Application progress of environmentally friendly composite flame retardants in wood plastic composites
Wood plastic composites(WPC)combine the ecological properties of wood and the processability of plastic are a type of environmentally friendly materials.Based on the current situation where WPC is flammable and produces harmful gases after combustion,it poses a threat to human health and pollutes the environment.A discussion was conducted on further improving the flame retardant efficiency of WPC and meeting environmental conditions.The combustion characteristics of WPC were intro-duced and the research progress on the synergistic improvement of flame retardants and smoke suppression in WPC by compound-ing environmentally friendly flame retardants with other element flame retardants in carbon,metal,mineral,phosphorus,and boron systems were summarized.Compared with single flame retardants,environmentally friendly composite flame retardants have super-riority in flame retardancy and environmental protection.Meanwhile,prospects and suggestions for the future development trend of environmentally friendly wood plastic composite flame retardants were provided.
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