Authors
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Appelhans, D. ; Komber, H. ; Voigt, D. ; Häußler, L. ; Voit, B.
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Title
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Synthesis and Characterization of Poly(ether amide) Dendrimers Containing Different Core Molecules
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Date
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31.12.2000
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Number
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9294
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Abstract
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The synthesis of novel poly(ether amide) dendrimers containing different symmetrical benzenetriamides as core molecules is presented. The synthesis was carried out in a stepwise convergent manner to build up poly(ether amide) dendrons where 5-(2-aminoethoxy)isophthalic acid is the branching repeating unit. Three defined dendrons were subsequently attached to a central core. For this key reaction step O-(benzotriazol-1-yl)-N,N,N´,N´-tetramethyluronium tetrafluoroborate (TBTU) was preferably used as activating agent to form the desired amide groups. 1H/13C NMR spectroscopy, MALDI-TOF-MS, SEC, and DSC were used to characterize the obtained dendrimers. The incorporated central units had a remarkable influence on the glass transition temperatures (Tg) within the series of dendrimers.
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Publisher
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Macromolecules
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Wikidata
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Q57778241
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Citation
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Macromolecules 33 (2000) 9494-9503
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DOI
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https://doi.org/10.1021/MA001121M
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Tags
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angle neutron-scattering dendritic macromolecules physical-properties polymers acid architecture temperature complexes units
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