耐高温有机硅弹性体材料的研究进展

The Progress in Study of High Temperature Resistant Organosilicone Elastomers

耐高温有机硅弹性体材料是国防、航天航空、电子电气、交通运输等高科技领域不可缺少的材料。总结了耐高温有机硅弹性体材料的分子结构及其合成方法的新进展,同时综述了分子结构与高低温性能之间的关系,指出了今后耐高温有机硅弹性体材料的研究方向。脱氢偶合和脱RH缩合是合成这类材料的新的有效方法。

High temperature resistant organosilocone elastomer may find applications in advanced technological areas （aerospace,defense, computer applications and so on）. The progress in the study of the molecular structure and synthesis methods of high temperature resistant organosilicone elastomers are reviewed in this article. The relationship between structure and high and low temperature performance is also reviewed. Dehydrocoupling polymerization and polvcondensation between organohydrosilanes and organoalkoxysilanes are newly developed effective methods to obtain this material. The research orientation of this kind of materials is commented in the article.