08 Mar Phosphorus Flame Retardants
AUTHORS
DATE
March 2021
Research on flame retardancy of polymeric materials as well as developing architecturally designed flame retardant polymers has experienced a tremendous upward trend in the last decade. Phosphorus flame retardants are a broad and expanding class of additive or reactive building-blocks used to improve the fire safety of flammable materials such as plastics, textiles, wood, paper, and other flammable materials.[1] Indeed, with the new environmental restrictions, phosphorus-containing flame retardants have taken a large part of the additive for polymeric material market.
Phosphorus-based flame retardants act mainly in the solid phase of burning polymeric materials and cause the polymer to char, thus inhibiting the pyrolysis process necessary to feed the flames.
Phosphorus containing flame retardants – Principle[2]
Phosphates are widely used in housings for the information technology equipment; phosphonates in polyurethane foams for automotive and building applications and phosphinates are alternatives to brominated flame retardants in engineering plastics including polyesters, polyamides, and elastomers, mainly for electric and electronic applications.[3]
Phosphorus containing building-blocks
Phosphorus chemistry is one of the most significant research area within SPECIFIC POLYMERS. The company offer more than 200 phosphorus containing building-blocks, monomers or polymers that can be of interest in this field of research. There is more to come in this field since SP’s Researcher are aiming to develop biobased phosphorus containing building-blocks for thermoset materials!
A representative sample of our phosphorus containing R&D products is given below. Depending on your needs, SPECIFIC POLYMERS provide custom design services and can developed innovative flame retardants or enhance the fire performances of your material formulations.
Related products
References
[1] E. D. Weil, S. V. Levchik, Phosphorus Flame Retardants, Kirk‐Othmer Encyclopedia of Chemical Technology >
[2] C. Negrell and R. Ménard, Retardateurs de flamme phosphorés commerciaux pour les polymères, Techniques de L’Ingénieure, 2016 >
[3] S.Hörold, Polymer Green Flame Retardants, 2014, Pages 221-254 >
Related sci. publications
- Publication in Polymer Degradation and Stability from José-Marie Lopez-Cuesta and coworkers entitled: “Influence of monomer reactivity on radiation grafting of phosphorus flame retardants on flax fabrics” >
- Publication in European Polymer Journal from Rodolphe Sonnier and coworkers entitled : “Improving the flame retardancy of flax fabrics by radiation grafting of phosphorus compounds” >
- Publication in MDPI from Simon Köning and coworkers entitled : “Melt-Spinning of an Intrinsically Flame-Retardant Polyacrylonitrile Copolymer” >
- Publication in European Polymer Journal from Raphaël Ménard and coworkers entitled : “Synthesis of new flame-retardants by radical chain transfer copolymerization of glycidyl methacrylate and dimethoxy-phosphorylmethyl methacrylate” >
- Publication in European Polymer Journal from Hossein Vahabi and coworkers entitled : “Theoretical and empirical approaches to understanding the effect of phosphonate groups on the thermal degradation for two chemically modified PMMA” >
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