Method of separating a poly(arylene ether) composition from a solvent, and poly(arylene ether) composition prepared thereby
US8734693B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Oct 27, 2011 |
| Grant date | May 27, 2014 |
| Priority date | — |
| Expiry date | Oct 27, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/05
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method of separating a poly(arylene ether) from a solvent includes treating a poly(arylene ether)-containing solution with a devolatilizing extruder to form an extruded composition, and cooling the extruded composition with a cooling device that does not immerse the extruded composition in water. The composition may be used to isolate a poly(arylene ether) from the solvent-containing reaction mixture in which it is prepared, or to remove solvent from a multi-component poly(arylene ether)-containing thermoplastic composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.