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Research article
The Influence of Animal Glue on Mechanical Properties of Painting Canvases
Josep Grau-Bove
University College London
Corresponding Author
ORCiD: https://orcid.org/0000-0003-0444-3194
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Glues derived from animal products have been used in the preparation and conservation of painting canvas for hundreds of years. However, it is not clear how exactly these adhesives contribute to the mechanical strength of a canvas and how this contribution changes with time. This comparative study looks at the effect of age, thickness, and type of animal glue on the mechanical reinforcement the glues provide to canvas. Isinglass, rabbit skin, bovine hide and bone glue are compared. The mechanical strength of the canvas and glue system have been measured with a tensile test. The influence of glue on the tensile response of canvas has been observed in the slope of the initial region of the stress-strain curve for these samples. This region has been identified as the initial load-bearing region which corresponds to the glue coating. The major contributing factor to change mechanical reinforcement of canvas is found to be the degradation of the glue, however the type of glue used plays a small role as does the thickness of the glue applied.
Keywords
glue, canvas, tensile test, accelerated ageing
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This is a preprint. It has not completed peer review.
Research article
The Influence of Animal Glue on Mechanical Properties of Painting Canvases
Josep Grau-Bove
University College London
Corresponding Author
ORCiD: https://orcid.org/0000-0003-0444-3194
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
History
CURRENT STATUS: Posted
Version 1
Posted 28 May, 2020
No community comments so far
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Glues derived from animal products have been used in the preparation and conservation of painting canvas for hundreds of years. However, it is not clear how exactly these adhesives contribute to the mechanical strength of a canvas and how this contribution changes with time. This comparative study looks at the effect of age, thickness, and type of animal glue on the mechanical reinforcement the glues provide to canvas. Isinglass, rabbit skin, bovine hide and bone glue are compared. The mechanical strength of the canvas and glue system have been measured with a tensile test. The influence of glue on the tensile response of canvas has been observed in the slope of the initial region of the stress-strain curve for these samples. This region has been identified as the initial load-bearing region which corresponds to the glue coating. The major contributing factor to change mechanical reinforcement of canvas is found to be the degradation of the glue, however the type of glue used plays a small role as does the thickness of the glue applied.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6