Injection moldable polyetherimide oligomers and method for making
US4281100A · kind A · utility
21Cited by
9References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 18, 1980 |
| Grant date | Jul 28, 1981 |
| Priority date | — |
| Expiry date | Jun 18, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/1071
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method is described for making substantially solvent-free particulated injection moldable polyetherimide oligomer directly from aromatic bis(ether anhydride) and organic diamine. The particulated polyetherimide oligomer can be used to make shaped, high molecular weight polyetherimide by melt polymerization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.