1引言氟硅弹性体因主链结构的硅氟键和侧链结构的氛烷基，具有优异的耐高温燃油性能。随着航天航空和石化工业的不断发展，应用部门对密封材料适用范围提出了越来越高的要求。多年来，人们致力于新型结构氟硅弹性体的研究以期达到更高或更低温度下的应用。本文对得到的三种结构 1 Introduction Fluorosilicone elastomer due to the main structure of silicon fluorine bond and side chain structure of the alkyl group, has excellent high temperature fuel performance. With the continuous development of aerospace and petrochemical industries, the application department has put forward higher and higher requirements on the scope of application of sealing materials. Over the years, people are committed to the new structure of fluorosilicone elastomer research in order to achieve higher or lower temperature applications. This article on the three structures obtained