Method for the manufacture of poly(aryl ether ketone)s in the presence of sodium carbonate
US9175136B2 · kind B2 · utility
9Cited by
34References
13Claims
0Family size
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Key dates
| Filing date | Oct 23, 2009 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | Jun 23, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2261/3444
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Sodium carbonate (Na2CO3) having a certain particle size distribution and its use in preparing poly(aryl ether ketone)s, especially PEEK. Poly(aryl ether ketone)s made using the described sodium carbonate. A method for providing a sodium carbonate having a certain particle size distribution, which is especially well suited for the preparation of poly(aryl ether ketone)s.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.