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Fire behavior of flame retarded sandwich structures containing PET foam cores and epoxy face sheets

Bethke, Christian ; Weber, Lais ; Goedderz, Daniela ; Standau, Tobias ; Döring, Manfred ; Altstädt, Volker (2020)
Fire behavior of flame retarded sandwich structures containing PET foam cores and epoxy face sheets.
In: Polymer Composites, 41 (12)
doi: 10.1002/pc.25786
Article, Bibliographie

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Abstract

Within this work, the investigation on interactions of a phosphorus‐containing flame retardant (FR) DEPAl in epoxy face sheets and five different FRs in the PET‐foam core of a sandwich laminate on the fire behavior is focused. Fourteen different combinations of resin face sheets and PET foam cores are produced by vacuum assisted resin infusion (VARI). The combustion behavior of the sandwich laminates is tested by cone calorimetry. The time to ignition is lowered when a FR resin is used while the subsequent burning behavior is mainly influenced by the PET foam core. In order to evaluate the interactions of the flame retardants in the core and face sheet, a total improvement value (TIV) was set up which compares the performance related to the specific FR combinations. The highest TIV value (76%) indicating positive interactions with DEPAl was observed with a 2‐PSMP‐PET core, the lowest value (−2%) with a DEPZn‐PET core.

Item Type: Article
Erschienen: 2020
Creators: Bethke, Christian ; Weber, Lais ; Goedderz, Daniela ; Standau, Tobias ; Döring, Manfred ; Altstädt, Volker
Type of entry: Bibliographie
Title: Fire behavior of flame retarded sandwich structures containing PET foam cores and epoxy face sheets
Language: English
Date: 2020
Place of Publication: Brookfield
Publisher: Society of Plastic Engineers ; Wiley
Journal or Publication Title: Polymer Composites
Volume of the journal: 41
Issue Number: 12
DOI: 10.1002/pc.25786
Corresponding Links:
Abstract:

Within this work, the investigation on interactions of a phosphorus‐containing flame retardant (FR) DEPAl in epoxy face sheets and five different FRs in the PET‐foam core of a sandwich laminate on the fire behavior is focused. Fourteen different combinations of resin face sheets and PET foam cores are produced by vacuum assisted resin infusion (VARI). The combustion behavior of the sandwich laminates is tested by cone calorimetry. The time to ignition is lowered when a FR resin is used while the subsequent burning behavior is mainly influenced by the PET foam core. In order to evaluate the interactions of the flame retardants in the core and face sheet, a total improvement value (TIV) was set up which compares the performance related to the specific FR combinations. The highest TIV value (76%) indicating positive interactions with DEPAl was observed with a 2‐PSMP‐PET core, the lowest value (−2%) with a DEPZn‐PET core.

Uncontrolled Keywords: flame retardant, sandwich materials, cone calorimetry, PET‐foam, composites
Classification DDC: 500 Science and mathematics > 540 Chemistry
Divisions: 07 Department of Chemistry
07 Department of Chemistry > Ernst-Berl-Institut
07 Department of Chemistry > Ernst-Berl-Institut > Fachgebiet Makromolekulare Chemie
Date Deposited: 30 Jan 2024 07:19
Last Modified: 30 Jan 2024 19:05
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