Signatures of slip in dewetting polymer films

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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 … 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). …

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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 … WebSignatures of slip in dewetting polymer films. Authors. Dirk Peschka; Sabrina Haefner + 3 moreKarin Jacobs; Andreas Münch; Barbara Wagner; Publication date January 1, 2024. … cpt for lateral femoral cutaneous nerve block

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WebThin liquid polymer films on hydrophobic substrates are susceptable to rupture and formation of holes, which in turn initiate a complex dewetting process that eventually evolves into characteristic stationary droplet patterns. ... Signatures of slip in dewetting polymer films; Preprint 2024 Alle Rechte vorbehalten. Veröffentlicht. 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 … 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 … distance from sheridan mt to dillon mt

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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 … 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 … cpt for ldctWebHowever, 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 … distance from sheraton heathrow to terminal 3

"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; " - Signatures of slip in dewetting polymer films

Signatures of slip in dewetting polymer films

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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 … 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 …

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WebNov 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 … 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 …

WebSignatures of slip in dewetting polymer films. Authors. Dirk Peschka; Sabrina Haefner + 3 moreKarin Jacobs; Andreas Münch; Barbara Wagner; Publication date January 1, 2024. Publisher. Doi DOI: 10.20347/WIAS.PREPRINT.2538. Cite. Abstract Thin liquid polymer films on hydrophobic substrates are susceptable to rupture and formation of holes, ... Webscientific article published on 19 April 2024. Signatures of slip in dewetting polymer films Q64101260)

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. … 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 …

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.

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 … distance from sheridan ar to little rock arWebEnter the email address you signed up with and we'll email you a reset link. distance from sherborne to weymouthWebJun 1, 2024 · Signatures of slip in dewetting polymer films. Article. Full-text available. Apr 2024; Dirk Peschka; Sabrina Haefner; Ludovic Marquant; Barbara Wagner; Significance … cpt for lefort colpocleisisWebSep 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. distance from sheridan wy to williston nd cpt for left total hip arthroplastyWebFig. 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 … cpt for limited echocardiogramWebDec 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 … cpt for left hip hemiarthroplasty