The investigation of Shah Nematollah Vali`s Pateh by EDS, SEM and FTIR systems analysis

In 1294 AH, shah Nematollah Vali`s Pareh was weaved by sixteen kermanian Iadies during three years, in order to cover his sepulcher. Since this work is the oldest remained one in kerman Province , the recodnition of its harm is so important. The analytical system SEM, was used in this research, in order to investigate the fibre harm form a high view point. The result showed that the problem exisists in cuticle and cortex part of the wool used in cloth, decorative skilk fibre( used on the edge of pateh), and in the scrim fiber which is flax. This damge could probably be as a result of the physical and mechanical pressure on the silk and wool fibers, embroidery threads, and the scrim of the cloth. A thick layer of contaminationes  is also seem on the surface of the silk fibre, needle sewed threads , and scarf threads ( base cloth). The EDS system was used to identify the contaminates, and the elements Silicia, Lead, Aluminium, and Manesium were found accordingly. The existence of dust on silk roots causes the friction of the fibre over the time. The FTIR method was used to investingate the structural damages of the yarn and to indentify its structure. It was found that the process of vandalism exists in wool, embroidery threads, scarf threads ( base cloth), decorative root threads on the edge of pateh, and spun and scrim flax threads. Photo_ degradation , dryness, friction, and mechanical pressures are probably the reason of such a great vandalismof the studied fibre.