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Restore lost properties of solidified leaves with hydroxypropyl cellulose
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Restore lost properties of solidified leaves with hydroxypropyl cellulose
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Journal Article
Restore lost properties of solidified leaves with hydroxypropyl cellulose
2023
Overview
Purpose
This paper aims to find a suitable solution to treat the solidification paper by using hydroxypropyl cellulose (HPC) to improve the mechanical, physical and chemical properties of paper.
Design/methodology/approach
The samples have gone several stages, starting with the manufacture of paper from the linen pulp and the same components of the hardened manuscript papers. It was subjected to artificial aging to reach an age comparable to the manuscript age, then it was subjected to natural aging by inoculation it with A. niger. Mechanical cleaning of the leaves was done with soft brushes. The samples have been consolidated by HPC 2%. Digital microscopy, scanning electron microscopy, mechanical properties measurement, color change, Fourier transform infrared and pH measurements were used to assess the effect of HPC on the qualities of leaves.
Findings
HPC succussed in strengthening and restoring the natural, chemical and mechanical properties for the solidified leaves.
Originality/value
The solidified papers phenomenon constitutes severe suffering for manuscripts and books conservators. The paper consolidation initial stage is one of the most important conservation stages because paper has lost many natural, mechanical and chemical properties. The most important feature of this study is providing a solution to the hardened leaves strengthening problem and restoring their chemical, natural and mechanical properties.
