Michael acceptor-terminated urethane-containing fuel resistant prepolymers and compositions thereof
US9328274B2 · kind B2 · utility
1Cited by
19References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2014 |
| Grant date | May 3, 2016 |
| Priority date | — |
| Expiry date | Mar 26, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2190/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Urethane-containing prepolymers formed from diisocyanates and adapted for Michael addition curing chemistries and compositions thereof for use in sealant applications are disclosed. The prepolymers provide compositions that exhibit room temperature stability and a controlled curing rate following a brief activation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.