Preparation method of car explosion-proof membrane
A technology for explosion-proof film and vehicles, which is applied in the direction of film/flaky adhesives, coatings, adhesive additives, etc. It can solve the problems of poor heat insulation effect, low transparency, and inability to adjust internal light, etc. Transmittance, enhanced light transmission characteristics, good heat insulation effect
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example 1
[0030] Mix 5g of vanadium pentoxide with 14g of oxalic acid solution with a mass fraction of 20% to obtain a solution to be reduced, mix the solution to be reduced with absolute ethanol at a volume ratio of 1:5, put it into a four-necked flask, and heat it in a water bath Stir the reaction at a speed of 200r / min for 14 hours under the same conditions, and control the temperature of the water bath at 80°C to obtain a vanadium dioxide precursor coating solution; add 40mL of absolute ethanol and 20mL of butyl titanate to the ultrasonic disperser, and control the ultrasonic power to 150W. Ultrasonic dispersion for 4 minutes to obtain a dispersion, the dispersion was placed in a three-necked flask with a stirrer and a dropping funnel, and 20 mL of mediation solution was added to the three-necked flask with a dropping funnel at a rate of 2 mL / min, wherein the mediation solution It is prepared by mixing nitric acid solution with a mass fraction of 20% and N,N-dimethylformamide at a vo...
example 2
[0032] Mix 5g of vanadium pentoxide with 14g of oxalic acid solution with a mass fraction of 20% to obtain a solution to be reduced, mix the solution to be reduced with absolute ethanol at a volume ratio of 1:5, put it into a four-necked flask, and heat it in a water bath Stir the reaction at a speed of 210r / min for 14 hours under the same conditions, and control the temperature of the water bath at 85°C to obtain a vanadium dioxide precursor coating solution; add 45mL of absolute ethanol and 25mL of butyl titanate to the ultrasonic disperser, and control the ultrasonic power to 175W. Ultrasonic dispersion for 5 minutes to obtain a dispersion, the dispersion was placed in a three-necked flask with a stirrer and a dropping funnel, and 23 mL of mediation solution was added to the three-necked flask with a dropping funnel at a rate of 2 mL / min, wherein the mediation solution It is prepared by mixing nitric acid solution with a mass fraction of 20% and N,N-dimethylformamide at a vo...
example 3
[0034] Mix 6g of vanadium pentoxide with 15g of oxalic acid solution with a mass fraction of 20% to obtain a solution to be reduced, mix the solution to be reduced with absolute ethanol at a volume ratio of 1:5, put it into a four-necked flask, and heat it in a water bath Stir the reaction at a speed of 220r / min for 15 hours under the same conditions, and control the temperature of the water bath at 90°C to obtain a vanadium dioxide precursor coating solution; add 50mL of absolute ethanol and 30mL of butyl titanate to the ultrasonic disperser, and control the ultrasonic power to 200W. Ultrasonic dispersion for 6 minutes to obtain a dispersion, the dispersion was placed in a three-necked flask with a stirrer and a dropping funnel, and 25 mL of mediation solution was added to the three-necked flask with a dropping funnel at a rate of 3 mL / min, wherein the mediation solution It is prepared by mixing nitric acid solution with a mass fraction of 20% and N,N-dimethylformamide at a vo...
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