Liquid crystal composite containing difluorooxymethylene bridge polar monomer compound
A technology of difluoromethoxy bridge and liquid crystal composition, which is applied in the direction of liquid crystal materials, chemical instruments and methods, can solve the problems of low voltage retention rate, poor chemical stability, and limited application, and achieve low rotational viscosity, low viscosity, The Effect of Fast Response Time
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[0031] The present invention will be further described in detail below in conjunction with the examples.
[0032] The percentages in this manual are all mass percentages; the temperature is in degrees Celsius (°C); the specific meanings and test conditions of other symbols are as follows:
[0033] c.p. (°C) represents the clearing point of liquid crystal; S→N represents the melting point (°C) from crystal state to nematic phase of liquid crystal; △n is optical anisotropy, no is the refractive index of ordinary light, ne is the value of extraordinary light Refractive index, the test conditions are: 589nm, 25°C; △ε is dielectric anisotropy, △ε=ε ∥ -ε ⊥ , where ε ∥ is the dielectric constant parallel to the molecular axis, ε ⊥ is the dielectric constant perpendicular to the molecular axis, the test conditions are: 25°C, 1KHz, HP4284A, 5.2 micron TN left-handed cell; τ is the response time (ms), the test instrument is DMS-501, the test conditions are: 25±0.5°C , the test box i...
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