Drop spreading and gelation of thermoresponsive polymers
Author:
Affiliation:
1. Physics of Fluids Group and J. M. Burgers Centre for Fluid Dynamics
2. University of Twente
3. 7500 AE Enschede
4. The Netherlands
5. Laboratoire Matière et Systèmes Complexes UMR CNRS 7057
6. Cedex 13
7. France
8. Department of Applied Physics
Abstract
Spreading and solidification of liquid droplets are elementary processes of relevance for additive manufacturing. With simple drop spreading experiments of a thermoresponsive polymer solution, we found that the final shape is ruled by the difference between the substrate temperature and the gelation temperature. Unexpectedly, spreading also stops below the gelation temperature, due to an increase in polymer concentration induced by evaporation near the contact line.
Publisher
Royal Society of Chemistry (RSC)
Subject
Condensed Matter Physics,General Chemistry
Link
http://pubs.rsc.org/en/content/articlepdf/2018/SM/C7SM02540H
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