Preparation and Characterization of Water-Base Transparent Flame-Retardant Ceramic Coatings for Wood via Sol-Gel Method

Transparent flame-retardant ceramic coatings were prepared via sol-gel method by siloxane and silica sol as the matrix, organophosphates (M102B) as the fire retardant agent, solvent and other additives. Results showed that such coatings had excellent physical and chemical properties. When the weight ratio of M102B reached 3% in the coatings and the cover weight reached 2g/100cm2 on the wood, the limit time of fire-endurance could get to 64 min. The decompose processes and formation of the flame-retardant coatings were investigated by TGA and FTIR.