N,N′-dimethyl secondary diamine polymer as epoxy resin curing agent
US8536284B2 · kind B2 · utility
0Cited by
14References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2010 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Jan 19, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31529
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides N,N′-dimethyl secondary diamine polymers including methylamine-terminated poly-(N-methylazetidine) and methylamine-terminated poly-(N-methylazacycloheptane). Amine compositions and amine-epoxy compositions comprising N,N′-dimethyl secondary diamine polymers are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.