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Signatures of slip in dewetting polymer films

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 … WebJun 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, …

Slippage and nanorheology of thin liquid polymer films

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. WebWhile the formation of satellite droplets is well-known in the context of elongating fluid filaments and jets, we show here that for dewetting liquid ridges this property can be dramatically altered by the interfacial condition between polymer and substrate, namely slip. port hudson state historic site map https://gfreemanart.com

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WebEnter the email address you signed up with and we'll email you a reset link. WebDewetting of Thin Polymer Films on Wrinkled Graphene Oxide Monolayers. Kyoung Il Jo, Tae Ho Kim, Ki In Choi, Hoyeon Lee, Jae Hak Choi, Joona Bang, Tae Hwan Kim, Guangcui Yuan, Sushil K. Satija, Jaseung Koo. Department of Chemical and Biological Engineering; WebDec 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). … irma lawrence

Coatings Free Full-Text Nonuniform Slip Effect in Wetting Films

Category:Signatures of slip in dewetting polymer films - ResearchGate

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Signatures of slip in dewetting polymer films

New slip regimes and the shape of dewetting thin liquid films.

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 … 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 …

Signatures of slip in dewetting polymer films

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WebJan 19, 2016 · The slip lengths, b, however, differ by an order of magnitude on these two substrates. The qualitative differences in the evolution are therefore expected to originate …

WebDense 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 … WebApr 19, 2024 · Signatures of slip in dewetting polymer films Emergence of Dewetting Patterns. Before going into the details of thin-film dewetting, we make some general …

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 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 …

WebJun 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 …

WebMay 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 … port hueneme building and safetyWebApr 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 … port hueneme body camerasWebSignatures of slip in dewetting polymer films. Authors. Dirk Peschka; Sabrina Haefner + 3 moreKarin Jacobs; Andreas Münch; Barbara Wagner; Publication date January 1, 2024. … port hudson national cemetery addressWebNov 7, 2024 · The dewetting of ultrathin polymer films could be significantly different in the no-slip 15,16,17,18,19,20,21,22,23,24 ... while the flow dynamics of the polymer film was … port hueneme beach parkingWebDec 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 … port hudson state park louisianaWebHowever, 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 … port hueneme california vrboWebhere 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 … port hueneme air show 2023