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Title

Determination of oxidation parameters of fatliquored leather by DSC

AuthorsManich, Albert M. CSIC ORCID CVN; Cuadros, Sara CSIC; Cot Gores, Jaume; Carilla Auguet, Josep CSIC; Marsal, Agustí CSIC ORCID
KeywordsThermoxidation
Fatliquor
Leather
Non-isothermal DSC
Ageing
Issue Date18-Apr-2005
PublisherElsevier
CitationThermochimica Acta 429(2): 205-211 (2005)
AbstractThe oxidation of a number of fatliquoring formulations, of different iodine index, derived from fish oil, rapeseed oil, neatsfoot oil, lecithin, paraffin, sulphited and sulphated variants was studied. The formulations included dispersing agents, stabilizers and/or anti-oxidants. Sheepskins were treated with fatliquoring agents at 5% of fatty matter. The oxidation of the fatliquoring formulations and the fatliquored skins was studied by non-isothermal differential scanning calorimetry (DSC). The onset thermoxidation temperature and the enthalpy of the thermoxidation peak located between 195 and 265 °C were determined and then related to the different fatliquoring standard formulations. The skins were subjected to ageing treatments using UV radiation and temperature. The fall in the denaturation temperature of the skin due to ageing was related to the oxidability of the fatliquoring agent.
Description7 pages, 6 figures, 2 tables.-- Printed version published May 15, 2005.
Publisher version (URL)http://dx.doi.org/10.1016/j.tca.2004.10.007
URIhttp://hdl.handle.net/10261/16376
DOI10.1016/j.tca.2004.10.007
ISSN0040-6031
Appears in Collections:(IDAEA) Artículos

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