Abstract
A series of novel polystyrene-oligo(oxyethylene) graft copolymers containing monodisperse PEG units ( n = 2–12) have been synthesized and examined concerning their applicability for gel-phase 13C NMR spectroscopy. A strong correlation between the graft length and the line widths in the gel-phase spectra was observed. By grafting a PEG chain with only eight units, it was possible to obtain results similar to TentaGel resin. Additionally, TOF-SIMS images were recorded in order to evaluate the homogeneity of the resin.
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