• 제목/요약/키워드: dry interfacial treatment plasma

검색결과 7건 처리시간 0.033초

플라즈마 표면처리에 따른 고분자절연재료용 유리섬유의 표면개질 (Surface Modification of Glass Fiber for Polymer Insulator by Plasma Surface Treatment)

  • 임경범;이덕출
    • 대한전기학회논문지:시스템및제어부문D
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    • 제52권5호
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    • pp.206-206
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    • 2003
  • It is hard to expect excellent electrical, mechanical and chemical properties from most of the composite materials presently used as insulators due to insufficient wettability property caused by the difference of interfacial properties between the matrix material and the reinforcer. Therefore, various interfacial coupling agents have been developed to improve the interfacial properties of composite materials. But if the wettable coupling agents are used outdoor for a long time, change in quality takes place in the coupling agents themselves, bringing about deterioration of the properties of the composite materials. In this study, glass surface was treated by plasma to examine the effect of dry interface treatment without coupling agent. It was identified that the optimum parameters for the best wettability of the samples at the time of generation of plasma were oxygen atmosphere, 0.1 torr of system pressure, 100 W of discharge power, and 3 minutes of discharge time. Also, the surface resistance rate and dielectric property were improved.

플라즈마 표면처리에 따른 고분자절연재료용 유리섬유의 표면개질 (Surface Modification of Glass Fiber for Polymer Insulator by Plasma Surface Treatment)

  • 임경범;이덕출
    • 대한전기학회논문지:전기물성ㆍ응용부문C
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    • 제52권5호
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    • pp.206-212
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    • 2003
  • It is hard to expect excellent electrical, mechanical and chemical properties from most of the composite materials presently used as insulators due to insufficient wettability property caused by the difference of interfacial properties between the matrix material and the reinforcer. Therefore, various interfacial coupling agents have been developed to improve the interfacial properties of composite materials. But if the wettable coupling agents are used outdoor for a long time, change in quality takes place in the coupling agents themselves, bringing about deterioration of the properties of the composite materials. In this study, glass surface was treated by plasma to examine the effect of dry interface treatment without coupling agent. It was identified that the optimum parameters for the best wettability of the samples at the time of generation of plasma were oxygen atmosphere, 0.1 torr of system pressure, 100 W of discharge power, and 3 minutes of discharge time. Also, the surface resistance rate and dielectric property were improved.

플라즈마 표면처리에 따른 고분자절연재료의 표면개질 (Surface Modification of Polymer Insulator by Plasma Surface Treatment)

  • 임경범;황명환;이백수;유도현;육재호;김형권;임헌찬;박강식;이덕출
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2002년도 춘계학술대회 논문집 유기절연재료 전자세라믹 방전플라즈마 일렉트렛트 및 응용기술
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    • pp.31-35
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    • 2002
  • It is hard to expect excellent electrical, mechanical and chemical properties from most of the composite materials presently used as insulators due to insufficient wettability property caused by the difference of interfacial properties between the matrix material and the reinforcer. Therefore, various interfacial coupling agents have been developed to improve the interfacial properties of composite materials. But if the wettable coupling agents are used outdoor for a long time, change in quality takes place in the coupling agents themselves, bringing about deterioration of the properties of the composite materials. In this study, composite materials were put to dry interfacial treatment by use of plasma technology. It has been presented that the optimum parameters for the best wettability of the samples at the time of generation of plasma were oxygen atmosphere, 0.1 torr of system pressure, 100 W of discharge power, and 3 minutes of discharge time. Also, the surface resistance rate and dielectric property were improved.

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플라즈마 표면개질에 따른 FRP의 자외선 열화 특성에 관한 연구 (A Study on the UV Degradation Characteristics of FRP by Plasma Surface Modification)

  • 황명환;임경범
    • 대한전기학회논문지:전기물성ㆍ응용부문C
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    • 제55권3호
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    • pp.122-126
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    • 2006
  • In this study, composite materials were put to dry interfacial treatment by use of plasma technology It has been presented that the optimum parameters for the best wettability of the samples at the time of generation of plasma were oxygen atmosphere, 0.1 Torr of system pressure, 100 W of discharge power, and 3 minutes of discharge time. The decrease in surface potential of charged samples by corona discharge indicates that the amount of accumulated electrical charges reduces and the charges that have been injected lessen rapidly when the duration of UV irradiation increases. The surface resistivity and the tensile strength of plasma treated samples, a longer UV irradiation time resulted in decreased insulation.

에폭시 복합재료의 계면특성 향상에 관한 연구 (A Study on the Improvement of Interfacial Properties of Epoxy Composites)

  • 임경범;이상희;유도현;육재호;황명환;김윤선;이덕출
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2002년도 추계학술대회 논문집 전기물성,응용부문
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    • pp.124-126
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    • 2002
  • In this study, composite materials were put to dry interfacial treatment by use of plasma technology. It has been presented that the optimum parameters for the best wettability of the samples at the time of generation of plasma were oxygen atmosphere, 0.1 torr of system pressure, 100 W of discharge power, and 3 minutes of discharge time. Also, the surface resistance rate, dielectric property and tensile strength were improved.

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플라즈마 표면개질에 따른 FRP의 자외선 열화 특성에 관한 연구 (A Study on the UV Degradation characteristics of FRP by Plasma Surface Modification)

  • 임경범;이상희;유도현;황명환;임응춘;조기선;이덕출
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2003년도 하계학술대회 논문집 C
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    • pp.1544-1546
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    • 2003
  • In this study, composite materials were put to dry interfacial treatment by use of plasma technology. It has been presented that the optimum parameters for the best wettability of the samples at the time of generation of plasma were oxygen atmosphere, 0.1 torr of system Pressure, 100 W of discharge power, and 3 minutes of discharge time. The decrease in surface potential of charged samples by corona discharge indicates that the amount of accumulated electrical charges reduces and the charges that have been injected lessen rapidly when the duration of UV irradiation increases. The surface resistivity and the tensile strength of plasma treated samples, a longer UV irradiation time resulted in decreased insulation.

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수중 유전체장벽방전 플라즈마를 이용한 아조 염색폐수 색도제거 (Decolorization of Azo Dyeing Wastewater Using Underwater Dielectric Barrier Discharge Plasma)

  • 조진오;이상백;목영선
    • 공업화학
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    • 제24권5호
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    • pp.544-550
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    • 2013
  • 본 연구에서는 소수성 다공질 세라믹관이 결합된 수중 유전체장벽방전 플라즈마 반응기를 이용하여 모사 염색폐수의 색도저감을 조사하였다. 플라즈마에 의해 생성되는 활성성분들은 수명이 매우 짧으므로 생성되는 즉시 물과 접촉시켜야 효과적인 폐수처리가 가능하며, 또한 반응속도를 증가시키기 위해서는 기/액 접촉면적이 커야 하는데, 본 연구의 반응기는 두 가지 목적을 동시에 이룰 수 있다. 아조 염료로는 amaranth, 그리고 플라즈마 생성을 위한 기체로는 공기가 사용되었으며, 방전전력, 기체 유량, 용존 음이온, 염료 초기농도 등 색도 제거에 미치는 다양한 변수의 영향이 평가되었다. 기체유량이 $1.5Lmin^{-1}$일 때, 플라즈마 기체가 염색폐수와 가장 효과적으로 접촉하였으며, 색도 제거가 가장 빠르게 일어났다. 염료 초기농도 $40.2{\mu}molL^{-1}$ (폐수부피 : 0.8 L), 방전전력 3.37 W의 조건에서 색도를 99% 이상 제거하는데 약 25 min이 소요되었다. 그밖에 염료의 초기농도가 낮을수록, 방전전력이 높을수록 색도 제거 속도가 증가하는 것으로 나타났다. 염소이온이 존재할 경우 색도 제거 속도가 빨라졌으나, 질산이온은 색도 제거 속도에 영향을 주지 않았다.