ELECTRICALLY-CONDUCTIVE LUBRICANT

• Main Authors: OTSUKI HIROYUKI, OKAMOTO KAZUO, HARAMOTO YUICHIRO, ITABASHI SHIGEMASA, TAKEMURA AYANA
• Format: Patent
• Language: English; Korean
• Published: 28.05.2024
• Subjects: CHEMISTRY; FUELS; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

넓은 온도 범위에 있어서 액정성을 나타내고, 낮은 운동 마찰 계수를 유지하고, 도전성을 갖고, 증발, 분해 등에 의한 손실이 거의 없고, 청결한 외관을 갖고, 형광을 발하기 때문에, 열화나 누설을 즉시 발견할 수 있다는 특성을 겸비하는 도전성 윤활제를 제공한다. 식 (1): JPEGpat00073.jpg35143 [식 중, R11 및 R21은 동일하거나 또는 다르고, 수소 또는 기 -OCH2CH2CH(R')CH2CH2OR(R은 직쇄 또는 분지쇄의 CnH2n+1이며, 4≤n≤12이며, R'는 메틸 또는 에틸임)이며, R12, R13, R22 및 R23은 동일하거나 또는 다르고, 기 -OCH2CH2CH(R')CH2CH2OR(R은 직쇄 또는 분지쇄의 CnH2n+1이며, 4≤n≤12이며, R'는 메틸 또는 에틸임)이다]로 표시되는 화합물 (1)을 적어도 1종 포함하는 도전성 윤활제로 한다. 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.