Bio-based flame retardants for wood and wood coatings
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In order to improve the fire resistance of flammable and combustible materials different types of flame retardants (FRs) are used, corresponding with particular requirements and material compatibility. Most of the FRs found to be efficient based on halogenated compounds. However, their use has been strictly restricted, particularly in the European countries and North America, since it was shown that some of them, their decomposition products and/or precursors are harmful to human health and environment. More sustainable and environmentally friendly concepts for flame retardation are dealing with bio-based FRs. In the current work, a promising and environmentally friendly approach improving the fire resistance of wood, wood-based materials, and wood coatings is presented.