Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Dóra Tátraaljai"'
Publikováno v:
Molecules, Vol 28, Iss 3, p 1011 (2023)
Dry grape peel powder was extracted by three different techniques, stirred tank reactor, Soxhlet and ultrasound extraction. The composition, physical and chemical structure and inherent stability of the extracts were characterized by various methods.
Externí odkaz:
https://doaj.org/article/e285c74d6af24d19a711b8986a2fc50a
Publikováno v:
Antioxidants, Vol 11, Iss 2, p 418 (2022)
Dry pomegranate peel was extracted with acetone and the extract was added to a Phillips type polyethylene. The concentration of the extract was changed from 0 to 1000 ppm in six steps and stabilization efficiency was checked by the multiple extrusion
Externí odkaz:
https://doaj.org/article/a58bd0c58da04214a2f2075a035db72d
Publikováno v:
Journal of Vinyl and Additive Technology. 28:321-330
Autor:
Mohammed Arroussi, Benedek Vörös, Dóra Tátraaljai, Balázs Kirschweng, Béla Pukánszky, Miklós Zsuga
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 145:67-75
The efficiency of the natural extract, silymarin, was compared to its main component, silybin in the processing stabilization of polyethylene. The two compounds were applied as primary antioxidants in the concentration range of 0–500 ppm in combina
Autor:
Gyula Samu, Béla Pukánszky, Dóra Tátraaljai, Bence Hégely, Enikő Földes, Dániel Mirkó Tilinger, Balázs Kirschweng
Publikováno v:
European Polymer Journal. 103:228-237
The stabilization effect of a flavonoid type natural antioxidant, rutin, was compared to that of quercetin in polyethylene. Additive concentrations changed between 0 and 500 ppm in several steps and also 1000 ppm Sandostab PEPQ phosphorus secondary s
Publikováno v:
Polymer Degradation and Stability. 145:25-40
The additive packages routinely used today usually consist of a phenolic antioxidant and a phosphorus or sulfur containing secondary stabilizer. Several years ago some questions were raised about the health and environmental hazard of these additives
Autor:
Balázs Kirschweng, Dóra Tátraaljai, Miklós Zsuga, Enikő Földes, Béla Pukánszky, Benedek Vörös
Publikováno v:
European Polymer Journal. 90:456-466
The stabilization effect of two flavonoid type natural antioxidants, silymarin (Si) and quercetin (Q), was compared in polyethylene (PE). Additive concentrations changed between 0 and 500 ppm in several steps and 1000 ppm Sandostab PEPQ phosphorus co
Autor:
Márk Sárközi, Bence Hégely, József Hári, Gy. Samu, K. Bencze, Béla Pukánszky, Mihály Kállay, Dóra Tátraaljai, Enikő Földes, Balázs Kirschweng
Publikováno v:
Polymer Degradation and Stability. 133:192-200
Experiments have been carried out to compare the stabilization effect of two flavonoid type natural antioxidants, dihydromyricetin (DHM) and quercetin (Q) in polyethylene (PE). Additive concentrations changed between 0 and 500 ppm in several steps an
Publikováno v:
Polymer Degradation and Stability. 118:17-23
The stabilising efficiency of curcumin was studied in polyethylene during processing and under oxygen at high temperature. The effect of the natural antioxidant was investigated at concentrations of 0–1000 ppm in combination with a phosphonite seco
Publikováno v:
Polymer Degradation and Stability. 102:41-48
The potential use of quercetin, a flavonoid type natural antioxidant, as a stabilizer in polyethylene was explored in this work. Its efficiency was compared to that of Irganox 1010, a hindered phenolic antioxidant used routinely in industrial practic