摘要
对比了聚硫密封剂与单组分室温硫化氟硅密封剂的耐介质性能。通过测试浸泡在3~#喷气燃料、95~#航空汽油2种燃料介质中60℃不同时间间隔(7d、14d、21d)条件下密封剂各种性能变化,研究其耐介质老化性能。结果表明,3~#航空燃料对聚硫及氟硅密封剂的老化性能影响较小;氟硅密封剂比聚硫密封剂有更好的耐95~#航空汽油性能。
In this paper, the oil （95^# gasoline, 3^# jet fuel） resistance performances of one-part P-TV fluorosilicone sealant and polysulfide sealant were compared. The changes of mechanical properties, adhesive properties, volume and mass after immersing in the above two mediums at 60 ℃for different period （7 d, 14 d, 21 d） were discussed to investigate the resistance of medium ageing of the sealants. The results showed that the 3^# jet fuel had small effects on the aging properties of fluorosilicone sealant and polysulfide sealant; fluorosilicone sealant had better ageing resistance than polysulfide sealant in 95＂ gasoline.
作者
杨亚飞
于美超
章谏正
吴松华
YANG Ya-fei YU Mei-chao ZHANG Jian-zheng WU Song-hua(Beijing Institute of Aeronautical Materials, Beijing 100095, China)
出处
《粘接》
CAS
2017年第3期47-49,共3页
Adhesion
关键词
氟硅密封剂
聚硫密封剂
耐介质性
fluorosilicone sealant
polysulfide sealant
oil resistance performance
