期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 16, 期 3, 页码 1061-1067出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.200901659
关键词
click chemistry; copper polymers; product purification; solvent-resistant nanofiltration
资金
- Belgian Federal Government [IAP 6/27]
- Departament d'Universitats, Recerca i Societat de la Informacio (DURSI)
- Generalitat de Catalunya [2006 BP-A 10012]
- Flemish Government
The quickly developing field of click chemistry Would undoubtedly benefit from the availability of an easy and efficient technology for product purification to reduce the potential health risks associated with the presence of copper in the final product. Therefore. solvent-resistant nanofiltration (SRNF) membranes have been developed to selectively separate clicked polymers from the copper catalyst and solvent. By using these solvent-stable cross-linked polyimide membranes in diafiltration, up to 98% of the initially present copper could be removed through the membrane together with the DMF solvent, the polymer product being almost completely retained. This paper also presents the first SRNF application in which the catalyst permeates through the membrane and the reaction product is retained.
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