Method for making polyetherimides
US4011198A · kind A · utility
26Cited by
1References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1975 |
| Grant date | Mar 8, 1977 |
| Priority date | — |
| Expiry date | Feb 13, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/1071
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for making polyetherimides is provided by melt polymerizing a mixture of organic diamines and certain aromatic bis(etherdicarbonyl) compounds such as aromatic tetra-carboxylic acids and dianhydrides thereof. The polyetherimides can be made in a continuous manner. Fillers can be incorporated into the polyetherimides to produce high performance composites.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.