KR20130112612A - 광대역 전자파차폐용 복합재 - Google Patents
광대역 전자파차폐용 복합재 Download PDFInfo
- Publication number
- KR20130112612A KR20130112612A KR1020120035129A KR20120035129A KR20130112612A KR 20130112612 A KR20130112612 A KR 20130112612A KR 1020120035129 A KR1020120035129 A KR 1020120035129A KR 20120035129 A KR20120035129 A KR 20120035129A KR 20130112612 A KR20130112612 A KR 20130112612A
- Authority
- KR
- South Korea
- Prior art keywords
- polymer
- composite
- filler
- matrix
- composite material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 118
- 229920000642 polymer Polymers 0.000 claims abstract description 101
- 239000000945 filler Substances 0.000 claims abstract description 65
- 239000011159 matrix material Substances 0.000 claims abstract description 58
- 239000000696 magnetic material Substances 0.000 claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 25
- 239000002086 nanomaterial Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims description 24
- -1 Polyethylene Polymers 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 14
- 239000004800 polyvinyl chloride Substances 0.000 claims description 12
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 10
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 10
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 10
- 229920006380 polyphenylene oxide Polymers 0.000 claims description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 10
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 9
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 9
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 9
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 claims description 9
- 239000004417 polycarbonate Substances 0.000 claims description 9
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 239000004793 Polystyrene Substances 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 4
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000012798 spherical particle Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000002048 multi walled nanotube Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000002134 carbon nanofiber Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 239000002079 double walled nanotube Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 239000002109 single walled nanotube Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 description 10
- 239000002861 polymer material Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 4
- 239000006249 magnetic particle Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229920002292 Nylon 6 Polymers 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000012994 photoredox catalyst Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000011246 composite particle Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 229920000140 heteropolymer Polymers 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
- B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/158—Carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/203—Solid polymers with solid and/or liquid additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- 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
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
-
- 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
-
- 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
-
- 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
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2202/00—Structure or properties of carbon nanotubes
- C01B2202/02—Single-walled nanotubes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2202/00—Structure or properties of carbon nanotubes
- C01B2202/06—Multi-walled nanotubes
-
- 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)
-
- 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
- C08K2201/01—Magnetic additives
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
이를 위하여 본 발명은, 탄소계 전도성 나노재료를 함침한 매트릭스용 고분자로 된 매트릭스 복합재와 자성재료를 함침한 필러용 고분자로 된 필러 복합재를 혼합하여 된 고분자 복합재로서, 상기 자성재료가 필러용 고분자 내에 함침된 상태로 매트릭스 복합재 내에 분산되어 있는 것을 특징으로 하는 광대역 전자파차폐용 복합재를 제공한다.
Description
도 2는 본 발명의 실시예에 따른 광대역 전자파차폐용 복합재를 나타낸 SEM 단면 이미지
도 3은 본 발명의 실시예에 따른 광대역 전자파차폐용 복합재의 전자파차폐 성능을 측정하여 나타낸 그래프
Claims (12)
- 탄소계 전도성 나노재료를 함침한 매트릭스용 고분자로 된 매트릭스 복합재와 자성재료를 함침한 필러용 고분자로 된 필러 복합재를 혼합하여 된 고분자 복합재로서, 상기 자성재료가 필러용 고분자 내에 함침된 상태로 매트릭스 복합재 내에 분산되어 있는 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 1에 있어서,
상기 매트릭스용 고분자와 필러용 고분자는 용융 상태에서 서로 섞이지 않아 2상으로 존재하게 되는 열가소성 고분자로서, 필러용 고분자가 매트릭스용 고분자 내에 분산가능한 2종 고분자의 조합인 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 1 또는 2에 있어서,
상기 매트릭스용 고분자로는 매트릭스용 고분자에 혼합되는 필러용 고분자가 분산가능한 열가소성 고분자로서 폴리에틸렌, 폴리프로필렌, 폴리비닐클로라이드, ABS(acrylonitrile butadiene styrene copolymer), PA(polyamide), PC(polycarbonate), PET(polyethylene terephthalate), PMMA(polymethyl methacrylate), PPO(polyphenylene oxide), PS(polystyrene), PVC(polyvinyl chloride), SAN(Styrene AcryloNitrile copolymer) 중 선택된 1종이 사용되거나 혹은 2종으로 된 혼합물이 사용되는 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 1 또는 2에 있어서,
상기 필러용 고분자로는 매트릭스용 고분자 내에 분산가능한 열가소성 고분자로서 폴리에틸렌, 폴리프로필렌, 폴리비닐클로라이드, ABS(acrylonitrile butadiene styrene copolymer), PA(polyamide), PC(polycarbonate), PET(polyethylene terephthalate), PMMA(polymethyl methacrylate), PPO(polyphenylene oxide), PS(polystyrene), PVC(polyvinyl chloride), SAN(Styrene AcryloNitrile copolymer) 중 선택된 1종이 사용되거나 혹은 2종으로 된 혼합물이 사용되는 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 1에 있어서,
상기 고분자 복합재는 매트릭스 복합재 70 ~ 90 중량% 와 필러 복합재 10 ~ 30 중량% 를 혼합하여 된 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 1 또는 5에 있어서,
상기 필러 복합재는 필러용 고분자 50 ~ 90 중량% 와 자성재료 10 ~ 50 중량% 를 혼합하여 된 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 1 또는 5에 있어서,
상기 매트릭스 복합재는 매트릭스용 고분자 80 ~ 90 중량% 와 탄소계 전도성 나노재료 10 ~ 20 중량% 를 혼합하여 된 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 1에 있어서,
상기 매트릭스 복합재 내에 분산된 필러 복합재는 1 ~ 10㎛의 크기를 가지는 구형의 입자인 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 1에 있어서,
상기 자성재료는 철, 코발트, 니켈, 및 이들의 산화물, 그리고 이들의 합금 중 선택된 1종 또는 선택된 2종 이상으로 된 혼합물인 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 1에 있어서,
상기 자성재료는 그 입자가 0.1 ~ 5㎛의 크기를 가지는 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 1에 있어서,
상기 탄소계 전도성 나노재료는 탄소나노튜브와 탄소나노섬유인 것을 특징으로 하는 광대역 전자파차폐용 복합재.
- 청구항 11에 있어서,
상기 탄소나노튜브는 단일벽 탄소나노튜브, 이중벽 탄소나노튜브, 다중벽 탄소나노튜브 중에서 선택된 1종 또는 2종 이상으로 된 혼합물인 것을 특징으로 하는 광대역 전자파차폐용 복합재.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120035129A KR101349029B1 (ko) | 2012-04-04 | 2012-04-04 | 광대역 전자파차폐용 복합재 |
| US13/548,388 US20130264511A1 (en) | 2012-04-04 | 2012-07-13 | Composite for shielding broadband electromagnetic waves |
| DE102012213314.3A DE102012213314B4 (de) | 2012-04-04 | 2012-07-30 | Verbundwerkstoff zum Abschirmen breitbandiger elektromagnetischer Wellen und Verfahren zum Ausbilden des Verbundwerkstoffes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020120035129A KR101349029B1 (ko) | 2012-04-04 | 2012-04-04 | 광대역 전자파차폐용 복합재 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20130112612A true KR20130112612A (ko) | 2013-10-14 |
| KR101349029B1 KR101349029B1 (ko) | 2014-01-10 |
Family
ID=49209994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020120035129A Active KR101349029B1 (ko) | 2012-04-04 | 2012-04-04 | 광대역 전자파차폐용 복합재 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20130264511A1 (ko) |
| KR (1) | KR101349029B1 (ko) |
| DE (1) | DE102012213314B4 (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018021648A1 (ko) * | 2016-07-29 | 2018-02-01 | (주)엘지하우시스 | 전자기파 차폐시트용 조성물 및 전자기파 차폐시트 |
| WO2019035697A1 (ko) * | 2017-08-18 | 2019-02-21 | 주식회사 네패스 | Emi 차폐필름 |
| CN114957786A (zh) * | 2022-05-20 | 2022-08-30 | 郑州大学 | 一种不对称结构电磁屏蔽复合材料及其制备方法、电磁屏蔽装置 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9637612B2 (en) * | 2013-09-20 | 2017-05-02 | Ferdowsi University of Mashhad | Method for aligning high aspect ratio materials and compositions therefrom |
| US10070547B2 (en) * | 2014-02-26 | 2018-09-04 | Sparton Corporation | Control of electric field effects in a printed circuit board assembly using embedded nickel-metal composite materials |
| US20150245548A1 (en) * | 2014-02-26 | 2015-08-27 | Sparton Corporation | Control of electric field effects in a printed circuit board assembly using embedded nickel-metal composite materials |
| KR101634237B1 (ko) | 2014-06-12 | 2016-06-29 | 한국과학기술원 | 레진 함량에 따른 다양한 전자기 특성을 갖는 복합재료 제조 방법 및 이를 포함하는 전자기파 흡수 구조체 |
| KR101773928B1 (ko) | 2015-06-09 | 2017-09-01 | 주식회사 씨에프에이글로벌 | 광대역 전자기파 차폐용 복합함량 동철합금 시트재 |
| KR101744623B1 (ko) | 2016-03-23 | 2017-06-09 | 한국과학기술원 | 금속 코팅된 섬유를 포함하는 전자파 흡수체 및 이의 제조 방법 |
| PL3703479T3 (pl) * | 2019-02-28 | 2023-03-20 | NanoEMI sp.z o.o. | Materiał kompozytowy do ekranowania promieniowania elektromagnetycznego, surowiec do addytywnych metod wytwarzania i wyrób zawierający ten materiał kompozytowy oraz sposób wytwarzania tego wyrobu |
| RU2739030C1 (ru) * | 2020-02-17 | 2020-12-21 | Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук (ИНХС РАН) | Способ получения нанокомпозитного магнитного и электропроводящего материала |
| KR20240132160A (ko) | 2023-02-24 | 2024-09-03 | 대진첨단소재 주식회사 | 전기차 충전 통신 컨트롤러 하우징 제조용 인서트 이중 사출 방법 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3463520B2 (ja) * | 1997-07-22 | 2003-11-05 | 東洋インキ製造株式会社 | 導電性樹脂組成物及び成形加工物 |
| JP2002164689A (ja) * | 2000-11-28 | 2002-06-07 | Polymatech Co Ltd | 高熱伝導性電波吸収体 |
| JP2004059832A (ja) * | 2002-07-31 | 2004-02-26 | Hitachi Cable Ltd | 電磁波吸収材料組成物及び電磁波吸収体 |
| KR100744517B1 (ko) * | 2005-09-28 | 2007-08-01 | 엘지전자 주식회사 | 전자파 차폐 소재 |
| US20100096181A1 (en) * | 2007-03-29 | 2010-04-22 | Munetomo Nakamura | Electromagnetic shield sheet and rfid plate |
| US8344053B2 (en) * | 2009-09-10 | 2013-01-01 | Pixelligent Technologies, Llc | Highly conductive composites |
-
2012
- 2012-04-04 KR KR1020120035129A patent/KR101349029B1/ko active Active
- 2012-07-13 US US13/548,388 patent/US20130264511A1/en not_active Abandoned
- 2012-07-30 DE DE102012213314.3A patent/DE102012213314B4/de active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018021648A1 (ko) * | 2016-07-29 | 2018-02-01 | (주)엘지하우시스 | 전자기파 차폐시트용 조성물 및 전자기파 차폐시트 |
| WO2019035697A1 (ko) * | 2017-08-18 | 2019-02-21 | 주식회사 네패스 | Emi 차폐필름 |
| CN114957786A (zh) * | 2022-05-20 | 2022-08-30 | 郑州大学 | 一种不对称结构电磁屏蔽复合材料及其制备方法、电磁屏蔽装置 |
| CN114957786B (zh) * | 2022-05-20 | 2023-07-07 | 郑州大学 | 一种不对称结构电磁屏蔽复合材料及其制备方法、电磁屏蔽装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101349029B1 (ko) | 2014-01-10 |
| DE102012213314B4 (de) | 2019-03-21 |
| DE102012213314A1 (de) | 2013-10-10 |
| US20130264511A1 (en) | 2013-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101349029B1 (ko) | 광대역 전자파차폐용 복합재 | |
| Lyu et al. | An overview of electrically conductive polymer nanocomposites toward electromagnetic interference shielding | |
| Katheria et al. | A journey of thermoplastic elastomer nanocomposites for electromagnetic shielding applications: from bench to transitional research | |
| Basuli et al. | Electrical properties and electromagnetic interference shielding effectiveness of multiwalled carbon nanotubes‐reinforced EMA nanocomposites | |
| Chen et al. | Magnetic and electrically conductive epoxy/graphene/carbonyl iron nanocomposites for efficient electromagnetic interference shielding | |
| Sohi et al. | Dielectric property and electromagnetic interference shielding effectiveness of ethylene vinyl acetate‐based conductive composites: Effect of different type of carbon fillers | |
| Pande et al. | Improved electromagnetic interference shielding properties of MWCNT–PMMA composites using layered structures | |
| Saini et al. | Enhanced electromagnetic interference shielding effectiveness of polyaniline functionalized carbon nanotubes filled polystyrene composites | |
| Singh et al. | Nanocomposites based on transition metal oxides in polyvinyl alcohol for EMI shielding application | |
| KR101337959B1 (ko) | 전자파차폐용 복합재 | |
| US20100311866A1 (en) | Heirarchial polymer-based nanocomposites for emi shielding | |
| KR101337958B1 (ko) | 전자파 차폐용 복합재와 그 제조 방법 | |
| Azadmanjiri et al. | Synthesis and electromagnetic interference shielding properties of iron oxide/polypyrrole nanocomposites | |
| CN103571215A (zh) | 高导热及emi遮蔽的高分子复合材 | |
| KR101349160B1 (ko) | 탄소나노튜브 코팅 유리섬유와 그라파이트를 함유한 기능성 나노복합재 및 그 제조 방법 | |
| Kim et al. | Synergistic effects of carbon nanotubes and exfoliated graphite nanoplatelets for electromagnetic interference shielding and soundproofing | |
| Saini | Electrical properties and electromagnetic interference shielding response of electrically conducting thermosetting nanocomposites | |
| JP2013536990A5 (ko) | ||
| Ghanbari et al. | Epoxy-based multilayered coating containing carbon nanotube (CNT), silicon carbide (SiC), and carbonyl iron (CI) particles: as efficient microwave absorbing materials | |
| Bhattacharjee et al. | Thermoplastic polymer composites for EMI shielding applications | |
| JP2015015373A (ja) | 電磁波吸収性樹脂組成物及びその成形品 | |
| KR20130091165A (ko) | 금속-탄소나노튜브 코팅 유리섬유와 그라파이트를 함유한 고분자 나노복합재 및 그 제조 방법 | |
| Qing et al. | Aligned Fe microfiber reinforced epoxy composites with tunable electromagnetic properties and improved microwave absorption | |
| Zhang et al. | Dynamic and regional constructive electromagnetic protecting materials made by MWNT/Fe3O4/poly pyrrole doped vitrimers | |
| KR101449268B1 (ko) | 저주파 전자파 흡수용 이중층 복합재 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20120404 |
|
| PA0201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20130429 Patent event code: PE09021S01D |
|
| PG1501 | Laying open of application | ||
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20131128 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20140102 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20140103 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration | ||
| FPAY | Annual fee payment |
Payment date: 20161228 Year of fee payment: 4 |
|
| PR1001 | Payment of annual fee |
Payment date: 20161228 Start annual number: 4 End annual number: 4 |
|
| FPAY | Annual fee payment |
Payment date: 20171227 Year of fee payment: 5 |
|
| PR1001 | Payment of annual fee |
Payment date: 20171227 Start annual number: 5 End annual number: 5 |
|
| FPAY | Annual fee payment |
Payment date: 20181213 Year of fee payment: 6 |
|
| PR1001 | Payment of annual fee |
Payment date: 20181213 Start annual number: 6 End annual number: 6 |
|
| FPAY | Annual fee payment |
Payment date: 20191210 Year of fee payment: 7 |
|
| PR1001 | Payment of annual fee |
Payment date: 20191210 Start annual number: 7 End annual number: 7 |
|
| PR1001 | Payment of annual fee |
Payment date: 20210104 Start annual number: 8 End annual number: 8 |
|
| PR1001 | Payment of annual fee |
Payment date: 20231218 Start annual number: 11 End annual number: 11 |
|
| PR1001 | Payment of annual fee |
Payment date: 20241226 Start annual number: 12 End annual number: 12 |