Wrede, Oliver; Reimann, Yvonne; Lülsdorf, Stefan; Emmrich, Daniel; Schneider, Kristina; Schmid, Andreas Josef; Zauser, Diana; Hannappel, Yvonne; Beyer, André ; Schweins, Ralf; Gölzhäuser, Armin ; Hellweg, Thomas ; Sottmann, Thomas: Volume phase transition kinetics of smart N-n-propylacrylamide microgels studied by time-resolved pressure jump small angle neutron scattering. In: Scientific Reports. Jg.8 H. 1. 2018
Inhalt
- Figure 1 Hydrodynamic radius Rh as a function of temperature T for poly(NNPAM) microgel solutions at ambient pressure in H2O and D2O and at 300 bar in D2O.
- Figure 2 HIM secondary electron image of NNPAM based microgels (a) with the radii distribution (red line) (b), obtained by analyzing the HIM image.
- Figure 3 Static SANS data for poly(NNPAM) microgels at ambient pressure and various temperatures.
- Figure 4 Static SANS data for poly(NNPAM) microgels at a temperature of T = 22.
- Table 1 Parameters obtained from fitting the static SANS scattering curves shown in Fig.
- Figure 5 Time resolved small angle neutron scattering data of the pressure jump experiments done between 40 and 200 bar with a resolution of 5 ms for poly(NNPAM) microgels at 22.
- Figure 6 Four typical small angle neutron scattering curves obtained from the pressure jump experiments done between 40 and 200 bar for poly(NNPAM) microgels at 22.
- Discussion
- Figure 7 Particle radius RSANS and respective pressure p against cycle time t for the pressure jump experiments done between 40 and 200 bar at 22.
- Materials and Methods
- Figure 8 Technical drawing (left) and photograph (right) of the hollow metal bellow57,58.
- Figure 9 Pneumatic and hydraulic circuit diagram, showing how the pressure inside the cell is controlled58.
- Figure 10 Mechanical cross section (left) and 3D-rendered cross section (right) through the SHP-SANS cell57,58.
- Figure 11 Cross-section through the high pressure photon correlation spectroscopy setup.
- Acknowledgements