Hardeners for epoxy resins, which comprise aromatic amino groups
US9399697B2 · kind B2 · utility
0Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2012 |
| Grant date | Jul 26, 2016 |
| Priority date | — |
| Expiry date | Jan 13, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L63/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to hardeners for epoxy resins, which contain secondary aliphatic and primary aromatic amino groups. They harden surprisingly quickly together with epoxy resins even under cold and humid conditions and without blushing effects to give films with a high degree of hardness. They are especially suitable for coatings with high resistance requirements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.