Sheet material, process for its production and its use in the production of a composite structure
US4569884A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 1982 |
| Grant date | Feb 11, 1986 |
| Priority date | — |
| Expiry date | Sep 17, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/674
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A sheet material useful for preparing high strength composite structures, especially in the field of light weight construction material, comprises a layer (A) of a high strength fibrous material impregnated and/or coated with a curable synthetic resin in the B-stage and a layer (B) of a polyamide polymer or another polymer having similar properties and being compatible with the curable synthetic resin of layer (A), which layer (B) is partially or completely bound to or embedded in layer (A).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.