Fire behavior of flame retarded sandwich structures containing PET foam cores and epoxy face sheets
Source abstract
Abstract
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.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Flame retardant materials and properties · Fire dynamics and safety research · Environmental and Industrial Safety
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Polymer Engineering University of Bayreuth Bayreuth Germany
Fraunhofer Institute for Structural Durability and System Reliability LBF Darmstadt Germany
Ernst‐Berl Institute for Chemical Engineering and Macromolecular Science Technische Universität Darmstadt Darmstadt Germany
Funding
Deutsche Forschungsgemeinschaft
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