CN106589949A - Conductive rubber and preparation method thereof - Google Patents
Conductive rubber and preparation method thereof Download PDFInfo
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- CN106589949A CN106589949A CN201710107416.7A CN201710107416A CN106589949A CN 106589949 A CN106589949 A CN 106589949A CN 201710107416 A CN201710107416 A CN 201710107416A CN 106589949 A CN106589949 A CN 106589949A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
Abstract
The invention relates to a kind of conductive rubber and a preparation method thereof. The conductive rubber comprises, by weight, 100 parts of silicon rubber, 20-25 parts of aluminum-coated glass fiber, 10-15 parts of conductive graphite, 6-8 parts of polyethylene glycol, 4-5 parts of accelerator, 4-5 parts of vulcanizing agent and 3-4 parts of antiager. According to the conductive rubber, the aluminum-coated glass fiber is used as conductive filler; the conductive rubber is low in density relative to metal materials; the electroconductivity of the conductive rubber can be guaranteed; the material cost is lowered; and the conductive rubber is suitable for static electricity resisting and electromagnetic shielding in general situations.
Description
Technical field
The present invention relates to a kind of rubber and preparation method thereof, more particularly to a kind of conductive rubber and preparation method thereof.
Background technology
Rubber is the strong flexible polymer material with reversible deformation, high resilience at room temperature, in the outer masterpiece of very little
Can be produced compared with large deformation with lower, remove resilient after external force, due to rubber have it is very strong heat-resisting, water-fast, corrosion-resistant, resistance to
The characteristic of the aspect such as aging, so being widely used in the every field of human lives.
With the fast development of electronics industry and information technology, the electromagnetic interference, electrostatic problem between electronic product is increasingly
Substantially, the daily life and industrial and agricultural production for having given people brings very big impact, how effectively to reduce between electronic product
Electromagnetic interference, electrostatic the problems such as become scholars research focus.
Conductive rubber composite material is with its good electric conductivity, ductility, elasticity, the corrosion of environmental sealing and media-resistant
Property, it is widely applied in electromagnetic shielding field.Such material gives which by adding conductive filler in rubber matrix
Conducting function.Conductive filler is broadly divided into two class of carbon system and metal system, carbon-based material such as white carbon black, graphite etc., in electric conductivity side
Face is barely satisfactory；Metal based material is usually the metal of high conductivity and high magnetic permeability, such as argentum powder, nikel powder, copper powder etc., due to height
High price and density reasons so as to which application is restricted.
The content of the invention
Present invention is primarily targeted at, there is provided a kind of new conductive rubber and preparation method thereof, skill to be solved
Art problem is to make its good conductivity, density low, thus more suitable for practicality.
The object of the invention to solve the technical problems employs the following technical solutions to realize.According to present invention proposition
A kind of conductive rubber, its weight contains following components：
Silicone rubber：100 parts；
Aluminium-coated glass-fibre：20-25 parts；
Electrically conductive graphite：10-15 parts；
Polyethylene Glycol：6-8 parts；
Accelerator：4-5 parts；
Vulcanizing agent：4-5 parts；
Antiaging agent：3-4 parts.
The object of the invention to solve the technical problems can also be applied to the following technical measures to achieve further.
Preferably, aforesaid conductive rubber, wherein described accelerator is dibenzothiazyl disulfide.
Preferably, aforesaid conductive rubber, wherein described vulcanizing agent is benzoyl peroxide.
Preferably, aforesaid conductive rubber, wherein described antiaging agent is styrenated phenol.
Preferably, aforesaid conductive rubber, wherein the tensile strength of described conductive rubber is 17.3-20.1MPa, volume
Resistivity is 21.6-36.5 Ω cm.
The object of the invention to solve the technical problems is realized also using following technical scheme.According to present invention proposition
A kind of conductive rubber preparation method, which includes：
1) silicone rubber, aluminium-coated glass-fibre, electrically conductive graphite, Polyethylene Glycol, accelerator, vulcanizing agent and antiaging agent are placed in
Stand after kneading in mill, obtain mixture；
2) mixture is placed in into compression molding agent compacting sheet material, obtains conductive rubber；
Wherein, the weight of conductive rubber contains following components：
Silicone rubber：100 parts；
Aluminium-coated glass-fibre：20-25 parts；
Electrically conductive graphite：10-15 parts；
Polyethylene Glycol：6-8 parts；
Accelerator：4-5 parts；
Vulcanizing agent：4-5 parts；
Antiaging agent：3-4 parts.
The object of the invention to solve the technical problems can also be applied to the following technical measures to achieve further.
Preferably, the preparation method of aforesaid conductive rubber, wherein described melting temperature is 105-115 DEG C, during mixing
Between be 15-20min.
Preferably, the preparation method of aforesaid conductive rubber, wherein the die plate temperature of described compression molding agent is 145-
155 DEG C, molding pressure is 0.4-0.5MPa, and clamp time is 8-15min.
Preferably, the preparation method of aforesaid conductive rubber, wherein described accelerator is dibenzothiazyl disulfide；Institute
The vulcanizing agent stated is benzoyl peroxide；Described antiaging agent is styrenated phenol.
By above-mentioned technical proposal, conductive rubber of the present invention and preparation method thereof at least has following advantages：From aluminizing
Glass fibre is as conductive filler, low relative to metal based material density, and ensure that conductive rubber electric conductivity, reduces raw material
Cost, the tensile strength of conductive rubber is 17.3-20.1MPa, and specific insulation is 21.6-36.5 Ω cm, it is adaptable to anti-quiet
Electricity and general occasion electromagnetic shielding.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, described in detail as after with presently preferred embodiments of the present invention below.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Preferred embodiment, to according to conductive rubber proposed by the present invention and preparation method thereof its specific embodiment, structure, feature and its
Effect, describes in detail as after.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same enforcement
Example.Additionally, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
A kind of conductive rubber that one embodiment of the present of invention is proposed, its weight contain following components：
Silicone rubber：100 parts；
Aluminium-coated glass-fibre：20-25 parts；Aluminium-coated glass-fibre aluminium-coated glass-fibre as conductive filler, relative to metal
Based material density is low, and ensure that conductive rubber electric conductivity；
Electrically conductive graphite：10-15 parts；
Polyethylene Glycol：6-8 parts；The acidity in mixture can be neutralized, accelerates curingprocess rate and crosslink density；
Accelerator：4-5 parts；Preferably dibenzothiazyl disulfide；
Vulcanizing agent：4-5 parts；Preferably benzoyl peroxide；
Antiaging agent：3-4 parts；Preferably styrenated phenol.
The tensile strength of described conductive rubber is 17.3-20.1MPa, and specific insulation is 21.6-36.5 Ω cm.
As shown in table 1, embodiment 1-5 is conductive for a kind of components by weight percent of conductive rubber that one embodiment of the present of invention is proposed
The tensile strength and specific insulation of rubber is as shown in table 2.
The components by weight percent of 1 conductive rubber of table
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Silicone rubber | 100 | 100 | 100 | 100 | 100 |
| Aluminium-coated glass-fibre | 20 | 25 | 20 | 25 | 23 |
| Electrically conductive graphite | 10 | 10 | 15 | 15 | 13 |
| Polyethylene Glycol | 7 | 6 | 8 | 7 | 7 |
| Accelerator | 4 | 5 | 5 | 4 | 5 |
| Vulcanizing agent | 4 | 4 | 5 | 5 | 4 |
| Antiaging agent | 3 | 3 | 4 | 4 | 4 |
The tensile strength and specific insulation of 2 conductive rubber of table
Another embodiment of the present invention proposes a kind of preparation method of conductive rubber, and which includes：
1) silicone rubber, aluminium-coated glass-fibre, electrically conductive graphite, Polyethylene Glycol, accelerator, vulcanizing agent and antiaging agent are placed in
4h is stood after 105-115 DEG C of mixing 15-20min in mill, mixture is obtained；
2) mixture is placed in into compression molding agent compacting sheet material, obtains conductive rubber；Wherein die plate temperature is 145-
155 DEG C, molding pressure is 0.4-0.5MPa, and clamp time is 8-15min.
Wherein, the weight of conductive rubber contains following components：
Silicone rubber：100 parts；
Aluminium-coated glass-fibre：20-25 parts；
Electrically conductive graphite：10-15 parts；
Polyethylene Glycol：6-8 parts；
Accelerator：4-5 parts；
Vulcanizing agent：4-5 parts；
Antiaging agent：3-4 parts.
Another embodiment of the present invention proposes a kind of preparation method of conductive rubber, the preparation parameter such as table 3 of embodiment 1-5
It is shown.
The preparation parameter of 3 conductive rubber of table
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | |
| Melting temperature (DEG C) | 110 | 105 | 115 | 110 | 110 |
| Mixing time (min) | 20 | 15 | 18 | 15 | 18 |
| Die plate temperature (DEG C) | 150 | 145 | 155 | 150 | 155 |
| Molding pressure (MPa) | 0.4 | 0.5 | 0.4 | 0.5 | 0.5 |
| Clamp time (min) | 8 | 15 | 10 | 10 | 10 |
The above, is only presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention, according to
According to any simple modification, equivalent variations and modification that the technical spirit of the present invention is made to above example, this is still fallen within
In the range of bright technical scheme.
Claims (9)
1. a kind of conductive rubber, it is characterised in that its weight contains following components：
Silicone rubber：100 parts；
Aluminium-coated glass-fibre：20-25 parts；
Electrically conductive graphite：10-15 parts；
Polyethylene Glycol：6-8 parts；
Accelerator：4-5 parts；
Vulcanizing agent：4-5 parts；
Antiaging agent：3-4 parts.
2. conductive rubber according to claim 1, it is characterised in that described accelerator is dibenzothiazyl disulfide.
3. conductive rubber according to claim 1, it is characterised in that described vulcanizing agent is benzoyl peroxide.
4. conductive rubber according to claim 1, it is characterised in that described antiaging agent is styrenated phenol.
5. conductive rubber according to claim 1, it is characterised in that the tensile strength of described conductive rubber is 17.3-
20.1MPa, specific insulation are 21.6-36.5 Ω cm.
6. a kind of preparation method of conductive rubber, it is characterised in which includes：
1) silicone rubber, aluminium-coated glass-fibre, electrically conductive graphite, Polyethylene Glycol, accelerator, vulcanizing agent and antiaging agent are placed in into mill
Stand after kneading in machine, obtain mixture；
2) mixture is placed in into compression molding agent compacting sheet material, obtains conductive rubber；
Wherein, the weight of conductive rubber contains following components：
Silicone rubber：100 parts；
Aluminium-coated glass-fibre：20-25 parts；
Electrically conductive graphite：10-15 parts；
Polyethylene Glycol：6-8 parts；
Accelerator：4-5 parts；
Vulcanizing agent：4-5 parts；
Antiaging agent：3-4 parts.
7. the preparation method of conductive rubber according to claim 6, it is characterised in that described melting temperature is 105-
115 DEG C, mixing time is 15-20min.
8. the preparation method of conductive rubber according to claim 6, it is characterised in that the template of described compression molding agent
Temperature is 145-155 DEG C, and molding pressure is 0.4-0.5MPa, and clamp time is 8-15min.
9. the preparation method of conductive rubber according to claim 6, it is characterised in that described accelerator is curing two
Benzothiazole；Described vulcanizing agent is benzoyl peroxide；Described antiaging agent is styrenated phenol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710107416.7A CN106589949A (en) | 2017-02-27 | 2017-02-27 | Conductive rubber and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107416.7A CN106589949A (en) | 2017-02-27 | 2017-02-27 | Conductive rubber and preparation method thereof |
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| CN106589949A true CN106589949A (en) | 2017-04-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312337A (en) * | 2017-08-02 | 2017-11-03 | 合肥东恒锐电子科技有限公司 | A kind of anti-aging conductive rubber and preparation method thereof |
| CN107325416A (en) * | 2017-08-24 | 2017-11-07 | 芜湖凯奥尔环保科技有限公司 | A kind of conductive composite rubber and preparation method thereof |
| CN109535931A (en) * | 2018-11-19 | 2019-03-29 | 福州皇家地坪有限公司 | Water-base epoxy antistatic floor material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312337A (en) * | 2017-08-02 | 2017-11-03 | 合肥东恒锐电子科技有限公司 | A kind of anti-aging conductive rubber and preparation method thereof |
| CN107325416A (en) * | 2017-08-24 | 2017-11-07 | 芜湖凯奥尔环保科技有限公司 | A kind of conductive composite rubber and preparation method thereof |
| CN109535931A (en) * | 2018-11-19 | 2019-03-29 | 福州皇家地坪有限公司 | Water-base epoxy antistatic floor material |
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Application publication date: 20170426 |