Study on the restoration of glass slides dating back to the 1940s

IF 2.6 1区艺术学 Q2 CHEMISTRY, ANALYTICAL

Heritage Science Pub Date : 2024-09-19 DOI:10.1186/s40494-024-01454-4

Yuyao Ruan, Yanli Li, Fei Yang, Yanru Chen, Panpan Liu, Mantang Ge, Kezhu Han, Yuhu Li

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Abstract

The Museum of Sun Yat-sen University houses a collection of antique glass slides dating back to the 1940s. These historical artifacts not only serve as a record of the past but also bring history to life. During extended storage, the emulsion layer on glass slides may harden and become brittle, leading to cracking and buckling. This study suggests a method to enhance the physical property of the emulsion layer by using a combination of nonionic surfactant isomeric alcohol ethoxylates eight (TO-8) and waterborne epoxy resin (WER). We investigated the microscopic action mechanism of the two on the emulsion layer of glass slides using scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), water contact angles, and other techniques. Our study revealed that TO-8 can significantly eliminate the spherulitic crystal structure of the emulsion layer, as well as improve its softness and hydrophilicity. The addition of the WER ensures that the cracking and warping of the emulsion layer film is fully corrected, resulting in a flat surface. Additionally, the size of the emulsion layer film remains stable even after wetting. The WER has minimal impact on the image information of glass slides. The emulsion layer of the glass slides, restored using the softening protection solutions developed in this study, showed almost full recovery of image information. This research holds significant theoretical and practical value for repairing cracked and warped emulsion layers on glass slides.

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关于修复 20 世纪 40 年代玻璃幻灯片的研究

中山大学博物馆收藏了一批可追溯到 20 世纪 40 年代的古董玻璃幻灯片。这些历史文物不仅是过去的记录，也让历史栩栩如生。在长期储存过程中，玻璃幻灯片上的乳剂层可能会变硬、变脆，从而导致开裂和弯曲。本研究提出了一种通过使用非离子表面活性剂异构醇聚氧乙烯醚八（TO-8）和水性环氧树脂（WER）的组合来增强乳剂层物理特性的方法。我们利用扫描电子显微镜（SEM）、傅立叶变换红外光谱（FTIR）、水接触角等技术研究了二者对玻璃载玻片乳液层的微观作用机理。研究结果表明，TO-8 能显著消除乳液层的球状晶体结构，并提高其柔软度和亲水性。WER 的加入可确保乳液层薄膜的开裂和翘曲得到完全纠正，从而使表面变得平整。此外，即使在润湿后，乳液层薄膜的尺寸也能保持稳定。WER 对玻璃幻灯片图像信息的影响微乎其微。使用本研究开发的软化保护解决方案修复的玻璃幻灯片乳剂层几乎完全恢复了图像信息。这项研究对于修复玻璃幻灯片上破裂和翘曲的乳剂层具有重要的理论和实用价值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Heritage Science Arts and Humanities-Conservation

CiteScore

4.00

自引率

20.00%

发文量

183

审稿时长

19 weeks

期刊介绍： Heritage Science is an open access journal publishing original peer-reviewed research covering: Understanding of the manufacturing processes, provenances, and environmental contexts of material types, objects, and buildings, of cultural significance including their historical significance. Understanding and prediction of physico-chemical and biological degradation processes of cultural artefacts, including climate change, and predictive heritage studies. Development and application of analytical and imaging methods or equipments for non-invasive, non-destructive or portable analysis of artwork and objects of cultural significance to identify component materials, degradation products and deterioration markers. Development and application of invasive and destructive methods for understanding the provenance of objects of cultural significance. Development and critical assessment of treatment materials and methods for artwork and objects of cultural significance. Development and application of statistical methods and algorithms for data analysis to further understanding of culturally significant objects. Publication of reference and corpus datasets as supplementary information to the statistical and analytical studies above. Description of novel technologies that can assist in the understanding of cultural heritage.