Color polymer dispersed liquid crystal thin film and preparation method thereof
A technology for dispersing liquid crystals and polymers, applied in liquid crystal materials, chemical instruments and methods, optics, etc., can solve problems such as single color and limited use, and achieve bright dyeing, high contrast, and beautiful visual effects
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[0013] Example 1
[0014] Use nematic liquid crystal E7, polythiol compound (T-35) and bisphenol A epoxy resin (E-51), the mass ratio of two thermally polymerized monomers is 1:1, liquid crystal and polymerized monomer The mass ratio is 4:6. Choose oil-soluble azo blue dye, which accounts for 1% of the total mass of liquid crystal and polymerized monomer, mix the dye and liquid crystal uniformly at room temperature, and then add bisphenol A epoxy resin and stir. Then, spacer particles with a diameter of 20 microns are added to the stirring system, and the spacer particles account for 0.5% of the total mass of the liquid crystal and the polymerized monomer. Then add the polythiol compound, stir for 5 minutes and add the curing agent. The curing agent accounts for 2% of the total mass of the polymerized monomer. After stirring for 3 minutes, the mixture is sandwiched between two layers of indium tin oxide coated polyester conductive film. The rollers are extruded to obtain a film...
Example Embodiment
[0016] Example 2
[0017] Use nematic liquid crystal slc1717, polythiol compound (T-35) and bisphenol A epoxy resin (E-51), the mass ratio of two thermally polymerized monomers is 1:1.2, liquid crystal and polymerized monomer The mass ratio is 9:11. The oil-soluble anthraquinone red dye is selected, which accounts for 1.5% of the total mass of the liquid crystal and polymerized monomer. The dye and the liquid crystal are mixed uniformly at room temperature, and then the bisphenol A epoxy resin is added and stirred. Then, spacer particles with a diameter of 15 microns are added to the stirring system, and the spacer particles account for 0.5% of the total mass of the liquid crystal and the polymerized monomer. Then add polythiol compound, add curing agent after stirring for 4 minutes. The curing agent accounts for 5% of the total mass of polymerized monomer. After stirring for 3 minutes, the mixture is sandwiched between two layers of indium tin oxide coated polyester conductive ...
Example Embodiment
[0018] Example 3
[0019] Use nematic liquid crystal slc7011, polythiol compound (T-35) and bisphenol A epoxy resin (E-54), the mass ratio of two thermally polymerized monomers is 1:1, liquid crystal and polymerized monomer The mass ratio is 1:1. Choose oil-soluble azo yellow dye, which accounts for 2% of the total mass of liquid crystal and polymerized monomer, mix the dye and liquid crystal uniformly at room temperature, and then add bisphenol A epoxy resin and stir. Then, spacer particles with a diameter of 25 microns are added to the stirring system, and the spacer particles account for 0.6% of the total mass of the liquid crystal and the polymerized monomer. Then add the polythiol compound, stir for 5 minutes and add the curing agent. The curing agent accounts for 7% of the total mass of polymerized monomers. After stirring for 3 minutes, the mixture was sandwiched between two layers of indium tin oxide-plated polyester conductive film and squeezed with a roller to obtain ...
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