Regensburg 2013 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 2: Interfaces and Thin Films I (joint session with DECHEMA and VDI)

CPP 2.9: Vortrag

Montag, 11. März 2013, 12:00–12:15, H40

Structure fomation at µ - structured liquid/gas interfaces — •Hans-Georg Braun, Rene Hensel, and Andre Zamith-Cardoso — Leibniz Institute of Polymer Research Dresden - Max Bergmann Center of Biomaterials , D-01069 Dresden, Germany

Application of microheterogeneous surfaces easily prepared by softlithographic patterning techniques has provided deep insights into interfacial processes such as wetting or dewetting, nucleation at patterned solid/liquid interfaces. Much less is known about the formation of microstructured liquid/gas interfaces and their influence on interfacial self-organization processes. This contribution focuses on
a) the preparation, surface modification and interfacial stability of floating microstructured polymer membranes by PRINT
b) the interfacial stabilization of aqueous liquids by encapsulation in microparticles in so called Liquid marbles and the pH triggered self-organization of peptides into ultrathin gel layers at the liquid/gas interface into these liquid marbles.
c) Finally the interfacial formation of floating calciumcarbonate rafts at the liquid / air interface will be discussed.

1) R. Hensel and H.-G. Braun, Soft Matter 2012,8 , 5293
2) H.-G. Braun, A. Zamith-Cardoso, Colloids and Surfaces:B Biointerfaces, 2012, 97, 43-50