Rapid polymer transport in concentrated solutions through the formation of ordered structures

Our previous finding that high molecular weight polymers in certain systems can be transported with an unexpectedly high apparent ‘diffusion’ rate in the presence of a concentrated second polymer has been shown to be due to the formation and movement of organized macroscopic structures in an otherwi...

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Bibliographic Details
Published in:Nature (London) 1980-10, Vol.287 (5782), p.499-503
Main Authors: Preston, B. N., Laurent, T. C., Comper, W. D., Checkley, G. J.
Format: Article
Language:English
Subjects:
Humanities and Social Sciences
multidisciplinary
Science
Science (multidisciplinary)
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Summary:Our previous finding that high molecular weight polymers in certain systems can be transported with an unexpectedly high apparent ‘diffusion’ rate in the presence of a concentrated second polymer has been shown to be due to the formation and movement of organized macroscopic structures in an otherwise convection-free solution. The structures are not formed as part of a normal phase separation but will dissipate with time. Their formation may be understood by recently developed principles of nonlinear nonequilibrium thermodynamics.
ISSN:0028-0836
1476-4687
DOI:10.1038/287499a0