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Received November 30, 2020
Accepted January 4, 2021
Available online May 3, 2021
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마이크로미터 크기의 실리카 입자를 이용한 UV 경화형 눈부심 방지 코팅 필름 제조
Preparation of UV Curable Anti-Glare Coating Films Using Micrometer-Sized Silica Particles
건양대학교 의료신소재학과, 35365 대전광역시 서구 관저동로 158
Department of Biomedical Materials, Konyang University, 158 Gwanjeodong-ro, Seo-gu, Daejeon, 35365, Korea
Korean Chemical Engineering Research, May 2021, 59(2), 165-173(9)
https://doi.org/10.9713/kcer.2021.59.2.165
https://doi.org/10.9713/kcer.2021.59.2.165
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Abstract
눈부심 방지(Anti-glare, AG) 코팅 필름은 액정 디스플레이, LED 조명, 터치 패널 등 다양한 디스플레이 분야에 적용되고 있다. 본 연구에서는 UV 경화형 코팅 용액 내에 충전제로써 마이크로미터 크기의 실리카 입자를 첨가하여 눈부심 방지 효과를 부여하고자 하였다. 이 과정 중 실리카 입자의 크기, 함유량, 교반 시간, 다른 크기의 실리카 입자의 혼합 비율이 코팅 도막의 haze 값과 가시광선 투과도에 미치는 영향을 조사하였다. 그 결과 실리카 입자의 크기가 클수록, 또한 실리카 입자의 함유량이 증가할수록 haze 값은 증가하나, 가시광선 투과도는 감소하였다. 반면 교반 시간은 haze 값과 투과도에 큰 영향을 주지 못하였다. 또한 큰 크기의 실리카의 혼합 비율이 증가할수록 haze 값은 증가하나, 이와 반대로 가시광선 투과도는 감소하는 것을 확인할 수 있었다.
Anti-glare (AG) coating films are applied to various display fields such as liquid crystal displays, LED lighting, and touch panels. In this study, micrometer-sized silica particles were added as fillers in the UV-curable coating solutions to provide anti-glare effect. During this process, the effects of the particle size, content, stirring time, and mixing ratio of silica particles of different sizes were investigated on the haze values and visible light transmittance of the coating films. As a result, as the size of the silica particles increased and the content of the silica particles increased, the haze values increased, but the visible light transmittance decreased. On the other hand, the stirring time did not significantly affect the haze value and transmittance of coating films. In addition, as the mixing ratio of large-sized silica particles increased, the haze value increased, but on the contrary, the visible light transmittance decreased.
Keywords
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