Multi-liquid repellent, fluorine-free, heat stable SLIPS via layer-by-layer assembly

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dc.authoridSakir, Ilke Anac/0000-0001-8501-6455
dc.authorwosidSakir, Ilke Anac/E-9372-2011
dc.contributor.authorKasapgil, Esra
dc.contributor.authorErbil, H. Yıldırım
dc.contributor.authorŞakir, İlke Anaç
dc.date.accessioned2023-03-22T19:47:32Z
dc.date.available2023-03-22T19:47:32Z
dc.date.issued2022
dc.departmentBelirleneceken_US
dc.description.abstractSlippery liquid-infused porous surfaces (SLIPS) are an emerging class of bio-inspired materials attracting re-searchers due to their good anti-fouling, anti-icing, and self-cleaning performance. The fluorinated lubricants which are used in the preparation of multi-liquid repellent SLIPS are not suitable for practical applications because of the lubricant losses by evaporation and water drop cloaking and also they cause environmental and health problems. In this study, layer-by-layer (LbL) assembly technique via a capping approach is used to obtain PDMS-based SLIPSs. Amino terminated PDMS was used as a homofunctional polymer layer and three different co-polymers of anhydride [poly(ethylene-alt-maleic anhydride) PEMA, poly(isobutylene-alt-maleic anhydride) PIMA and poly(maleic anhydride-alt-1-octadecene) PMAO] were used as the capping layers to give LbL layers having advancing contact angles between 115 and 120? with the change of the type of anhydride copolymer used and the constituent concentration. Silicone oil was used as the lubricant giving a fluorine-free LbL-SLIPS having a contact angle hysteresis as low as 5-6 repelling water and various other liquids such as glycerol, ketchup and soy sauce by preserving the low contact angle hysteresis for long durations. Moreover, LbL-SLIPS samples also had good heat resistance (to 80 ?C for 8 days) and chemical stability against acids and bases and were durable under the flow of continuous water droplets for a period of 4 h without any damage to SLIPS properties. The best performing LbL-SLIPS sample was prepared using the PEMA capping layer where the decrease in silicone oil thickness and in-crease in contact angle hystresis were found to be lowest under continuous water droplet flow after 4 h.en_US
dc.description.sponsorshipGebze Technical University (GTU) Research Fund [BAP 2017-A102 - 24]; Scientific and Technological Research Council of Turkey (TUBITAK) [2211-C]en_US
dc.description.sponsorshipGebze Technical University (GTU) Research Fund supported this work (Project number: BAP 2017-A102 - 24) . We acknowledge the financial support of The Scientific and Technological Research Council of Turkey (TUBITAK) to one of the authors of this work (Esra Kasapgil, Program number: 2211-C) . The authors thank to Mr. Ahmet Nazim in the Materials Science and Engineering Department of GTU for helping to the SEM analyzes.en_US
dc.identifier.doi10.1016/j.colsurfa.2022.130076
dc.identifier.issn0927-7757
dc.identifier.issn1873-4359
dc.identifier.urihttps://doi.org/10.1016/j.colsurfa.2022.130076
dc.identifier.urihttps://hdl.handle.net/20.500.14034/754
dc.identifier.volume654en_US
dc.identifier.wosWOS:000859021000002en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.journalColloids And Surfaces A-Physicochemical And Engineering Aspectsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPDMSen_US
dc.subjectLayer-by-layer assemblyen_US
dc.subjectSLIPSen_US
dc.subjectSilicone oilen_US
dc.subjectMulti-liquid repellencyen_US
dc.subjectInfused Porous Surfacesen_US
dc.subjectAdhesion Strengthen_US
dc.subjectSlippery Surfacesen_US
dc.subjectSilicone Oilen_US
dc.subjectCoatingsen_US
dc.subjectFilmsen_US
dc.subjectTransparenten_US
dc.subjectTensionen_US
dc.titleMulti-liquid repellent, fluorine-free, heat stable SLIPS via layer-by-layer assemblyen_US
dc.typeArticleen_US

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