink powder and nickel plated aluminum powder are a variety of.
Preferably, the noble metal catalyst is platinum catalyst.
Preferably, the peroxide include dicumyl peroxide, 2,5- dimethyl -2,5- bis(t-butylperoxy) oneself
It is one or more in alkane, the double 2,4 dichloro benzene formyls of peroxidating.
Preferably, the electric silica gel material further includes 0.1-5 parts of methyl-silicone oil.
Preferably, the non-conductive silica gel material further includes 0.1-5 parts of methyl-silicone oil.
Preferably, the non-conductive silica gel material further includes 0.1-5 parts of color.
Preferably, the methyl second of the methyl vinyl silicone of the electric silica gel material and the non-conductive silica gel material
The hardness of alkenyl siloxane is different.
The present invention also provides conductive silicon adhesive tape made of more than one described in any item composite co-extruding silica gel materials, including
Non-conductive core material and the conductive adhesive layer being coated on the non-conductive core material；The non-conductive core material is by non-conductive silica gel material
It is formed, the conductive adhesive layer is formed by electric silica gel material.
Preferably, the conductive adhesive layer coats all or part of peripheral surface of the non-conductive core material.
Composite co-extruding silica gel material of the invention, is made of electric silica gel material and non-conductive silica gel material, can be by multiple
Extruding process is amounted to compound conductive silicon adhesive tape is made, the problem of the physical property difference of single electric silica gel is avoided, rubber strip is made to exist
While reaching shielding requirements, there is good environment sealing function.
Specific embodiment
Composite co-extruding silica gel material of the invention, including electric silica gel material and non-conductive silica gel material.
Wherein, electric silica gel material includes that raw material and its mass fraction are as follows: 20-50 parts of methyl vinyl silicone is led
20-70 parts of charged particle, 0.01-3 parts of silane coupling agent, 0.1-3 parts of peroxide and 0.1-5 parts of silicone oil.
Electric silica gel material has many advantages, such as that volume resistivity is low, shield effectiveness is excellent.Methyl vinyl silicone conduct
Substrate fills a large amount of conducting particles, using peroxide as crosslinking agent, under certain high-temperature condition, is crosslinked.It is conductive
Particle is single and/or compound conducting particles, such as may include nickel powder, silver powder, silvered aluminum powder, silver-plated copper powder, silver-plated glass
One of glass powder, nickel-plated graphite powder and nickel plated aluminum powder are a variety of.
Peroxide includes dicumyl peroxide, 2,5- dimethyl -2,5- bis(t-butylperoxy) hexane, peroxidating pair
It is one or more in 2,4 dichloro benzene formyl.
The preferred methyl-silicone oil of silicone oil, primarily serves the effect of lubricant, is conducive to demoulding.
0.1-5 parts of color can also be added as needed in electric silica gel material, required color can be tuned into.
Non-conductive silica gel material includes that raw material and its mass fraction are as follows: 20-95 parts of methyl vinyl silicone, noble metal
0.02-2 parts of catalyst, 0.1-5 parts of containing hydrogen silicone oil and 0.01-1 parts of inhibitor.
Noble metal catalyst is preferably platinum catalyst, and curingprocess rate is fast and can vulcanize in lower temperature, it is ensured that non-to lead
Electric silica gel material plays the role of loading conductive adhesive layer.
Containing hydrogen silicone oil is as crosslinking agent.Inhibitor reaches certain for inhibiting the effect of catalyst at a certain temperature
After temperature, acts on and weakening rapidly.
The non-conductive silica gel material may also include 0.1-5 parts of methyl-silicone oil, play the role of lubricant, be conducive to demoulding.Also
It may include 0.1-5 parts of color, corresponding color used according to desired color.
In addition, non-conductive silica gel material may also include fire retardant, it is a kind of or more for example, in magnesium hydroxide, aluminium hydroxide etc.
Kind.The mass fraction of fire retardant can be 10-30 parts, can according to circumstances increase and decrease.
Non-conductive silica gel material also can be carried out crosslinking at low temperature.Vulcanizate after crosslinking curing have tensile strength it is high,
Compression set and the high excellent performance of elasticity.
In composite co-extruding silica gel material of the invention, methyl second is used in electric silica gel material and non-conductive silica gel material
Alkenyl siloxane is as substrate.Particularly, the hardness of the methyl vinyl silicone of the two is different.
In the present invention, because conduction formula is different from the cross-linking system of non-conductive formulation selection, then when crosslinking temperature and crosslinking
Between it is different, conductive glue formula uses peroxide systems, and crosslinking temperature is high, crosslinking rate is slow；Non-conductive silica gel material uses platinum
Golden catalytic crosslinker, crosslinking temperature is low, and crosslinking rate is fast, can form the adhesive tape branch with some strength faster, earlier
Bearing portion point, so as to electric silica gel material face attached thereto.
Composite co-extruding silica gel material of the invention, for conductive silicon adhesive tape to be made.Conductive silicon adhesive tape includes non-conductive core material
And it is coated on the conductive adhesive layer on non-conductive core material.Non-conductive core material is formed by non-conductive silica gel material, and conductive adhesive layer is by leading
Electric silica gel material is formed.
Conductive adhesive layer can coat whole peripheral surfaces of non-conducting material, be also possible to portion perimeter surface, coat shape
Formula does not limit.
Conductive silicon adhesive tape of the invention is made of that composite co-extruding silica gel material passes through composite co-extruding technique, electric silica gel material
It is crosslinked mutually under the high temperature conditions with non-conductive silica gel material, cross-bond is the binding force of the two, and bond strength is high.
Below by specific embodiment, the invention will be further described.
Embodiment 1
Electric silica gel material: 23 parts of methyl vinyl silicone, 74 parts of silvered aluminum powder, 2 parts of methyl-silicone oil, silane coupling agent
0.2 part, 0.8 part of peroxide；
Non-conductive silica gel material:
91.3 parts of methyl ethylene silica gel, 0.5 part of platinum catalyst, 2 parts of methyl-silicone oil, 3 parts of color, 3 parts of containing hydrogen silicone oil,
0.2 part of inhibitor.
Rubber compound production technology: ingredient → mill mixing → slice → is parked.
According to the rubber compound that above-mentioned mixing has been plasticized, production conductive silicon adhesive tape is carried out with the technique of composite co-extruding.It is obtained
The performance test of conductive silicon adhesive tape and result such as the following table 1, table 2.
1 rubber compound curability of table
2 physical property of table
Embodiment 2
Electric silica gel material: 32 parts of methyl ethylene silica gel, 65 parts of nickel-plated graphite powder, 2 parts of methyl-silicone oil, silane coupling agent
0.2 part, 0.8 part of peroxide；
Non-conductive silica gel material:
73 parts of methyl ethylene silica gel, 0.2 part of platinum catalyst, 2 parts of methyl-silicone oil, 1.5 parts of color, 1 part of containing hydrogen silicone oil,
0.1 part of inhibitor, 8 parts of magnesium hydroxide, 14.2 parts of aluminium hydroxide；
Rubber compound production technology: ingredient → mill mixing → slice → is parked.
According to the rubber compound that above-mentioned mixing has been plasticized, production conductive silicon adhesive tape is carried out with the technique of composite co-extruding.
The performance test of conductive silicon adhesive tape obtained and result such as the following table 3, table 4.
3 rubber compound curability of table
4 physical property of table
In embodiment 2, the material with 94V0 flame retardant rating is added in non-conductive silica gel material, such as aluminium hydroxide, hydroxide
Magnesium makes its 94 flame retardant rating of UL reach V0.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (10)
1. a kind of composite co-extruding silica gel material, including electric silica gel material and non-conductive silica gel material；It is characterized in that, described lead
Electric silica gel material includes that raw material and its mass fraction are as follows: 20-50 parts of methyl vinyl silicone, 20-70 parts of conducting particles, silicon
0.01-3 parts of alkane coupling agent and 0.1-3 parts of peroxide；
The non-conductive silica gel material includes that raw material and its mass fraction are as follows: 20-95 parts of methyl vinyl silicone, noble metal
0.02-2 parts of catalyst, 0.1-5 parts of containing hydrogen silicone oil and 0.01-1 parts of inhibitor.
2. composite co-extruding silica gel material according to claim 1, which is characterized in that the conducting particles includes nickel powder, silver
One of powder, silvered aluminum powder, silver-plated copper powder, silvered glass powder, nickel-plated graphite powder and nickel plated aluminum powder are a variety of.
3. composite co-extruding silica gel material according to claim 1, which is characterized in that the noble metal catalyst is urged for platinum
Agent.
4. composite co-extruding silica gel material according to claim 1, which is characterized in that the peroxide includes that peroxidating is different
It is propyl benzene, 2,5- dimethyl -2,5- bis(t-butylperoxy) hexane, one or more in the double 2,4 dichloro benzene formyls of peroxidating.
5. composite co-extruding silica gel material according to claim 1, which is characterized in that the electric silica gel material further includes first
0.1-5 parts of base silicone oil.
6. composite co-extruding silica gel material according to claim 1, which is characterized in that the non-conductive silica gel material further includes
0.1-5 parts of methyl-silicone oil.
7. composite co-extruding silica gel material according to claim 1, which is characterized in that the non-conductive silica gel material further includes
0.1-5 parts of color.
8. composite co-extruding silica gel material according to claim 1, which is characterized in that the methyl second of the electric silica gel material
Alkenyl siloxane is different from the hardness of methyl vinyl silicone of the non-conductive silica gel material.
9. conductive silicon adhesive tape made of a kind of described in any item composite co-extruding silica gel materials of claim 1-8, which is characterized in that
Including non-conductive core material and the conductive adhesive layer being coated on the non-conductive core material；The non-conductive core material is by non-conductive silica gel
Material is formed, and the conductive adhesive layer is formed by electric silica gel material.
10. conductive silicon adhesive tape according to claim 9, which is characterized in that the conductive adhesive layer coats the non-conducting
All or part of peripheral surface of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910106769.4A CN109912984A (en) | 2019-02-02 | 2019-02-02 | Composite co-extruding silica gel material and its manufactured conductive silicon adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910106769.4A CN109912984A (en) | 2019-02-02 | 2019-02-02 | Composite co-extruding silica gel material and its manufactured conductive silicon adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109912984A true CN109912984A (en) | 2019-06-21 |
Family
ID=66961397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910106769.4A Pending CN109912984A (en) | 2019-02-02 | 2019-02-02 | Composite co-extruding silica gel material and its manufactured conductive silicon adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109912984A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110831421A (en) * | 2019-11-14 | 2020-02-21 | 刘轶鸣 | Omnibearing conductive waterproof silica gel |
| CN113248924A (en) * | 2021-04-08 | 2021-08-13 | 深圳市飞荣达科技股份有限公司 | Flame-retardant silica gel for composite co-extrusion and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6129521A (en) * | 1984-07-19 | 1986-02-10 | Toshiba Silicone Co Ltd | Silicone rubber molded shape and manufacture thereof |
| CN102760526A (en) * | 2012-07-13 | 2012-10-31 | 江苏亨通电力电缆有限公司 | Ceramic silicon rubber insulation medium-voltage fire-resistant cable with rated voltage of 6-35kV and machining process thereof |
| CN103065717A (en) * | 2013-01-23 | 2013-04-24 | 江苏亨通电力电缆有限公司 | 6kV-35kV rated-voltage ceramic silicon rubber insulation medium-voltage fire-resistant frequency converter cable and process |
| CN105504818A (en) * | 2015-12-24 | 2016-04-20 | 中国电子科技集团公司第三十三研究所 | Co-extrusion type water-air sealing composite conductive rubber strip |
| US20160343472A1 (en) * | 2012-09-25 | 2016-11-24 | Markus Gasser | Silicone multilayer insulation for electric cable |
| CN107652688A (en) * | 2017-10-09 | 2018-02-02 | 平湖阿莱德实业有限公司 | One kind electromagnetic shielding high stability conductive elastomer and preparation method thereof |
| CN109102962A (en) * | 2018-07-03 | 2018-12-28 | 北京中科纳通电子技术有限公司 | The Preparation method and use of conductive rubber strip |
-
2019
- 2019-02-02 CN CN201910106769.4A patent/CN109912984A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6129521A (en) * | 1984-07-19 | 1986-02-10 | Toshiba Silicone Co Ltd | Silicone rubber molded shape and manufacture thereof |
| CN102760526A (en) * | 2012-07-13 | 2012-10-31 | 江苏亨通电力电缆有限公司 | Ceramic silicon rubber insulation medium-voltage fire-resistant cable with rated voltage of 6-35kV and machining process thereof |
| US20160343472A1 (en) * | 2012-09-25 | 2016-11-24 | Markus Gasser | Silicone multilayer insulation for electric cable |
| CN103065717A (en) * | 2013-01-23 | 2013-04-24 | 江苏亨通电力电缆有限公司 | 6kV-35kV rated-voltage ceramic silicon rubber insulation medium-voltage fire-resistant frequency converter cable and process |
| CN105504818A (en) * | 2015-12-24 | 2016-04-20 | 中国电子科技集团公司第三十三研究所 | Co-extrusion type water-air sealing composite conductive rubber strip |
| CN107652688A (en) * | 2017-10-09 | 2018-02-02 | 平湖阿莱德实业有限公司 | One kind electromagnetic shielding high stability conductive elastomer and preparation method thereof |
| CN109102962A (en) * | 2018-07-03 | 2018-12-28 | 北京中科纳通电子技术有限公司 | The Preparation method and use of conductive rubber strip |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110831421A (en) * | 2019-11-14 | 2020-02-21 | 刘轶鸣 | Omnibearing conductive waterproof silica gel |
| CN113248924A (en) * | 2021-04-08 | 2021-08-13 | 深圳市飞荣达科技股份有限公司 | Flame-retardant silica gel for composite co-extrusion and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20110108775A1 (en) | Enhanced performance conductive filler and conductive polymers made therefrom | |
| CN109777113B (en) | Insulating heat-conducting silicone rubber composite material and preparation method thereof | |
| KR100751630B1 (en) | Electrically Conductive Flexible Composition, Methods of Making Same | |
| CN101747619B (en) | High performance emi/rfi shielding polymer composite and molded article therefrom | |
| JP5351043B2 (en) | Flame-retardant conductive pressure-sensitive adhesive material and method for producing the same | |
| EP3315559A1 (en) | Organic silicone resin aluminum base copper clad laminate and preparation method thereof | |
| CN102461362A (en) | Electromagnetic shielding article | |
| US20130148303A1 (en) | Adhesive, thermally conductive, electrical insulators | |
| CN101558696B (en) | Metal-integral conductive rubber | |
| CN109536078B (en) | Hot melt adhesive film preparation method of vehicle FFC wire rod and hot melt adhesive film thereof | |
| KR100808146B1 (en) | Compositions of thin conductive tape for EMI shielding, method thereof and products manufactured therefrom | |
| CN109912984A (en) | Composite co-extruding silica gel material and its manufactured conductive silicon adhesive tape | |
| CN106674784A (en) | Stretchable flexible conductive composite material as well as preparation method and application thereof | |
| CN102140186A (en) | Natural rubber composite with electromagnetic shielding property and preparation method thereof | |
| CN103496228B (en) | A kind of electromagnetic shielding structural conductive silicone rubber and preparation | |
| KR20170036721A (en) | Conductive material | |
| CN105315677B (en) | A kind of high-performance silicon-based shielding Heat Conduction Material and preparation method thereof | |
| CN112159647A (en) | Low-hardness and easy-rework single-component heat-conducting gel and preparation method thereof | |
| CN107027254B (en) | Compressible gasket, method of manufacturing the same, and electronic product including the same | |
| US6641930B2 (en) | Electrically conductive metal tape and plug connector | |
| CN106046798A (en) | Uniform-temperature heat-conducting silica gel piece | |
| CN107841142A (en) | A kind of soft conductive rubber and preparation method thereof | |
| US20030113531A1 (en) | Conductive fillers and conductive polymers made therefrom | |
| KR20160001790A (en) | Conductive Silicone Resin Composition and Gasket for Electromagnetic Interference Prepared Therefrom | |
| KR20040021299A (en) | EMI Shielding conductive rubber and the method for making it |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190621 |
|
| RJ01 | Rejection of invention patent application after publication |