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  • 1 University of Silesia Szkolna 9 Department of Environmental Chemistry and Technology, Institute of Chemistry 40-006 Katowice Poland 40-006 Katowice Poland
  • | 2 University of Silesia Uniwersytecka 4 Institute of Physics 40-007 Katowice Poland 40-007 Katowice Poland
  • | 3 Medical University School of Silesia Jagielloń, ska 4 Department of Physical Pharmacy Sosnowiec Poland Sosnowiec Poland
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Spontaneous structural changes of a polymer that is its ageing due to thermal energy, radiation energy, chemical compounds and micro-organisms lasting at least several season cycles change the characteristics of polymer products. Changes of polymer characteristics found during ageing can be reversible or irreversible. The most substantial changes occur as the result of UV radiation. Tests of selected aliphatic diamides of terephthalic acid as stabilisers of low density polyethylene (LD-PE) used for the production of gardening films were performed. Accelerated ageing of films for a period of one year was done in the Xenotest Alpha type apparatus. Studies were made for 0.1 mm thick commercial films. Studies of selected mechanical properties of LD-PE films without stabilisers and of LD-PE sheeting containing an addition of one of the synthesised diamides of terephthalic acid or the standard Tinuvin 783 stabiliser were performed before and after the ageing process. To determine the effect of stabilisers on the ageing process of LD-PE films, thermogravimetric analysis was applied. This allowed us to determine the decomposition activation energy of the investigated films before and after the ageing process and the influence of stabilisers on the observed changes.

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  • Scimago Journal Rank (2019): 0.415
  • SJR Hirsch-Index (2019): 87
  • SJR Quartile Score (2019): Q3 Condensed Matter Physics
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  • Scimago Journal Rank (2018): 0.634
  • SJR Hirsch-Index (2018): 78
  • SJR Quartile Score (2018): Q2 Condensed Matter Physics
  • SJR Quartile Score (2018): Q2 Physical and Theoretical Chemistry

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

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