一种含环状侧链烷基萘化合物的锂基润滑脂及其制备方法和应用
By using a mixture of cyclic side-chain alkyl naphthalene compounds and polyalphaolefin synthetic oil as a base oil in lithium-based greases, combined with a saponification reaction, the problem of scarce cycloalkyl oil resources is solved, resulting in cost reduction and improved lubrication performance.
CN117866685BActive Publication Date: 2026-07-17TAIYUAN UNIVERSITY OF TECHNOLOGY
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TAIYUAN UNIVERSITY OF TECHNOLOGY
- Filing Date
- 2024-01-02
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Among existing lithium-based greases, naphthenic oils are scarce and expensive, resulting in high production costs and room for improvement in lubrication performance.
Method used
A lithium-based grease was prepared by mixing a cyclic side-chain alkyl naphthalene compound with polyalphaolefin synthetic oil as the base oil and by saponification reaction of mixed fatty acids and lithium hydroxide, thereby optimizing the thickening performance.
Benefits of technology
It reduces the amount of thickener used, saves production costs, improves lubrication performance, solves the problem of naphthenic oil resource shortage, and provides better lubrication effect.
✦ Generated by Eureka AI based on patent content.
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Figure CN117866685B_ABST
Abstract
本发明提供了一种含环状侧链烷基萘化合物的锂基润滑脂及其制备方法和应用，属于润滑脂技术领域。本发明所述的含环状侧链烷基萘化合物的锂基润滑脂的制备方法具体包括以下步骤：将由萘、多环烷烃和离子液体催化剂混合进行催化反应得到的环状侧链烷基萘化合物与聚α烯烃合成油混合，后将部分基础油、十二羟基硬脂酸、部分硬脂酸与氢氧化锂水溶液混合进行皂化反应，后依次加入剩余硬脂酸、剩余基础油反应，最后晶化得到润滑脂。本发明通过在基础油中添加环状侧链烷基萘化合物，改善了聚α烯烃合成油的稠化性能，可以降低稠化剂的使用量，同时具有良好的润滑性能，解决了环烷基油资源短缺的问题。
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