CN110003845A - A kind of nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity and preparation method thereof - Google Patents
A kind of nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity and preparation method thereof Download PDFInfo
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- CN110003845A CN110003845A CN201910311253.3A CN201910311253A CN110003845A CN 110003845 A CN110003845 A CN 110003845A CN 201910311253 A CN201910311253 A CN 201910311253A CN 110003845 A CN110003845 A CN 110003845A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on 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; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
- C09J9/02—Electrically-conducting adhesives
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The present invention relates to electromangnetic spectrum fields, more particularly, to a kind of nickel bag graphite silicone resin electromagnetic shielding glue and preparation method thereof of high conductivity, glue composition includes the vinyl silicone oil that viscosity size is 4.8-5.2 ten thousand, viscosity size is the vinyl silicone oil of 2.7-3.1 ten thousand, viscosity size is the vinyl of 2.8-3.2 ten thousand, gas-phase silica, silazane, hydroxy silicon oil, distilled water, viscosity size is ten thousand vinyl silicone oil of 2-2.1, bonding agent, nickel coated graphite powder, platinum catalyst, inhibitor, containing hydrogen silicone oil, glue to obtain not uses traditional metallic shield, it can effectively avoid electromagnetic shielding effect that from gradually weakening；And each step, in strict accordance with material mixture ratio, the colloid that the control processing time makes has preferable elongation and tensile strength elasticity.
Description
Technical field
The present invention relates to electromangnetic spectrum fields, more particularly, to a kind of nickel bag graphite silicone resin electromagnetism of high conductivity
Shield glue and preparation method thereof.
Background technique
With the development of science and technology, various electronics become more and more popular in we live, however electronics is logical
News equipment also brings the interference of electromagnetic radiation while offering convenience to us, needs to shield electromagnetic radiation.Mesh
For the preceding conductive material for shielding electromagnetic radiation in the market mainly based on metal, this mode quality is big, not easy to be processed, at high cost,
And metal material is over time, and electromagnetic shielding effect can gradually weaken.Therefore, one kind is needed in industry can solve
State the electromagnetic shielding glue of problem.
Summary of the invention
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide the nickel of kind of high conductivity
Packet graphite silicon resin is electromagnetically shielded glue and preparation method thereof.
To achieve the above object, the present invention uses following scheme.
A kind of preparation method of the nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity, comprising the following steps:
Step a, taking 60-64 parts of viscosity sizes respectively is the vinyl silicone oil of 4.8-5.2 ten thousand, and 27-32 parts of viscosity sizes are
The vinyl that vinyl silicone oil and 9-10 part viscosity size of 7.8-8.2 ten thousand is 2.8-3.2 ten thousand is added kneader and stirs 5 minutes；
Step b, it will be stirred in kneader that 23-26 parts of gas-phase silicas are added portionwise in step a；
Step c, 1.4-1.6 parts of silazane, 0.7-0.9 parts of hydroxy silicon oils and 0.4-0.6 parts of distilled water are added；
Step d, it by the rubber master batch that obtains cold refining 2 hours at normal temperature after above-mentioned steps a- step c processing, then heats up
It is handled 3 hours to 160-170 DEG C, and will heat up that treated rubber master batch carries out vacuumizing stirring 1 hour；
Step e, above-mentioned rubber master batch 40-50 parts are taken respectively, and viscosity size is 14-16 parts, 3-4 parts of ten thousand vinyl silicone oil of 2-2.1
Bonding agent and 90-95 parts of nickel coated graphite powder, which are put into planetary mixer, to be stirred；Be then respectively adding 2-3 parts of platinum catalysts,
1-2 parts of inhibitor, 5-6 parts of containing hydrogen silicone oils simultaneously stir, and finally vacuumize half an hour acquisition finished product glue.
Preferably, 23-26 parts of gas-phase silicas are divided into 2-3 batches by the step b, a collection of gas-phase silica is added and stirs
It mixes and adds next group after five minutes, until the gas-phase silica of all batches is added and stirs completion.
Preferably, nickel coated graphite powder is put into before planetary mixer using concentrated alkaline solution carry out table in the step e
Face oil removal treatment 10-20 minutes, and cleaned, it filters stand-by.
Preferably, the inhibitor of the addition includes zinc sulfate, lime.
Preferably, the bonding agent includes that epoxy resin bonding agent, polyurethanes bonding agent, organic silicon are viscous
Connect agent.
A kind of nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity, comprising: viscosity size is the second of 4.8-5.2 ten thousand
Alkenyl silicone oil, viscosity size are the vinyl silicone oil of 2.7-3.1 ten thousand, viscosity size is the vinyl of 2.8-3.2 ten thousand, gas phase hard charcoal
Black, silazane, hydroxy silicon oil, distilled water, viscosity size are ten thousand vinyl silicone oil of 2-2.1, bonding agent, nickel coated graphite powder, platinum
Catalyst, inhibitor, containing hydrogen silicone oil.
Preferably, the viscosity size is 60-64 parts of vinyl silicone oil of 4.8-5.2 ten thousand；Viscosity size is 2.7-
27-32 parts of 3.1 ten thousand vinyl silicone oil；Viscosity size is 9-10 parts of vinyl of 2.8-3.2 ten thousand；23-26 parts of gas-phase silica；
1.4-1.6 parts of silazane；0.7-0.9 parts of hydroxy silicon oil；0.4-0.6 parts of distilled water, viscosity size are ten thousand vinyl silicone oil of 2-2.1
14-16 parts, 3-4 parts of bonding agent, 90-95 parts of nickel coated graphite powder, 2-3 parts of platinum catalyst, 1-2 parts of inhibitor, containing hydrogen silicone oil 5-6
Part.
Preferably, the inhibitor includes zinc sulfate, lime.
Preferably, the bonding agent includes epoxy resin bonding agent, polyurethanes bonding agent, organic silicon bonding
Agent.
Beneficial effects of the present invention: the nickel bag graphite silicone resin for providing a kind of high conductivity is electromagnetically shielded glue and its preparation
Method matches into the vinyl silicone oil of certain viscosity by the way that the vinyl silicone oil of different viscosities is taken different components, and adds
The vinyl stirring for entering some range of viscosities, is then successively added certain deal gas-phase silica, vinyl silicone oil, bonding agent with
And nickel coated graphite powder stirring, then be separately added into the platinum catalyst of certain component, inhibitor, containing hydrogen silicone oil and stir, finally take out
Vacuum half an hour obtains finished product glue, not uses traditional metallic shield with the glue that this is obtained, can effectively avoid electromagnetic screen
Covering effect can gradually weaken；And each step, in strict accordance with material mixture ratio, the colloid that the control processing time makes has
There are preferable elongation and tensile strength elasticity.
Specific embodiment
For the ease of the understanding of those skilled in the art, below with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
Embodiment 1
A kind of preparation method of the nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity, comprising the following steps:
Step a, taking 60-64 parts of viscosity sizes respectively is the vinyl silicone oil of 4.8-5.2 ten thousand, and 27-32 parts of viscosity sizes are
The vinyl that vinyl silicone oil and 9-10 part viscosity size of 7.8-8.2 ten thousand is 2.8-3.2 ten thousand is added kneader and stirs 5 minutes,
With the stringent control in level face of this raw material again, then by different viscosities proportion suitable viscosity is provided at certain viscosity, then controlled
Mixing time provides primary condition for the elongation and tensile strength elasticity of subsequent finished product.
Step b, it will be stirred in kneader that 23-26 parts of gas-phase silicas are added portionwise in step a；Gas-phase silica
Due to its partial size very little, have surface area big, superficial attractive forces are strong, and surface can be big, chemical purity is high, dispersion performance is good, thermal resistance,
The performance of resistance etc. increases stability, reinforcing, thickening property and the thixotropy of material with this.
Step c, 1.4-1.6 parts of silazane, 0.7-0.9 parts of hydroxy silicon oils and 0.4-0.6 parts of distilled water are added；Wherein distill
For water as solvent, silazane provides silazine link, and hydroxy silicon oil provides hydroxy functional group, and the colloid to prepare of the invention provides necessity
Ingredient.
Step d, by the rubber master batch that obtains cold refining 2 hours at normal temperature after above-mentioned steps a- step c processing, rubber master batch is small 2
When the cold refining time in can sufficiently fix, then be warming up to 160-170 DEG C processing 3 hours, provided adequately for subsequent step
Reaction condition, finally will heat up that treated, rubber master batch carries out vacuumizing stirring 1 hour.
Step e, above-mentioned rubber master batch 40-50 parts are taken respectively, and viscosity size is 14-16 parts, 3-4 parts of ten thousand vinyl silicone oil of 2-2.1
Bonding agent and 90-95 parts of nickel coated graphite powder, which are put into planetary mixer, to be stirred；Be then respectively adding 2-3 parts of platinum catalysts,
1-2 parts of inhibitor, 5-6 parts of containing hydrogen silicone oils simultaneously stir, and finally vacuumize half an hour acquisition finished product glue.Wherein nickel coated graphite powder is made
To adhere to raw material, and glue is formed after various participation reactive functionalities combine under the catalytic action of platinum catalyst and is coated on nickel
There is high conductivity and electro-magnetic screen function around packet graphite.
In the present embodiment, 23-26 parts of gas-phase silicas are divided into 2-3 batches by the step b, and a collection of gas-phase silica is added and stirs
It mixes and adds next group after five minutes, until the gas-phase silica of all batches is added and stirs completion, being so added portionwise can be stirred
It mixes sufficiently, preferably increases stability, reinforcing, thickening property and the thixotropy of material.
In the present embodiment, nickel coated graphite powder is put into before planetary mixer using concentrated alkaline solution carry out table in the step e
Face oil removal treatment 10-20 minutes, and cleaned, it filters for use, can effectively avoid the oily bring shadow on nickel coated graphite powder surface
It rings.
In the present embodiment, the inhibitor of the addition is various inhibitor common on the market, including but not limited to sulfuric acid
Zinc, lime, the bonding agent include epoxy resin bonding agent, polyurethanes bonding agent, organic silicon bonding agent.It can basis
Actual conditions are chosen, as long as can reach mentioned reagent respectively reaches inhibiting effect, bonding effect.
Embodiment 2
The present embodiment specifically with respect to parameter selection in embodiment 1, exists since above-mentioned material is controlled with when processing
Selection in certain range, different material mixture ratios and processing control is different, effect also can difference, but can reach this
Advantageous effect of the invention gives a preferred embodiment in the selection of parameter below, but is not limited to the selection of parameters described below, tool
Body are as follows:
Step a, taking 60 parts of viscosity sizes respectively is 50,000 vinyl silicone oil, the vinyl silicon that 30 parts of viscosity sizes are 80,000
The vinyl that oil and 10 parts of viscosity sizes are 30,000 is added kneader and stirs 5 minutes；
Step b, it will be stirred in kneader that 25 parts of gas-phase silicas are added portionwise in step a；
Step c, 1.5 parts of silazane, 0.8 part of hydroxy silicon oil and 0.5 part of distilled water is added；
Step d, it by the rubber master batch that obtains cold refining 2 hours at normal temperature after above-mentioned steps a- step c processing, then heats up
It is handled 3 hours to 165 DEG C, and will heat up that treated rubber master batch carries out vacuumizing stirring 1 hour；
Step e, 40 parts of above-mentioned rubber master batch is taken respectively, and viscosity size is 14 parts of 20,000 vinyl silicone oil, 3 parts of bonding agents and nickel
90 parts of packet graphite powder are put into planetary mixer and stir；Be then respectively adding 2 parts of platinum catalysts, 1 part of inhibitor, 5 parts it is hydrogeneous
Silicone oil simultaneously stirs, and finally vacuumizes half an hour acquisition finished product glue.
Remaining step and to reach corresponding effect similar to Example 1, does not make superfluous chat herein.
In addition, the present invention also provides a kind of nickel bag graphite silicone resin of high conductivity to be electromagnetically shielded glue, component includes:
Viscosity size is the vinyl silicone oil of 4.8-5.2 ten thousand, viscosity size is the vinyl silicone oil of 2.7-3.1 ten thousand, viscosity size is
Vinyl, gas-phase silica, the silazane of 2.8-3.2 ten thousand, hydroxy silicon oil, distilled water, viscosity size are ten thousand vinyl silicon of 2-2.1
Oil, bonding agent, nickel coated graphite powder, platinum catalyst, inhibitor, containing hydrogen silicone oil.
Wherein, the viscosity size is 60-64 parts of vinyl silicone oil of 4.8-5.2 ten thousand；Viscosity size is 2.7-3.1's ten thousand
27-32 parts of vinyl silicone oil；Viscosity size is 9-10 parts of vinyl of 2.8-3.2 ten thousand；23-26 parts of gas-phase silica；Silazane
1.4-1.6 part；0.7-0.9 parts of hydroxy silicon oil；0.4-0.6 parts of distilled water, viscosity size are ten thousand vinyl silicone oil 14-16 of 2-2.1
Part, 3-4 parts of bonding agent, 90-95 parts of nickel coated graphite powder, 2-3 parts of platinum catalyst, 1-2 parts of inhibitor, 5-6 parts of containing hydrogen silicone oil.
Preferably, the inhibitor includes zinc sulfate, lime；The bonding agent include epoxy resin bonding agent,
Polyurethanes bonding agent, organic silicon bonding agent.
Embodiment described above, only preferred embodiments of the invention, be not to limit practical range of the invention, therefore it is all according to
The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done, should be included in the present invention
Patent claim.
Claims (9)
1. a kind of preparation method of the nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity, which is characterized in that including following
Step:
Step a, taking 60-64 parts of viscosity sizes respectively is the vinyl silicone oil of 4.8-5.2 ten thousand, and 27-32 parts of viscosity sizes are 7.8-
The vinyl that 8.2 ten thousand vinyl silicone oil and 9-10 part viscosity size is 2.8-3.2 ten thousand is added kneader and stirs 5 minutes；
Step b, it will be stirred in kneader that 23-26 parts of gas-phase silicas are added portionwise in step a；
Step c, 1.4-1.6 parts of silazane, 0.7-0.9 parts of hydroxy silicon oils and 0.4-0.6 parts of distilled water are added；
Step d, it by the rubber master batch that obtains cold refining 2 hours at normal temperature after above-mentioned steps a- step c processing, is then warming up to
160-170 DEG C is handled 3 hours, and will heat up that treated rubber master batch carries out vacuumizing stirring 1 hour；
Step e, above-mentioned rubber master batch 40-50 parts are taken respectively, and viscosity size is 14-16 parts of ten thousand vinyl silicone oil of 2-2.1,3-4 parts of bondings
Agent and 90-95 parts of nickel coated graphite powder, which are put into planetary mixer, to be stirred；It is then respectively adding 2-3 parts of platinum catalysts, 1-2 parts
Inhibitor, 5-6 part containing hydrogen silicone oil simultaneously stir, and finally vacuumize half an hour acquisition finished product glue.
2. a kind of preparation method of the nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity according to claim 1,
It is characterized in that, 23-26 parts of gas-phase silicas are divided into 2-3 batches by the step b, a collection of gas-phase silica is added and stirs 5 minutes
After add next group, until the gas-phase silicas of all batches is added and stirs completion.
3. a kind of preparation method of the nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity according to claim 1,
It is characterized in that, nickel coated graphite powder is carried out at surface degreasing before being put into planetary mixer using concentrated alkaline solution in the step e
Reason 10-20 minutes, and cleaned, it filters stand-by.
4. a kind of preparation method of the nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity according to claim 1,
It is characterized in that, the inhibitor of the addition includes zinc sulfate, lime.
5. a kind of preparation method of the nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity according to claim 1,
It is characterized in that, the bonding agent includes epoxy resin bonding agent, polyurethanes bonding agent, organic silicon bonding agent.
6. a kind of nickel bag graphite silicone resin of high conductivity is electromagnetically shielded glue characterized by comprising viscosity size is 4.8-
5.2 ten thousand vinyl silicone oil, viscosity size are the vinyl silicone oil of 2.7-3.1 ten thousand, the ethylene that viscosity size is 2.8-3.2 ten thousand
Base, gas-phase silica, silazane, hydroxy silicon oil, distilled water, viscosity size are ten thousand vinyl silicone oil of 2-2.1, bonding agent, nickel packet
Graphite powder, platinum catalyst, inhibitor, containing hydrogen silicone oil.
7. a kind of nickel bag graphite silicone resin of high conductivity according to claim 6 is electromagnetically shielded glue, which is characterized in that
The viscosity size is 60-64 parts of vinyl silicone oil of 4.8-5.2 ten thousand；Viscosity size is the vinyl silicone oil 27- of 2.7-3.1 ten thousand
32 parts；Viscosity size is 9-10 parts of vinyl of 2.8-3.2 ten thousand；23-26 parts of gas-phase silica；1.4-1.6 parts of silazane；Hydroxyl
0.7-0.9 parts of silicone oil；0.4-0.6 parts of distilled water, viscosity size be 14-16 parts of ten thousand vinyl silicone oil of 2-2.1,3-4 parts of bonding agent,
90-95 parts of nickel coated graphite powder, 2-3 parts of platinum catalyst, 1-2 parts of inhibitor, 5-6 parts of containing hydrogen silicone oil.
8. a kind of nickel bag graphite silicone resin of high conductivity according to claim 6 is electromagnetically shielded glue, which is characterized in that
The inhibitor includes zinc sulfate, lime.
9. a kind of nickel bag graphite silicone resin of high conductivity according to claim 6 is electromagnetically shielded glue, which is characterized in that
The bonding agent includes epoxy resin bonding agent, polyurethanes bonding agent, organic silicon bonding agent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910311253.3A CN110003845A (en) | 2019-04-17 | 2019-04-17 | A kind of nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity and preparation method thereof |
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| CN201910311253.3A CN110003845A (en) | 2019-04-17 | 2019-04-17 | A kind of nickel bag graphite silicone resin electromagnetic shielding glue of high conductivity and preparation method thereof |
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Cited By (2)
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| CN112898945A (en) * | 2021-02-02 | 2021-06-04 | 深圳市星河达科技有限公司 | Bi-component conductive silica gel and preparation method and application thereof |
| CN114700490A (en) * | 2022-03-15 | 2022-07-05 | 东北大学 | Preparation method of nickel-coated graphite composite particles and application of nickel-coated graphite composite particles in electromagnetic shielding field |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112898945A (en) * | 2021-02-02 | 2021-06-04 | 深圳市星河达科技有限公司 | Bi-component conductive silica gel and preparation method and application thereof |
| CN114700490A (en) * | 2022-03-15 | 2022-07-05 | 东北大学 | Preparation method of nickel-coated graphite composite particles and application of nickel-coated graphite composite particles in electromagnetic shielding field |
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Application publication date: 20190712 |
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