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research article
Rheological Characteristics of Hyperbranched Polyesters
2002
When the effects of physical aging below Tg are erased, the rheological response of a series of aliphatic hyperbranched polyesters is Newtonian and the melt viscosity scales roughly linearly with Mw at high Mw, indicating entanglement to be absent. The rheological behavior is also highly sensitive to the nature of the terminal groups, suggesting the overall behavior to be close to that of an assembly of compact coreshell "particles". There are therefore strong parallels between the physical behavior of the hyperbranched polyesters in question and that of their ideal dendrimer analogues.
Type
research article
Web of Science ID
WOS:000178013300011
Authors
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Luciani, A.
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Publication date
2002
Published in
Volume
49
Issue
1
Start page
77
End page
84
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
June 26, 2006
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