Process for producing modified polyaminoamide, modified polyaminoamide produced thereby, and epoxy resin curing agent comprising the said modified polyaminoamide
US5478912A · kind A · utility
1Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1994 |
| Grant date | Dec 26, 1995 |
| Priority date | — |
| Expiry date | Aug 17, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L63/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for producing a modified polyaminoamide with markedly increased reactivity as an epoxy resin curing agent is disclosed. The process comprises introducing amino groups and mercapto groups into a polyaminoamide by using an aziridine compound and a thiirane compound. The modified polyaminoamide is capable of curing an epoxy resin at a low temperature and at a high rate to provide a cured epoxy resin excellent in anticorrosion and chemical resistance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.