Characterization of Defined Metal Containing Supramolecular Block Copolymers
-
Meier, Michael; Lohmeijer, Bas G. G.; Schubert, Ulrich S.
- Abstract:
- The characterization of metal-containing
supramolecular polymers by gel permeation chromatography
(GPC) or matrix-assisted laser desorption ionisation time-offlight
mass spectrometry (MALDI-TOF MS) is complicated
because of the interaction of the charged materials with the
GPC column material in the first case and fragmentation due
to the applied laser energy in the latter case. In this contribution
we report recent advances made for the characterization
of supramolecular polymers based on terpyridine metal complexes
utilizing GPC and MALDI-TOF MS. In particular for
GPC analysis, the choice of solvent and additive was found
to be crucial for a successful characterization. Furthermore,
MALDI-TOF MS spectra of these compounds are not
straightforward to interpret. Both aspects are discussed in
detail with the result of a better understanding and improved
analysis possibilities of the mentioned supramolecular
polymers.
- Year:
- 2003
- Type of Publication:
- Article
- Keywords:
- gel permeation chromatography GPC; MALDI; metal polymer complexes; supramolecular structures
- Journal:
- Macromolecular Rapid Communications
- Volume:
- 24
- Pages:
- 852 – 857