CN106118046A - A kind of polymer nanocomposite composite electromagnetic shield materials and preparation method thereof - Google Patents
A kind of polymer nanocomposite composite electromagnetic shield materials and preparation method thereof Download PDFInfo
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- CN106118046A CN106118046A CN201610547269.0A CN201610547269A CN106118046A CN 106118046 A CN106118046 A CN 106118046A CN 201610547269 A CN201610547269 A CN 201610547269A CN 106118046 A CN106118046 A CN 106118046A
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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
- C08K7/00—Use of ingredients characterised by shape
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- 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
- C08K3/04—Carbon
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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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
- H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
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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
- C08K2201/011—Nanostructured 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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
Abstract
The invention discloses the preparation method of a kind of polymer nanocomposite composite electromagnetic shield materials, use iron chloride, greening ferrous iron, sodium hydroxide, organic surface active agent, Graphene, deionized water is by certain charge ratio premix, use electromagnetic mixer is uniformly mixed, sample is after stirring, Graphene/ferriferrous oxide nano composite electromagnetic screen the agent prepared after homogenizer carries out co-precipitation process, then mix with nylon66 fiber stirring and be blended, the composite of gained has electricity exactly, the polymer nanocomposite composite electromagnetic screen composite of magnetic compatibility feature；The electromagnetic shielding composite material of the present invention has higher electromagnetic shielding capability, high comprehensive performance, can be made into various electron conducting element, is with a wide range of applications in the industries such as electronic technology, communication and traffic.
Description
Technical field
The present invention relates to the formula of a kind of polymer nanocomposite composite electromagnetic shield materials with electricity, magnetic compatibility feature and add
Work preparation method, particularly relates to the compound type electromagnetic that a kind of Graphene ferroso-ferric oxide bielement nano composite electromagnetic screen agent is filled
The preparation for processing of shielding composite.
Background technology
Along with sharply increasing, especially of the high speed development of modern electronics industry and various commercialization and domestic electronic appliances quantity
It is electronic circuit and the miniaturization of element, integrated, lightweight and digitized, causes electronic product used in everyday easily by outward
Boundary's Electromagnetic Interference (Electromagnetic Interference is called for short EMI) and malfunction occurs, image obstacle and sound
Obstacle etc..Meanwhile, along with the information age arrives, the electromagnetic pollution caused due to electromagnetism place in human habitat is also got over
Coming the most serious, the healthy of the mankind in serious threat.It addition, be the needs adapting to modern war, EMI material such as absorbing material
Being widely used in weapon, after the Gulf War, absorbing material purposes militarily causes various countries to pay much attention to.Cause
This, solving electromagnetic pollution is a problem anxious to be resolved in modern protection works, develops and develop various high performance electromagnetism
Shielding material has become a key areas of current industrial quarters research.
At present, major part electromagnetic shielding material uses metal material, intrinsically conducting polymer and filled-type conducting polymer
Thing composite.Due to metallic conduction very excellent capacity, therefore there is the electromagnetic shielding energy of excellence, but metal proportion is more greatly and not
Anticorrosion, it is therefore desirable to solve this problem through extra process.Conducting polymer and filled conductive composites are combined
Material light weight and anticorrosion, but compared with metal, conductive capability is relatively low, and therefore its capability of electromagnetic shielding is the best.The present invention adopts
Graphene ferriferrous oxide nano compound system, there is plurality of advantages, as according to requirements come in a big way
Regulating its electrical property, magnetic property and other performances, chemical stability is preferable, with low cost, it is easy to molding and large-scale production etc.
Advantage, thus following a kind of modal electromagnetic shielding composite material can be become.Can be widely used in Electronic Packaging, electronics
The fields such as sensor and feds, temp auto-controlled heating element heater, detecting element.
Summary of the invention
For the technical problem of above-mentioned existence, it is an object of the invention to provide a kind of nano combined electromagnetic shielding agent and strengthen Buddhist nun
High electromagnetic shielding composite material of dragon and preparation method thereof, the preparation for many performances electromagnetic shielding polymer composites provides new
Thinking and new method, for grasp the electricity of Multifunctional electromagnetic shielding polymer composites, magnetic shield principle provide new theory and
Experimental basis.
The present invention mainly uses at present in the more advanced nano ferriferrous oxide graphene complex system of Material Field in situ
Technology of preparing, has the plurality of advantages such as safety is good, cost is relatively low, easily controllable, the solvent wherein used in preparation process
For water, and water is nature rich in natural resources, achieving environmental protection and energy saving.
The preparation method of the polymer nanocomposite composite electromagnetic shield materials that the present invention provides, its step is as follows:
1) before being blended, just iron chloride, ferrous chloride, deionized water electromagnetic agitation under 30 ° of C is uniform；
2) a certain amount of organic surface active agent and Graphene are joined sodium hydroxide solution, with electric blender stirring all
Even, reference operating conditions is: 90 ° of C of temperature, operating time 1h；
3) iron chloride, ferrous chloride mixed solution are added slowly in sodium hydroxide solution, high-speed stirred ageing 12h, make
React the most abundant；
4) reactant after ageing is filtered, and clean about 10 times with acetone, then filter, and place in vacuum drying oven
24h, reference operation temperature is 60 ° of C；Obtained precipitate is ferroso-ferric oxide graphene nanometer composite；
5) again the nano-complex obtained is premixed with nylon66 fiber, in 280 ° of C melt blending 5min after stirring, obtain this
Bright polymer nanocomposite composite electromagnetic shield materials, and machine-shaping according to actual needs.
The beneficial effects of the present invention is, receive by using chemical coprecipitation technique in situ to prepare ferroso-ferric oxide/Graphene
Nano composite material so that nano ferriferrous oxide is attached on nano graphite flakes, it is thus achieved that bielement nano compound system；Then with
Nylon66 fiber is blended the higher electromagnetic shielding polymer nanocomposites of system.
Compared with prior art, it is an advantage of the current invention that: by the nano graphite flakes of high conductivity and high paramagnetism
Nano ferriferrous oxide carries out complex technique, utilizes the electric conductivity of this compound system and magnetic loss mechanism to carry out electromagnetic radiation source
Shielding；Utilize this compound system plastic alloy interfacial structure and mutually in dispersion difference cause different electromagnetic consumable and effect
Mechanism obtain high-performance EMI conductive plastics；With conventional electromagnetic shielding material technology of preparing comparatively, have electricity, magnetic hold concurrently
The polymer nanocomposite composite electromagnetic shield materials preparation technology that the binary electromagnetic shielding compound system of capacitive is filled is simple, low cost
The advantage such as honest and clean, machining property is excellent and can be mass-produced, can be at Electronic Packaging, electronic sensor and feds etc.
Industry is with a wide range of applications.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings technical solution of the present invention is described further:
Accompanying drawing 1 is the schematic diagram of the preparation method of the polymer nanocomposite composite electromagnetic shield materials of the present invention.
Detailed description of the invention
The present invention is described below in conjunction with the accompanying drawings.
Patent of the present invention is intended to prepare a kind of novel polymer nanocomposite composite electromagnetic screen with electromagnetic compatibility characteristic
Material is premised on preserving the ecological environment, for the purpose of the electromagnetic shielding material preparing low-density, high electromagnetic shielding efficiency, logical
Cross a kind of novel original position chemical coprecipitation technique to prepare the nano composite system of electricity, magnetic characteristic, by regulation change Graphene with
The relative amount of nano ferriferrous oxide, can prepare and have the electromagnetic shielding polymer nanocomposite of different electromagnetic shielding efficiency again
Condensation material, to meet different commercial Application requirements.
As shown in Figure 1, the preparation method of a kind of polymer nanocomposite composite electromagnetic shield materials of the present invention, by chlorine
Change after ferrum, ferrous chloride, organic surface active agent, Graphene and sodium hydroxide solution are blended and stir and filter；Gained will be filtered
Composite nano materials and nylon66 fiber premix after, the material melts obtained is blended.
It specifically includes following multiple embodiment:
Embodiment 1
Before being blended, 1molFeCl2,1molFeCl3 and 100ml deionized water is stirred at room temperature 30min and obtains mixed solution；
The deionized water that 5mol sodium hydroxide, 50g Graphene and 0.1mol anion surfactant join 4900ml90 ° of C is stirred
Mix 30min and obtain uniform solution；Then FeCl2 and FeCl3 mixed solution is poured into sodium hydroxide solution lentamente to go forward side by side
Row high-speed stirred 1h terminates to reaction；Filter, clean and dry in the vacuum drying oven of 60 ° of C obtain after 24h ferroso-ferric oxide/
Graphene nano compound particle.By obtained ferroso-ferric oxide/graphene nano compound particle (5 parts) and PA66(95 part)
Banbury (Haake rheomix 600) is mixing, and its rotating speed is 60n/min, and banburying temperature is 280 DEG C, banburying time 2min；Will
Masterbatch after banburying pass through platen molding, preparing external diameter is 7mm, internal diameter be 3mm thickness be the standard annulus of 2mm, be used for
The electromagnetic parameter of test compound material.The electromagnetic shielding efficiency of the polymeter as electromagnetic shielding nano composite material that this example obtains is
25.57dB。
Embodiment 2
Before being blended, 1molFeCl2,1molFeCl3 and 100ml deionized water is stirred at room temperature 30min and obtains mixed solution；
The deionized water that 5mol sodium hydroxide, 70g Graphene and 0.1mol anion surfactant join 4900ml90 ° of C is stirred
Mix 30min and obtain uniform solution；Then FeCl2 and FeCl3 mixed solution is poured into sodium hydroxide solution lentamente to go forward side by side
Row high-speed stirred 1h terminates to reaction；Filter, clean and dry in the vacuum drying oven of 60 ° of C obtain after 24h ferroso-ferric oxide/
Graphene nano compound particle.By obtained ferroso-ferric oxide/graphene nano compound particle (5 parts) and PA66(95 part)
Banbury (Haake rheomix 600) is mixing, and its rotating speed is 60n/min, and banburying temperature is 280 DEG C, banburying time 2min；Will
Masterbatch after banburying pass through platen molding, preparing external diameter is 7mm, internal diameter be 3mm thickness be the standard annulus of 2mm, be used for
The electromagnetic parameter of test compound material.The electromagnetic shielding efficiency of the polymeter as electromagnetic shielding nano composite material that this example obtains is
29.24dB。
Embodiment 3
Before being blended, 1molFeCl2,1molFeCl3 and 100ml deionized water is stirred at room temperature 30min and obtains mixed solution；
The deionized water that 5mol sodium hydroxide, 100g Graphene and 0.1mol anion surfactant join 4900ml90 ° of C is stirred
Mix 30min and obtain uniform solution；Then FeCl2 and FeCl3 mixed solution is poured into sodium hydroxide solution lentamente to go forward side by side
Row high-speed stirred 1h terminates to reaction；Filter, clean and dry in the vacuum drying oven of 60 ° of C obtain after 24h ferroso-ferric oxide/
Graphene nano compound particle.By obtained ferroso-ferric oxide/graphene nano compound particle (5 parts) and PA66(95 part)
Banbury (Haake rheomix 600) is mixing, and its rotating speed is 60n/min, and banburying temperature is 280 DEG C, banburying time 2min；Will
Masterbatch after banburying pass through platen molding, preparing external diameter is 7mm, internal diameter be 3mm thickness be the standard annulus of 2mm, be used for
The electromagnetic parameter of test compound material.The electromagnetic shielding efficiency of the polymeter as electromagnetic shielding nano composite material that this example obtains is
36.71dB。
Embodiment 4
Before being blended, 1molFeCl2,1molFeCl3 and 100ml deionized water is stirred at room temperature 30min and obtains mixed solution；
The deionized water that 5mol sodium hydroxide, 175g Graphene and 0.1mol anion surfactant join 4900ml90 ° of C is stirred
Mix 30min and obtain uniform solution；Then FeCl2 and FeCl3 mixed solution is poured into sodium hydroxide solution lentamente to go forward side by side
Row high-speed stirred 1h terminates to reaction；Filter, clean and dry in the vacuum drying oven of 60 ° of C obtain after 24h ferroso-ferric oxide/
Graphene nano compound particle.By obtained ferroso-ferric oxide/graphene nano compound particle (5 parts) and PA66(95 part)
Banbury (Haake rheomix 600) is mixing, and its rotating speed is 60n/min, and banburying temperature is 280 DEG C, banburying time 2min；Will
Masterbatch after banburying pass through platen molding, preparing external diameter is 7mm, internal diameter be 3mm thickness be the standard annulus of 2mm, be used for
The electromagnetic parameter of test compound material.The electromagnetic shielding efficiency of the polymeter as electromagnetic shielding nano composite material that this example obtains is
40.37dB。
Embodiment 5
Before being blended, 1molFeCl2,1molFeCl3 and 100ml deionized water is stirred at room temperature 30min and obtains mixed solution；
The deionized water that 5mol sodium hydroxide, 250g Graphene and 0.1mol anion surfactant join 4900ml90 ° of C is stirred
Mix 30min and obtain uniform solution；Then FeCl2 and FeCl3 mixed solution is poured into sodium hydroxide solution lentamente to go forward side by side
Row high-speed stirred 1h terminates to reaction；Filter, clean and dry in the vacuum drying oven of 60 ° of C obtain after 24h ferroso-ferric oxide/
Graphene nano compound particle.By obtained ferroso-ferric oxide/graphene nano compound particle (5 parts) and PA66(95 part)
Banbury (Haake rheomix 600) is mixing, and its rotating speed is 60n/min, and banburying temperature is 280 DEG C, banburying time 2min；Will
Masterbatch after banburying pass through platen molding, preparing external diameter is 7mm, internal diameter be 3mm thickness be the standard annulus of 2mm, be used for
The electromagnetic parameter of test compound material.The electromagnetic shielding efficiency of the polymeter as electromagnetic shielding nano composite material that this example obtains is
48.5dB。
Embodiment 6
Before being blended, 1molFeCl2,1molFeCl3 and 100ml deionized water is stirred at room temperature 30min and obtains mixed solution；
The deionized water that 5mol sodium hydroxide, 300g Graphene and 0.1mol anion surfactant join 4900ml90 ° of C is stirred
Mix 30min and obtain uniform solution；Then FeCl2 and FeCl3 mixed solution is poured into sodium hydroxide solution lentamente to go forward side by side
Row high-speed stirred 1h terminates to reaction；Filter, clean and dry in the vacuum drying oven of 60 ° of C obtain after 24h ferroso-ferric oxide/
Graphene nano compound particle.By obtained ferroso-ferric oxide/graphene nano compound particle (5 parts) and PA66(95 part)
Banbury (Haake rheomix 600) is mixing, and its rotating speed is 60n/min, and banburying temperature is 280 DEG C, banburying time 2min；Will
Masterbatch after banburying pass through platen molding, preparing external diameter is 7mm, internal diameter be 3mm thickness be the standard annulus of 2mm, be used for
The electromagnetic parameter of test compound material.The electromagnetic shielding efficiency of the polymeter as electromagnetic shielding nano composite material that this example obtains is
55.67dB。
Embodiment 7
Before being blended, 1molFeCl2,1molFeCl3 and 100ml deionized water is stirred at room temperature 30min and obtains mixed solution；
The deionized water that 5mol sodium hydroxide, 350g Graphene and 0.1mol anion surfactant join 4900ml90 ° of C is stirred
Mix 30min and obtain uniform solution；Then FeCl2 and FeCl3 mixed solution is poured into sodium hydroxide solution lentamente to go forward side by side
Row high-speed stirred 1h terminates to reaction；Filter, clean and dry in the vacuum drying oven of 60 ° of C obtain after 24h ferroso-ferric oxide/
Graphene nano compound particle.By obtained ferroso-ferric oxide/graphene nano compound particle (5 parts) and PA66(95 part)
Banbury (Haake rheomix 600) is mixing, and its rotating speed is 60n/min, and banburying temperature is 280 DEG C, banburying time 2min；Will
Masterbatch after banburying pass through platen molding, preparing external diameter is 7mm, internal diameter be 3mm thickness be the standard annulus of 2mm, be used for
The electromagnetic parameter of test compound material.The electromagnetic shielding efficiency of the polymeter as electromagnetic shielding nano composite material that this example obtains is
60.13dB。
Embodiment 8
Before being blended, 1molFeCl2,1molFeCl3 and 100ml deionized water is stirred at room temperature 30min and obtains mixed solution；
The deionized water that 5mol sodium hydroxide, 700g Graphene and 0.1mol anion surfactant join 4900ml90 ° of C is stirred
Mix 30min and obtain uniform solution；Then FeCl2 and FeCl3 mixed solution is poured into sodium hydroxide solution lentamente to go forward side by side
Row high-speed stirred 1h terminates to reaction；Filter, clean and dry in the vacuum drying oven of 60 ° of C obtain after 24h ferroso-ferric oxide/
Graphene nano compound particle.By obtained ferroso-ferric oxide/graphene nano compound particle (5 parts) and PA66(95 part)
Banbury (Haake rheomix 600) is mixing, and its rotating speed is 60n/min, and banburying temperature is 280 DEG C, banburying time 2min；Will
Masterbatch after banburying pass through platen molding, preparing external diameter is 7mm, internal diameter be 3mm thickness be the standard annulus of 2mm, be used for
The electromagnetic parameter of test compound material.The electromagnetic shielding efficiency of the polymeter as electromagnetic shielding nano composite material that this example obtains is
53.36dB。
Embodiment 9
Before being blended, 1molFeCl2,1molFeCl3 and 100ml deionized water is stirred at room temperature 30min and obtains mixed solution；
5mol sodium hydroxide, 1000g Graphene and 0.1mol anion surfactant are joined the deionized water of 4900ml90 ° of C
Stirring 30min obtains uniform solution；Then FeCl2 and FeCl3 mixed solution is poured into sodium hydroxide solution also lentamente
Carry out high-speed stirred 1h to terminate to reaction；Filter, clean and obtain four oxidations three after drying 24h in the vacuum drying oven of 60 ° of C
Ferrum/graphene nano compound particle.By obtained ferroso-ferric oxide/graphene nano compound particle (5 parts) and PA66(95
Part) mixing at banbury (Haake rheomix 600), its rotating speed is 60n/min, and banburying temperature is 280 DEG C, the banburying time
2min；By the masterbatch after banburying by platen molding, preparing external diameter is 7mm, internal diameter be 3mm thickness be the standard round of 2mm
Ring, for the electromagnetic parameter of test compound material.The electromagnetic shielding of the polymeter as electromagnetic shielding nano composite material that this example obtains
Efficiency is 45.15dB.
The electromagnetic shielding polymer nanocomposites material proportion data of the various embodiments described above is shown in Table 1:
Table 1 electromagnetic shielding polymer nanocomposites material proportion data
Above-mentioned experimental data shows, the novel original position chemical coprecipitation technique of patent utilization of the present invention prepares that to have electricity, magnetic compatibility special
Property Graphene ferriferrous oxide nano composite particles filled polymer system, by changing Graphene and ferriferrous oxide nano
The relative amount of particle regulates the electromagnetic shielding efficiency value of this electromagnetic shielding polymer composites, and the patented product can be expired
The industrial application requirement that foot is different.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and is carried out, and can not limit the scope of the invention with this, all according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within the scope of the present invention.
Claims (4)
1. the preparation method of a polymer nanocomposite composite electromagnetic shield materials, it is characterised in that: by iron chloride, ferrous chloride,
Organic surface active agent, Graphene and sodium hydroxide solution filter after being blended and stirring；The composite nano materials of gained will be filtered
After premixing with nylon66 fiber, the material melts obtained is blended.
The preparation method of polymer nanocomposite composite electromagnetic shield materials the most according to claim 1, it is characterised in that: chlorination
Ferrum, ferrous chloride, organic surface active agent, Graphene are blended with sodium hydroxide solution and specifically comprise the steps of
1) iron chloride, ferrous chloride and deionized water are stirred at room temperature obtain mixed solution；
2) deionized water stirring sodium hydroxide, Graphene and organic surface active agent joined obtains uniform solution；
3) iron chloride and ferrous chloride mixed solution are poured into sodium hydroxide solution and carry out high-speed stirred to reaction terminate.
The preparation method of polymer nanocomposite composite electromagnetic shield materials the most according to claim 1 and 2, it is characterised in that:
After described iron chloride, ferrous chloride, organic surface active agent, Graphene and sodium hydroxide solution are blended and filter, in addition it is also necessary to
Clean with acetone, again filter after cleaning, and be placed in vacuum drying oven, obtain described composite nano materials.
4. the polymer nanocomposite composite electromagnetic shield materials that a preparation method as claimed in claim 1 prepares.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925630A (en) * | 2020-07-21 | 2020-11-13 | 浙江大学 | High-strength electromagnetic shielding and heat conducting PBT/PET nano composite material and preparation method thereof |
| CN113755007A (en) * | 2021-09-03 | 2021-12-07 | 惠州市良化新材料有限公司 | Nylon 6 composite material with electromagnetic shielding effect |
| CN114597002A (en) * | 2022-03-04 | 2022-06-07 | 广东新亚光电缆股份有限公司 | 485 line cable preparation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173189A (en) * | 2013-03-06 | 2013-06-26 | 西北工业大学 | Method for preparing reduced graphene oxide/ferroferric oxide nano-grade wave-absorbing materials |
| CN103980701A (en) * | 2014-05-31 | 2014-08-13 | 全椒祥瑞塑胶有限公司 | Electromagnetic shielding plastic |
-
2016
- 2016-07-13 CN CN201610547269.0A patent/CN106118046A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173189A (en) * | 2013-03-06 | 2013-06-26 | 西北工业大学 | Method for preparing reduced graphene oxide/ferroferric oxide nano-grade wave-absorbing materials |
| CN103980701A (en) * | 2014-05-31 | 2014-08-13 | 全椒祥瑞塑胶有限公司 | Electromagnetic shielding plastic |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925630A (en) * | 2020-07-21 | 2020-11-13 | 浙江大学 | High-strength electromagnetic shielding and heat conducting PBT/PET nano composite material and preparation method thereof |
| CN111925630B (en) * | 2020-07-21 | 2021-10-08 | 浙江大学 | High-strength electromagnetic shielding and heat conducting PBT/PET nano composite material and preparation method thereof |
| CN113755007A (en) * | 2021-09-03 | 2021-12-07 | 惠州市良化新材料有限公司 | Nylon 6 composite material with electromagnetic shielding effect |
| CN113755007B (en) * | 2021-09-03 | 2023-12-19 | 惠州市良化新材料有限公司 | Nylon 6 composite material with electromagnetic shielding effect |
| CN114597002A (en) * | 2022-03-04 | 2022-06-07 | 广东新亚光电缆股份有限公司 | 485 line cable preparation method |
| CN114597002B (en) * | 2022-03-04 | 2024-04-05 | 广东新亚光电缆股份有限公司 | 485 line cable preparation method |
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Application publication date: 20161116 |