Polyether ether ketone and method for producing polyether ether ketone
US12098243B2 · kind B2 · utility
0Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 2, 2021 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | Sep 2, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/46
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is a polyether ether ketone, comprising a repeating unit represented by the following formula (1), the polyether ether ketone having a crystallization temperature Tc of 255° C. or more, and satisfying one or both of the following conditions (A) and (B): (A) a fluorine atom content a is less than 2 mg/kg; and (B) a chlorine atom content b is 2 mg/kg or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.