Structure Characterization of Fluorosilicone Oils
Structure Characterization of Fluorosilicone Oils作者机构:Beijing University of Chemical Technology Beijing 100029 SINOPEC Research Institute of Petroleum Processing Beijing 100083
出 版 物:《China Petroleum Processing & Petrochemical Technology》 (中国炼油与石油化工(英文版))
年 卷 期:2011年第13卷第4期
页 面:53-57页
核心收录:
学科分类:081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术]
主 题:fluorosilicone oil molecular structure lubricity antioxidant
摘 要:Fluorosilicone oil is polysiloxane with alkyl side chains containing fluorine, and because of its excellent thermal oxidation stability, cold flow property and cryogenic property, it can be widely used as a high temperature lubricant in the field of military aerospace industry. Two kinds of fluorosilicone oils, FSiO-a and FSiO-b, were synthesized by different pro- cessing means. FTICR MS was used to collect the information on composition and structure of the two polymers, respec- tively. The test results show that the two fluorosilicone oils have different contents of fluorine-containing chain segments (m/ n value), the maximum distribution of m/n value of FSiO-a oil ranges from 0.22 to 0.25, and that of FSiO-b oil ranges from 0.4 to 0.67. Difference in synthesis techniques makes this discrepancy and affects the quality and thermal stability of the fluoro- silicone oils.