POSS (Polyhedral Oligomeric Silsesquioxane) hybridized squarine near-infrared absorption dye and preparation method thereof
A technology for absorbing dyes and squaraine is applied in the field of POSS hybrid squaraine near-infrared absorbing dyes and their preparation, and achieves the effects of good economic benefit, improved service life and improved interface performance.
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Embodiment 1
[0037] Preparation of linear POSS hybrid squaraine near-infrared absorbing material, its structural formula is:
[0038]
[0039] among them: for: for: R 1 , R 2 It is halogenated phenyl, halogenated pyrrolyl, halogenated quinolinyl or halogenated indolyl and the like.
[0040] Weigh 0.1mmol of bromosquaraine, 0.1mmol of functional POSS with active group, 0.001mmol (0.27mg) of palladium acetate, 0.0012mmol (0.13mg) of N,N-dimethyl-β-amino acid or triphenyl Phosphorus 0.0012mmol (0.52mg), anhydrous potassium carbonate 0.0015mmol (0.21mg) or anhydrous triethylamine 0.0014mmol (0.27mL) or potassium phosphate 0.0015mmol (0.32mg), placed in a dry with stirring and reflux device In the flask, evacuate and fill with nitrogen for three times under the double-row tube system, then inject 5 mL of N,N-dimethylpyrrolidone or N,N-dimethylacetamide, and heat and reflux at 130~140℃ for 10~21h , Add 50-100mL deionized water to make the precipitation complete, filter to obtain the crude product...
Embodiment 2
[0042] Preparation of dumbbell-shaped POSS hybrid squaraine near-infrared absorbing material, its structural formula is:
[0043]
[0044] among them: for: for: R 1 , R 2 It is halogenated phenyl, halogenated pyrrolyl, halogenated quinolinyl or halogenated indolyl and the like.
[0045] Weigh 0.1mmol of bromosquaraine cyanine, 0.2mmol of functional POSS with active groups, 0.002mmol (0.54mg) of palladium acetate, 0.0024mmol (0.25mg) of N,N-dimethyl-β-amino acid or triphenyl Phosphorus 0.0024mmol (1.04mg), anhydrous potassium carbonate 0.003mmol (0.42mg) or anhydrous triethylamine 0.0028mmol (0.54mL) or potassium phosphate 0.003mmol (0.64mg), placed in a dry with stirring and reflux device In the flask, evacuate and fill with nitrogen for three times under the double-row tube system, then inject 10 mL of N,N-dimethylpyrrolidone or N,N-dimethylacetamide, and heat to reflux at 130~140℃ for 10~21h , Add 50-100mL deionized water to complete the precipitation, filter to obtain the cr...
Embodiment 3
[0047] Preparation of network type POSS hybrid squaraine cyanine near-infrared absorbing material, its structural formula is:
[0048]
[0049] among them: for: for: R 1 , R 2 It is halogenated phenyl, halogenated pyrrolyl, halogenated quinolinyl or halogenated indolyl and the like.
[0050] Weigh 0.2mmol bromosquaraine cyanine, 0.1mmol functional POSS with active groups, palladium acetate 0.001mmol (0.27mg), N,N-dimethyl-β-amino acid 0.0012mmol (0.13mg) or triphenyl Phosphorus 0.0012mmol (0.52mg), anhydrous potassium carbonate 0.003mmol (0.42mg) or anhydrous triethylamine 0.0028mmol (0.54mL) or potassium phosphate 0.003mmol (0.64mg), placed in a dry with stirring and reflux device In the flask, evacuated and filled with nitrogen three times under the double-row tube system, then inject 7.5 mL of N,N-dimethylpyrrolidone or N,N-dimethylacetamide, and heat to reflux at 130~140℃ for 10~ 21h, add 50-100mL deionized water to make the precipitation complete, filter to obtain the crud...
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