Dual cure resins for additive manufacturing
US11820072B2 · kind B2 · utility
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27References
21Claims
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Key dates
| Filing date | Dec 22, 2021 |
| Grant date | Nov 21, 2023 |
| Priority date | — |
| Expiry date | Dec 22, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided herein is a resin product useful for the production of three-dimensional objects by additive manufacturing, and methods using the same. The resin may include a reactive blocked prepolymer comprising a prepolymer blocked with reactive blocking groups; a polyol; a photoinitiator; and at least one organometallic catalyst. A packaged product useful for the production of three-dimensional objects by additive manufacturing, the product comprising a single container having a single chamber and a resin in the chamber with all components mixed together, is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.