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Increasing time of ignition for PS-clay nanocomposites filled with [Fe(bpy)₃]²⁺-modified hectorite

Title data

Hausner, Josef ; Fischer, Bianca ; Stöter, Matthias ; Edenharter, Andreas ; Schmid, Jasmin ; Kunz, Raphael ; Rosenfeldt, Sabine ; Altstädt, Volker ; Breu, Josef:
Increasing time of ignition for PS-clay nanocomposites filled with [Fe(bpy)₃]²⁺-modified hectorite.
In: Polymer Degradation and Stability. Vol. 128 (March 2016) . - pp. 141-148.
ISSN 0141-3910
DOI: https://doi.org/10.1016/j.polymdegradstab.2016.03.015

Abstract in another language

While previously reported polystyrene(PS)-clay nanocomposites all show a reduced time of ignition (tig) compared to the neat polymer, we observe a significant longer tig for a clay filler that has been modified with a highly temperature stable inorganic complex cation, trisbipyridine-iron(II) ([Fe(bpy)3]2+). We compare cone data of nanocomposites filled with [Fe(bpy)3]2+- and alkylammonium(C18)-modified synthetic hectorite. While the peak of heat release was reduced to a comparative value (50% and 54% for [Fe(bpy)3]2+- and C18-modified composite, respectively), tig was significantly increased (76 ± 3 s, 84 ± 1 s, and 66 ± 1 s for PS, for [Fe(bpy)3]2+- and C18-modified composite, respectively). Moreover, the total smoke production was also reduced significantly (5017, 4415, and 5127 m2/m2 for PS, for [Fe(bpy)3]2+- and C18-modified composite, respectively). The clay nanocomposites were characterized by powder X-ray diffraction, transmission electron microscopy, and gas permeability measurements.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: PS-clay nanocomposites; Hectorite; Flame retardancy; Time of ignition
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I > Chair Anorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Faculties > Faculty of Engineering Science > Chair Polymer Engineering > Chair Polymer Engineering - Univ.-Prof. Dr.-Ing. Volker Altstädt
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie > SFB 840 - TP B 3
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Polymer Engineering
Research Institutions
Research Institutions > Collaborative Research Centers, Research Unit
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 29 Mar 2018 07:14
Last Modified: 29 Mar 2018 07:14
URI: https://eref.uni-bayreuth.de/id/eprint/43115