Mechanochemical Suzuki polycondensation – from linear to hyperbranched polyphenylenes

The mechanochemical Suzuki polycondensation constitutes a sustainable alternative to classical solvent-based polymerization reactions for poly(phenylene)s. In order to establish a basic understanding of the process, important reaction parameters like the milling material, halide type and polymerizat...

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Bibliographic Details
Published in:Green chemistry : an international journal and green chemistry resource : GC 2017, Vol.19 (13), p.2973-2979
Main Authors: Graetz, S, Wolfrum, B, Borchardt, L
Format: Article
Language:English
Subjects:
Degree of polymerization
Ligands
Mechanochemistry
Polymerization
Process parameters
Reaction time
Sustainability
Synthesis
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Summary:The mechanochemical Suzuki polycondensation constitutes a sustainable alternative to classical solvent-based polymerization reactions for poly(phenylene)s. In order to establish a basic understanding of the process, important reaction parameters like the milling material, halide type and polymerization system are investigated. Under optimized conditions, we have been able to synthesize linear polymers with an outstanding degree of polymerization of 164, in a ligand free environment - in as little as 30 minutes. In addition, the developed principle is broadened to a hyperbranched system with high temperature resistance and high yields in short reaction times.
ISSN:1463-9262
1463-9270
DOI:10.1039/c7gc00693d