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Immobilization of catalysts in poly(p-xylylene) nanotubes

Title data

Hepperle, Johannes A. M. ; Mitschang, Fabian ; Bier, Anna K. ; Dettlaff, Barbara K. ; Greiner, Andreas ; Studer, Armido:
Immobilization of catalysts in poly(p-xylylene) nanotubes.
In: RSC Advances. Vol. 3 (2013) Issue 48 . - pp. 25976-25981.
ISSN 2046-2069
DOI: https://doi.org/10.1039/C3RA43647K

Official URL: Volltext

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

This paper describes the immobilization of a TEMPO-derivative and a copper catalyst in ethinyl-functionalized poly(p-xylylene) nanotubes which are readily prepared by the Tubes by Fiber Templates (TUFT) process. Catalyst conjugation to the nanotubes is achieved via the Cu-catalyzed azide alkyne cycloaddition (CuAAC). The TEMPO-functionalized nanotubes are successfully used as recyclable catalysts for oxidation of benzyl alcohol. Recycling studies show that the TEMPO-modified nanotubes can be reused 20 times without loss of catalytic activity. Conjugation of the nanotubes with a bipyridine moiety provides a material that allows for immobilization of metal catalysts. Treatment with a Cu(i)-salt leads to a hybrid material, which shows high activity as a recyclable catalyst in the CuAAC. Recycling experiments reveal that these Cu-nanotubes can be reused for 18 runs.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: ISI:000327261700068
Keywords: REACTIVE POLYMER-COATINGS; HOMOGENEOUS CATALYSTS; SECONDARY ALCOHOLS; FIBERS; NANOFIBERS; CHEMISTRY; CYCLOADDITION; OXIDATIONS
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 23 Mar 2015 08:26
Last Modified: 22 Apr 2015 08:29
URI: https://eref.uni-bayreuth.de/id/eprint/9130