Ushio Chemix Corporation

Nippon Thompson Co., Ltd.

University of Yamanashi

Organo Science Co., Ltd.

Hiroyuki Otsuki

Kazuo Okamoto

Shigemasa Itabashi

Ayana Takemura

Yuichiro Haramoto

Masanori Tsutsui

Yoshihito Kunugi

Akira Honma

Provided is an organic transistor material characterized by having a trans-1,4-disubstituted cyclohexane structure derived from a compound represented by Formula (1). In Formula (1), X represents a skeleton in which plural phenylene groups or naphthylene groups are linked directly or via a vinyl group, a condensed polycyclic hydrocarbon skeleton, or a heterocyclic compound skeleton; m, n, p, and q each independently represent 0 or 1; and R1 and R2 each independently represent an alkyl group or haloalkyl group having 1 to 15 carbon atoms. This organic transistor material has high carrier mobility and excellent thermal stability.

Organic transistor material and organic transistor

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. Rand Rare the same or different from each other, and each is —OCHCHCH(R')CHCHOR. Rand Rare the same or different from each other, and each is —OR. R, R, Rand Rare the same or different from each other, and each is hydrogen or a group —OR. Rand Rare the same or different from each other, and each is —OCHCHCH(R')CHCHOR. R, R, R, and Rare the same or different from each other, and each is hydrogen or —OCHCHCH(R′)CHCHOR. R is a linear or branched CH, 1≤n≤20, and R′ is methyl or ethyl.

Electrically-conductive lubricant

Provided are a lubricant composition which is advantageous in that, when applied to a contact area of metal parts, the lubricant composition can suppress generation of rust and can exhibit excellent lubricating performance, and a bearing the lubricant composition having sealed therein. A lubricant composition comprising at least one dicyclic liquid crystal compound represented by the following formula (1), at least one tricyclic liquid crystal compound represented by the following formula (2), and halogen ions, wherein the content of the halogen ions in the lubricant composition is 1 to 900 ppm.

Lubricant composition and bearing having the same sealed therein

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. Rand Rare the same or different from each other, and each is &#x2014;OCHCHCH(R')CHCHOR Rand Rare the same or different from each other, and each is &#x2014;OR. R, R, Rand Rare the same or different from each other, and each is hydrogen or &#x2014;OR. R is a linear or branched CH, 1&#x2264;n&#x2264;20 and R&#x2032; is methyl or ethyl.

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,

An organic semiconductor material having a chrysene skeleton by limiting a compound having particular transistor performance. The chrysene compound is represented by the following chemical formula: In the chemical formula, R2 and R8 are not the same functional group, and independently includes at least one of a hydrogen atom, a substituted or non-substituted aryl group, a substituted or non-substituted heterocyclic group and a substituted or non-substituted alkyl group.

Growing community of inventors

Shizuoka, Japan

Hiroyuki Otsuki