Academic thesis

Julia Runge: Back
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Abstract: In the first part of this diploma thesis an exemplary partial restoration of the portrait of
Elisabeth von Lothringen is done, a painting of the beginning of the 17th century from the
Bayerisches Nationalmuseum Munich. The treatment conforms to the conception determined
in a previous internship‐paper. It was necessary to take off a former starch adhesive from the
reverse‐side of the canvas by using an airbrasive device. The tear in the canvas was mend with
Lascaux® Acrylkleber 498 HV, for the filling Beva® 371 was used. The retouching was
performed with Mowilith® 30.
The second part of this diploma thesis discusses the phenomena of the bark formation in the
paint layer of the portrait. Therefore it includes an outline of drying of linseed oil and
especially copaivabalsam, because in the analysis of the binding media it was assumed as a
component. It is also written about the handling of restoration of objects that content
copaivabalsam today. Finally an own test series of copaivabalsam‐treated objects is going to
clarify the severity of outer influence‐factors on the development of paint layer
deformations.

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Details:
  • academic institution: FH Erfurt
  • kind of theses:  Diplomarbeit
  • date:  2010
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