Method for solving problems of moisture absorption and stickiness of fabric with phosphorus flame retardant coating
A coated fabric, phosphorus-based flame-retardant technology, applied in the direction of flame-retardant fibers, textiles and papermaking, improved hand-feeling fibers, etc., can solve the problems of moisture absorption and stickiness of flame-retardant grades, and achieve energy saving, common and cheap raw materials, Improvement effect of moisture absorption and stickiness defect
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Embodiment 1
[0057] (1) Preparation of silica modified sol
[0058]Add 50mL of absolute ethanol, 0.05mol of methyltrimethoxysilane, and 0.01mol of tetraethyl orthosilicate to the reactor successively, adjust the pH value to 9-10 with ammonia water, and raise the temperature to 50°C; Add 0.04 mol of water dropwise, and continue to stir for 2 hours after the drop of water is completed, so as to obtain a stable, uniform, and transparent silica sol.
[0059] (2) Preparation of phosphorus-silicon synergistic flame retardant
[0060] Add 10% ammonium polyphosphate to the sol prepared above, and stir at high speed for 2 hours until completely and evenly dispersed. Then put the mixture into a constant temperature drying oven at 50°C for 2 hours to make it gel and remove the solvent to obtain a phosphorus-silicon synergistic flame retardant.
[0061] (3) Hydrophobic phosphorus-based flame-retardant coating finishing
[0062] The flame retardant finishing process is: EMU, high-speed rail polyeste...
Embodiment 2
[0072] (1) Preparation of silica modified sol
[0073] Add 60mL of absolute ethanol, 0.05mol of ethyltrimethoxysilane and 0.01mol of tetraethylorthosilicate to the reactor successively, adjust the pH value to 9-10 with ammonia water, and raise the temperature to 50°C; Gradually add 0.04 mol of water, and continue to stir for 2 hours after the water drops to obtain a stable, uniform, and transparent silica sol.
[0074] (2) Preparation of phosphorus-silicon synergistic flame retardant
[0075] Add 15% cresyl diphenyl phosphate to the sol prepared above, and stir at high speed for 2 hours until completely and evenly dispersed. Then put the mixture into a constant temperature drying oven at 50°C for 1 hour to make it gel and remove the solvent to obtain a phosphorus-silicon synergistic flame retardant.
[0076] (3) Flame retardant coating finishing of hydrophobized ammonium polyphosphate
[0077] The flame retardant finishing process is: EMU, high-speed rail polyester fleece s...
Embodiment 3
[0086] (1) Preparation of silica modified sol
[0087] Add 50mL of absolute ethanol, 0.05mol of octadecyltrimethylsilane and 0.01mol of tetraethyl orthosilicate to the reactor successively, adjust the pH value to 9-10 with ammonia water, and raise the temperature to 50°C; Gradually drop 0.04mol of water into the solution, and continue to stir for 2 hours after the water drops, to obtain a stable, uniform and transparent silica sol.
[0088] (2) Preparation of phosphorus-silicon synergistic flame retardant
[0089] Add 10% triisopropylphenyl phosphate to the sol prepared above, and stir at high speed for 2 hours until completely and evenly dispersed. Then put the mixture into a constant temperature drying oven at 50° C. for 1.5 hours to make it gel and remove the solvent to obtain a phosphorus-silicon synergistic flame retardant.
[0090] (3) Flame retardant coating finishing of hydrophobized ammonium polyphosphate
[0091] The flame retardant finishing process is: EMU, high...
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