Road guardrail plastic masterbatch for purifying automobile exhaust and preparation method thereof
A technology of automobile exhaust and plastic masterbatch, applied in the field of plastic masterbatch, can solve the problems of unsatisfactory efficiency, affecting purification efficiency, insufficient adsorption, etc., achieve good photocatalytic activity and visible light utilization rate, excellent purification effect, and significant purification effect Effect
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[0023] Example 1
[0024] Mix 97kg of monocyanoamine with 3kg of nano-calcium carbonate, grind for 34min at a speed of 260r / min, then move it into a tube furnace, heat it to 500°C under argon, and keep it for 2h, then continue grinding the product After 48 minutes, first wash with 13% hydrochloric acid by mass concentration for 3 times, then wash with distilled water 3 times, and dry to obtain nano-scale porous graphite phase carbon nitride; then 17kg porous graphite phase carbon nitride and 8kg titanium Add tetrabutyl ester to 34g absolute ethanol, stir vigorously at 500~600r / min for 30~40min to obtain solution A; then immerse 27kg graphene aerogel in solution A, and add 11kg nitric acid / absolute ethanol Mixed solution, nitric acid / anhydrous ethanol mixed solution, the volume ratio of nitric acid with a mass concentration of 15% to anhydrous ethanol is 7:93, continue stirring at 360r / min until a sol is formed; then slowly add 3kg to the sol Sodium borohydride, continue to stir ...
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[0028] Example 2
[0029] Mix 96kg of dicyanoamine and 4kg of nano calcium carbonate, grind at 220r / min for 38min, then move it into a tube furnace, heat to 400℃ in an argon atmosphere, keep it for 3h, then continue grinding the product After 45min, first wash 4 times with hydrochloric acid with a mass concentration of 12%, then wash 2 times with distilled water, and dry to obtain nano-scale porous graphite phase carbon nitride; then 16kg porous graphite phase carbon nitride and 7kg titanium Add tetrabutyl ester to 38kg of absolute ethanol and stir vigorously at 520r / min for 38min to obtain solution A; then, 27kg of graphene aerogel is immersed in solution A, and 9kg of nitric acid / absolute ethanol mixed solution is added. In the mixed solution of absolute ethanol, the volume ratio of nitric acid with a mass concentration of 10% to absolute ethanol is 6:94. Continue stirring at 320r / min until a sol is formed; then slowly add 3kg sodium borohydride to the sol, Continue to stir un...
Example Embodiment
[0031] Example 3
[0032] Mix 98kg of melamine with 2kg of nano calcium carbonate, grind at 280r / min for 32min, then move it into a tube furnace, heat it to 500℃ for 2h in an argon atmosphere, and continue to grind the product for 55min. Then, first wash 4 times with 14% hydrochloric acid by mass concentration, then wash 3 times with distilled water, and dry to obtain nano-scale porous graphite phase carbon nitride; then 17kg porous graphite phase carbon nitride and 9kg tetrabutyl titanate The ester was added to 31kg of absolute ethanol and stirred vigorously at 580r / min for 32min to obtain solution A; then 28kg of graphene aerogel was immersed in solution A, and 11kg of nitric acid / anhydrous ethanol mixed solution, nitric acid / anhydrous In the ethanol mixed solution, the volume ratio of nitric acid with a mass concentration of 20% to anhydrous ethanol is 9:91, continue to stir at a speed of 380r / min until a sol is formed; then slowly add 4kg of sodium borohydride to the sol and ...
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