Electrochromatic epoxy resin polymer and preparation method thereof
An epoxy resin and electrochromic technology, applied in the direction of color-changing fluorescent materials, chemical instruments and methods, etc., can solve the problems of easy peeling off of the film and difficulty in measuring the electrochromic performance, and achieve good bonding performance, good mechanical properties, Good effect of acid and alkali resistance and heat resistance
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[0036] Specific embodiment 1: The chemical structural formula of an epoxy resin polymer with electrochromic properties in this embodiment is as follows:
[0037]
[0038] Among them, n is 10-20, R is
[0039]
[0040]
[0041] The epoxy resin polymer of this embodiment has good bonding performance, shear strength of about 30MPa, good acid and alkali resistance and heat resistance, and the maximum use temperature can reach 120°C. It has good mechanical properties and at the same time has aniline Electrochromic properties. The epoxy resin polymer of this embodiment has a self-luminous response speed 1,000 times that of liquid crystals, and has potential value in the development of molecular designers. The epoxy resin polymer synthesized in this embodiment has an epoxy value of 0.12 to 0.30 equivalent / 100g, and has adhesive and coating properties.
Example Embodiment
[0042] Embodiment 2: The method for preparing an epoxy resin polymer with electrochromic properties of this embodiment is carried out according to the following steps:
[0043] 1. Synthesis of monomer
[0044] a. Mix diaminotriphenylamine derivatives and p-hydroxybenzaldehyde in a molar ratio of 1:2~3 to obtain a mixture; b. The mixture obtained in step a and the solvent have a mass-volume ratio of 0.8~2.1g :100mL mix evenly to obtain the mixed solution, then under the protection of nitrogen, raise the temperature to 120°C~140°C, stir at 20~50rpm for 12h, when the solvent in the mixed solution evaporates to the original volume of the mixed solution At 1 / 4, stop stirring and collect the remaining 1 / 4 volume of liquid; c. Put the remaining 1 / 4 volume of liquid collected in step b into distilled water, let it stand for 6-12 hours, and then set the vacuum to 0.09MPa Carry out suction filtration under vacuum, collect the solid phase, put the collected solid phase into a vacuum oven, an...
Example Embodiment
[0048] Specific embodiment three: This embodiment is different from specific embodiment two in that: the diaminotriphenylamine derivative described in step one is 4,4'-diamino-4"-N-carbazolyl triphenylamine, N, N-bis(4-aminophenyl)-N′,N′-diphenyl-1,4-phenylenediamine, N′-(4-aminophenyl)-N′-(4-ethoxy) Phenyl-1,4-phenylenediamine, N,N'-bis(β-naphthyl)-N,N'-bis(4-aniline) p-phenylenediamine or N'-(4-aminophenyl) -N'-Phenyl-1,4-phenylenediamine, N',N'-diphenyl-N,N'-bis(4-phenylamine) p-phenylenediamine, N',N'-diphenyl -N,N'-bis(4-aniline)benzidine or N,N'-bis(α-naphthyl)-N,N'-bis(4-aniline)benzidine. Others and step two the same.
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