Polyamide-imide compositions and articles for electrical use prepared therefrom
US4377652A · kind A · utility
26Cited by
8References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1979 |
| Grant date | Mar 22, 1983 |
| Priority date | — |
| Expiry date | Feb 8, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K1/0346
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An article for electrical use such as insulative substrates, electrical circuit borads and electrical elements, wholly or partly consisting out of an aromatic polyamide-imide having a reduced viscosity of from about 0.3 to 1.5, which polyamide-imide may contain a granular material dispersed therein, and a composition comprising 100 parts by weight of said polyamide-imide and additional about 100 to 4,000 parts by weight of a granular material and optionally about 10 to 10,000 parts by weight of a polar organic solvent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.