PROCESS FOR THE ISOLATION OF AROMATIC POLYETHERS

Method for recovering an aromatic polyether as a solid product from a solution thereof in an organic solvent by precipitating with a fluorohydrocarbon which may also contain chlorine or bromine and which boils at -30 DEG C. to +100 DEG C.

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Bibliographic Details
Main Authors SIEGERT, HERMANN, UDE, WERNER
Format Patent
LanguageEnglish
German
Published 12.10.1988
Edition4
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Method for recovering an aromatic polyether as a solid product from a solution thereof in an organic solvent by precipitating with a fluorohydrocarbon which may also contain chlorine or bromine and which boils at -30 DEG C. to +100 DEG C.
Bibliography:Application Number: EP19860105251