대형불화에 사용된 녹색안료와 내후성 시험편과의 열화양상 비교 연구 = Comparative Research on Deterioration Patterns of Green Pigments between used in Hanging Painting and Specimens of Weathering Resistance

다국어 초록 (Multilingual Abstract)

Colored specimens were made using atacamite and malachite, green pigments commonly used in traditional painting artifacts, and then weathering resistance tests were conducted. This results were compared and analyzed with actual Hanging Painting artifacts to examine deterioration characteristics such as peeling of the pigment, and to confirm the influence relationship between deterioration depending on the pigments and base materials. The base materials used were silk and hemp, which are often used in Goryeo Buddhist paintings and portraits of the Joseon Dynasty. As a result of the test, cracks and peeling were mainly observed rather than discoloration of the pigment, and the color difference worsened after 30 days. These all appeared larger on hemp substrate than on silk. In infrared spectroscopic analysis, spectral changes were confirmed mainly in the characteristic peaks of glue, and similar changes were confirmed in specimens colored with atacamite regardless of the base material. On the other hand, changes were observed more clearly in the malachite colored specimen than in the hemp base material. XRD analysis shows that copper chloride pigments show less change in mineralogical properties due to weathering resistance tests than malachite pigments. The deterioration patterns of the test specimens and the painting artifacts were compared and analyzed. As a result, there were a difference in the deterioration characteristics of the weathering resistance test specimens and the actual artifacts due to various factors such as the size and mixing ratio of the pigment particles and the conditions of the base materials. In the future, if research will be conducted on changes in the particle size of green pigments, various artificial deterioration conditions, and mineralogical and chemical changes, and the deterioration mechanism in relics will be possible to reveal.

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