Carboxyl group and sulfhydryl group double-functionalization-based preparation method of rare earth organic and inorganic semiconductor illumination gelatin
An inorganic semiconductor, rare earth organic technology, applied in the field of fluorescent materials, to achieve the effect of good color purity, good reproducibility, and strong operability
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Embodiment 1
[0032] 20mmol of tetrabutyl titanate was added to 80ml of 30% hydrogen peroxide, placed in a 150ml beaker, stirred for 30 minutes, and then heated at 100°C for 6 hours to dry. Dry amorphous titanium dioxide was placed in a small crucible and heated at 450°C for 6 hours. Naturally cooled to room temperature, the resulting white solid was finely ground for use. Add 247 mg of propyltriethoxysilane isocyanate to 1 mmol of mercaptobenzoic acid, add 5 ml of anhydrous tetrahydrofuran as a solvent, place in a 150 ml flask, and stir at 60-70 degrees for 3 hours. Another 80 mg of anatase titanium dioxide was dissolved in 20 ml of anhydrous tetrahydrofuran, and an equal amount of acetic acid was added to stir, and then the obtained product was added to the above-mentioned isocyanic acid-modified mercaptobenzoic acid solution, and the whole solution was controlled at 70°C under nitrogen protection. Heated to reflux for 3h. The resulting solution was dissolved in 20ml of nitrogen, nitrog...
Embodiment 2
[0034]20mmol of tetrabutyl titanate was added to 80ml of 30% hydrogen peroxide, placed in a 150ml beaker, stirred for 30 minutes, and then heated at 100°C for 6 hours to dry. Dry amorphous titanium dioxide was placed in a small crucible and heated at 450°C for 6 hours. Naturally cooled to room temperature, the resulting white solid was finely ground for use. Add 1 mmol of chloropropyltriethoxysilane to 1 mmol of mercaptobenzoic acid, add 5 ml of anhydrous tetrahydrofuran as a solvent, place in a 150 ml flask, and stir at 60-70 degrees for 3 hours. Another 80 mg of anatase titanium dioxide was dissolved in 20 ml of anhydrous tetrahydrofuran, and an equal amount of acetic acid was added to stir, and then the resulting product was added to the mercaptobenzoic acid solution modified by the chloropropyl coupling agent. The whole solution was controlled at 70 ° C. Heated to reflux for 3h under the protection of nitrogen. The resulting solution was dissolved in 20ml of nitrogen, ni...
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