Signatures of slip in dewetting polymer films

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August undefined, 2024

WebHowever, for RPS films, the polymer film stability switched from apparent slip dewetting to apparently stable. On the silanized Si substrate with 94% grafting density, the chain adsorption became weaker and the dewetting processes were faster than that on the substrate with 69% grafting density at the same experimental temperature for both the … WebSep 6, 2007 · To characterize nontrivial boundary conditions of a liquid flowing past a solid, the slip length is commonly used as a measure. From the profile of a retracting liquid …

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WebMay 7, 2024 · Abstract. Thin polymer films on hydrophobic substrates are susceptible to rupture and hole formation. This, in turn, initiates a complex dewetting process, which … WebDec 3, 2003 · Based on the linear stability and nonlinear simulations, we show that the surface instability, dynamics, and morphology of supported thin liquid films are … list of black owned businesses in dallas tx

Dewetting of non-polar thin lubricating films ... - ScienceDirect

WebDewetting is the hydrodynamic process where a uniform layer of liquid destabilizes and decays into distinct patterns of stationary droplets by virtue of interfacial and … WebSep 14, 2005 · This website requires cookies, and the limited processing of your personal data in order to function. By using the site you are agreeing to this as outlined in our privacy notice and cookie policy. WebThin polymer films on hydrophobic substrates are susceptible to rupture and hole formation. This, in turn, initiates a complex dewetting process, which ultimately leads to … list of black owned banks in texas

Signatures of slip in dewetting polymer films - ResearchGate

Giant Slip Induced Anomalous Dewetting of an Ultrathin Film on a ...

WebFeb 1, 2024 · It has been demonstrated that the dewetting of thin polymer films in air or under medium depends strongly on the long-range interaction, ... Signatures of slip in … WebSep 14, 2005 · We compare the flow behavior of liquid polymer films on silicon wafers coated with either octadecyl-(OTS) or dodecyltrichlorosilane (DTS). Our experiments show that dewetting on DTS is significantly faster than on OTS. We argue that this is tied to the difference in the solid/liquid friction. As the film dewets, the profile of the rim advancing … list of black own banksWebDense moratoriums of colloidal or grenular particles can display pronounced non-Newtonian behaviour, such as discontinued shear bulge and shear jamming. The essential contribution of particle plane crudeness furthermore cling forces confirms that stress-activated frictional communications can play a key role in these marvels. Here, by employing a system of … images of sea of thieves

"WebOct 15, 2024 · The effect of wall slip on the dewetting of ultrathin films on solid substrates: Linear instability and second-order lubrication theory; Physics of Fluids 32, 102107 ... A. … " - Signatures of slip in dewetting polymer films

Signatures of slip in dewetting polymer films

New Slip Regimes and the Shape of Dewetting Thin Liquid Films

WebApr 19, 2024 · Comparisons of the dewetting behavior of h∞ = 110-nm-thick PS films for different chain lengths dewetting from AF1600-coated substrate after the rim traveled the … WebFeb 24, 1997 · Lin Xu, Ashutosh Sharma, and Sang Woo Joo . Dewetting of Stable Thin Polymer Films Induced by a Poor Solvent: Role of Polar Interactions. Macromolecules …

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Webscientific article published on 19 April 2024. Signatures of slip in dewetting polymer films Q64101260) WebMay 18, 2024 · polymer melt films Ralf Seemann, Stephan Herminghaus, Chiara Neto et al.-Molecular transport and flow past hard and soft surfaces: computer simulation of …

WebSignatures of slip in dewetting polymer films. Authors. Dirk Peschka; Sabrina Haefner + 3 moreKarin Jacobs; Andreas Münch; Barbara Wagner; Publication date January 1, 2024. … WebThin polymer films on hydrophobic substrates are susceptible to rupture and hole formation. This, in turn, initiates a complex dewetting pro Experimental and theoretical studies …

Webhere that, for dewetting liquid ridges, this property can be dra-matically altered by the interfacial condition between polymer and substrate, namely slip. This work shows how …

WebFig. 8. Series of micrographs from experiments with thin films (Upper) dewetting from a hydrophobized Si wafer covered with a silane monolayer DTS with b = 1 µm (intermediate …

WebSep 14, 2005 · We compare the flow behavior of liquid polymer films on silicon wafers coated with either octadecyl-(OTS) or dodecyltrichlorosilane (DTS). Our experiments show … images of sean murrayWebDec 5, 2006 · We study the dewetting of thin polymer films deposited on slippery substrate. Recent experiments on these systems have revealed many unexpected features. We develop here a model that takes into account the rheological properties of polymer melts, focussing on two dewetting geometries (the receding of a straight edge, and the opening of a hole). … list of black owned businesses in chicagoWebJun 1, 2024 · Signatures of slip in dewetting polymer films. Article. Full-text available. Apr 2024; Dirk Peschka; Sabrina Haefner; Ludovic Marquant; Barbara Wagner; Significance … images of sea picklesWebJun 23, 2006 · Ultrathin polymer films on non-wettable substrates display dynamic features which have been attributed to either viscoelastic or slip effects. Here we show that in the weak- and strong-slip regime, effects of viscoelastic relaxation are either absent or essentially indistinguishable from slip effects. Strong slip modifies the fastest unstable … list of black owned bookstoresWebMay 5, 2024 · Fluid films spreading on hydrophobic solid surfaces exhibit complicated dynamics that describe transitions leading the films to break up into droplets. For viscous fluids coating hydrophobic solids this process is called "dewetting". These dynamics can be represented by a lubrication model consisting of a fourth-order nonlinear degenerate … images of sea pollutionWebApr 19, 2024 · Signatures of slip in dewetting polymer films. D. Peschka, Sabrina Haefner, +3 authors. B. Wagner. Published 19 April 2024. Physics. Proceedings of the National … images of sea otterWebJun 25, 2024 · The slip effect in wetting films is theoretically studied, ... Münch, A.; Wagner, B. Signatures of slip in dewetting polymer films. Proc. Natl. Acad. Sci. USA 2024, 116, … list of black owned banks in atlanta