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MALDI-TOF characterization of macromonomers

✍ Scribed by Jochen Spickermann; Hans-Joachim Räder; Klaus Müllen; Beate Müller; Markus Gerle; Karl Fischer; Manfred Schmidt

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
478 KB
Volume
17
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

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.

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