Fluorinated silicone lube oil synthetic method
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- SHANGHAI INST OF ORGANIC CHEMISTRY - CHINESE ACAD OF SCI
- Publication Date
- 2003-11-19
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a new method for synthesizing fluorine-silicon lubricating oil from fluorine-containing alkylmethyldichlorosilane, which is to prepare fluorine-containing lubricating oil from a mixture of fluorine-containing alkylmethyldichlorosilane and dihydrocarbyl dichlorosilane through metal oxide dechlorination Mixed rings, followed by ring-opening polymerization catalyzed by strong acid, controlled molecular weight and molecular weight distribution to obtain fluorosilicone lubricating oil with excellent comprehensive performance. Background technique
[0002] Synthetic lubricating oil is the preparation of lubricating oil through chemical synthesis. Its research and development started from the Second World War. At that time, France and Japan, which lacked oil resources, developed such products at any cost for the urgent needs of the war. It is much higher than the mineral oil used in large quantities, so it is currently limited to use ...