Special Issue "Bio-based Halogen-free Flame Retardant Polymeric Materials"

Submission Deadline: 30 September 2021
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Guest Editors
Xin Wang, Associate Professor, University of Science and Technology of China, China.
Dr. Xin Wang is an associate professor in the University of Science and Technology of China (USTC). He obtained his PhD in Safety Science and Engineering from the USTC in 2013. His research interests focus on synthesis of bio-based halogen-free flame retardants and preparation of novel nanomaterials, and their use in flame retardant polymeric composites. Up to now, he has been authored or co-authored more than 130 SCI-indexed papers in the peer-reviewed international journals (including 6 ESI highly-cited papers, total citations 6040, H index = 45), 5 book chapters and 1 monograph in this field.


The extensive utilization of polymeric materials in our daily life is driven by their superior comprehensive properties. However, polymeric materials are apt to be ignited with fast flame spread rate as well as the release of massive toxic gases and smoke during combustion. As a consequence, the relatively high fire hazards of polymeric materials account for a large number of property loss and casualties in polymer-related fire accidents every year worldwide. Thus, fire safety requirements on polymeric materials are currently attracting more and more attention in terms of difficulty of ignition, low heat release rate and low production of toxic gases and smoke. Over the past few decades, flame retardant technology from bio-based resources has gained increasing interests owing to increasing awareness on environmental protection and sustainable development. Bio-based halogen-free flame retardant is a hot research area nowadays as it is safe, non-toxic and sustainable flame retardant. This special issue mainly focuses on the latest advances in bio-based halogen-free flame retardant polymeric materials application. The scope of interests includes but is not limited to the following topics:


(1) Flame retardant additives derived from bio-based resources;

(2) Bio-based intrinsically flame retardant polymeric materials;

(3) Flame retardancy of bio-based or renewable polymer composites;

(4) Flame retardant polymer/natural fibers composites;

(5) Thermal degradation of bio-based or renewable polymer composites;

(6) Smoke suppression of bio-based or renewable polymer composites.

Bio-based resources; Polymeric materials; Flame retardant; Thermal degradation; Smoke suppression

Published Papers
  • Study of Burning Behaviors and Fire Risk of Flame Retardant Plywood by Cone Calorimeter and TG Test
  • Abstract A flame retardant composition was prepared by using phosphoguanidine, guanidine sulfamate, disodium octaborate tetrahydrate and dodecyl dimethyl benzyl ammonium chloride. Veneers were immersed in such flame retardant mixture to prepare plywood. The combustion characteristics and thermal stability of plywood were assessed using a cone calorimeter and TG. Results showed that: (1) High concentration and loading of flame retardant were beneficial for the fire resistance of the plywood. (2) The limiting oxygen index (LOI) and residual mass of plywood processed using the flame retardant was increased by 87.52% and 58.66% compared to those of the untreated plywood, while the average heat… More
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  • Preparation and Properties of Bio-Based Flame Retardant L-APP/Poly(L-lactic acid) Composites
  • Abstract Poly(L-lactic acid) (PLLA) is a thermoplastic material with complete degradability, high biocompatibility and excellent mechanical properties. It can replace petroleum-based polymers are currently being used in the fields of packaging, agriculture, textiles, medical and so on. However, PLLA’s extremely flammability greatly limits its wider application. An bio-based flame retardant L-APP/PLLA composites was prepared by melt blending of the L-APP and PLLA. The morphology, impact properties, thermal properties and flame retardant properties of composites were investigated by field emission scanning electron microscope (SEM), impact tester, differential scanning calorimeter (DSC), thermogravimetric analyzer (TGA), limiting oxygen indexer (LOI) and horizontalvertical burning tester. The… More
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