Abstract

Leather objects, either modern or historical, are sensitive to moisture and, in particular, to temperature and relative humidity (RH) variations, and prone to microbial attack. Such climatic changes can cause microbiological, chemical and mechanical damage to (i) historical object in uncontrolled environmental conditions as seen in old buildings and palaces, and (ii) hides, pelts and finished modern leather during processing, transport and storage. Two kinds of experiments were designed and carried out to investigate (i) the effect of gamma irradiation on collagen matrix and set the safe treatment dose for effective disinfection and (ii) the moisture uptake/loss depending on tanning type, damage condition and conservation treatment.

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