Recording layer dye of recordable disk with high speed
A technology for optical discs and recording layers, applied in the field of phthalocyanine dyes, which can solve the problems of solubility sensitivity, low reflectivity, high jitter rate, and affecting quality
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[0021] Embodiment: the synthesis of phthalocyanine dye
[0022] The present invention is that 10g (7.4mmol) of four-alpha-(alpha-allylborneoxy) copper phthalocyanine (copper tetra-alpha-(alpha-allylborneoxy)phthalocyanine) and 150ml of dichloromethane are placed In a 250ml three-neck round bottom flask, add 0.56g (3.5mmol) of bromine water and stir at room temperature for 1 hour. After the reaction is completed, pour into 10% aqueous sodium bicarbonate solution, add 100ml of dichloromethane for extraction, wash with water, salt out, dry over magnesium sulfate, filter, concentrate under reduced pressure, and use silica gel as a filler for column chromatography to purify. Toluene was used as the eluent; the solid obtained after concentration under reduced pressure was vacuum-dried at 130° C. for 16 hours to obtain 10.5 g of a dark green compound, which was the phthalocyanine dye of the present invention.
[0023] The known structures of phthalocyanine dyes are as follows:
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