Furaldehyde-triphenylamine Schiff base and furaldehyde-triphenylamine poly Schiff base as well as preparation methods thereof
A technology of triphenylamine poly-Schiff base and triphenylamine-Schiff base, which is applied in the field of Schiff base and poly-Schiff base and its preparation, and can solve problems such as low adhesion, difficult coating processing, and difficult poly-Schiff base polymers, etc. problem, to achieve good adhesion effect
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specific Embodiment approach 1
[0028] Specific embodiment one: the present invention adopts the method for electrochemical polymerization, and specific implementation steps are as follows:
[0029] 1. Synthesis of monomers: Dissolve monoaminotriphenylamine in an organic solvent, then add furyl formaldehyde, and then add catalyst glacial acetic acid; then heat and stir under nitrogen protection to 110°C~112°C, and at 110°C~112°C Condensation and reflux reaction at ℃ for 3-5 hours to obtain a transparent orange-yellow solution. Distill the obtained transparent orange-yellow solution under reduced pressure to obtain a solid. Recrystallize the obtained solid for 1-3 times and dry it in vacuum to obtain N-furan Methylene-N'-diphenyl-N'-4-aniline solid; the molar ratio of the monoaminotriphenylamine and furan formaldehyde is 1: (1-3); the organic solvent is toluene, dimethyl Formamide, tetrahydrofuran, dimethylacetamide or N-methylpyrrolidone; the molecular formula of the N-furyl methylene-N'-diphenyl-N'-4-anilin...
specific Embodiment approach 2
[0035] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the molar ratio in the step one is: monoaminotriphenylamine: furfural = 1: 1.5. Others are the same as in the first embodiment.
specific Embodiment approach 3
[0036] Embodiment 3: This embodiment has the same point as Embodiment 1 or Embodiment 2: in step 1, the reaction time of condensation and reflux at 110° C. to 112° C. is 4 hours. Others are the same as those in the first or second embodiment.
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