Vinyl ester powder pre-preg
US10752743B2 · kind B2 · utility
0Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2015 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Dec 11, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2367/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention provides a powder pre-preg comprising as sole resin a vinyl ester resin having a Tg in the range of −5 to +30° C. and a melt viscosity @100° C. in the range of 2 to 75 dPa·s, which can be used in making a composite at a temperature as low as 80° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.