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 … 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 …

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

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 … 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 … cyril bahsief

Signatures of slip in dewetting polymer films - Researcher An App

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

Coatings Free Full-Text Nonuniform Slip Effect in Wetting 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 … 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 … b in a signatureWebscientific article published on 19 April 2024. Signatures of slip in dewetting polymer films Q64101260) binasnow home covid self antigen test

"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). … " - Signatures of slip in dewetting polymer films

Signatures of slip in dewetting polymer films

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 … 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 …

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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 … WebApr 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 …

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 … 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;

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 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.

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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 … bina southallWebNov 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 … binata fleysherWebhere 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 … cyril baldockWebSignatures 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, ... binas textbook english edition oxford pressWebApr 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 … binas tabel hormonenWebMay 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 … cyril bassoWebJun 1, 2024 · Signatures of slip in dewetting polymer films. Article. Full-text available. Apr 2024; Dirk Peschka; Sabrina Haefner; Ludovic Marquant; Barbara Wagner; Significance … bin asx share price