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J. Conserv. Sci > Volume 30(3); 2014 > Article
Journal of Conservation Science 2014;30(3):299-306.
DOI: https://doi.org/10.12654/JCS.2014.30.3.05    Published online September 30, 2014.
저온 아르곤 플라즈마처리를 이용한 모재 표면의 오염물 제거
서은덕
Removal of Contaminants Deposited on Surfaces of Matrices by Using Low-Temperature Argon Plasma Treatment
Eun-Deock Seo
초 록
귀중한 보존물, 예술품, 증거서류 등의 오염에 의한 훼손을 복원하는 기술의 일환으로 아르곤을 이용한 저온 플라즈마 표면처리법의 적용 가능성을 산소 플라즈마 표면처리법과 비교 조사하였다. 이러한 목적으로 인위적 오염물 인 brilliant green으로 염색된 셀룰로오스 아세테이트와 카본으로 코팅된 백상지에 아르곤 플라즈마와 산소 플라즈마로 처리했을 때, 색도계를 이용하여 색도변화를 측정한 후 ⊿E*ab 값의 변화와 표면형태의 변화로써 brilliant green과 카본 제거효과를 조사하였다. 오염물 제거효과는 산화반응에 근거한 산소 플라즈마가 스퍼터링에 의한 아르곤 플라즈마에 비해서 효과적이었으나 모재의 심각한 손상을 유발하였고 플라즈마 후반응에 의한 추가적인 모재의 손상이 예상되었 다. 반면에 아르곤 플라즈마는 산소 플라즈마에 비해서 열세하였으나 모재의 손상이나 후반응에 대하여 무시할 수 있었 으며 섬세한 복원 작업에 오히려 적합할 것으로 판단되었다.
중심어: 복원, 오염물 제거, 아르곤 플라즈마처리, 산소 플라즈마처리
ABSTRACT
The possibility of a low-temperature argon plasma treatment as a mean of restoration technology for contaminated invaluable archive materials and artefacts, and evidencing documents was investigated along with an oxygen plasma treatment for comparison. For this purpose, the degree of color changes, ⊿E*ab, and surface morphological changes due to plasma treatments as an evaluation of removal performance of artificial contaminants such as brilliant green dye and carbon deposit on cellulose acetate and plain paper as matrices, respectively, were measured and analyzed using a spectrophotometer and a field emission scanning electron microscope. Compared to the argon plasma treatment with sputtering characteristic, that of the oxygen plasma with characteristic of an oxidation reaction has shown superior results in removing the contaminants; the oxygen plasma has proven to damage the matrices significantly due to its oxidative characteristic, and post-plasma reactions has anticipated to be also detrimental to the surfaces, whereas, the problems caused by the counterpart has resulted in being negligible and rather has thought to be an appropriate mean for delicate restoration and/or removal operations of contaminants.
Key Words: Restoration, Removal of contaminants, Argon plasma treatment, Oxygen plasma treatment
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