Polyimide composite
US4468431A · kind A · utility
24Cited by
8References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 17, 1983 |
| Grant date | Aug 28, 1984 |
| Priority date | — |
| Expiry date | Nov 17, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31721
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A composite for use in vibration damping and thermal insulation in aerospace applications formed from a core of a foamed polyimide, with a backing layer bonded to one face of the core. This backing layer to include a thin meal foil bonded to the core with a visco-elastic adhesive. Composite provides superior damping and lower weight and significantly improved fire safety compared with existing products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.