摘要
用硅烷偶联剂KH-590对纳米二氧化硅表面进行改性。考查了偶联剂用量、改性温度及时间对改性效果的影响。确定最佳改性条件为:硅烷偶联剂KH-590质量分数为5%,反应温度70℃,反应时间4h。并将改性后纳米二氧化硅用于聚硫密封剂中,提高了聚硫密封剂的耐老化和粘接性能。
The nano-silica surface was modified using silane coupling agent KH-590.The effect of modifier amount,modification temperature and time on the modification effect was investigated.The optimal modification conditions obtained were as follows：KH-590 content is 5%,reaction temperature is 70~（2 and reaction time is 4 h.And the results indicated that the aging and bonding properties are improved by using modified nano-silica in the polysulfide sealants
出处
《粘接》
CAS
2013年第8期39-41,38,共4页
Adhesion
关键词
纳米二氧化硅
硅烷偶联剂
表面改性
聚硫密封剂
nano-silica
silane coupling agent
surface modification
polysulfide sealant
