KR100868954B1 - Method for manufacturing extruding materials using ptff in use of a cable - Google Patents

Method for manufacturing extruding materials using ptff in use of a cable Download PDF

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KR100868954B1
KR100868954B1 KR1020080069445A KR20080069445A KR100868954B1 KR 100868954 B1 KR100868954 B1 KR 100868954B1 KR 1020080069445 A KR1020080069445 A KR 1020080069445A KR 20080069445 A KR20080069445 A KR 20080069445A KR 100868954 B1 KR100868954 B1 KR 100868954B1
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South Korea
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ptfe
mixture
powder
lubricant
cable
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KR1020080069445A
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Korean (ko)
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정환택
정용택
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(주)세명
정환택
정용택
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18—Homopolymers or copolymers or tetrafluoroethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • 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
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing 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
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0041—Optical brightening agents, organic pigments
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/307—Other macromolecular compounds

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

A method for manufacturing extrusion materials using PTFE for a cable is provided to form the desire shape by mixing and aging PTFE powder and color material. A method for manufacturing extrusion materials using PTFE for a cable comprises a step(S110) for preparing polytetrafluoroethylene powder; a step(S120) for manufacturing a mixture by adding a lubricant and color material in the PTFE powder; a step(S130) for aging the mixture; and a step for forming the hollow PTFE extrusion materials by foaming the aged mixture.

Description

케이블용 ＰＴＦＥ 압출소재의 제조방법 {Method for manufacturing extruding materials using PTFF in use of a cable}Method for manufacturing extruding materials using PTFF in use of a cable

본 발명은 케이블용 PTFE 압출소재의 제조방법에 관한 것으로서, 보다 상세하게는 색상이 조절될 수 있는 케이블용 PTFE 압출소재의 제조방법에 관한 것이다.The present invention relates to a method for producing a PTFE extruded material for a cable, and more particularly to a method for producing a PTFE extruded material for a cable that can be adjusted in color.

종래의 케이블은 액화된 합성수지와 색상을 가지는 액상 물질을 혼합하여 제조된다. 하지만, 상기의 제조 방법은 공정이 복잡한 문제점이 있을 뿐만 아니라, 폴리 테트라 플루오르 에틸렌(Poly Tetra Fluoro Ethylene, 이하 'PTFE'이라 함) 소재의 이용이 어렵다는 문제점이 있다.Conventional cables are manufactured by mixing liquefied synthetic resin with a colored liquid material. However, the above manufacturing method has a problem in that the process is complicated, and it is difficult to use poly tetra fluoro ethylene (hereinafter, referred to as 'PTFE') material.

본 발명은 색상이 조절될 수 있는 케이블용 PTFE 압출소재의 제조방법을 제공하는 것을 목적으로 한다.An object of the present invention is to provide a method for producing a PTFE extruded material for a cable that can be adjusted in color.

본 발명은, 폴리 테트라 플루오르 에틸렌 분말을 준비하는 단계와, 상기 PTFE 분말에 윤활제 및 색상 물질을 추가하여 혼합물을 제조하는 단계와, 상기 혼합물을 숙성시키는 단계와, 상기 숙성된 혼합물을 포밍하는 단계를 포함하는 케이블용 PTFE 압출소재의 제조방법을 제공한다.The present invention provides a method of preparing a polytetrafluoroethylene powder, adding a lubricant and a color material to the PTFE powder, preparing a mixture, aging the mixture, and forming the matured mixture. It provides a method for producing a PTFE extruded material for a cable comprising.

본 발명에 있어서, 상기 혼합물을 제조하는 단계는, 상기 윤활제에 상기 PTFE 분말을 배합하는 단계와, 상기 배합된 PFTE 분말에 상기 색상 물질을 첨가하는 단계와, 상기 PTFE 분말, 상기 윤활제 및 상기 색상 물질을 혼합하여 상기 혼합물을 제조하는 단계를 포함할 수 있다. 이 때, 상기 윤활제는 상기 PTFE 분말에 대하여 25wt.% 내지 35wt.%의 비율을 가지는 액상 윤활제이고, 상기 색상 물질은 상기 PTFE 분말 1㎏에 대하여 2g 내지 8g의 비율을 가지는 액상 물질일 수 있다.In the present invention, the step of preparing the mixture comprises the step of blending the PTFE powder to the lubricant, adding the color material to the blended PFTE powder, the PTFE powder, the lubricant and the color material It may comprise the step of preparing the mixture by mixing. At this time, the lubricant is a liquid lubricant having a ratio of 25wt.% To 35wt.% With respect to the PTFE powder, the color material may be a liquid material having a ratio of 2g to 8g with respect to 1kg of the PTFE powder.

또한, 본 발명에 있어서, 상기 숙성 단계에서는, 숙성 시간이 12 시간 내지 20 시간이고, 숙성 온도는 20 ℃ 내지 30 ℃일 수 있다.In addition, in the present invention, in the aging step, the aging time is 12 hours to 20 hours, the aging temperature may be 20 ℃ to 30 ℃.

또한, 본 발명에 있어서, 상기 포밍 단계는, 가이드축이 내부에 삽입되어 배치되는 포밍기 실린더를 준비하는 단계와, 상기 숙성된 혼합물을 상기 포밍기 실린더 내에 채우는 단계와, 상기 숙성된 혼합물을 가열하면서, 압축판을 상기 가이드축에 삽입시킨 상태로 상기 가이드축을 따라 이동시켜서 상기 숙성된 혼합물을 압축하여, 중공의 원통형 PTFE 압출소재를 형성하는 단계를 포함할 수 있다.Also, in the present invention, the forming step includes the steps of preparing a forming machine cylinder having a guide shaft inserted therein, filling the matured mixture into the forming machine cylinder, and heating the matured mixture. While compressing the matured mixture by moving the compression plate along the guide shaft while being inserted into the guide shaft, it may include forming a hollow cylindrical PTFE extruded material.

본 발명에 따른 케이블용 PTFE 압출소재의 제조방법에서는, PTFE 분말 및 색상 물질을 혼합하고 숙성하여, 설정된 형상으로 포밍할 수 있다. 이 때, 상기 색상 물질을 선택적으로 첨가하여, 수요자가 요청하는 색을 낼 수 있다. In the method for producing a PTFE extruded material for a cable according to the present invention, the PTFE powder and the color material may be mixed and aged to form a predetermined shape. At this time, the color material may be selectively added to produce a color requested by the consumer.

상기와 같이, 다양한 색의 PTFE 압출소재를 용이하게 제조할 수 있는 바, 비 용이 절감되고 제조장치가 단순해지는 효과가 있다.As described above, it is possible to easily produce a PTFE extrusion material of various colors, there is an effect that the cost is reduced and the manufacturing apparatus is simplified.

도 1에 본 발명의 일 실시예에 따른 케이블용 PTFE 압출소재의 제조 방법을 순차적으로 보여주는 순서도가 도시되어 있다. 1 is a flow chart showing sequentially a method for producing a PTFE extruded material for a cable according to an embodiment of the present invention.

도 1을 참조하면, 먼저 PTFE 분말을 준비한다(S110 단계). 상기 PTFE 분말을 8 메쉬 내지 10 메쉬의 채로 걸러서, 고운 PTFE 분말을 분리하여 획득한다. 상기 획득한 PTFE 분말을 용기에 담는다.Referring to Figure 1, first to prepare a PTFE powder (step S110). The PTFE powder is filtered with 8 to 10 mesh to obtain fine PTFE powder separately. The obtained PTFE powder is placed in a container.

그 후, 상기 걸러진 PTFE 분말을 이용하여 혼합 물질을 제조한다(S120 단계). 이하, 상세하게 설명한다.Thereafter, a mixed material is prepared using the filtered PTFE powder (step S120). Hereinafter, it demonstrates in detail.

상기 용기에 윤활제를 넣어서, 상기 윤활제에 상기 PTFE 분말을 배합한다(S121 단계). 상기 윤활제는 추후 포밍 공정에서 깨짐을 방지한다. 상기 PTFE 분말에 대하여 25wt.% 내지 35wt.%의 비율의 액상 윤활제가 배합된다. 상기 배합은 10 ℃ 내지 20 ℃, 습도 30 % 내지 60 %에서 수행된다.The lubricant is put in the container, and the PTFE powder is blended with the lubricant (step S121). The lubricant prevents cracking in a later forming process. A liquid lubricant is blended in a proportion of 25 wt.% To 35 wt.% With respect to the PTFE powder. The blending is carried out at 10 ° C. to 20 ° C., humidity 30% to 60%.

상기 윤활제는 0.5 CP(centipoises) 내지 5 CP의 점도를 가진다. 상기 윤활제는 다양한 종류가 이용될 수 있으며, 당업자 사이에서 일반적으로 사용되는 윤활제들(상표명 Naphtha, ISOPAR, VM&P 등)이 이용될 수 있다.The lubricant has a viscosity of 0.5 CP (centipoises) to 5 CP. Various kinds of lubricants may be used, and lubricants commonly used by those skilled in the art (trade names Naphtha, ISOPAR, VM & P, etc.) may be used.

그 후, 상기 배합된 PTFE 분말에 색상 물질을 첨가한다(S123 단계). 상기 색상 물질은 , 수요자에 의하여 요구되는 색상을 낼 수 있는 액상의 물질이다. 상기 색상 물질을 상기 PTFE 분말 1㎏에 대하여 2g 내지 8g의 비율로 첨가한다.Then, the color material is added to the blended PTFE powder (step S123). The color material is a liquid material capable of producing the color required by the consumer. The color material is added in a ratio of 2 g to 8 g per 1 kg of the PTFE powder.

상기 용기 내에서 상기 PTFE 분말, 상기 윤활제 및 상기 색상 물질을 혼합한 다. 혼합 시간은 10분 내지 30분이며, 상기 용기를 20 rpm 내지 80 rpm으로 회전하여 혼합하면서, 혼합물을 제조한다(S125 단계).The PTFE powder, the lubricant and the color material are mixed in the vessel. Mixing time is 10 minutes to 30 minutes, while mixing the vessel by rotating at 20 rpm to 80 rpm, to prepare a mixture (step S125).

상기 혼합물의 제조가 완료되면, 상기 용기를 오븐에 넣어서 숙성시킨다(S130 단계). 숙성 시간은 12 시간 내지 20 시간이며, 숙성 온도는 20 ℃ 내지 30 ℃이다. 상기 숙성에 의하여, 상기 PTFE 분말, 상기 윤활제 및 상기 색상 물질은 화학적으로 안정한 상태가 된다.When the preparation of the mixture is completed, the container is put into an oven to mature (S130 step). Aging time is 12 to 20 hours, and aging temperature is 20 ° C to 30 ° C. By the aging, the PTFE powder, the lubricant and the color material are brought into a chemically stable state.

그 후, 상기 숙성된 혼합물을 포밍한다(S140 단계). 이하, 상세하게 도 2 내지 도 6을 참조하여 상세하게 설명한다.Thereafter, the matured mixture is foamed (step S140). Hereinafter, the present invention will be described in detail with reference to FIGS. 2 to 6.

도 2를 참조하면, 포밍장치(100)를 준비한다(S141 단계). 상기 포밍장치(100)는 포밍기 실린더(110)를 포함한다. 상기 포밍기 실런더(110) 내에는 가이드축(120)이 삽입 고정되어 있다. 상기 혼합물(140)을 상기 포밍기 실린더(110) 내에 채운다(도 3 참조)(S143 단계). 2, the forming apparatus 100 is prepared (step S141). The forming apparatus 100 includes a forming machine cylinder 110. The guide shaft 120 is inserted and fixed in the forming machine cylinder 110. The mixture 140 is filled in the foamer cylinder 110 (see FIG. 3) (step S143).

도 4를 참조하면, 상기 혼합물(140)을 가열한다. 상기 가열은 다양한 방법을 이용하여 수행될 수 있다. 상기 포밍기 실린더(110)를 직접 가열할 수도 있다. 하지만, 상기 포밍기 실린더(110)를 가열 히터가 작동되는 장치 내부에 배치하여, 상기 포밍기 실린더(110)를 간접적으로 가열할 수도 있다.Referring to FIG. 4, the mixture 140 is heated. The heating can be performed using various methods. The foamer cylinder 110 may be directly heated. However, the foamer cylinder 110 may be disposed inside the apparatus in which the heating heater is operated to indirectly heat the foamer cylinder 110.

상기 가열이 수행되는 동안, 압축판(130)을 상기 가이드축(120)에 삽입시킨 상태로, 상기 가이드축(120)을 따라 하강 이동시킨다. 상기 압축판(130)의 이동에 의하여, 상기 혼합물(140)이 점차 압축된다(S145 단계). 도 4를 참조하면, 상기 압축판(130)이 이동하면서 상기 혼합물(140)을 압축하는 상태가 도시되어 있다.While the heating is performed, the compression plate 130 is moved downward along the guide shaft 120 while being inserted into the guide shaft 120. By the movement of the compression plate 130, the mixture 140 is gradually compressed (step S145). Referring to FIG. 4, a state in which the compression plate 130 is compressed to compress the mixture 140 is shown.

30 분 내지 60 분 압축을 수행하면, 도 5에 도시된 바와 같이, 상기 PTFE 분말들 사이에 있는 기포가 외부로 제거된다. 그리고, 상기 압축판(130) 및 상기 가이드축(120)을 제거하면, 중공의 원통형 PTFE 압출 소재(150)가 완성된다(도 6 참조). 이 때, 상기 PTFE 압출 소재(150)는 상기 색상 물질에 의하여, 수요자에 의해 요구되는 색을 가진다.Performing a 30-60 minute compression removes the bubbles between the PTFE powders to the outside, as shown in FIG. 5. Then, when the compression plate 130 and the guide shaft 120 is removed, a hollow cylindrical PTFE extruded material 150 is completed (see FIG. 6). At this time, the PTFE extruded material 150 has a color required by the consumer by the color material.

상기 PTFE 압출 소재(150)는 동축 케이블 등과 같은 케이블의 피복 소재를 제조하는 중간 소재로 이용될 수 있다. 따라서, 상기 PTFE 압출 소재의 색상이 다양하게 제조될 수 있기 때문에, 케이블의 피복도 다양한 색으로 형성될 수 있다.The PTFE extruded material 150 may be used as an intermediate material for manufacturing a coating material of a cable such as a coaxial cable. Therefore, since the color of the PTFE extruded material can be produced in various ways, the sheath of the cable can be formed in various colors.

본 발명은 도면에 도시된 실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 본 기술 분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 다른 실시예가 가능하다는 점을 이해할 것이다. 따라서, 본 발명의 진정한 기술적 보호 범위는 첨부된 특허청구범위의 기술적 사상에 의하여 정해져야 할 것이다.Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

도 1은 본 발명의 일 실시예에 따른 케이블용 PTFE 압출소재의 제조 방법을 순차적으로 보여주는 순서도이다.1 is a flow chart sequentially showing a method of manufacturing a PTFE extruded material for a cable according to an embodiment of the present invention.

도 2는 혼합물을 포밍하기 위한 포밍장치의 개략적인 부분 절개 사시도이다.2 is a schematic partial cutaway perspective view of a forming apparatus for forming a mixture.

도 3은 도 2의 포밍장치의 포밍기 실린더 내에 혼합물이 투입된 상태가 도시된 부분 절개 사시도이다.3 is a partially cutaway perspective view illustrating a state in which a mixture is introduced into a forming machine cylinder of the forming apparatus of FIG. 2.

도 4는 도 3에 도시된 압축판이 이동하면서, 혼합물을 압축하는 상태가 도시된 개략적인 부분 절개 사시도이다.FIG. 4 is a schematic partial cutaway perspective view illustrating a state in which the compression plate illustrated in FIG. 3 moves while compressing the mixture. FIG.

도 5는 도 4의 압축 상태에서 기포가 외부로 제거되는 상태를 도시된 부분 절개 개략적인 사시도이다.FIG. 5 is a partial perspective schematic perspective view illustrating a state in which bubbles are removed to the outside in the compressed state of FIG. 4.

도 6은 도 1의 제조방법에 따라 제조된 PTFE 압출소재의 일 예의 사시도이다.6 is a perspective view of one example of the PTFE extruded material prepared according to the manufacturing method of FIG.

< 도면의 주요부분에 대한 부호의 간단한 설명 ><Brief description of symbols for the main parts of the drawings>

100: 포밍장치 110:포밍기 실린더100: forming apparatus 110: forming machine cylinder

120: 가이드축 130: 압축판120: guide shaft 130: compression plate

140: 혼합물 150: PTFE 압출소재140: Mixture 150: PTFE Extruded Material

Claims (5)

폴리 테트라 플루오르 에틸렌(이하, 'PTFE'라 함) 분말을 준비하는 단계;Preparing a polytetrafluoroethylene (hereinafter referred to as 'PTFE') powder; 상기 PTFE 분말에 윤활제 및 색상 물질을 추가하여 혼합물을 제조하는 단계;Adding a lubricant and a color material to the PTFE powder to prepare a mixture; 상기 혼합물을 숙성시키는 단계; 및Aging the mixture; And 상기 숙성된 혼합물을 포밍하여 중공의 PTFE 압출소재를 형성하는 단계를 포함하는 케이블용 PTFE 압출소재의 제조방법.Forming the matured mixture to form a hollow PTFE extruded material comprising the step of forming a PTFE extruded material. 청구항 1에 있어서,The method according to claim 1, 상기 혼합물을 제조하는 단계는,Preparing the mixture, 상기 윤활제에 상기 PTFE 분말을 배합하는 단계;Blending the PTFE powder with the lubricant; 상기 배합된 PFTE 분말에 상기 색상 물질을 첨가하는 단계; 및Adding the color material to the blended PFTE powder; And 상기 PTFE 분말, 상기 윤활제 및 상기 색상 물질을 혼합하여, 상기 혼합물을 제조하는 단계를 포함하는 케이블용 PTFE 압출소재의 제조방법.And mixing the PTFE powder, the lubricant, and the color material to produce the mixture. 청구항 2에 있어서,The method according to claim 2, 상기 윤활제는 상기 PTFE 분말에 대하여 25wt.% 내지 35wt.%의 비율을 가지는 액상 윤활제이고,The lubricant is a liquid lubricant having a ratio of 25wt.% To 35wt.% With respect to the PTFE powder, 상기 색상 물질은 상기 PTFE 분말 1㎏에 대하여 2g 내지 8g의 비율을 가지는 액상 물질인 케이블용 PTFE 압출소재의 제조방법.The color material is a method for producing a PTFE extruded material for a cable is a liquid material having a ratio of 2g to 8g with respect to 1kg of the PTFE powder. 청구항 1에 있어서,The method according to claim 1, 상기 숙성 단계는, 20 ℃ 내지 30 ℃의 숙성 온도에서, 12 시간 내지 20 시간 동안 수행되는 케이블용 PTFE 압출소재의 제조방법.The aging step, the method of producing a PTFE extruded material for a cable carried out for 12 to 20 hours at a aging temperature of 20 ℃ to 30 ℃. 청구항 1 내지 청구항 4 중 어느 한 항에 있어서,The method according to any one of claims 1 to 4, 상기 포밍 단계는,The forming step, 가이드축이 내부에 삽입되어 배치되는 포밍기 실린더를 준비하는 단계;Preparing a forming machine cylinder having a guide shaft inserted therein; 상기 숙성된 혼합물을 상기 포밍기 실린더 내에 채우는 단계; 및Filling the matured mixture into the foamer cylinder; And 상기 숙성된 혼합물을 가열하면서, 압축판을 상기 가이드축에 삽입시킨 상태로 상기 가이드축을 따라 이동시켜서 상기 숙성된 혼합물을 압축하여, 중공의 원통형 PTFE 압출소재를 형성하는 단계를 포함하는 케이블용 PTFE 압출소재의 제조방법.Heating the matured mixture, compressing the matured mixture by moving along the guide shaft with the compression plate inserted in the guide shaft, thereby forming a hollow cylindrical PTFE extruded material. Method of manufacturing the material.
KR1020080069445A 2008-07-17 2008-07-17 Method for manufacturing extruding materials using ptff in use of a cable KR100868954B1 (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
KR101188108B1 (en) 2010-06-25 2012-10-05 (주)상아프론테크 Composition of cable liner for vehicle having excellent in abrasion resistance
CN102760536A (en) * 2012-07-24 2012-10-31 江苏通光电子线缆股份有限公司 Preparation method of bi-color or multi-color extruded PTFE (Polytetrafluoroethylene) insulated wire
CN104149369A (en) * 2014-08-11 2014-11-19 天津市天塑科技集团有限公司 Method for preparing colored non-sintered polytetrafluoroethylene small-section temperature-resistance cable wrapping tape

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KR100645641B1 (en) 2005-05-17 2006-11-14 삼성전기주식회사 Imprint mold for printed circuit board using ptfe and manufacturing method thereof
KR100686678B1 (en) 2003-05-22 2007-02-26 히라까와 휴테크 가부시끼가이샤 Foam coaxial cable and method of manufacturing the same
KR100764293B1 (en) * 2006-07-06 2007-10-05 엘에스전선 주식회사 Method of preparing cable

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Publication number Priority date Publication date Assignee Title
KR900702542A (en) * 1988-08-02 1990-12-07 베케르, 엔겔하르트 Superconducting cable
KR100686678B1 (en) 2003-05-22 2007-02-26 히라까와 휴테크 가부시끼가이샤 Foam coaxial cable and method of manufacturing the same
KR100645641B1 (en) 2005-05-17 2006-11-14 삼성전기주식회사 Imprint mold for printed circuit board using ptfe and manufacturing method thereof
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101188108B1 (en) 2010-06-25 2012-10-05 (주)상아프론테크 Composition of cable liner for vehicle having excellent in abrasion resistance
CN102760536A (en) * 2012-07-24 2012-10-31 江苏通光电子线缆股份有限公司 Preparation method of bi-color or multi-color extruded PTFE (Polytetrafluoroethylene) insulated wire
CN104149369A (en) * 2014-08-11 2014-11-19 天津市天塑科技集团有限公司 Method for preparing colored non-sintered polytetrafluoroethylene small-section temperature-resistance cable wrapping tape

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