Thermosetting mixtures of polyimide beta-amino crotonic acid derivative and polyamine which are stable on storage
US4161580A · kind A · utility
1Cited by
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12Claims
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Key dates
| Filing date | Feb 21, 1978 |
| Grant date | Jul 17, 1979 |
| Priority date | — |
| Expiry date | Feb 21, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/121
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Mixtures which can be cured to give moulded materials having technically valuable mechanical and dielectric properties, characterized that they contain PA1 (a) polyimides of maleic acid or citraconic acid, PA1 (b) derivatives of .beta.-amino-crotonic acid, and optionally PA1 (c) polyamines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.