A Comparative Study on Surface Change by Silica Filler of Epoxy Resin Used for Conservation Treatment of Stone Cultural Heritage

IF 0.6 0 ART

International Journal of Conservation Science Pub Date : 2022-12-31 DOI:10.12654/jcs.2022.38.6.05

Hee Jeong Park, T. Lee, Se Rin Park, Myoung Nam Kim

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Abstract

This study aimed to relieve the stress on outdoor stone cultural heritages that undergo frequent re-conservation treatment owing to the surface change and discoloration of treated areas. To this end, we selected and prepared 19 types of silica fillers as research samples. Half of the surface of each sample was processed, and the accelerated aging test was conducted in accordance with KS M ISO 4892-2. Changes in chromaticity, luster, powderization, pore and crack formation, and roughened surface bluntness depending on the type of silica powder and surface processing applied were determined before and after the test. Comparative studies revealed that the roughened surface of the filler sample made of high-quality amorphous silica (A1), which was mixed with angular and spherical particles, had excellent color and luster stability, with a ◿E*ab of 0.54 (Mean: 9.91) and ◿GU of –0.07 (M: 25.10) respectively; changes in its other properties were negligible. The results of this research indicate that the sustainability of treated areas can be extended by applying favorable conditions during conservation treatment.

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石质文物保护处理中环氧树脂硅填料表面变化的对比研究

本研究旨在缓解因处理区域表面变化和变色而频繁进行再保护处理的室外石质文化遗产所面临的压力。为此，我们选取并制备了19种二氧化硅填料作为研究样品。每个样品处理一半表面，并按照KS M ISO 4892-2进行加速老化试验。在测试前后测定了色度、光泽、粉化、孔隙和裂纹形成以及粗糙表面钝度的变化，这取决于硅粉的类型和表面处理。对比研究表明，以优质非晶态二氧化硅(A1)为填料样品，经角状颗粒和球形颗粒混合后的粗化表面具有优异的颜色和光泽稳定性，其 E*ab为0.54 (Mean: 9.91)， GU为-0.07 (M: 25.10);其他性质的变化可以忽略不计。研究结果表明，在保护治理过程中，利用有利条件可以延长治理区域的可持续性。

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来源期刊

International Journal of Conservation Science ART-

CiteScore

1.70

自引率

37.50%

发文量

审稿时长

10 weeks

期刊介绍： The International Journal of Conservation Science (IJCS) is a high quality peer-reviewed journal devoted to the publication of original research papers in applied conservation science and its broad range of applications. IJCS it is an open access journal. All content is freely available without charge to any user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles in this journal without asking prior permission from the publisher or the author. The topics cover all disciplines and branches of modern scientific conservation, including different aspects on general conservation theory, scientific investigation of works of art, authentication, determination of conservation state, compatibility studies for preservation and restoration procedures and monitoring of interventions effectiveness, etiopathology of historic and natural monuments, studies on the mechanisms of deterioration and degradation for different materials as structural and ornamental elements, impact of the environmental factors or agents on monuments and ecosystems, obtaining and characterization of new materials and procedures for preservation and restoration, new methodologies for scientific investigation, cross-related problems concerning research applied to conservation science, biodiversity conservation. Review articles in selected areas are published from time to time.