Academic thesis

Hannah Flock: New Investigations on Adhesives for the Tear Repair in Canvas Paintings – Uni- and biaxial Tensile Tests on Specimens of mended Threads and Canvas as well as free Adhesive Films Back
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Overview:  
 
Abstract: The focus of this thesis is thread-by-thread tear mending, for the treatment of torn canvas paintings on
linen supports. In this comparative investigation, uniaxial tensile tests on adhesive films, jointed linen
threads and canvas strips, as well as biaxial tensile testing and burst pressure tests on canvas specimens
have been carried out for the first time. To show the correlation between these various testing procedures,
tear repairs were prepared with a selection of different synthetic resin based dispersions and modifications
of sturgeon glue for butt and overlapping joints. Generally, the test methods using fabric specimens (i. e.
multiple threads) seemed to be the most appropriate way to evaluate mended tears. Furthermore, some
adhesives showing promising tear mending properties were found and the strengthening effect of bridging
threads for butt joints was proven.

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Details:
  • academic institution: Technische Hochschule Köln
  • kind of theses:  Masterarbeit
  • main Tutor:  Dipl.-Rest. Petra Demuth
  • assistant Tutor:  Prof. Dr. Elisabeth Jägers
  • date:  2014
  • Language:  German
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