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Bogatova L.F. Research on the preservation process and the properties of archaeological fragments of genuine leather shoes. Journal of Clothing Science. 2025; 10(3). Available at: https://kostumologiya.ru/PDF/11TLKL325.pdf (in Russian).

Research on the preservation process and the properties of archaeological fragments of genuine leather shoes

Bogatova Lina Feliksovna
Kazan National Research Technological University, Kazan, Russia
E-mail: linafeliksovna@mail.ru
ORCID: https://orcid.org/0000-0002-5861-7519
RSCI: https://elibrary.ru/author_profile.asp?id=839662

Abstract. The relevance of the article is due to the fact that there is currently no unified methodology or recommendations for the preservation of leather objects, and archaeological objects even less so. The creation of a technology for the conservation of archaeological objects made of leather will allow the use of a new preservative for objects with a satisfactory state of preservation, in order to give them physical, mechanical and chemical stability, stop or slow down degradation processes in the volume of leather tissue. The paper presents research on samples of archaeological objects (a.o.) made of genuine leather obtained from fragments of the upper part of shoes dated to the end of the 17th — the beginning of the 18th centuries. Archaeological sites were discovered during excavations of the Tatar Slobodka in 2011–2014 on the island of Sviyazhsk. Characteristics of the preservation state: raw materials — hides of large cattle of vegetable tanning; thickness — 0,2–0,3 mm.; cultural layer — pH > 40 %; detail — shoe shaft; color uneven (dark — light brown); mechanical damage to the front layer and back; deformation of household and from the occurrence in the cultural layer. The results of the study of the influence of preservatives (polyethylene glycols and acrylic resin) on the characteristics of the properties of archaeological objects made of leather after the conservation process are given. The following properties were determined for the study: hygroscopicity, moisture release, vapor permeability, vapor capacity, drip absorption time, and contact angle. Laboratory and analytical studies allow us to draw conclusions about the changes in the properties of archaeological leather objects.

The study revealed a negative impact of polyethylene glycol on the characteristics of archaeological objects during post-restoration storage, which leads to changes in the structure of leather tissue.

Keywords: archaeological objects made of genuine leather; conservation; polyethylene glycol; and acrylic resin

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