Trans electronic control liquid crystal light dimming film and preparation method thereof
A liquid crystal dimming film and electronic control technology, applied in optics, nonlinear optics, instruments, etc., can solve the problems of poor film stability, poor adhesion, difficult to prepare large-area thin films, etc., to achieve thin film, improve The effect of bond strength
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[0041] Example 1
[0042] Step 1: The selected liquid crystals, polymerizable monomers, initiators, and spacer particles are listed in Table 2. The components in Table 2 were mixed according to the ratio, and stirred at room temperature to form an isotropic liquid, and mixed evenly. The total mass of the mixture is 80g.
[0043] Table 2. The ratio of each material used in Example 1
[0044] name Proportion (wt%) HEF951800-10060.0 Polymerizable monomer39.0 Initiator0.5 20μm spacer particles0.5
[0045] Step 2: Using a roll-to-roll processing method, the above solution is sandwiched between two plastic films coated with indium tin oxide (ITO) transparent conductive film to form a film. The film is irradiated by ultraviolet light with a wavelength of 365nm at room temperature, and the ultraviolet light intensity is 0.5mw / cm 2 , The illumination time is 90s, then the film is made into the upper electrode, 50.0Hz, 170v voltage is applied, and 365nm ultraviolet light is used for ...
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[0049] Example 2
[0050] Step 1: The selected liquid crystals, polymerizable monomers, initiators, the names of the spacer particles, and the ratio are listed in Table 3. The components in Table 3 were mixed according to the ratio, and stirred at room temperature to form an isotropic liquid, and mixed uniformly. The total mass of the mixture is 80g.
[0051] Table 3. The ratio of each material used in Example 2
[0052] name Proportion (wt%) DP002-122 72.0 Polymerizable monomer27.0 Initiator0.5 20μm spacer particles0.5
[0053] Step 2: Using a roll-to-roll processing method, the above solution is sandwiched between two plastic films coated with indium tin oxide (ITO) transparent conductive film to form a film. The film is irradiated by ultraviolet light with a wavelength of 365nm at room temperature, and the ultraviolet light intensity is 0.5mw / cm 2 , The illumination time is 90s, then the film is made into the upper electrode, 50.0Hz, 170v voltage is applied, and 365nm ul...
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