A method for directly preparing luminescent material 8-hydroxyquinoline magnesium
A technology of magnesium hydroxyquinoline and luminescent materials, applied in luminescent materials, chemical instruments and methods, organic chemistry, etc., can solve the problems of low product yield, high production cost, and low product purity, and achieve high purity and low production cost. Low, high yield effect
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Embodiment 1
[0015] According to mol ratio is magnesium oxide: 8-hydroxyquinoline=1:2.08, 2.000 kg magnesium oxide and 14.983kg 8-hydroxyquinoline of reaction raw material are added in the 1000 L hydrothermal reactor; According to the water consumption of every kilogram of reactant is 15 L, add 254.74 L of distilled water into the hydrothermal reactor; pump air to reduce the vacuum degree of the hydrothermal reactor to 0.1 Pa, stop pumping, heat up to 160 °C under stirring, and the reaction time is 100 min; the reaction is completed , cooled to 85°C, filtered, washed the solid product three times with 85°C hot distilled water; then dried the solid product at 105°C for 60 min, cooled to room temperature, and finally obtained the yellow-green 8-hydroxyquinoline magnesium product with a purity of 98 %, the yield is 94%.
Embodiment 2
[0017] According to mol ratio is magnesium oxide: 8-hydroxyquinoline=1:2.10, 1.500 kg magnesium oxide and 11.345kg 8-hydroxyquinoline of reaction raw material are added in the 1000 L hydrothermal reactor; According to the water consumption of every kilogram of reactant is 20 L, add 256.90 L of distilled water into the hydrothermal reactor; pump air to reduce the vacuum degree of the hydrothermal reactor to 0.1 Pa, stop pumping, heat up to 170 °C under stirring, and the reaction time is 90 min; the reaction is completed , cooled to 90°C, filtered, washed the solid product three times with 90°C hot distilled water; then dried the solid product at 105°C for 60 min, cooled to room temperature, and finally obtained the yellow-green 8-hydroxyquinoline magnesium product with a purity of 99 %, the yield is 92%.
Embodiment 3
[0019] According to mol ratio is magnesium oxide: 8-hydroxyquinoline=1:2.06, 3.000 kg magnesium oxide and 22.258kg 8-hydroxyquinoline of reaction raw material are added in the 1000 L hydrothermal reactor; According to the water consumption of every kilogram of reactant is 10 L, add 252.58 L of distilled water into the hydrothermal reactor; pump air to reduce the vacuum degree of the hydrothermal reactor to 0.1 Pa, stop pumping, heat up to 150 °C under stirring, and the reaction time is 120 min; the reaction is completed , cooled to 80°C, filtered, washed the solid product three times with 80°C hot distilled water; then dried the solid product at 105°C for 60 min, cooled to room temperature, and finally obtained the yellow-green 8-hydroxyquinoline magnesium product with a purity of 97 %, the yield is 95%.
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