Dammar Resin Degradation Revisited

Author: Buder, Andreas

Source: CHIMIA International Journal for Chemistry, Volume 62, Number 11, November 2008 , pp. 913-917(5)

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Abstract:

Dammar, a natural triterpenoid resin, is widely used as a picture varnish in art technology. Several research workers have recently characterised its composition and oxidative degradation. Due to a lack of sensitivity, conventional thermal methods to characterise oxidation stability (like TGA and DSC) often require a high temperature regime. Chemiluminescence measurements turned out to be more sensitive (temperatures below 100 °C) and simultaneously allowed for better selectivity of the signal, which is directly coupled to the oxidation mechanism. The data collected here will enable an advanced kinetic modelling of Dammar degradation.

Keywords: CHEMILUMINESCENCE; DAMMAR; DEGRADATION; OXIDATION; VARNISH

Document Type: Research article

DOI: http://dx.doi.org/10.2533/chimia.2008.913

Publication date: 2008-11-01

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International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.
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