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Fabrication of conductive overcoat layer based on hybrid composites to protect flat conductive films
이진근,조원석,조한결,김영노,이홍주,김중현 한국공업화학회 2018 한국공업화학회 연구논문 초록집 Vol.2018 No.0
Conductive polymers are attracting attention as promising next-generation materials due to their various advantages such as flexibility, transparency and price competitiveness. However, it has difficulty in practical application due to low physical stability such as heat resistance and water resistance. Therefore, we propose a method of overcoat a layer prepared by hybrid composites on a flat conductive film coated on a substrate to improve the physical stability of conductive polymer. This layer improves stability and hardness by forming a network structure through the combination of silane coupling agent and organic polymer. However, since this layer has an insulating property, it is impossible to move the current through the upper contact after application. Therefore, a small amount of conductive polymer PEDOT:PSS was added to provide conductivity. As a result, a flexible, transparent, conductive overcoat layer having high hardness and stability was manufactured.
이진근,이경재,고성희,곽재수,Lee, Jinkun,Lee, Kyungjae,Kho, Sunghee,Kwak, Jae Su 항공우주시스템공학회 2007 항공우주시스템공학회지 Vol.1 No.1
Inlet distortion test was performed at Korea Aerospace Research Institute in order to evaluate the degradation of engine performance under the distorted inlet condition. In this paper, only the inlet pressure distortion was taken into consideration. During the development process of the inlet distortion test technique, variable distortion screen was designed and evaluated under various test conditions to establish the experimental database of distortion for engine test. The result of inlet distortion test for engine shows that the operating point was changed toward the worse direction and the degradation of engine performance by inlet distortion was verified.