单组分室温硫化硅橡胶耐热性的研究进展  

Research Progress on Heat Resistance of RTV-1 Silicone Rubber

作　　者：湛露[1] 陈海平[1] 苗刚[1] 李利燕[1] 

机构地区：[1]湖北兴发化工集团股份有限公司,湖北宜昌443000

出　　处：《有机硅材料》2015年第2期155-159,共5页Silicone Material

摘　　要：介绍了单组分室温硫化(RTV-1)硅橡胶的热氧老化机理,综述了提高RTV-1硅橡胶耐热性能的主要方法:改变聚硅氧烷结构,包括主链、侧基结构、摩尔质量及端羟基含量、使用新的硫化体系;加入添加剂,包括耐热添加剂、填料、硅树脂及硅氮化合物等。The thermal aging mechanism of RTV-1 silicone rubber was introduced.The major approaches to improve the heat resistance of RTV-1 silicone rubber, i.e.changed the structure of polysiloxane, including the structure of backbone and side group, molar mass, hydroxyl-terminated content and using a new curing system, as well as adding additives, including heat resistant additives, fillers, silicone resin and silicone ni-trogen compounds, were reviewed..

关 键 词：室温硫化硅橡胶 耐热性 热氧化性 降解 添加剂 

分 类 号：TQ333.93[化学工程—橡胶工业]