Michael addition curing chemistries for sulfur-containing polymer compositions
US9365678B2 · kind B2 · utility
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14References
21Claims
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Key dates
| Filing date | Aug 19, 2014 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Aug 19, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L81/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The use of Michael addition curing chemistries in compositions comprising sulfur-containing polymers such as polythioethers and polysulfides useful in aerospace sealant applications are disclosed. Sulfur-containing adducts comprising terminal Michael acceptor groups are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.