The invention discloses a guerbet alcohol cyclopentane carboxylic acid ester lubricant and a preparation method thereof. The preparation method includes: taking cyclopentane-carboxylic acid and guerbet alcohol as raw materials, acidic ionic liquid as a catalyst and methylbenzene as a solvent and subjecting the compound to reaction for 2-4 hours under condition of reflux to obtain a target product. The compound serving as basic oil for the lubricant and lubricating grease is suitable for lubrication of various friction pairs such as steel/steel and ceramic/steel and can be applied to liquid lubrication under harsh conditions (high speed, high low temperature, high vacuum and the like) of space mechanisms.
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Paragraph 0020
(2017/11/01)
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