Nonconsumable wood flame retardant and its preparation
A flame retardant, anti-loss technology, applied in the field of flame retardants, can solve the problems of excessive formaldehyde emission and perishable wood
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Embodiment 1
[0023] Put 21.OKg of formaldehyde, 4Kg of ammonia water, 4.OKg of urea and 8.OKg of melamine into the reaction kettle, raise the temperature to 80-90°C and keep it warm for 30-60min, then cool it down to 60-70°C, add about 0.5Kg of phosphoric acid, and keep it warm for 30min , add polyethylene glycol 12.0Kg, stir for 20 minutes, adjust the pH value of the material to 5.0 with phosphoric acid or ammonia water, add 20Kg of water and 0.3Kg of urea to continue stirring, and discharge the material after the temperature is 40-50°C, which is the wood of the present invention. Anti-bleed flame retardant.
Embodiment 2
[0025] Put 23.OKg of formaldehyde, 4Kg of ammonia water, 3.8Kg of urea and 10.OKg of melamine into the reaction kettle, raise the temperature to 80-90°C and keep it for 30-60min, cool down to 60-70°C, add about 0.5Kg of phosphoric acid, and keep it for 30min. Add 11.0Kg of pentaerythritol, stir for 20 minutes, adjust the pH value of the material to 5.0 with phosphoric acid or ammonia water, add 20Kg of water and 0.4Kg of urea to continue stirring, and discharge the material after the temperature is 40-50°C, which is the wood loss resistance type of the present invention. Fuel.
Embodiment 3
[0027] Put 26.5Kg of formaldehyde, 4Kg of ammonia water, 4.Kg of urea and 4.5Kg of melamine into the reaction kettle, raise the temperature to 80-90°C and keep it for 30-60min, cool down to 60-70°C, add about 0.5Kg of phosphoric acid, keep it warm for 30min, add Dextrin 9.0Kg, after stirring for 20 minutes, adjust the pH value of the material to 5.0 with phosphoric acid or ammonia water, add 20Kg of water and 0.8Kg of urea to continue stirring, and discharge after the temperature is 40-50°C, which is the wood loss-resistant type of the present invention. Fuel.
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