Sökning: id:"swepub:oai:DiVA.org:liu-145760" >
Salt Sensitivity of...
Salt Sensitivity of the Thermoresponsive Behavior of PNIPAAm Brushes
-
- Koenig, Meike (författare)
- Leibniz Inst Polymerforsch Dresden eV, Germany; Karlsruhe Inst Technol, Germany
-
- Rodenhausen, Keith Brian (författare)
- Univ Nebraska Lincoln, NE 68588 USA; Biolin Sci Inc, NJ 07652 USA
-
- Rauch, Sebastian (författare)
- Leibniz Inst Polymerforsch Dresden eV, Germany
-
visa fler...
-
- Bittrich, Eva (författare)
- Leibniz Inst Polymerforsch Dresden eV, Germany
-
- Eichhorn, Klaus-Jochen (författare)
- Leibniz Inst Polymerforsch Dresden eV, Germany
-
- Schubert, Mathias (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten,Univ Nebraska Lincoln, NE 68588 USA
-
- Stamm, Manfred (författare)
- Leibniz Inst Polymerforsch Dresden eV, Germany; Tech Univ Dresden, Germany
-
- Uhlmann, Petra (författare)
- Leibniz Inst Polymerforsch Dresden eV, Germany; Univ Nebraska Lincoln, NE 68588 USA
-
visa färre...
-
(creator_code:org_t)
- 2018-02-05
- 2018
- Engelska.
-
Ingår i: Langmuir. - : AMER CHEMICAL SOC. - 0743-7463 .- 1520-5827. ; 34:7, s. 2448-2454
- Relaterad länk:
-
https://urn.kb.se/re...
-
visa fler...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- We report investigations on the salt sensitivity of the thermoresponsive behavior of PNIPAAm brushes applying the quartz crystal microbalance coupled with spectroscopic ellipsometry technique. This approach enables a detailed study of the optical and mechanical behavior of the polymer coatings. Additional conclusions can be drawn from the difference between both techniques due to a difference in the contrast mechanism of both methods. A linear shift of the phase transition temperature to lower temperatures with the addition of sodium chloride was found, similar to the behavior of free polymer chains in solution. The thermal hysteresis was found to be decreased by the addition of sodium chloride to the solution, hinting to the interaction of the ions with the amide groups of the polymer, whereby the formation of hydrogen bonds is hindered. The results of this study are of relevance to the application of PNIPAAm brushes in biological fluids and demonstrate the additional potential of the ion sensitivity besides the better known thermosensitivity.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
-
Langmuir
(Sök värdpublikationen i LIBRIS)
Till lärosätets databas