Article Dans Une Revue Polymers Année : 2019

Flame Retardancy Index for Thermoplastic Composites

Résumé

Flame Retardancy Index, FRI, was defined as a simple yet universal dimensionless criterion born out of cone calorimetry data on thermoplastic composites and then put into practice for quantifying the flame retardancy performance of different polymer composites on a set of reliable data. Four types of thermoplastic composites filled with a wide variety of flame retardant additives were chosen for making comparative evaluations regardless of the type and loading level of the additive as well as the irradiance flux. The main features of cone calorimetry including peak of Heat Release Rate (pHRR), Total Heat Release (THR), and Time-To-Ignition (TTI) served to calculate a dimensionless measure that reflects an improvement in the flame retardancy of nominated thermoplastic composites with respect to the neat thermoplastic, quantitatively. A meaningful trend was observed among well-classified ranges of FRI quantities calculated for the studied dataset on thermoplastic composites by which “Poor”, “Good”, and “Excellent” flame retardancy performances were explicitly defined and exhibited on logarithmic scales of FRI axis. The proposed index remains adaptable to thermoplastic systems whatever the polymer or additive is.

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Dates et versions

hal-02056818 , version 1 (03-04-2025)

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Henri Vahabi, Baljinder Kandola, Mohammad Reza Saeb. Flame Retardancy Index for Thermoplastic Composites. Polymers, 2019, 11 (3), pp.407. ⟨10.3390/polym11030407⟩. ⟨hal-02056818⟩
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