Signatures of slip in dewetting polymer films

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August undefined, 2024

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 … 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 …

Dewetting of Supported Viscoelastic Polymer Films: Birth of Rims

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 … 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 … the prizm dwarka

Signatures of slip in dewetting polymer films

WebSignatures of slip in dewetting polymer films. Authors. Dirk Peschka; Sabrina Haefner + 3 moreKarin Jacobs; Andreas Münch; Barbara Wagner; Publication date January 1, 2024. … 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 … 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 … theprl.co.uk

Coatings Free Full-Text Nonuniform Slip Effect in Wetting Films

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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 … the prizing houseWebHowever, 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 … theprlstore

"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 … " - 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

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. 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 …

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WebEnter the email address you signed up with and we'll email you a reset link. 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 …

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 … 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.

WebJun 1, 2024 · Signatures of slip in dewetting polymer films. Article. Full-text available. Apr 2024; Dirk Peschka; Sabrina Haefner; Ludovic Marquant; Barbara Wagner; Significance … 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 …

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 …

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. … the prizm groupWebThin polymer films on hydrophobic substrates are susceptible to rupture and hole formation. This, in turn, initiates a complex dewetting pro Experimental and theoretical studies … the prjWebSep 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 … signal arrowWebSep 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 … the prizonersWebApr 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 … signal arts microphoneWebscientific article published on 19 April 2024. Signatures of slip in dewetting polymer films Q64101260) theprmspromiseWebDewetting 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; signal ase beat noise