Polyamides containing the bio-based 2,5-furandicarboxylic acid
US9951181B2 · kind B2 · utility
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Key dates
| Filing date | Oct 17, 2014 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | Oct 17, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D177/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyamides are made from the polycondensation of monomers including from 15 to 80 mol % of 2,5-furandicarboxylic acid (FDCA), from 20 to 85 mol % of at least one aromatic dicarboxylic acid and from 50 to 100 mol % of at least one aliphatic diamine selected from those including 6 and 7 carbon atoms. A process allowing the synthesis of high molecular weight polyamides made from the above mentioned monomers is also described. Finally, compositions and articles including the same polyamides are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.