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- W2026320511 startingPage "1635" @default.
- W2026320511 abstract "하드코팅에 의해 광변색과 경성의 성질을 갖는 플라스틱 렌즈를 제조하고, 그것들의 광학적 성질과 표면 특성을 평가하였다. 무색 상태의 자외선 스펙트럼과 유색 상태의 가시광선 스펙트럼에서 광변색 효과를 관찰할 수 있었다. 광변색 렌즈의 가시광선 투과율은 무색 상태에서 83.44%(검정)에서 87.15%(청)였으며, 유색 상태에서 71.10%(적)에서 79.98%(황)이었다. 적색 광변색 렌즈는 다른 렌즈에 비해 광학 밀도(<TEX>${Delta}$</TEX>OD)와 색차(<TEX>${Delta}$</TEX><TEX>$E^{ast}_;{ab}$</TEX>)가 컸다. 하드코팅을 적용한 광변색 렌즈는 부착성, 내온수성, 내약품성 및 표면 현상이 우수하였으며, 또한 경도와 내마모성은 무코팅 렌즈에 비하여 증가하였다. 따라서 이와 같은 코팅 시스템으로 광변색과 하드코팅 성질과 같은 기능성을 안경렌즈에 부여할 수 있었다. In this study, we have prepared plastic lenses with both photochromic and hard properties by hard coating, and evaluated their optical properties and surface characteristics. Photochromic effects could be observed on the UV spectra of the closed forms and the visible spectra of the open forms. Visible light transmittance of photochromic lenses was from 83.44% for graphite(GP) to 85.15% for blue(BL) in colourless state and from 71.10% for red(RE) to 79.98% for yellow(YE) in colour state. Red photochromic lens was higher in optical density(<TEX>${Delta}$</TEX>OD) and color difference(<TEX>${Delta}$</TEX><TEX>$E^{ast}_;{ab}$</TEX>) than the others. Photochromic lenses applied by hard coating showed good adhesion, hot water resistance, chemical resistance and surface appearance. Also, compared to the uncoated lens, hardness and abrasion resistance were increased. Consequently, this coating system could impart functional properties such as photochromic and hard coating property onto ophthalmic lenses." @default.
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- W2026320511 date "2009-07-31" @default.
- W2026320511 modified "2023-10-01" @default.
- W2026320511 title "Preparation and Characteristics of Photochromic Plastic Lenses by Hard Coatings" @default.
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- W2026320511 doi "https://doi.org/10.5762/kais.2009.10.7.1635" @default.
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