MALDI-TOF characterization of macromonomers

6533b826fe1ef96bd1283a5e

RESEARCH PRODUCT

MALDI-TOF characterization of macromonomers

Jochen Spickermann Klaus Müllen Karl Fischer Manfred Schmidt Markus Gerle Hans Joachim Räder Beate Müller

subject

Chromatography Polymers and Plastics Chemistry Organic Chemistry Matrix isolation Analytical chemistry Mass spectrometry Macromonomer High-performance liquid chromatography Time of flight Matrix-assisted laser desorption/ionization Materials Chemistry Molar mass distribution Spectroscopy

description

Methacryloyl endfunctionalized oligostyrene macromonomers were characterized by matrix assisted laser desorption ionization/time of flight (MALDI-TOF) spectroscopy and by isocratic and gradient high performance liquid chromatography (HPLC). The molar mass distribution derived by the different techniques coincide for the investigated oligomers. Mixing experiments revealed that the MALDI-TOF peak areas do not necessarily represent the mixing ratio of the components. Combination of gradient HPLC and MALDI-TOF has resolved the chemical composition of the coupling products formed by reaction of the living anion with oxygen.

year	journal	country	edition	language
1996-12-01	Macromolecular Rapid Communications

https://doi.org/10.1002/marc.1996.030171207

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