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- Title
Study of amur cork tree bark extract-dyed paper under artificial UVA irradiation.
- Authors
Luo, Yanbing; Zhang, Xiujuan; Ren, Mengjia; Wei, Yanfei
- Abstract
Some ancient Chinese paper artifacts dyed with amur cork tree bark extracts are currently preserved to different extents in museums and libraries worldwide. As traditional natural plant dyes, the long-term performance of the amur cork tree bark extract-dyed handmade paper has been questioned under a preserved environment. The photodegradation process of the extract-dyed papers was examined under accelerating artificial UVA irradiation conditions according to China national standard-paper and board- accelerated aging (exposure to light). Changes during aging were analyzed by optical observation and scanning electron microscopy (SEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), Fourier transform infrared spectrometry (FTIR), pH, and tensile strength and folding endurance tests. The results showed that the main components from extracted dyes played an important role in affecting the photodegradation properties of dyed paper. The changes in surface color, pH, morphology and mechanical properties after the artificial UVA accelerated degradation tests revealed that a suitable concentration of the extract dyes for maintaining the long-term irradiation stability of the paper is important.
- Subjects
CHINA; CORK; INFRARED spectroscopy; IRRADIATION; NATURAL dyes &; dyeing; SCANNING electron microscopy; OPTICALLY stimulated luminescence dating
- Publication
Heritage Science, 2023, Vol 11, Issue 1, p1
- ISSN
2050-7445
- Publication type
Article
- DOI
10.1186/s40494-023-01104-1