Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Karlheinz Graf"'
Autor:
Thomas W. Healy, Michael Kappl, Karlheinz Graf, Hans-Juergen Butt, Cathy E. McNamee, Hang Nguyen, Shinichiro Sato
Publikováno v:
The Journal of Physical Chemistry B. 116:13731-13738
We used the monolayer particle interaction apparatus to measure the force between a monolayer of stearic acid or octadecanol at the air/water interface and a colloidal silica sphere. The silica sphere approached the monolayer from the aqueous subphas
Autor:
Alexander Karbach, Dina Gabriel, Karlheinz Graf, Doris Drechsler, Saeid Kheirandish, Jochen S. Gutmann
The bound rubber phenomenon of carbon-black-filled rubber compounds, which is still an intensively discussed subject, is visualized in this research as a stable nanoscale interphase. Using the novel amplitude and phase-modified atomic force microscop
Externí odkaz:
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Publikováno v:
International Journal of Heat and Mass Transfer. 51:3696-3699
Evaporation of sessile drops with constant wetting radius is investigated. In contrast to constant contact angle the temporal evaluation of the droplet volume can not be formulated in a closed form. We provide two approximations for initial contact a
Publikováno v:
Microelectronic Engineering. 85:1261-1264
Ultraviolet light irradiation of PS microbeads can be used for controlling the solvent uptake and release upon exposure to its vapor. The irradiation leads to additional fracture and crosslinking of PS chains thus reducing the amount of solvent uptak
Publikováno v:
Nanoscale and Microscale Thermophysical Engineering. 11:31-41
The evaporation of micro droplets plays an important role in many technical application fields. However, the physico-chemical laws governing the evaporation process in different types of droplet systems are still not fully understood. An intergrated
Publikováno v:
ACS applied materialsinterfaces. 7(29)
In this work, we explore the ability of utilizing hydrogels synthesized from a temperature-sensitive polymer and a polyelectrolyte to desalinate salt water by means of reversible thermally induced absorption and desorption. Thus, the influence of the
Publikováno v:
The Journal of Physical Chemistry B. 110:17918-17924
We study how a local air plasma treatment affects the mechanical properties of polystyrene by performing indentation measurements on the polymer in the elastic and plastic regime. The local exposure to plasma was obtained by placing a shadow-mask wit
Publikováno v:
Colloid and Polymer Science. 285:27-37
Langmuir monolayers and Langmuir–Blodgett (LB) film morphology of amphiphilic triblock copolymers are studied using surface pressure-area measurements and atomic force microscopy (AFM), respectively. The triblock copolymers are composed of long wat
Publikováno v:
Microelectronic Engineering. 83:819-822
Persistent surface morphologies in extruded polymer substrates can be generated in a first step by projecting a mask with argon ions and, secondly, by a consecutive exposure to solvent. In the first step, the polymer is locally cross-linked as a cons
Publikováno v:
e-Journal of Surface Science and Nanotechnology. 4:96-99
We studied the mechanical stress during the adsorption process of polyallylamine hydrochloride (PAH) and polystyrenesulfonate (PSS) polyelectrolytes using highly sensitive micromechancial cantilever sensors (MCS). Single side adsorption was achieved