Wetting-induced formation of quasiperiodical wrinkling patterns in alginate-based coatings

We present the results of systematic model experimental investigations on wrinkling instabilities which develop on alginate-based coatings when they are wetted by swelling electrolyte drops. The wrinkles first appear randomly within the wet spot, before they selectively protrude out around the perip...

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Bibliographische Detailangaben
Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 23(2007), 18 vom: 28. Aug., Seite 9447-54
1. Verfasser: Baffoun, A (VerfasserIn)
Weitere Verfasser: Haidara, H, Dupuis, D, Viallier, P
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Alginates Hexuronic Acids Solvents Water 059QF0KO0R Glucuronic Acid 8A5D83Q4RW Urea 8W8T17847W
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245 1 0 |a Wetting-induced formation of quasiperiodical wrinkling patterns in alginate-based coatings 
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520 |a We present the results of systematic model experimental investigations on wrinkling instabilities which develop on alginate-based coatings when they are wetted by swelling electrolyte drops. The wrinkles first appear randomly within the wet spot, before they selectively protrude out around the periphery in a quasiperiodical wrinkle pattern. We discuss the critical parameters that drive the emergence (ionic strength and swelling rate) and spatial feature (size and periodicity) of these swelling-induced structures on such complex functional coatings. Beyond their relative aesthetics and their fundamental interest related to morphological instabilities, these reconstruction structures which are invisible to the naked eye can develop in a variety of technological processes (inkjet printing for instance), affecting irreversibly the quality of the products 
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650 7 |a Hexuronic Acids  |2 NLM 
650 7 |a Solvents  |2 NLM 
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700 1 |a Haidara, H  |e verfasserin  |4 aut 
700 1 |a Dupuis, D  |e verfasserin  |4 aut 
700 1 |a Viallier, P  |e verfasserin  |4 aut 
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