Reinforcement material comprising a porous layer made of partially cross-linked thermoplastic polymer and associated methods
US11370196B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 2018 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Jun 10, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2307/704
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a reinforcement material including at least one fiber reinforcement associated on at least one of its faces with a porous layer, the porous layer(s) representing no more than 10% of the total weight of the reinforcement material, preferably from 0.5 to 10% of the total weight of the reinforcement material, and most preferably from 2 to 6% of the total weight of the reinforcement material, characterized in that the porous layer contains a partially cross-linked thermoplastic polymer. Another object of the invention is a precursor material of such a reinforcement material, as well as their preparation method and the methods for manufacturing a preform or a composite part from such materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.