Abstract: Provided is a lubricant composition including a bicyclic liquid crystal of formula (1), and a tricyclic liquid crystal compound of formula (2), and having a mixing mass ratio of the bicyclic liquid crystal compound and tricyclic liquid crystal compound of 95:5 to 15:85. The composition is suitable for use in a clean environment, under a high vacuum, under high temperature and a bearing. R1 and R2 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR R11 and R21 are the same or different from each other, and each is —OR. R12, R13, R22 and R23 are the same or different from each other, and each is hydrogen or —OR. R is a linear or branched CnH2n+1, 1?n?20 and R? is methyl or ethyl.

Abstract: Provided is a lubricant composition including a bicyclic liquid crystal of formula (1), and a tricyclic liquid crystal compound of formula (2), and having a mixing mass ratio of the bicyclic liquid crystal compound and tricyclic liquid crystal compound of 95:5 to 15:85. The composition is suitable for use in a clean environment, under a high vacuum, under high temperature and a bearing. R1 and R2 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR R11 and R21 are the same or different from each other, and each is —OR. R12, R13, R22 and R23 are the same or different from each other, and each is hydrogen or —OR. R is a linear or branched CnH2n+1, 1?n?20 and R? is methyl or ethyl.

Abstract: This is to provide an electrically-conductive lubricant having characteristics in combination that it shows liquid crystallinity in a wide temperature range, retains low dynamic friction coefficient, has electrical-conductivity, has almost no loss due to evaporation, decomposition and the like, has a clean appearance, and emits fluorescence, and can find deterioration or leakage immediately. This electrically-conductive lubricant comprises at least one kind of the compound (1) represented by the formula (1): 12:8 wherein, R11 and R21 are the same or different from each other, and each is hydrogen or a group —OCH2CH2CH(R?)CH2CH2OR (R is a linear or branched CnH2n+1, 4?n?12, and R? is methyl or ethyl), and R12, R13, R22 and R23 are the same or different from each other, and each is a group —OCH2CH2CH(R?)CH2CH2OR (R is a linear or branched CnH2n+1, 4?n?12, and R? is methyl or ethyl)].

Abstract: Provided is a lubricant composition including a bicyclic liquid crystal of formula (1), tricyclic liquid crystal compounds of formula (2), and formula (3). The composition is suitable for use in a clean environment, under a high vacuum, under high temperature and a bearing. R1 and R2 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR. R11 and R21 are the same or different from each other, and each is —OR. R12, R13, R22 and R23 are the same or different from each other, and each is hydrogen or a group —OR. R31 and R41 are the same or different from each other, and each is —OCH2CH2CH(R?)CH2CH2OR. R32, R33, R42, and R43 are the same or different from each other, and each is hydrogen or —OCH2CH2CH(R?)CH2CH2OR. R is a linear or branched CnH2n+1, 1?n?20, and R? is methyl or ethyl.

Abstract: This is to provide an electrically-conductive lubricant having characteristics in combination that it shows liquid crystallinity in a wide temperature range, retains low dynamic friction coefficient, has electrical-conductivity, has almost no loss due to evaporation, decomposition and the like, has a clean appearance, and emits fluorescence, and can find deterioration or leakage immediately. This electrically-conductive lubricant comprises at least one kind of the compound (1) represented by the formula (1): [wherein, R11 and R21 are the same or different from each other, and each is hydrogen or a group —OCH2CH2CH(R?)CH2CH2OR (R is a linear or branched CnH2n+1, 4?n?12, and R? is methyl or ethyl), and R12, R13, R22 and R23 are the same or different from each other, and each is a group —OCH2CH2CH(R?)CH2CH2OR (R is a linear or branched CnH2n+1, 4?n?12, and R? is methyl or ethyl)].

Abstract: A component for use in a bearing device according to one embodiment of the present invention includes a lubricant layer on a surface of the component. Here, the lubricant layer contains a rod-like ionic liquid crystal compound having a cation group and an anion group.

Abstract: A magnetic disk according to one embodiment of the present invention includes a base material and a lubricant layer provided on or over a base material. The lubricant layer contains a rod-like ionic liquid crystal compound having a cation group and an anion group.

Abstract: There are provided: a proton transporting material that improves mechanical characteristics of a sulfonated liquid crystalline polymer material, can be kept as a membrane even though it is made a solid state while maintaining a molecular arrangement of a liquid crystalline state, and is suitable for electrolyte membranes of fuel cells etc.; an ion exchange membrane, a membrane electrolyte assembly (MEA), and a fuel cell that use the proton transporting material; a starting material for the proton transporting material. The proton transporting material has a molecular structure produced by crosslinking the sulfonated liquid crystalline polymer material with a crosslinking agent having two or more functional groups in sites except that of the sulfonic acid group.

Abstract: A lubricant additive comprising a rod-like liquid crystal compound possessing a cation group and an anion is disclosed. The rod-like liquid crystal compound is typically a specific type of 4-(1,3-diox-2-yl)pyridinium salt and exhibits an effect of reducing the coefficient of friction if added in a small amount. A lubricant composition and a grease composition comprising the lubricant additive are also disclosed.

Abstract: An liquid crystalline organic semiconductor material practical as an organic semiconductor is provided. The material is a liquid crystal composition having a smectic liquid crystal phase. The liquid crystalline organic semiconductor material has a distyrylbenzene structure of formula (1). When heated to a temperature range for the smectic liquid crystal phase followed by being cooled, the material takes on a solid state as a result of phase transition from the smectic phase. Wherein R1 and R2, which may be the same or different, each represent an alkyl group, an alkoxy group or a group of general formula (2): Wherein R3 represents a hydrogen atom or a methyl group; and B represents —(CH2)m—, —(CH2)m—O—, —CO—O—(CH2)m, —CO—O—(CH2)m—O—, —C6H4—CH2—O— or —CO—.

Abstract: A memory device of the present invention is characterized by a memory device for storing information by making use of molecular alignment of a liquid crystal compound in a liquid crystalline state formed by spot irradiation with a laser beam to carry out a selective heat treatment on an electroconductive liquid crystal semiconductor material layer containing a liquid crystal compound, comprising: a first electrode group including a plurality of linear electrodes which are parallel to each other; an electroconductive liquid crystal semiconductor material layer formed in such a manner that the layer covers the first electrode group, the layer containing a liquid crystal compound having a long linear conjugate structural moiety and exhibiting a smectic phase as a liquid crystal phase; and a second electrode group formed on the electroconductive liquid crystal semiconductor material layer and including a plurality of linear transparent electrodes being parallel to each other and extend in a direction intersecting

Abstract: There are provided: a proton transporting material that improves mechanical characteristics of a sulfonated liquid crystalline polymer material, can be kept as a membrane even though it is made a solid state while maintaining a molecular arrangement of a liquid crystalline state, and is suitable for electrolyte membranes of fuel cells etc.; an ion exchange membrane, a membrane electrolyte assembly (MEA), and a fuel cell that use the proton transporting material; a starting material for the proton transporting material. The proton transporting material has a molecular structure produced by crosslinking the sulfonated liquid crystalline polymer material with a crosslinking agent having two or more functional groups in sites except that of the sulfonic acid group.

Abstract: A memory device includes first electrodes, second electrodes, third electrodes, heaters, and memory cells between the first electrodes and the heaters. Each third electrode is provided on the heaters, and each second electrode is provided at a side portion of the heaters. Each memory cell contains an electroconductive liquid crystal compound having a long linear conjugate structure and exhibiting a smectic phase as a liquid crystal phase. Information can be written in the memory cells by selectively heating the heaters to cause the corresponding memory cells to have both electroconductivity and optical anisotropy.

Abstract: The present invention provides a conductive liquid-crystal material having features including that, for example, excellent conductivity is exhibited at a low threshold voltage of about 5 V even in a room temperature range, the value of resistance varies with an applied voltage, the current density rises sharply at a voltage of about 5 V, and an excellent charge mobility is exhibited, as well as a process for producing the conductive liquid-crystal material, a liquid-crystal composition which is used for the conductive liquid-crystal material, a liquid-crystal semiconductor element, and an information recording medium.

Abstract: An liquid crystalline organic semiconductor material practical as an organic semiconductor is provided. The material is a liquid crystal composition having a smectic liquid crystal phase. The liquid crystalline organic semiconductor material has a distyrylbenzene structure of formula (1). When heated to a temperature range for the smectic liquid crystal phase followed by being cooled, the material takes on a solid state as a result of phase transition from the smectic phase. Wherein R1 and R2, which may be the same or different, each represent an alkyl group, an alkoxy group or a group of general formula (2): Wherein R3 represents a hydrogen atom or a methyl group; and B represents —(CH2)m—, —(CH2)m—O—, —CO—O—(CH2)m, —CO—O—(CH2)m—O—, —C6H4—CH2—O— or —CO—.

Abstract: A lubricant additive comprising a rod-like liquid crystal compound possessing a cation group and an anion is disclosed. The rod-like liquid crystal compound is typically a specific type of 4-(1,3-diox-2-yl)pyridinium salt and exhibits an effect of reducing the coefficient of friction if added in a small amount. A lubricant composition and a grease composition comprising the lubricant additive are also disclosed.

Abstract: A liquid crystalline styryl derivative represented by general formula (1): wherein R1 and R2, which may be the same or different, each represent a straight-chain or branched alkyl group, a straight-chain or branched alkoxy group, a cyano group, a nitro group, F, —C(O)O(CH2)m—CH3, —C(O)—(CH2)m—CH3, or general formula (2); wherein R3 represents a hydrogen atom or a methyl group; B represents —(CH2)m—, —(CH2)m—O—, —CO—O—(CH2)m—, —CO—O—(CH2)m—O—, —C6H4—CH2—O— or —CO—; and m represents an integer of 1 to 18. R1 and R2, which may be the same or different, each preferably represent a branched alkyl or alkoxy group represented by CH3—(CH2)x—CH(CH3)—(CH2)y—CH2— or CH3—(CH2)x—CH(CH3)—(CH2)y—CH2—O—, respectively, wherein x is an integer of 0 to 7, and y is an integer of 0 to 7. The styryl derivative is suitable for use as an organic semiconductor material.

Abstract: A memory device of the present invention is characterized by a memory device for storing information by making use of molecular alignment of a liquid crystal compound in a liquid crystalline state formed by spot irradiation with a laser beam to carry out a selective heat treatment on an electroconductive liquid crystal semiconductor material layer containing a liquid crystal compound, comprising: a first electrode group including a plurality of linear electrodes which are parallel to each other; an electroconductive liquid crystal semiconductor material layer formed in such a manner that the layer covers the first electrode group, the layer containing a liquid crystal compound having a long linear conjugate structural moiety and exhibiting a smectic phase as a liquid crystal phase; and a second electrode group formed on the electroconductive liquid crystal semiconductor material layer and including a plurality of linear transparent electrodes being parallel to each other and extend in a direction intersecting

Abstract: The present invention provides a benzene derivative having a long, linear conjugated structure, the benzene derivative being capable of exhibiting a satisfactory ability to transport charge without photoexcitation, a process for producing the benzene derivative, and a liquid-crystal material and a charge-transport material containing the benzene derivative having a long, linear conjugated structure. That is, a benzene derivative having a long, linear conjugated structure represented by general formula (1): (wherein R1 represents a methyl group or a hydrogen atom, A represents an alkylene group, —CO—O—(CH2)n—, —C6H4—CH2—, or —CO—).

Abstract: A memory device includes first electrodes, second electrodes, third electrodes, heaters, and memory cells between the first electrodes and the heaters. Each third electrode is provided on the heaters, and each second electrode is provided at a side portion of the heaters. Each memory cell contains an electroconductive liquid crystal compound having a long linear conjugate structure and exhibiting a smectic phase as a liquid crystal phase. Information can be written in the memory cells by selectively heating the heaters to cause the corresponding memory cells to have both electroconductivity and optical anisotropy.