Blocked 1,8-diazabicyclo[5.4.0]undec-7-ene bicarbonate catalyst for aerospace sealants |
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| 申请号 | US14964785 | 申请日 | 2015-12-10 | 公开(公告)号 | US09988487B2 | 公开(公告)日 | 2018-06-05 |
| 申请人 | PRC-DeSoto International, Inc.; | 发明人 | Hongying Zhou; Juexiao Cai; Renhe Lin; | ||||
| 摘要 | Compositions comprising sulfur-containing prepolymers such as polythioether prepolymers, polyepoxides, and a blocked 1,8-diazabicyclo[5.4.0]undec-7-ene bicarbonate catalyst useful as aerospace sealants are disclosed. The compositions exhibit extended working time and the curing rate can be tailored for specific applications. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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