KR102337007B1 - Electromagnetic shielding tape including nano metal and carbon fiber, and apparatus for manufacturing same - Google Patents

Electromagnetic shielding tape including nano metal and carbon fiber, and apparatus for manufacturing same Download PDF

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KR102337007B1
KR102337007B1 KR1020200100593A KR20200100593A KR102337007B1 KR 102337007 B1 KR102337007 B1 KR 102337007B1 KR 1020200100593 A KR1020200100593 A KR 1020200100593A KR 20200100593 A KR20200100593 A KR 20200100593A KR 102337007 B1 KR102337007 B1 KR 102337007B1
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metal
carbon fibers
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nano
carbon fiber
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김원석
김지연
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(유)씨앤투영
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    • 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
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • 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
    • B29C70/02—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements, e.g. non-specified reinforcements, fibrous reinforcing inserts and fillers, e.g. particulate fillers, incorporated in matrix material, forming one or more layers and with or without non-reinforced or non-filled layers
    • B29C70/021—Combinations of fibrous reinforcement and non-fibrous material
    • 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
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • 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
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
    • C08J5/042—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with carbon fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0809—Fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0854—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns in the form of a non-woven mat
    • B29K2105/0863—SMC, i.e. sheet moulding compound
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2305/00—Use of metals, their alloys or their compounds, as reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2307/00—Use of elements other than metals as reinforcement
    • B29K2307/04—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/007—Narrow strips, e.g. ribbons, tapes, bands

Abstract

The present invention relates to a nanometal-carbon fiber shielding tape and a device for manufacturing the same. The device comprises: a supply unit for supplying carbon fibers in the longitudinal direction; a spreading unit for spreading the carbon fibers in the width direction; a discharging unit for discharging a thermoplastic resin melt mixed with nanometals from above the spread carbon fibers; a pressurizing unit for pressurizing the thermoplastic resin melt mixed with the nanometals discharged on the carbon fibers and distributing the thermoplastic resin melt between the upper surface and the space of the carbon fibers; and a recovery unit for recovering carbon fiber tape, which is made by cooling the carbon fibers in which the thermoplastic resin melt mixed with the nanometals is distributed between the upper surface and the space through a room temperature cooling section. According to the present invention, in order to make a shielding tape containing metal-coated carbon fibers, the process of manufacturing the metal-coated carbon fibers is eliminated, so shielding tape can be produced quickly and at a low price.

Description

나노금속-탄소섬유 차폐 테이프 및 이를 제조하는 장치{Electromagnetic shielding tape including nano metal and carbon fiber, and apparatus for manufacturing same}Nanometal-carbon fiber shielding tape and apparatus for manufacturing the same

본 발명은 나노금속-탄소섬유 차폐 테이프 및 이를 제조하는 장치에 관한 것이다.The present invention relates to a nano-metal-carbon fiber shielding tape and an apparatus for manufacturing the same.

전자파 차폐케이블 제조 방법으로, 선형 차폐선을 케이블에 편조해서 만드는 편조법과, 차폐테이프를 케이블에 감아서 만드는 테이프법이 있다. 선형 차페선은 차폐테이프를 길이방향으로 잘라서 만들어 낼 수 있다.As a method for manufacturing electromagnetic wave shielding cables, there are a braiding method, which is made by braiding a linear shielding wire on a cable, and a tape method, which is made by winding a shielding tape around the cable. A linear shielding wire can be made by cutting the shielding tape lengthwise.

차폐테이프는 길이방향으로 배치된 탄소섬유들과, 길이방향으로 배치된 탄소섬유들을 결합시키는 폴리머로 구성된다. 이렇게 탄소섬유와 폴리머로 구성된 차폐테이프를 “탄소섬유 차폐테이프”라 칭한다.The shielding tape is composed of carbon fibers arranged in the longitudinal direction and a polymer that bonds the carbon fibers arranged in the longitudinal direction. This shielding tape composed of carbon fiber and polymer is called “carbon fiber shielding tape”.

탄소섬유 차폐테이프에 포함되는 탄소섬유는 구리 대비 비중이 낮고 인장강도와 유연성이 우수하지만, 전기적 특성이 떨어지는 단점이 존재한다. 이러한 단점은, 탄소섬유 고유의 장점을 그대로 가질 뿐 아니라, 우수한 전기적 특성도 가지고 있는, 금속코팅 탄소섬유( Metal-coated Carbon Fiber, MCF)를 사용함으로써 해결될 수 있다.Carbon fiber included in the carbon fiber shielding tape has a low specific gravity compared to copper and has excellent tensile strength and flexibility, but has disadvantages in that it has poor electrical properties. This disadvantage can be solved by using metal-coated carbon fiber (MCF), which not only has the inherent advantages of carbon fiber as it is, but also has excellent electrical properties.

일 예로, 금속코팅 탄소섬유는, 한국등록특허(10-2010366)에 개시된 바와 같이, 암모늄바이카보네이트 전해질 용액에 흑연을 표준전극으로 넣고 상대 전극으로 탄소섬유를 사용하고, 탄소섬유에 양전압을 인가하여 탄소 섬유 표면을 음전하화 하는 활성화 과정; 및 음전하가 인가된 탄소 섬유의 표면에 금속을 도금하는 과정 등을 거쳐 만들어진다.As an example, as disclosed in Korean Patent Registration (10-2010366), metal-coated carbon fiber uses graphite as a standard electrode in an ammonium bicarbonate electrolyte solution, uses carbon fiber as a counter electrode, and applies a positive voltage to the carbon fiber. an activation process that negatively charges the carbon fiber surface; And it is made through a process of plating a metal on the surface of the carbon fiber to which a negative charge is applied.

다른 예로, 금속코팅 탄소섬유는, 한국공개특허(10-2020-0082273)에 개시된 바와 같이, 탄소섬유를 전처리(pre-treatment)하는 단계; 및 상기 전처리한 탄소섬유의 표면에 복수의 전해 도금을 순차적으로 적용하여 도전 특성이 다른 금속층을 연속적으로 적층하여 형성하는 단계를 거쳐서 만들어진다.As another example, the metal-coated carbon fiber, as disclosed in Korean Patent Laid-Open Publication (10-2020-0082273), includes the steps of pre-treatment of the carbon fiber; and sequentially applying a plurality of electroplating to the surface of the pretreated carbon fiber to continuously stack and form metal layers having different conductivity properties.

이와 같이, 금속코팅 탄소섬유가 포함된 차폐 테이프를 만들려면, 반드시 탄소섬유를 금속으로 코팅하는 과정을 거쳐야 하므로, 차폐 테이프를 신속하고 저렴한 가격으로 만들기 어렵다.As such, in order to make a shielding tape containing metal-coated carbon fibers, it is difficult to quickly and inexpensively make a shielding tape because the carbon fiber must be coated with a metal.

한국등록특허(10-2002012)Korean Patent Registration (10-2002012) 한국등록특허(10-2010366)Korean Patent Registration (10-2010366) 한국공개특허(10-2020-0082273)Korean Patent Publication (10-2020-0082273)

본 발명의 목적은, 상술한 문제점을 해결할 수 있는 나노금속-탄소섬유 차폐 테이프 및 이를 제조하는 장치를 제공하는 데 있다.It is an object of the present invention to provide a nano-metal-carbon fiber shielding tape capable of solving the above-described problems and an apparatus for manufacturing the same.

상기 목적을 달성하기 위한 나노금속-탄소섬유 차폐 테이프 제조장치는,Nano metal-carbon fiber shielding tape manufacturing apparatus for achieving the above object,

길이방향으로 탄소섬유들을 공급하는 공급유닛;a supply unit for supplying carbon fibers in the longitudinal direction;

상기 탄소섬유들을 폭 방향으로 펼치는 스프레딩유닛;a spreading unit that spreads the carbon fibers in a width direction;

펼쳐진 상기 탄소섬유들의 위쪽에서 나노금속이 혼합된 열가소성수지 용융액을 토출하는 토출유닛;a discharging unit discharging a thermoplastic resin melt in which nano-metal is mixed from above the unfolded carbon fibers;

상기 탄소섬유들 위에 토출된 나노금속이 혼합된 열가소성수지 용융액을 가압해서, 상기 탄소섬유들의 상면과 사이사이에 분포시키는 가압유닛; 및a pressurizing unit that pressurizes the thermoplastic resin melt in which the nano-metal is mixed discharged on the carbon fibers and distributes them between the upper surfaces and between the carbon fibers; and

상기 나노금속이 혼합된 열가소성수지 용융액이 상면과 사이사이에 분포된 탄소섬유들이, 상온 냉각구간을 거쳐 냉각되어 만들어진, 탄소섬유테이프를 회수하는 회수유닛을 포함하는 것을 특징으로 한다.It is characterized in that it comprises a recovery unit for recovering the carbon fiber tape made by cooling the carbon fibers distributed between the upper surface and the interspace of the thermoplastic resin melt in which the nano-metal is mixed, through a room temperature cooling section.

또한, 상기 목적을 달성하기 위한 나노금속-탄소섬유 차폐 테이프 제조장치는,In addition, the nano-metal-carbon fiber shielding tape manufacturing apparatus for achieving the above object,

길이방향으로 탄소섬유들을 공급하는 공급유닛;a supply unit for supplying carbon fibers in the longitudinal direction;

상기 탄소섬유들을 폭 방향으로 펼치는 스프레딩유닛;a spreading unit that spreads the carbon fibers in a width direction;

펼쳐진 상기 탄소섬유들의 위쪽에서 나노금속 또는 나노금속 수용액을 토출하여, 펼쳐진 상기 탄소섬유들의 상면과 사이사이에 분산시키는 분산유닛;a dispersing unit discharging a nano-metal or nano-metal aqueous solution from above the unfolded carbon fibers, and dispersing the nano-metal or nano-metal aqueous solution between the upper surfaces and between the unfolded carbon fibers;

상기 나노금속이 상면과 사이사이에 분산된 탄소섬유들의 위쪽에서 열가소성수지 용융액을 토출하는 토출유닛;a discharging unit discharging the thermoplastic resin melt from the upper surface of the carbon fibers having the nano-metal dispersed therebetween;

상기 나노금속이 상면과 사이사이에 분산된 탄소섬유들 위에 토출된 열가소성수지 용융액을 가압해서, 상기 탄소섬유들의 상면과 사이사이에 분포시키는 가압유닛; 및a pressing unit that pressurizes the thermoplastic resin melt discharged on the carbon fibers in which the nano-metal is dispersed on the upper surface and between the upper surface and distributes it between the upper surface of the carbon fibers; and

상기 나노금속과 상기 열가소성수지 용융액이 상면과 사이사이에 균일하게 분포된 탄소섬유들이, 상온 냉각구간을 거쳐 냉각되어 만들어진, 탄소섬유테이프를 회수하는 회수유닛을 포함하는 것을 특징으로 한다.and a recovery unit for recovering carbon fiber tapes made by cooling the carbon fibers uniformly distributed between the upper surface and the space between the nano-metal and the thermoplastic resin melt.

또한, 상기 목적을 달성하기 위한 나노금속-탄소섬유 차폐 테이프 제조장치는,In addition, the nano-metal-carbon fiber shielding tape manufacturing apparatus for achieving the above object,

길이방향으로 탄소섬유들을 공급하는 공급유닛;a supply unit for supplying carbon fibers in the longitudinal direction;

상기 탄소섬유들을 폭 방향으로 펼치는 스프레딩유닛;a spreading unit that spreads the carbon fibers in a width direction;

펼쳐진 상기 탄소섬유들의 위쪽에서 나노금속 또는 나노금속 수용액을 토출하여, 펼쳐진 상기 탄소섬유들의 상면과 사이사이에 분산시키는 분산유닛;a dispersing unit discharging a nano-metal or nano-metal aqueous solution from above the unfolded carbon fibers, and dispersing the nano-metal or nano-metal aqueous solution between the upper surfaces and between the unfolded carbon fibers;

상기 탄소섬유들의 상면과 사이사이에 분산된 나노금속의 분산도를 감지하는 센서와, 상기 센서로부터 신호를 받아 나노금속의 분산도를 판단하는 제어부와, 상기 제어부로부터 신호를 받아 나노금속을 다시 한번 분산시키는 초음파진동기로 구성된 진동유닛;A sensor for detecting the dispersion degree of the nanometal dispersed between the upper surface of the carbon fibers, a control unit for receiving a signal from the sensor to determine the dispersion degree of the nanometal, and a signal from the control unit to receive the nanometal once again a vibration unit composed of an ultrasonic vibrator for dispersing;

상기 나노금속이 상면과 사이사이에 분산된 탄소섬유들의 위쪽에서 열가소성수지 용융액을 토출하는 토출유닛;a discharging unit discharging the thermoplastic resin melt from the upper surface of the carbon fibers having the nano-metal dispersed therebetween;

상기 나노금속이 상면과 사이사이에 분산된 탄소섬유들 위에 토출된 열가소성수지 용융액을 가압해서, 상기 탄소섬유들의 상면과 사이사이에 균일하게 분포시키는 가압유닛; 및a pressing unit that pressurizes the thermoplastic resin melt discharged on the carbon fibers in which the nano-metal is dispersed on the upper surface and between the upper surfaces, and uniformly distributes them between the upper surfaces and between the carbon fibers; and

상기 나노금속과 상기 열가소성수지 용융액이 상면과 사이사이에 균일하게 분포된 탄소섬유들이, 상온 냉각구간을 거쳐 냉각되어 만들어진, 탄소섬유테이프를 회수하는 회수유닛을 포함하는 것을 특징으로 한다.and a recovery unit for recovering carbon fiber tapes made by cooling the carbon fibers uniformly distributed between the upper surface and the space between the nano-metal and the thermoplastic resin melt.

또한, 상기 목적은, 상술한 나노금속-탄소섬유 차폐 테이프 제조장치에 의해 제조된 나노금속-탄소섬유 차폐 테이프에 의해 달성된다.In addition, the above object is achieved by the nano-metal-carbon fiber shielding tape manufactured by the above-described nano-metal-carbon fiber shielding tape manufacturing apparatus.

본 발명은, 탄소섬유들 위에 나노금속이 혼합된 열가소성수지 용융액을 토출하고, 가압하고, 냉각시켜 차폐 테이프를 만든다. 이로 인해, 금속코팅 탄소섬유를 사용하지 않고도, 이와 동등한 전자파 차폐 효과를 내는 탄소섬유테이프를 만들어낼 수 있다. 이로 인해, 금속코팅 탄소섬유가 포함된 차폐 테이프를 만들기 위해, 금속코팅 탄소섬유을 제조하는 과정이 필요 없어, 차폐 테이프를 신속하고 저렴한 가격으로 만들어낼 수 있다.The present invention makes a shielding tape by discharging, pressing, and cooling a thermoplastic resin melt mixed with nano metal on carbon fibers. For this reason, it is possible to create a carbon fiber tape having an electromagnetic wave shielding effect equivalent to this without using a metal-coated carbon fiber. For this reason, in order to make the shielding tape containing the metal-coated carbon fiber, there is no need for a process of manufacturing the metal-coated carbon fiber, so that the shielding tape can be produced quickly and at a low price.

본 발명은, 나노금속을 탄소섬유들의 상면과 사이사이에 균일하게 분포시킨 다음에, 열가소성수지 용융액을 토출하고, 가압하고, 냉각시켜 차폐 테이프를 만든다. 이로 인해, 나노금속이 열가소성 수지 용액 안에서 뭉쳐 토출되는 현상을 근본적으로 없애, 전자파 차폐 효과가 좋아진다. 여기에 진동유닛을 더 두면, 미처 분산되지 못한 나노금속을 한 번 더 분산시킬 수 있어, 전자파 차폐 효과가 더 좋아진다.In the present invention, the nanometal is uniformly distributed between the upper surface and between the carbon fibers, and then the thermoplastic resin melt is discharged, pressurized, and cooled to make a shielding tape. For this reason, it fundamentally eliminates the phenomenon that the nano-metal is agglomerated and discharged in the thermoplastic resin solution, and the electromagnetic wave shielding effect is improved. If an additional vibration unit is placed here, the nano-metal that has not been dispersed can be dispersed once more, and the electromagnetic wave shielding effect is improved.

도 1은 본 발명의 제1실시예에 따른 나노금속-탄소섬유 차폐 테이프 제조장치를 나타낸 도면이다.
도 2는 나노금속-탄소섬유 차폐 테이프를 나타낸 도면이다.
도 3은 나노금속-탄소섬유 차폐 테이프의 일부를 찍은 전자현미경 사진이다.
도 4는 나노금속-탄소섬유 차폐선을 나타낸 도면이다.
도 5는 금속의 종류 및 양을 달리하여, 나노금속-탄소섬유 차폐 테이프의 차폐성능(dB)을, 주파수(Hz)의 변화에 따라 나타낸 그래프이다.
도 6은 니켈의 입자크기 및 양과, 탄소섬유의 사이징 제거 여부에 따라, 나노금속-탄소섬유 차폐 테이프의 차폐성능(dB)을, 주파수(Hz)의 변화에 따라 나타낸 그래프이다.
도 7은 본 발명의 제2실시예에 따른 나노금속-탄소섬유 차폐 테이프 제조장치를 나타낸 도면이다.
도 8은 본 발명의 제3실시예에 따른 나노금속-탄소섬유 차폐 테이프 제조장치를 나타낸 도면이다.1 is a view showing an apparatus for manufacturing a nano-metal-carbon fiber shielding tape according to a first embodiment of the present invention.
2 is a view showing a nano-metal-carbon fiber shielding tape.
3 is an electron micrograph of a part of the nano-metal-carbon fiber shielding tape.
4 is a view showing a nano-metal-carbon fiber shield.
5 is a graph showing the shielding performance (dB) of the nano-metal-carbon fiber shielding tape according to the change in frequency (Hz) by changing the type and amount of metal.
6 is a graph showing the shielding performance (dB) of the nano-metal-carbon fiber shielding tape according to the change in frequency (Hz) according to the particle size and amount of nickel and whether or not the sizing of the carbon fiber is removed.
7 is a view showing an apparatus for manufacturing a nano-metal-carbon fiber shielding tape according to a second embodiment of the present invention.
8 is a view showing an apparatus for manufacturing a nano-metal-carbon fiber shielding tape according to a third embodiment of the present invention.

이하, 본 발명의 제1실시예에 따른 나노금속-탄소섬유 차폐 테이프 제조장치를 자세히 설명한다.Hereinafter, an apparatus for manufacturing a nano-metal-carbon fiber shielding tape according to a first embodiment of the present invention will be described in detail.

도 1에 도시된 바와 같이, 본 발명의 제1실시예에 따른 나노금속-탄소섬유 차폐 테이프 제조장치(1)는, 공급유닛(10), 스프레딩유닛(20), 토출유닛(30), 가압유닛(40), 회수유닛(50)으로 구성된다.As shown in Fig. 1, the nano-metal-carbon fiber shielding tape manufacturing apparatus 1 according to the first embodiment of the present invention includes a supply unit 10, a spreading unit 20, a discharging unit 30, It is composed of a pressurization unit (40) and a recovery unit (50).

나노금속-탄소섬유 차폐 테이프(CT)는 공급유닛(10), 스프레딩유닛(20), 토출유닛(30), 가압유닛(40)을 거쳐서 만들어져, 회수유닛(50)에 의해 회수된다.The nano-metal-carbon fiber shielding tape (CT) is made through the supply unit 10 , the spreading unit 20 , the discharge unit 30 , and the pressure unit 40 , and is recovered by the recovery unit 50 .

공급유닛(10)은, 길이방향으로 탄소섬유(CF)들을 공급한다. 탄소섬유(CF)들은 토우(tow) 형태로 공급된다. 공급유닛(10)은 탄소섬유(CF)들이 감기는 롤러(11)와, 롤러(11)를 회전시키는 구동부(미도시)와, 가이드롤러(12)들로 구성된다. 구동부는 공지기술로 구현 가능하므로 자세한 설명을 생략한다.The supply unit 10 supplies carbon fibers (CF) in the longitudinal direction. Carbon fibers (CF) are supplied in the form of tows. The supply unit 10 includes a roller 11 on which carbon fibers (CF) are wound, a driving unit (not shown) that rotates the roller 11 , and guide rollers 12 . Since the driving unit can be implemented by known technology, a detailed description thereof will be omitted.

스프레딩유닛(20)은 공급유닛(10)으로부터 공급받은 탄소섬유(CF)들을 폭 방향으로 10~15mm 정도 펼친다. 스프레딩유닛(20)은, 차례대로 배치된 가열기(21), 진공흡입기(22)로 구성된다. 가열기(21)는 탄소섬유(CF) 표면의 사이징제를 연화시켜, 탄소섬유(CF)들이 서로 잘 떨어져 탄소섬유(CF)들이 잘 펼쳐지게 만든다. 다만, 사이징제가 이미 제거된 탄소섬유(CF)를 사용할 경우에는 가열기(21)는 작동하지 않는다.The spreading unit 20 spreads the carbon fibers (CF) supplied from the supply unit 10 in the width direction by about 10 to 15 mm. The spreading unit 20 is composed of a heater 21 and a vacuum suction unit 22 which are sequentially arranged. The heater 21 softens the sizing agent on the surface of the carbon fibers (CF), so that the carbon fibers (CF) are well separated from each other so that the carbon fibers (CF) are well spread. However, when using the carbon fiber (CF) from which the sizing agent has already been removed, the heater 21 does not operate.

진공흡입기(22)는 공기를 아래로 흡입하여 탄소섬유(CF) 들 사이 간격을 넓힌다. 이렇게 탄소섬유(CF) 들 사이 간격이 넓어지는 상태를 도 1에 확대 도시하였다. 한편, 스프레딩유닛(20)을 탄소섬유들을 기계적으로 펼치는 갈고리를 포함하여 만들 수도 있다.The vacuum sucker 22 sucks air down to widen the gap between the carbon fibers (CF). In this way, a state in which the interval between the carbon fibers (CF) is widened is shown in enlarged view in FIG. 1 . On the other hand, the spreading unit 20 may be made to include a hook that mechanically spreads the carbon fibers.

토출유닛(30)은 펼쳐진 탄소섬유(CF)들의 위쪽에서 나노금속(NM)이 혼합된 열가소성수지 용융액을 토출한다. 나노금속의 종류는 Ni, Co, Fe, Ag, Al, Cu, Si, Sn 또는 합금 형태일 수 있다. 나노금속의 입자 사이즈는 수 nm이다.The discharge unit 30 discharges the thermoplastic resin melt in which the nano-metal (NM) is mixed from above the unfolded carbon fibers (CF). The type of nanometal may be in the form of Ni, Co, Fe, Ag, Al, Cu, Si, Sn, or an alloy. The particle size of nanometals is several nm.

토출유닛(30)은 용기(31), 히터(32), 노즐(33)로 구성된다. 용기(31)에 열가소성 수지 펠렛(TPP)과 나노금속(NM)이 혼합되어 투입된다. 히터(32)는 열가소성 수지 펠렛(TPP)을 가열하여 용융한다. 노즐(33)은 나노금속(NM)이 혼합된 열가소성수지 용융액(TPM)을 탄소섬유(CF)들 위에 토출한다.The discharge unit 30 includes a container 31 , a heater 32 , and a nozzle 33 . Thermoplastic resin pellets (TPP) and nano-metal (NM) are mixed and put into the container 31 . The heater 32 heats and melts the thermoplastic resin pellets (TPP). The nozzle 33 discharges the thermoplastic resin melt (TPM) mixed with the nano metal (NM) onto the carbon fibers (CF).

한편, 열가소성 수지와 나노금속을 따로 토출하기 위해, 토출유닛(30)이, 열가소성 수지 펠렛(TPP)을 가열하여 용융하여 탄소섬유(CF)들 위에 토출하는 제1토출유닛과, 토출된 열가소성수지가 냉각되기 전 상태의 표면에 나노금속을 토출하는 제2토출유닛으로 구성될 수 있다. 제1토출유닛은 용기,히터,노즐로 구성되고, 제2토출유닛은 용기,노즐로 구성되며, 제2토출유닛은 제1토출유닛 다음에 배치된다.On the other hand, in order to separately discharge the thermoplastic resin and the nanometal, the discharge unit 30 heats and melts the thermoplastic resin pellets (TPP) and discharges them onto the carbon fibers (CF), and the discharged thermoplastic resin It may be composed of a second discharging unit discharging the nano-metal to the surface of the state before being cooled. The first discharge unit includes a container, a heater, and a nozzle, the second discharge unit includes a container and a nozzle, and the second discharge unit is disposed after the first discharge unit.

가압유닛(40)은 탄소섬유(CF)들 위에 토출된 나노금속(NM)이 혼합된 열가소성수지 용융액(TPM)을 가압해서, 탄소섬유(CF)들 상면과 사이사이에 분포시킨다. 가압유닛(40)은 상하로 배치된 가압롤러(41)와 가압롤러(41)를 회전시키는 구동부(미도시)로 구성된다. 구동부는 공지기술로 구현 가능하므로 자세한 설명을 생략한다.The pressurizing unit 40 pressurizes the thermoplastic resin melt (TPM) mixed with the nano-metal (NM) discharged on the carbon fibers (CF), and distributes it between the upper surfaces and between the carbon fibers (CF). The pressing unit 40 includes a pressing roller 41 arranged vertically and a driving unit (not shown) for rotating the pressing roller 41 . Since the driving unit can be implemented by known technology, a detailed description thereof will be omitted.

회수유닛(50)은 나노금속-탄소섬유 차폐 테이프(CT)를 회수한다.The recovery unit 50 recovers the nano-metal-carbon fiber shielding tape (CT).

회수유닛(50)은 나노금속-탄소섬유 차폐 테이프(CT)가 감겨지는 회수롤러(51)와, 회수롤러(51)를 회전시키는 구동부(미도시)로 구성된다. 구동부는 공지기술로 구현 가능하므로 자세한 설명을 생략한다.The recovery unit 50 includes a recovery roller 51 on which the nano-metal-carbon fiber shielding tape CT is wound, and a driving unit (not shown) that rotates the recovery roller 51 . Since the driving unit can be implemented by known technology, a detailed description thereof will be omitted.

토출유닛(30), 가압유닛(40), 상온 냉각구간(P) 아래쪽에는 나노금속(NM)이 혼합된 열가소성수지 용융액이 탄소섬유(CF)들 사이로 통해 떨어질 때 받아내는 수지받이(60)가 배치된다.Below the discharge unit 30, the pressurization unit 40, and the room temperature cooling section P, there is a resin receiver 60 that receives when the thermoplastic resin melt mixed with nano metal (NM) falls through between the carbon fibers (CF). are placed

공급유닛(10)에서 공급된 탄소섬유(CF)들은, 스프레딩유닛(20), 토출유닛(30), 가압유닛(40), 상온 냉각구간(P)을 거쳐 나노금속-탄소섬유 차폐 테이프(CT)로 만들어져, 회수유닛(50)에 의해 회수된다.Carbon fibers (CF) supplied from the supply unit 10, the spreading unit 20, the discharge unit 30, the pressurization unit 40, the room temperature cooling section (P) through the nano-metal-carbon fiber shielding tape ( CT), and is recovered by the recovery unit 50 .

나노금속-탄소섬유 차폐 테이프(CT)는, 도 2 및 도 3에 도시된 바와 같이, 탄소섬유(CF)들과 탄소섬유(CF)들의 상면과 사이사이에 분포된 나노금속(NM)과, 이들을 결합시키며 매트릭스(Matrix) 역할을 하는 경화된 열가소성 수지(TP)로 구성된다. Nanometal-carbon fiber shielding tape (CT), as shown in FIGS. 2 and 3, the nanometal (NM) distributed between the upper surface and between the carbon fibers (CF) and the carbon fibers (CF), It is composed of a cured thermoplastic resin (TP) that binds them together and serves as a matrix.

도 4에 도시된 바와 같이, 차폐 테이프(CT)는 일정간격을 두어 길이방향으로 절단되어, 차폐 테이프선(CTW)으로 만들어질 수 있다.As shown in FIG. 4 , the shielding tape CT may be cut in the longitudinal direction at regular intervals to form a shielding tape wire CTW.

도 5에 도시된 바와 같이, 나노금속으로 니켈을 선택하고, 열가소성수지 용융액 안에 니켈이 20wt% 포함되었을 때가, 주파수 범위(0~10MHz)에서 차폐 성능이 -37dB로 가장 좋은 것으로 나타났다. As shown in FIG. 5 , when nickel was selected as the nanometal and 20 wt% of nickel was contained in the thermoplastic resin melt, the shielding performance was the best at -37 dB in the frequency range (0 to 10 MHz).

도 6에 도시된 바와 같이, 나노금속으로 입경이 50nm인 니켈을 선택하고, 탄소섬유에서 사이징제가 제거되고, 열가소성수지 용융액 안에 니켈이 20wt% 포함되었을 때가, 주파수 범위(0~10MHz)에서 차폐 성능이 -40dB로 가장 좋은 것으로 나타났다.6, when nickel with a particle diameter of 50 nm is selected as the nanometal, the sizing agent is removed from the carbon fiber, and 20 wt% of nickel is contained in the thermoplastic resin melt, the shielding performance in the frequency range (0 to 10 MHz) It turned out to be the best with -40dB.

이하, 본 발명의 제2실시예에 따른 나노금속-탄소섬유 차폐 테이프 제조장치를 자세히 설명한다. 제2실시예는, 열가소성 수지 용액 안에서 나노금속들이 뭉치는 현상을 방지하기 위해, 나노금속들을 열가소성 수지 용액에 혼합해서 토출하지 않고, 열가소성 수지 용액 보다 먼저 탄소섬유들 위로 토출한다. 제1실시예와 동일한 구성에는 동일한 도면부호를 부여하고, 그 설명을 생략한다. Hereinafter, a nano-metal-carbon fiber shielding tape manufacturing apparatus according to a second embodiment of the present invention will be described in detail. In the second embodiment, in order to prevent aggregation of nanometals in the thermoplastic resin solution, the nanometals are not mixed in the thermoplastic resin solution and discharged, but are discharged onto the carbon fibers before the thermoplastic resin solution. The same reference numerals are assigned to the same components as those of the first embodiment, and descriptions thereof are omitted.

도 7에 도시된 바와 같이, 본 발명의 제2실시예에 따른 나노금속-탄소섬유 차폐 테이프 제조장치(2)는, 공급유닛(10), 스프레딩유닛(20), 분산유닛(200), 토출유닛(30), 가압유닛(40), 회수유닛(50)으로 구성된다.7, the nano-metal-carbon fiber shielding tape manufacturing apparatus 2 according to the second embodiment of the present invention includes a supply unit 10, a spreading unit 20, a dispersing unit 200, It consists of a discharge unit 30 , a pressurization unit 40 , and a recovery unit 50 .

나노금속-탄소섬유 차폐 테이프(CT)는 공급유닛(10), 스프레딩유닛(20), 분산유닛(200), 토출유닛(30), 가압유닛(40)을 거쳐서 만들어져, 회수유닛(50)에 의해 회수된다.The nano-metal-carbon fiber shielding tape (CT) is made through a supply unit 10, a spreading unit 20, a dispersion unit 200, a discharge unit 30, and a pressure unit 40, and a recovery unit 50 is recovered by

공급유닛(10), 스프레딩유닛(20), 회수유닛(50)은 제1실시예에서 설명하였으므로, 그 설명을 생략한다.Since the supply unit 10, the spreading unit 20, and the recovery unit 50 have been described in the first embodiment, their description will be omitted.

분산유닛(200)은 펼쳐진 탄소섬유들의 위쪽에서 나노금속 또는 나노금속 수용액을 토출하여, 펼쳐진 탄소섬유들의 상면과 사이사이에 분산시킨다.The dispersing unit 200 discharges the nano-metal or nano-metal aqueous solution from above the unfolded carbon fibers, and disperses them between the upper surfaces of the unfolded carbon fibers and between them.

분산유닛(200)은 제1분산부(210), 제2분산부(220), 제3분산부(230), 불활성가스공급부(240), 히터(250)로 구성된다.The dispersing unit 200 includes a first dispersing unit 210 , a second dispersing unit 220 , a third dispersing unit 230 , an inert gas supply unit 240 , and a heater 250 .

제1분산부(210)는, 분산용기(211), 노즐(212), 회수용기(213), 순환펌프(214), 튜브(215)로 구성된다. 제2분산부(220), 제3분산부(230)도 동일한 구성을 가진다.The first dispersion unit 210 includes a dispersion container 211 , a nozzle 212 , a recovery container 213 , a circulation pump 214 , and a tube 215 . The second distribution unit 220 and the third distribution unit 230 also have the same configuration.

분산용기(211)에는 나노금속 또는 나노금속 수용액이 담긴다. 나노금속은 파우더 형태를 가진다. 본 실시예에서는 분산용기(211)에 나노금속 수용액(L)이 담긴다. 나노금속 수용액은, 3wt% 미만의 물 또는 유기용매(에탄올, 아세톤, MEK, IPA)에 나노금속이 분산된 형태를 가진다. 나노금속 수용액 형태로 분산용기(211)에 나노금속을 넣으면, 분산용기(211) 안에서 나노금속이 쉽게 산화되는 것을 막을 수 있다.The dispersion container 211 contains a nano-metal or a nano-metal aqueous solution. Nanometals have a powder form. In this embodiment, the nano-metal aqueous solution (L) is contained in the dispersion container (211). The aqueous nanometal solution has a form in which the nanometal is dispersed in less than 3wt% of water or an organic solvent (ethanol, acetone, MEK, IPA). When the nano-metal is put into the dispersion container 211 in the form of an aqueous nano-metal solution, it is possible to prevent the nano-metal from being easily oxidized in the dispersion container 211 .

노즐(212)은 펼쳐진 탄소섬유들의 위쪽에서 나노금속 또는 나노금속 수용액을 토출하여, 펼쳐진 탄소섬유(CF)들 상면과 사이사이에 분산시킨다. 나노금속 또는 나노금속 수용액의 토출량, 토출회수에 따라, 탄소섬유(CF)들 상면과 사이사이에 분산되는 나노금속의 양을 조절할 수 있다.The nozzle 212 discharges nano-metal or an aqueous nano-metal solution from the top of the spread carbon fibers, and disperses it between the upper surfaces of the spread carbon fibers (CF) and between them. According to the discharge amount and number of discharges of the nano-metal or nano-metal aqueous solution, the amount of nano-metal dispersed between the upper surface and between the carbon fibers (CF) can be adjusted.

회수용기(213)는 탄소섬유(CF)들 상면과 사이사이에 분산되고 남은 나노금속 또는 나노금속 수용액을 회수한다. 한편, 회수용기(213)에 흡입장치(미도시)를 더 두어, 나노금속 또는 나노금속 수용액을 적극적으로 빨아들여 회수할 수 있다. 이때, 흡입장치의 흡입력을 조절하면, 탄소섬유(CF)들 상면과 사이사이에 남게 되는 나노금속의 비율을 조절할 수 있다. 즉, 흡입력이 셀수록 탄소섬유(CF)들 사이에 나노금속이 더 많이 남게 되고, 흡입력이 약할수록 탄소섬유(CF) 상면에 나노금속이 더 많이 남게 된다. The recovery container 213 recovers the nano-metal or nano-metal aqueous solution remaining after being dispersed between the upper surface and the space of the carbon fibers (CF). On the other hand, by further providing a suction device (not shown) in the recovery container 213, it is possible to actively absorb the nano-metal or nano-metal aqueous solution and recover it. At this time, if the suction power of the suction device is adjusted, it is possible to control the ratio of the nanometal remaining between the upper surface of the carbon fibers (CF) and between them. That is, as the suction power increases, more nanometals remain between the carbon fibers (CF), and as the suction power decreases, more nanometals remain on the upper surface of the carbon fibers (CF).

순환펌프(214)는 회수된 나노금속 또는 나노금속 수용액을 튜브(215)를 통해, 회수용기(213)로 다시 보낸다. 이로 인해, 나노금속 또는 나노금속 수용액의 낭비를 없앨 수 있다.The circulation pump 214 sends the recovered nano-metal or nano-metal aqueous solution back to the recovery container 213 through the tube 215 . Due to this, it is possible to eliminate the waste of the nano-metal or nano-metal aqueous solution.

불활성가스공급부(240)는 분산용기(211)에 불활성 가스를 공급하여, 나노금속이 산화되고 응집되는 것을 막는다.The inert gas supply unit 240 supplies the inert gas to the dispersion container 211 to prevent the nano-metal from being oxidized and agglomerated.

제1분산부(210)에는 큰 입경(50~100nm)을 가진 나노금속을, 제2분산부(220)에는 중간 입경(30~50nm)을 가진 나노금속을, 제3분산부(230)에는 작은 입경(10~30nm)을 가진 나노금속을 각각 넣어서, 순차적으로 펼쳐진 탄소섬유들의 상면과 사이사이에 분산시킨다. 그러면, 큰 입경(50~100nm)을 가진 나노금속이 탄소섬유들의 상면과 사이사이에 먼저 분산되고, 그 남은 공간을 중간 입경(30~50nm)을 가진 나노금속이 채우고, 다시 남은 공간을 작은 입경(10~30nm)을 가진 나노금속이 채울 수 있다. 이로 인해, 탄소섬유들의 상면과 사이사이에 나노금속이 골고루 분포될 수 있다.Nanometals having a large particle diameter (50-100 nm) in the first dispersion part 210, nanometals having a medium particle diameter (30-50 nm) in the second dispersion part 220, and in the third dispersion part 230 Nanometals with small particle diameters (10 to 30 nm) are each put in and dispersed between the top surface and between the sequentially unfolded carbon fibers. Then, the nanometal with a large particle diameter (50-100 nm) is first dispersed between the upper surface and between the carbon fibers, the remaining space is filled with the nano-metal with a medium particle diameter (30-50 nm), and the remaining space is filled with a small particle diameter Nanometals with (10-30 nm) can be filled. Due to this, the nano-metal can be evenly distributed between the upper surface of the carbon fibers and between them.

히터(240)는 탄소섬유들의 상면과 사이사이에 남아 있는 나노금속 수용액에서, 수용액을 250℃ 미만에서 1분 정도 가열하여 나노금속 만을 남긴다. 다만, 분산유닛(200)이 나노금속 수용액이 아닌 나노금속을 탄소섬유들의 상면과 사이사이에 토출할 경우에는, 히터(240)는 작동하지 않는다.The heater 240 heats the aqueous solution at less than 250° C. for about 1 minute in the aqueous nano-metal solution remaining between the upper surface of the carbon fibers and leaves only the nano-metal. However, when the dispersion unit 200 discharges the nano-metal rather than the nano-metal aqueous solution between the upper surface and the space of the carbon fibers, the heater 240 does not operate.

토출유닛(30)은 나노금속이 상면과 사이사이에 분산된 탄소섬유들의 위쪽에서 열가소성수지 용융액을 토출한다. 토출유닛(30)의 구성은 제1실시예의 토출유닛(30)과 동일하므로 자세한 설명을 생략한다.The discharge unit 30 discharges the thermoplastic resin melt from the upper surface of the carbon fibers dispersed between the nano-metal and the upper surface. Since the configuration of the discharge unit 30 is the same as that of the discharge unit 30 of the first embodiment, a detailed description thereof will be omitted.

가압유닛(40)은 나노금속이 상면과 사이사이에 분산된 탄소섬유들 위에 토출된 열가소성수지 용융액을 가압해서, 탄소섬유들의 상면과 사이사이에 분포시킨다. 가압유닛(40)의 구성은 제1실시예의 가압유닛(40)과 동일하므로 자세한 설명을 생략한다.The pressurization unit 40 pressurizes the thermoplastic resin melt discharged on the carbon fibers in which the nano-metal is dispersed on the upper surface and between the upper surfaces and distributes it between the upper surfaces and between the carbon fibers. Since the configuration of the pressurization unit 40 is the same as that of the pressurization unit 40 of the first embodiment, a detailed description thereof will be omitted.

공급유닛(10)에서 공급된 탄소섬유(CF)들은, 스프레딩유닛(20), 분산유닛(200), 토출유닛(30), 가압유닛(40), 상온 냉각구간(P)을 거쳐 나노금속-탄소섬유 차폐 테이프(CT)로 만들어져, 회수유닛(50)에 의해 회수된다.Carbon fibers (CF) supplied from the supply unit 10, the spreading unit 20, the dispersion unit 200, the discharge unit 30, the pressure unit 40, the room temperature cooling section (P) through the nano-metal - It is made of carbon fiber shielding tape (CT), and is recovered by the recovery unit (50).

제2실시예에 의해 제조된 나노금속-탄소섬유 차폐 테이프(CT)는, 제1실시예에 의해 제조된 나노금속-탄소섬유 차폐 테이프(CT) 보다, 나노금속의 뭉침 현상이 줄어들어, 나노금속이 탄소섬유들 상면과 사이사이에 균일하게 분포될 수 있다.The nano-metal-carbon fiber shielding tape (CT) prepared by the second embodiment, the nano-metal-carbon fiber shielding tape (CT) prepared by the first embodiment, has less aggregation of the nano-metal than the nano-metal These carbon fibers can be uniformly distributed between the upper surface and between them.

이하, 본 발명의 제3실시예에 따른 나노금속-탄소섬유 차폐 테이프 제조장치를 자세히 설명한다.Hereinafter, a nano-metal-carbon fiber shielding tape manufacturing apparatus according to a third embodiment of the present invention will be described in detail.

제3실시예는, 제2실시예에, 센서로 나노금속 분산도를 감지하고, 초음파진동기로 진동을 누어, 미처 분산되지 못한 나노금속을 한 번 더 분산시키는 진동유닛을 더 포함한다. 제2실시예와 동일한 구성에는 동일한 도면부호를 부여하고, 그 설명을 생략한다. The third embodiment further includes, in the second embodiment, a vibration unit that detects the degree of dispersion of nanometals with a sensor and suppresses vibrations with an ultrasonic vibrator to disperse the nanometals that have not been dispersed once more. The same reference numerals are assigned to the same components as in the second embodiment, and descriptions thereof are omitted.

도 8에 도시된 바와 같이, 본 발명의 제3실시예에 따른 나노금속-탄소섬유 차폐 테이프 제조장치(3)는, 공급유닛(10), 스프레딩유닛(20), 분산유닛(200), 진동유닛(300), 토출유닛(30), 가압유닛(40), 회수유닛(50)으로 구성된다.As shown in FIG. 8, the nano-metal-carbon fiber shielding tape manufacturing apparatus 3 according to the third embodiment of the present invention includes a supply unit 10, a spreading unit 20, a dispersing unit 200, It is composed of a vibration unit 300 , a discharge unit 30 , a pressurization unit 40 , and a recovery unit 50 .

공급유닛(10), 스프레딩유닛(20), 분산유닛(200), 토출유닛(30), 가압유닛(40), 회수유닛(50)은 제2실시예에서 설명하였으므로, 그 설명을 생략한다.Since the supply unit 10, the spreading unit 20, the dispersion unit 200, the discharge unit 30, the pressurization unit 40, and the recovery unit 50 have been described in the second embodiment, the description thereof will be omitted. .

진동유닛(300)은 탄소섬유들의 상면과 사이사이에 분산된 나노금속의 분산도를 감지하는 센서(310)와, 센서(310)로부터 신호를 받아 나노금속의 분산도를 판단하는 제어부(320)와, 나노금속을 다시 한번 분산시키는 초음파진동기(330)로 구성된다. 센서(310)는 광센서로 구성된다. 제어부(320)는 나노 금속의 분산도가 설정된 분산도에 미치지 못할 경우, 초음파진동기(330)에 나노금속을 분산시키라고 지시한다. 초음파진동기(330)는 초음파 진동을 주어, 나노금속을 분산시킨다.The vibration unit 300 includes a sensor 310 that detects the degree of dispersion of the nano-metal dispersed between the upper surface of the carbon fibers and a controller 320 that receives a signal from the sensor 310 and determines the degree of dispersion of the nano-metal. and an ultrasonic vibrator 330 for dispersing the nano-metal once again. The sensor 310 is configured as an optical sensor. The controller 320 instructs the ultrasonic vibrator 330 to disperse the nanometal when the dispersion degree of the nanometal does not reach the set dispersion degree. The ultrasonic vibrator 330 applies ultrasonic vibration to disperse the nanometal.

공급유닛(10)에서 공급된 탄소섬유(CF)들은, 스프레딩유닛(20), 분산유닛(200), 진동유닛(300), 토출유닛(30), 가압유닛(40), 상온 냉각구간(P)을 거쳐 나노금속-탄소섬유 차폐 테이프(CT)로 만들어져, 회수유닛(50)에 의해 회수된다.Carbon fibers (CF) supplied from the supply unit 10, the spreading unit 20, the dispersion unit 200, the vibration unit 300, the discharge unit 30, the pressurization unit 40, the room temperature cooling section ( Through P), the nano-metal-carbon fiber shielding tape (CT) is made, and is recovered by the recovery unit (50).

제3실시예에 의해 제조된 나노금속-탄소섬유 차폐 테이프(CT)는, 제2실시예에 의해 제조된 나노금속-탄소섬유 차폐 테이프(CT) 보다, 나노금속이 탄소섬유들 상면과 사이사이에 균일하게 분포될 수 있다.The nano-metal-carbon fiber shielding tape (CT) prepared according to the third embodiment, rather than the nano-metal-carbon fiber shielding tape (CT) prepared according to the second embodiment, has a nano-metal between the upper surface of the carbon fibers and the space between them can be uniformly distributed.

1,2,3: 나노금속-탄소섬유 차폐 테이프 제조장치
10: 공급유닛 20: 스프레딩유닛
30: 토출유닛 40: 가압유닛
50: 회수유닛 200; 분산유닛
300: 진동유닛 CF: 탄소섬유
CT: 나노금속-탄소섬유 차폐 테이프
NM: 나노금속 L: 나노금속 수용액
TPP: 열가소성 수지 펠렛 TPM: 열가소성 수지 용융액1,2,3: Nano metal-carbon fiber shielding tape manufacturing device
10: supply unit 20: spreading unit
30: discharge unit 40: pressurization unit
50: recovery unit 200; distributed unit
300: vibration unit CF: carbon fiber
CT: Nanometal-Carbon Fiber Shielding Tape
NM: Nanometal L: Nanometal aqueous solution
TPP: thermoplastic resin pellets TPM: thermoplastic resin melt

Claims (4)

삭제delete 금속코팅 탄소섬유를 사용하지 않고도, 이와 동등한 전자파 차폐 효과를 내는 탄소섬유테이프를 제조해 내기 위하여,
길이방향으로 탄소섬유들을 공급하는 공급유닛;
상기 탄소섬유들을 폭 방향으로 펼치는 스프레딩유닛;
펼쳐진 상기 탄소섬유들의 위쪽에서 나노금속 또는 나노금속 수용액만을 토출하여, 펼쳐진 상기 탄소섬유들의 상면과 사이사이에 분산시키는 분산유닛;
상기 나노금속이 상면과 사이사이에 분산된 탄소섬유들의 위쪽에서 열가소성수지 용융액만을 토출하는 토출유닛;
상기 나노금속이 상면과 사이사이에 분산된 탄소섬유들 위에 토출된 열가소성수지 용융액을 가압해서, 상기 탄소섬유들의 상면과 사이사이에 분포시키는 가압유닛;
상기 나노금속과 상기 열가소성수지 용융액이 상면과 사이사이에 균일하게 분포된 탄소섬유들이, 상온 냉각구간을 거쳐 냉각되어 만들어진, 탄소섬유테이프를 회수하는 회수유닛을 포함하며,
상기 분산유닛이 상기 나노금속 또는 상기 나노금속 수용액만을 먼저 토출하고 난 후, 상기 토출유닛이 상기 열가소성수지 용융액만을 토출함으로써, 상기 나노금속이 상기 열가소성 수지 용액 안에서 뭉치는 현상을 없애는 것을 특징으로 하는 나노금속-탄소섬유 차폐 테이프 제조장치.In order to manufacture a carbon fiber tape that has an electromagnetic wave shielding effect equivalent to this without using metal-coated carbon fiber,
a supply unit for supplying carbon fibers in the longitudinal direction;
a spreading unit that spreads the carbon fibers in a width direction;
a dispersing unit discharging only the nano-metal or nano-metal aqueous solution from above the unfolded carbon fibers, and dispersing them between the upper surfaces of the unfolded carbon fibers and between them;
a discharging unit discharging only the thermoplastic resin melt from the upper surface of the carbon fibers having the nano-metal dispersed therebetween;
a pressing unit that pressurizes the thermoplastic resin melt discharged on the carbon fibers in which the nano-metal is dispersed between the upper surface and between the upper surface and distributes it between the upper surface of the carbon fibers;
and a recovery unit for recovering carbon fiber tapes made by cooling the carbon fibers uniformly distributed between the nanometal and the thermoplastic resin melt on the upper surface and between them through a room temperature cooling section,
After the dispersing unit discharges only the nanometal or the nanometal aqueous solution first, the discharging unit discharges only the thermoplastic resin melt, thereby eliminating a phenomenon in which the nanometal is agglomerated in the thermoplastic resin solution. Metal-carbon fiber shielding tape manufacturing equipment. 제2항에 있어서,
상기 탄소섬유들의 상면과 사이사이에 분산된 나노금속의 분산도를 감지하는 센서와, 상기 센서로부터 신호를 받아 나노금속의 분산도를 판단하는 제어부와, 상기 제어부로부터 신호를 받아 나노금속을 다시 한번 분산시키는 초음파진동기로 구성된 진동유닛를 더 포함하는 것을 특징으로 하는 나노금속-탄소섬유 차폐 테이프 제조장치.3. The method of claim 2,
A sensor for detecting the degree of dispersion of the nanometal dispersed between the upper surface of the carbon fibers and a controller for determining the degree of dispersion of the nanometal by receiving a signal from the sensor; Nanometal-carbon fiber shielding tape manufacturing apparatus, characterized in that it further comprises a vibration unit composed of an ultrasonic vibrator for dispersing. 제2항의 나노금속-탄소섬유 차폐 테이프 제조장치로 제조된 나노금속-탄소섬유 차폐 테이프.The nano-metal-carbon fiber shielding tape manufactured by the nano-metal-carbon fiber shielding tape manufacturing apparatus of claim 2 .
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013012206A1 (en) 2013-07-16 2015-01-22 Lohmann Gmbh & Co. Kg Process for the production of molded parts by means of adhesive strips

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150132190A (en) * 2013-03-22 2015-11-25 오리진 일렉트릭 캄파니 리미티드 Composite-material joining device, method for producing joined body, and joined body
KR20180012952A (en) * 2016-07-28 2018-02-07 권원현 Carbon composite material and method for manufacturing thereof
KR102002012B1 (en) 2018-01-17 2019-07-24 주식회사 에이치지솔루션 Carbon fiber bunble for shielding electromagnetic wave and method for manufacturing the same
KR102010366B1 (en) 2018-02-14 2019-08-14 전주대학교 산학협력단 Method for producing metal-coated carbon fiber
KR102029005B1 (en) * 2018-04-20 2019-11-08 재단법인 한국탄소융합기술원 Apparatus for manufacturing carbon fiber tape for shielding electromagnetic wave
KR20200082273A (en) 2018-12-28 2020-07-08 (주)다인스 Metal Coated Carbon Fiber And Fabricating Method Thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150132190A (en) * 2013-03-22 2015-11-25 오리진 일렉트릭 캄파니 리미티드 Composite-material joining device, method for producing joined body, and joined body
KR20180012952A (en) * 2016-07-28 2018-02-07 권원현 Carbon composite material and method for manufacturing thereof
KR102002012B1 (en) 2018-01-17 2019-07-24 주식회사 에이치지솔루션 Carbon fiber bunble for shielding electromagnetic wave and method for manufacturing the same
KR102010366B1 (en) 2018-02-14 2019-08-14 전주대학교 산학협력단 Method for producing metal-coated carbon fiber
KR102029005B1 (en) * 2018-04-20 2019-11-08 재단법인 한국탄소융합기술원 Apparatus for manufacturing carbon fiber tape for shielding electromagnetic wave
KR20200082273A (en) 2018-12-28 2020-07-08 (주)다인스 Metal Coated Carbon Fiber And Fabricating Method Thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013012206A1 (en) 2013-07-16 2015-01-22 Lohmann Gmbh & Co. Kg Process for the production of molded parts by means of adhesive strips

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