KR900018331A - Liquid crystal composition using 1,3-dioxane derivative and 1,3-dioxane derivative - Google Patents

Abstract

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Description

Liquid crystal composition using 1, 3-dioxane derivative and 1, 3-dioxane derivative

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Claims (9)

1, 3-dioxane derivative of following General formula (1). Wherein R is a straight alkyl group of 1 to 10 carbon atoms, A is a single bond or a -CH ₂ -CH ₂ -group, X is F or CN, Y is F when X is CN, and X is F If H or F, the cyclohexane ring and the 1, 3-dioxane ring are transbatch. The 1,3-dioxane derivative according to claim 1, wherein the 1,3-dioxane derivative of the following general formula (1-a). Wherein R is a straight alkyl group having 1 to 10 carbon atoms, and the cyclohexane ring and the 1,3-dioxane ring are in a trans configuration. The 1,3-dioxane derivative of the following general formula (1-b) according to claim 1 Wherein R is a straight alkyl group having 1 to 10 carbon atoms, and the cyclohexane ring and the 1,3-dioxane ring are in trans configuration. The 1,3-dioxane derivative according to claim 1, wherein In the above formula, R is a straight alkyl group having 1 to 10 carbon atoms, and the cyclohexane ring and the 1,3-dioxane ring are in a trans configuration. The 1,3-dioxane derivative according to claim 1, wherein the 1,3-dioxane derivative of the following general formula (1-d). Wherein R is a straight alkyl group having 1 to 10 carbon atoms, and the cyclohexane ring and the 1,3-dioxane ring are in trans configuration. The 1,3-dioxane derivative according to claim 1, wherein the 1,3-dioxane derivative of the following general formula (1-e). Wherein R is a straight alkyl group having 1 to 10 carbon atoms, and the cyclohexane ring and the 1,3-dioxane-ring are in the trans configuration. The 1,3-dioxane derivative of the general formula (1-f) according to claim 1 Wherein R is a straight alkyl group having 1 to 10 carbon atoms, and the cyclohexane ring and the 1,3-dioxane ring are in trans configuration. The liquid crystal composition using the 1, 3- dioxane derivative characterized by containing at least 1 component of the 1, 3- dioxane derivative of following General formula (1). Wherein R is a straight chain alkyl group of 1 to 10 carbon atoms, A is a single bond or a -CH ₂ -CH ₂ -group, X is F or CN, Y is F when X is CN, and X is F If H or F, the cyclohexane ring and the 1, 3-dioxane ring are trans batches. 9. A liquid crystal composition using a 1,3-dioxane derivative according to claim 8, which contains 3 to 30% by weight of the 1,3-dioxane derivative of the following general formula (1). Wherein R is a straight alkyl group of 1 to 10 carbon atoms, A is a single bond or a -CH ₂ -CH ₂ -group, X is F or CN, Y is F when X is CN, and X is F If H or F, the cyclohexane ring and the 1, 3-dioxane ring are trans batches. ※ Note: The disclosure is based on the initial application.