CN108312680A - A kind of lamination high property superthin electromagnetic wave shield film and preparation method thereof - Google Patents
A kind of lamination high property superthin electromagnetic wave shield film and preparation method thereof Download PDFInfo
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- CN108312680A CN108312680A CN201810257350.4A CN201810257350A CN108312680A CN 108312680 A CN108312680 A CN 108312680A CN 201810257350 A CN201810257350 A CN 201810257350A CN 108312680 A CN108312680 A CN 108312680A
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- carbon fiber
- porous carbon
- felt
- nickel plating
- shielding
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- 238000003475 lamination Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 71
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 52
- 239000004917 carbon fiber Substances 0.000 claims abstract description 52
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 36
- 238000007747 plating Methods 0.000 claims abstract description 36
- 238000007731 hot pressing Methods 0.000 claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 13
- -1 polyethylene Polymers 0.000 claims abstract description 6
- 239000004698 Polyethylene Substances 0.000 claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 claims abstract description 5
- 206010070834 Sensitisation Diseases 0.000 claims description 8
- 230000008313 sensitization Effects 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229920006289 polycarbonate film Polymers 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 abstract description 2
- 239000003963 antioxidant agent Substances 0.000 abstract description 2
- 230000003078 antioxidant effect Effects 0.000 abstract description 2
- 235000006708 antioxidants Nutrition 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 229920001155 polypropylene Polymers 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1646—Characteristics of the product obtained
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
- C23C18/28—Sensitising or activating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/14—Mixture of at least two fibres made of different materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/212—Electromagnetic interference shielding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of lamination high property superthin electromagnetic wave shield films and preparation method thereof.Carpet veneer is shielded including two layers of resin insulating film and nickel plating porous carbon fiber；Nickel plating porous carbon fiber shielding carpet veneer is sandwiched between two layers of resin insulating film；Wherein porous carbon fiber shielding felt is formed by the hot pressing of manufacturing paper with pulp of carbon fiber and polyethylene/polypropylene fiber, sandwich is constituted via being sandwiched in after nickel plating between two layers of resin insulating film, by adjusting the controllability, it can be achieved that shielding properties to sandwich porous carbon fiber felt nickel plating technology.Thickness of the present invention has excellent flexibility, 50 80dB of shield effectiveness, 180 360S/cm of conductivity, 50 60MPa of tensile strength at 310 μm or so.Above-mentioned solution provided by the invention, solves existing electromagnetic shielding material, it is difficult to have both high-performance, flexible, ultra-thin the problem of being provided simultaneously with preferable mechanical performance.In addition the present invention is also equipped with excellent anti-oxidant and corrosion resistance.In aerospace, the fields such as wearable electronic have extensive use.
Description
Technical field
The present invention relates to flexible material and electronic communications etc. to need electromagnetic protection technical field more particularly to a kind of lamination super
Thin High Performance Shielding film and preparation method thereof.
Background technology
In recent years, the electronic equipments such as such as wireless network, personal computer and portable electronic device fast development and
Extensive use has resulted in some serious electromagnetic interference problems.These are with higher power, smaller szie and faster behaviour
The electromagnetic wave for making the electronic equipment transmitting of speed, not only interferes the normal operating of nearby device and system, but also may be to people
Class causes serious health risk.Also, with aerospace, the development of flexible electronic and wearable device is ultra-thin, it is light and
Flexibility is increasingly becoming the shielding key technology requirement of electromagnetic shielding.
Currently, foamed material and non-woven material are as common flexible electromagnetic shielding material.But their shielding
Can be poor, while mechanical strength also can not meet the requirement in most of fields；In addition after these material surfaces plate metal, gold
Belong to coating stability less than guarantee.These disadvantages seriously limit foamed material and non-woven material aerospace hair
The practical application in exhibition and the fields such as flexible electronic and wearable device.Therefore it is badly in need of one kind and has both light-weight, flexibility, it is ultra-thin,
Mechanical strength gets well and has the novel protective material of excellent electromagnetic interference shield efficiency.
Invention content
The shortcomings that it is an object of the invention to overcome the above-mentioned prior art and deficiency provide a kind of lamination high property superthin electricity
Magnetic screen film and preparation method thereof solves existing field electromagnetic shielding material, it is difficult to high-performance is had both, it is flexible, and it is ultra-thin, compared with
The problem of good mechanical performance.
The present invention is achieved through the following technical solutions：
A kind of lamination high property superthin electromagnetic wave shield film, including two layers of resin insulating film 1 and nickel plating porous carbon fiber screen
Cover carpet veneer 2；The nickel plating porous carbon fiber shielding carpet veneer 2 is sandwiched between two layers of resin insulating film 1.
The material of the two layers of resin insulating film 1 is polyethylene or polycarbonate film.
The present invention is laminated the preparation method of high property superthin electromagnetic wave shield film, includes the following steps：
Step (1)：Carbon fibre tow and ES fibre bundles are cut into 6mm length with fibre chopping machine, according to required
Chopped ES fibers and chopped carbon fiber are put into dispersion liquid by fibrofelt surface density to be disperseed, mixes, with 600~700rpm speed
4~5min is stirred, 4~5min is stood；Felt is manufactured paper with pulp by paper machine later, and is put into thermostatic drying chamber with 60~80 DEG C of temperature
Degree 30~45min of drying obtains preforming porous carbon fiber shielding felt；
Step (2)：The preforming porous carbon fiber dried shielding felt is put into hot pressing in vulcanizing press, formation has
Porous carbon fiber shield felt；Hot pressing time is 10~15min, 150~180 DEG C of hot pressing temperature, 3~6MPa of hot pressing pressure；
Step (3)：Porous carbon fiber shielding felt is put into sensitized solution 5min, activated solution 10min carries out sensitization activation,
Porous carbon fiber shielding felt after sensitization is activated again is put into 10~40min of nickel plating in chemical nickel-plating solution；It is put after nickel plating
Enter in vacuum dryer and dried 2 hours with 30 DEG C, obtains nickel plating porous carbon fiber shielding carpet veneer 2；
Step (4)：Between prepared nickel plating porous carbon fiber shielding carpet veneer 2 is sandwiched in two layers of resin insulating film 2, lamination
Form high property superthin electromagnetic wave shield film.
Preforming porous carbon fiber described in above-mentioned steps (1) and step (2) shields felt, for ES fiber-ES fibers
The porous fibre felt of hot pressing node and ES fiber and carbon fiber hot pressing nodes.
Hot pressing described in above-mentioned steps (2), preforming porous carbon fiber shielding felt will be sandwiched in two layers of processing release paper before hot pressing
Between.
Nickel plating described in above-mentioned steps (3) refers to, directly whole through sensitization plays work by preforming porous carbon fiber shielding felt
Change and chemical nickel plating.
The design parameter being laminated described in above-mentioned steps (4) is：10~15min of time, 180~190 DEG C, pressure 1~
2MPa。
The present invention compared with the existing technology, has the following advantages and effect：
1) the porous carbon fiber felt that the present invention is prepared using hot pressing two-step method of manufacturing paper with pulp, fiber are laminated to form sinter
Point contributes to the internal structure in overall chemical nickel plating not to be destroyed, and improves efficiency and quality.Shield effectiveness is compared first to plate in the past
The technique manufactured paper with pulp after nickel has large increase.
2) lamination is used, between nickel plating porous carbon fiber shielding felt is sandwiched in two layers of insulating resin film, is had excellent
Flexibility, ultra-thin, light feature is also equipped with excellent capability of electromagnetic shielding simultaneously.
3) lamination is used, by nickel layer protection between two layers of resin insulating film, improves the reusability of film.
4) technical measure is simple and easy to do, easy to utilize.
Description of the drawings
Fig. 1 is the structural schematic diagram of present invention lamination high property superthin electromagnetic wave shield film.
Fig. 2 is the SEM figures that nickel plating porous carbon fiber of the present invention shields felt.
Digital number shown in Fig. 2 respectively represents：3- chopped carbon fibers；The chopped ES fibers of 4-；5- nickel coatings.
Specific implementation mode
The present invention is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in Figs. 1-2.The invention discloses a kind of lamination high property superthin electromagnetic wave shield film, including two layers of resin are exhausted
Velum 1 and nickel plating porous carbon fiber shield carpet veneer 2；The nickel plating porous carbon fiber shielding carpet veneer 2 is sandwiched in two layers of resin insulating film 1
Between.
The material of the two layers of resin insulating film 1 is polyethylene or polycarbonate film.
Carbon fiber, polyethylene, polypropylene fibre (ES fibers) hot pressing of manufacturing paper with pulp can be used in nickel plating porous carbon fiber shielding carpet veneer 2
It forms, is fixed by hot pressing node, via hot pressing after nickel plating between two layers of resin insulating film 1, constitute sandwich.
The present invention is laminated the preparation method of high property superthin electromagnetic wave shield film, can be achieved by the steps of：
(1) carbon fibre tow and ES fibre bundles are cut into 6mm length with fibre chopping machine, according to required fibrofelt
A certain proportion of chopped ES fibers and chopped carbon fiber are put into dispersion liquid by surface density to be disperseed, mixes, and is stirred with 700rpm speed
5min is mixed, 5min is stood；Felt is manufactured paper with pulp by paper machine later, and is put into thermostatic drying chamber and dries 30min with 80 DEG C of temperature.
(2) by the preforming porous carbon fiber dried shielding felt be put into hot pressing in vulcanizing press, formed have it is more
Hole carbon fiber shielding felt.Hot pressing time is 10min, 180 DEG C of hot pressing temperature, hot pressing pressure 6MPa.
(3) porous carbon fiber shielding felt is put into sensitized solution 5min, activated solution 10min carries out sensitization activation.Afterwards will
Porous carbon fiber shielding felt after sensitization activation is put into nickel plating 40min in chemical nickel-plating solution.Vacuum baking is put into after nickel plating
In dry machine nickel plating porous carbon fiber shielding felt (2) is obtained within 2 hours with 30 DEG C of drying.
(4) between prepared nickel plating porous carbon fiber shielding felt being sandwiched in two layers of insulating resin film (1), lamination forms super
Thin High Performance Shielding film (3).
Above-mentioned steps (1), preforming porous carbon fiber described in (2) shields felt, for ES fiber-ES fiber sinters
The porous fibre felt of point and ES fiber and carbon fiber hot pressing nodes.
Hot pressing described in above-mentioned steps (2) refers to that preforming porous carbon fiber shielding felt will be sandwiched in two layers of demoulding before hot pressing
Among paper (PBT or PET).
The flow of nickel plating described in above-mentioned steps (3) is：It is directly whole through allergy by preforming porous carbon fiber shielding felt
Change activation and chemical nickel plating.
The specific process parameter being laminated described in above-mentioned steps (4) is：Time 10min, 185 DEG C of temperature, pressure 2MPa.
Thickness of the present invention at 310 μm or so, have excellent flexibility, shield effectiveness 50-80dB, conductivity 180-360S/cm,
Tensile strength 50-60MPa.The present invention is also equipped with excellent anti-oxidant and corrosion resistance.In aerospace, wearable electronic is set
It is standby to wait fields that there is extensive use.
As described above, the present invention can be better realized.
Embodiment of the present invention are not limited by the above embodiments, other any Spirit Essences without departing from the present invention
With under principle made by changes, modifications, substitutions, combinations, simplifications, should be equivalent substitute mode, be included in the present invention
Within protection domain.
Claims (7)
1. a kind of lamination high property superthin electromagnetic wave shield film, it is characterised in that：It is more including two layers of resin insulating film (1) and nickel plating
Hole carbon fiber shielding carpet veneer (2)；The nickel plating porous carbon fiber shielding carpet veneer (2) is sandwiched between two layers of resin insulating film (1).
2. being laminated high property superthin electromagnetic wave shield film according to claim 1, it is characterised in that：The two layers of resin insulation
The material of film (1) is polyethylene or polycarbonate film.
3. being laminated the preparation method of high property superthin electromagnetic wave shield film described in claim 2, it is characterised in that including walking as follows
Suddenly：
Step (1)：Carbon fibre tow and ES fibre bundles are cut into 6mm length with fibre chopping machine, according to required fiber
Chopped ES fibers and chopped carbon fiber are put into dispersion liquid by felt surface density to be disperseed, mixes, to be stirred with 600~700rpm speed
4~5min stands 4~5min；Felt is manufactured paper with pulp by paper machine later, and is put into thermostatic drying chamber and is dried with 60~80 DEG C of temperature
Dry 30~45min obtains preforming porous carbon fiber shielding felt；
Step (2)：By the preforming porous carbon fiber dried shielding felt be put into hot pressing in vulcanizing press, formed have it is more
Hole carbon fiber shielding felt；Hot pressing time is 10~15min, 150~180 DEG C of hot pressing temperature, 3~6MPa of hot pressing pressure；
Step (3)：Porous carbon fiber shielding felt is put into sensitized solution 5min, activated solution 10min carries out sensitization activation, then will
Porous carbon fiber shielding felt after sensitization activation is put into 10~40min of nickel plating in chemical nickel-plating solution；It is put into after nickel plating true
It is dried 2 hours with 30 DEG C in empty dryer, obtains nickel plating porous carbon fiber shielding carpet veneer (2)；
Step (4)：Between prepared nickel plating porous carbon fiber shielding carpet veneer (2) is sandwiched in two layers of resin insulating film (1), lamination
Form high property superthin electromagnetic wave shield film.
4. being laminated the preparation method of high property superthin electromagnetic wave shield film according to claim 3, it is characterised in that：Step
(1) and preforming porous carbon fiber described in step (2) shields felt, is fine with ES fiber-ES fiber hot pressing nodes and ES
The porous fibre felt of dimension-carbon fiber hot pressing node.
5. being laminated the preparation method of high property superthin electromagnetic wave shield film according to claim 3, it is characterised in that：Step
(2) hot pressing described in, preforming porous carbon fiber shielding felt will be sandwiched among two layers of processing release paper before hot pressing.
6. being laminated the preparation method of high property superthin electromagnetic wave shield film according to claim 3, it is characterised in that：Step
(3) nickel plating described in refers to, directly whole through sensitization plays activation and chemical nickel plating by preforming porous carbon fiber shielding felt.
7. being laminated the preparation method of high property superthin electromagnetic wave shield film according to claim 3, it is characterised in that：Step
(4) design parameter being laminated described in is：10~15min of time, 180~190 DEG C, 1~2MPa of pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257350.4A CN108312680A (en) | 2018-03-27 | 2018-03-27 | A kind of lamination high property superthin electromagnetic wave shield film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257350.4A CN108312680A (en) | 2018-03-27 | 2018-03-27 | A kind of lamination high property superthin electromagnetic wave shield film and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN108312680A true CN108312680A (en) | 2018-07-24 |
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|---|---|---|---|
| CN201810257350.4A Pending CN108312680A (en) | 2018-03-27 | 2018-03-27 | A kind of lamination high property superthin electromagnetic wave shield film and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116535A (en) * | 2019-05-27 | 2019-08-13 | 江苏君华特种工程塑料制品有限公司 | A kind of continuous CF/PEEK thermoplastic composite and preparation method thereof |
| CN110228237A (en) * | 2019-06-21 | 2019-09-13 | 华南理工大学 | A kind of multiple dimensioned high property superthin electromagnetic wave shield film of secondary hot pressing and preparation method thereof |
| CN110248530A (en) * | 2019-06-29 | 2019-09-17 | 华南理工大学 | A kind of wearable high electromagnetic wave shield film of ventilative automatically cleaning and preparation method thereof |
| CN112318961A (en) * | 2020-12-10 | 2021-02-05 | 山东非金属材料研究所 | Preparation method of novel electromagnetic shielding material |
| CN112411008A (en) * | 2020-11-14 | 2021-02-26 | 南京柯普新材料科技有限公司 | Preparation process of nickel-plated carbon fiber felt |
| CN114261036A (en) * | 2021-12-22 | 2022-04-01 | 中国科学院宁波材料技术与工程研究所 | Thermoplastic electromagnetic shielding prepreg, preparation method and prepared composite material |
| CN114633531A (en) * | 2022-03-01 | 2022-06-17 | 浙江工业大学 | Preparation method of anisotropic heat-conducting electromagnetic shielding nylon composite film |
| CN114261036B (en) * | 2021-12-22 | 2024-07-02 | 中国科学院宁波材料技术与工程研究所 | Thermoplastic electromagnetic shielding prepreg, preparation method and prepared composite material |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110116535A (en) * | 2019-05-27 | 2019-08-13 | 江苏君华特种工程塑料制品有限公司 | A kind of continuous CF/PEEK thermoplastic composite and preparation method thereof |
| CN110116535B (en) * | 2019-05-27 | 2021-05-18 | 江苏君华特种工程塑料制品有限公司 | Continuous CF/PEEK thermoplastic composite material and preparation method thereof |
| CN110228237A (en) * | 2019-06-21 | 2019-09-13 | 华南理工大学 | A kind of multiple dimensioned high property superthin electromagnetic wave shield film of secondary hot pressing and preparation method thereof |
| CN110228237B (en) * | 2019-06-21 | 2021-07-20 | 华南理工大学 | Secondary hot-pressing multi-scale ultrathin high-performance electromagnetic shielding film and preparation method thereof |
| CN110248530A (en) * | 2019-06-29 | 2019-09-17 | 华南理工大学 | A kind of wearable high electromagnetic wave shield film of ventilative automatically cleaning and preparation method thereof |
| CN112411008A (en) * | 2020-11-14 | 2021-02-26 | 南京柯普新材料科技有限公司 | Preparation process of nickel-plated carbon fiber felt |
| CN112411008B (en) * | 2020-11-14 | 2021-06-04 | 南京柯普新材料科技有限公司 | Preparation process of nickel-plated carbon fiber felt |
| CN112318961A (en) * | 2020-12-10 | 2021-02-05 | 山东非金属材料研究所 | Preparation method of novel electromagnetic shielding material |
| CN114261036A (en) * | 2021-12-22 | 2022-04-01 | 中国科学院宁波材料技术与工程研究所 | Thermoplastic electromagnetic shielding prepreg, preparation method and prepared composite material |
| CN114261036B (en) * | 2021-12-22 | 2024-07-02 | 中国科学院宁波材料技术与工程研究所 | Thermoplastic electromagnetic shielding prepreg, preparation method and prepared composite material |
| CN114633531A (en) * | 2022-03-01 | 2022-06-17 | 浙江工业大学 | Preparation method of anisotropic heat-conducting electromagnetic shielding nylon composite film |
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