Liquid crystal composition containing tetrahydrofuran compounds and application thereof
A technology of liquid crystal composition and tetrahydrofuran, applied in liquid crystal materials, chemical instruments and methods, optics, etc., can solve problems such as high viscosity, low resistivity, poor light stability and thermal stability
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[0116] The preparation of the liquid crystal composition in the embodiments of the present invention adopts the following methods:
[0117] The uniform liquid crystal is prepared by the thermal dissolution method commonly used in the industry. First, the liquid crystal compound is weighed by weight percentage with a balance. There is no specific requirement for the order of weighing and adding. Usually, the liquid crystal compound is weighed and mixed in the order of the melting point of Heat and stir at 60-100°C to make each component melt uniformly, then filter, rotate and steam, and finally package to obtain the target sample.
[0118] Unless otherwise stated, percentages in the context are percentages by weight and all temperatures are given in degrees Celsius. In addition, the following abbreviations are used: Δn is optical anisotropy (20°C), Δε is dielectric constant anisotropy (25°C, 1000 Hz); V 10 Is the threshold voltage, which is the characteristic voltage (V, 25℃) when t...
Example Embodiment
[0131] Example 1
[0132] Take the following weight percentage of the liquid crystal compound and prepare the liquid crystal composition by the above preparation method. The specific ratio and the performance parameters of the obtained liquid crystal composition (not each component) are shown in Table 1:
[0133] Table 1: The weight percentage of each component in the liquid crystal composition of Example 1 and the performance parameters of the overall composition
[0134] Code
Example Embodiment
[0135] Example 2
[0136] Take the following weight percentage of the liquid crystal compound, and prepare the liquid crystal composition by the above preparation method. The specific ratio and the performance parameters of the obtained liquid crystal composition (not each component) are shown in Table 2:
[0137] Table 2: The weight percentage of each component in the liquid crystal composition of Example 2 and the performance parameters of the overall composition
[0138] Code
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