Preparation method of water-based fluorescent paint
A technology of fluorescent coatings and fluorescent pigments, applied in the field of nanomaterials, can solve the problems of troublesome post-processing, complex wastewater components, and high production costs
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[0021] Further illustrate by embodiment below in conjunction with accompanying drawing:
[0022] 1 Ligand synthesis and characterization
[0023] 1.1 Synthesis and characterization of 4-((4′-butoxyphenyl)(4″-nitrophenyl)amino)benzaldehyde
[0024]
[0025] Synthesis of Scheme 4-[(4′-butoxyphenyl)4″-nitrophenyl]aminobenzaldehyde
[0026] Weigh 2.88g (10mmol) of 4-butoxybenzene-(4'-nitro)aniline, 3.72g (30mmol) of p-fluorobenzaldehyde, and 2.0g (15mmol) of potassium carbonate, and place them in a 150ml volumetric flask. Add phase transfer catalyst Aliquat-336 (trioctylmethylammonium chloride) 0.5mmol, DMSO (dimethyl sulfoxide) 30ml as solvent, slowly heat to 90 ° C, react for 72h, TLC tracking reaction progress, when the raw material point disappear completely, stop the reaction, and cool to room temperature. Pour it into a beaker, add a large amount of ice water, extract 3-5 times with ethyl acetate, collect the organic phase, and dry it with anhydrous magnesium sulfate f...
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