Polyetherimideimides and a method for manufacturing them
US5212277A · kind A · utility
2Cited by
7References
5Claims
0Family size
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Key dates
| Filing date | Jan 10, 1991 |
| Grant date | May 18, 1993 |
| Priority date | — |
| Expiry date | Jan 10, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/1053
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to new polyetherimideimides having imideimide group with the following structural formula(I) and inherent viscosity of 0.27.about.0.71 dl/g, which can be made by effecting reaction between an aromatic bis(ether anhydride) and an organic diamine or an aromatic bis(nitro imideimide) and a metal salt of diol. ##STR1## Wherein, R is ##STR2##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.