Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 96: Issue 1
Determination of oxidation parameters by DSC for polypropylene stabilized with hydroxytyrosol (3,4-dihydroxy-phenylethanol)
Authors:
M. Peltzer University of Alicante Department of Analytical Chemistry, Nutrition and Food Sciences P.O. Box 99 03080 Alicante Spain

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A. Jiménez University of Alicante Department of Analytical Chemistry, Nutrition and Food Sciences P.O. Box 99 03080 Alicante Spain

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Pages:
243–248
Online Publication Date:
12 Mar 2009
Publication Date:
01 Apr 2009
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-008-9389-0
Keywords:
DSC; hydroxytyrosol; oxidation induction temperature (OIT); oxidation induction time (OIt); polypropylene; α-tocopherol
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Abstract  

Oxidation thermal parameters on samples of polypropylene (PP) stabilized with hydroxytyrosol were determined. For comparison purposes, α-tocopherol and a synthetic phenolic commercial antioxidant (Irganox 1076), were also analyzed. Oxidation induction time (OIt) and oxidation induction temperature (OIT) were determined by differential scanning calorimetry (DSC). The addition of hydroxytyrosol 0.1 mass% to PP was enough to obtain efficient stabilization during processing. Certain decrease in stabilizing properties of natural antioxidants was observed for compression moulded materials at high temperatures. However, these samples were still efficiently stabilized in comparison to the pure material. Hydroxytyrosol showed good performance as polypropylene antioxidant and it might be considered as promising alternative to the use of phenolic synthetic compounds.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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