Functionalized polymer particles for use as toughening agent
US11292946B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | May 21, 2015 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Dec 12, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Composite materials and structural adhesives containing particles of functionalized polymers as a toughening agent. The particles are composed of functionalized polyaryletherketone (PAEK) polymer or copolymer thereof that contain chemical functional groups capable of reacting with a thermoset resin component to form covalent bonds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.