Method and formulation for an isocyanate-free foam using unsaturated polyesters
US11198773B2 · kind B2 · utility
0Cited by
18References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2018 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Nov 19, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/18
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The presently disclosed subject matter is directed to a method of making a foam, specifically, the development of isocyanate-free foams using at least one unsaturated polyester. The at least one unsaturated polyester is a reaction product of at least one unsaturated cyclic anhydride, dicyclopentadiene, and at least one polyol. The disclosed formulation further comprises at least one reactive diluent and at least one initiator. The disclosed formulations are cured by a free radical mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.