Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/1984
Title: Synergistic effect of natural zeolites on flame retardant additives
Authors: Demir, Hasan
Arkış, Esen
Balköse, Devrim
Ülkü, Semra
Demir, Hasan
Arkış, Esen
Balköse, Devrim
Ülkü, Semra
Izmir Institute of Technology. Chemical Engineering
Keywords: Ammonium compounds
Blowing agents
Polypropylenes
Flame-retardant polypropylene
Thermogravimetric analysis
Issue Date: Sep-2005
Publisher: Elsevier Ltd.
Source: Demir, H., Arkış, E., Balköse, D., and Ülkü, S. (2005). Synergistic effect of natural zeolites on flame retardant additives. Polymer Degradation and Stability, 89(3), 478-483. doi:10.1016/j.polymdegradstab.2005.01.028
Abstract: The thermal degradation and flammability of intumescent fire-retardant polypropylene matrix composites consisting of ammonium polyphosphate (APP) as an acid source and blowing agent, pentaerythritol (PER) as a carbonisation agent and natural zeolite (clinoptilolite rich, Gördes II) as a synergistic agent were examined. APP and PER combinations were examined at different ratios (0.25, 0.33, 0.5, 1, 2, 3, and 4) for optimisation of the formulation for flame retardancy. The zeolite was incorporated into flame retardant formulation at four different concentrations (1, 2, 5, and 10 wt%) to investigate the synergism between the flame retardant materials. The thermal degradation and flammability of composites were characterized by thermogravimetric analysis (TGA) and by limiting oxygen index (LOI) measurement and horizontal burning (HB) tests. A synergistic effect in flame retardancy was observed when natural zeolites were used in combination with APP and PER.
URI: http://doi.org/10.1016/j.polymdegradstab.2005.01.028
http://hdl.handle.net/11147/1984
ISSN: 0141-3910
0141-3910
Appears in Collections:Chemical Engineering / Kimya Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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