Next Article in Journal
Damping Analysis of Some Inorganic Particles on Poly(butyl-methacrylate)
Next Article in Special Issue
Thermoresponsive Core-Shell Nanoparticles: Does Core Size Matter?
Previous Article in Journal
Wheat Straw-Derived N-, O-, and S-Tri-doped Porous Carbon with Ultrahigh Specific Surface Area for Lithium-Sulfur Batteries
Previous Article in Special Issue
Polysulfobetaines in Aqueous Solution and in Thin Film Geometry
Open AccessFeature PaperCommunication

Cononsolvency Transition of Polymer Brushes: A Combined Experimental and Theoretical Study

1
Leibniz-Institut für Polymerforschung Dresden e.V., 01069 Dresden, Germany
2
Institute of Physical Chemistry of Polymeric Materials, Technische Universität Dresden, 01062 Dresden, Germany
3
Institute for Theoretical Physics, Technische Universität Dresden, 01062 Dresden, Germany
*
Authors to whom correspondence should be addressed.
Materials 2018, 11(6), 991; https://doi.org/10.3390/ma11060991
Received: 30 April 2018 / Revised: 1 June 2018 / Accepted: 8 June 2018 / Published: 11 June 2018
(This article belongs to the Special Issue Temperature-Responsive Polymers)
In this study, the cononsolvency transition of poly(N-isopropylacrylamide) (PNiPAAm) brushes in aqueous ethanol mixtures was studied by using Vis-spectroscopic ellipsometry (SE) discussed in conjunction with the adsorption-attraction model. We proved that the cononsolvency transition of PNiPAAm brushes showed features of a volume phase transition, such as a sharp collapse, reaching a maximum decrease in thickness for a very narrow ethanol volume composition range of 15% to 17%. These observations are in agreement with the recently published preferential adsorption model of the cononsolvency effect. View Full-Text
Keywords: cononsolvency; preferential adsorption; polymer brushes; PNiPAAm; ellipsometry cononsolvency; preferential adsorption; polymer brushes; PNiPAAm; ellipsometry
Show Figures

Graphical abstract

MDPI and ACS Style

Yong, H.; Rauch, S.; Eichhorn, K.-J.; Uhlmann, P.; Fery, A.; Sommer, J.-U. Cononsolvency Transition of Polymer Brushes: A Combined Experimental and Theoretical Study. Materials 2018, 11, 991.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop