2012
DOI: 10.1021/am201565b
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Composite Fluorocarbon Membranes by Surface-Initiated Polymerization from Nanoporous Gold-Coated Alumina

Abstract: This manuscript describes the versatile fabrication and characterization of a novel composite membrane that consists of a porous alumina support, a 100 nm thick nanoporous gold coating, and a selective poly(5-(perfluorohexyl)norbornene) (pNBF6) polymer that can be grown exclusively from the nanoporous gold or throughout the membrane. Integration of the three materials is achieved by means of silane and thiol chemistry, and the use of surface-initiated ring-opening metathesis polymerization (SI-ROMP) to grow th… Show more

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Cited by 16 publications
(11 citation statements)
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“…For the past few years, researchers have focused their attention on producing superhydrophobic surfaces on various materials, for example, fibers, 14 SiO 2 , 15 TiO 2 , 16 brass, 17 Al, 18 and Zn. 19 However, to the best of our knowledge, it is rare to obtain a superhydrophobic surface on a steel surface, let alone pipeline steel.…”
Section: Introductionmentioning
confidence: 99%
“…For the past few years, researchers have focused their attention on producing superhydrophobic surfaces on various materials, for example, fibers, 14 SiO 2 , 15 TiO 2 , 16 brass, 17 Al, 18 and Zn. 19 However, to the best of our knowledge, it is rare to obtain a superhydrophobic surface on a steel surface, let alone pipeline steel.…”
Section: Introductionmentioning
confidence: 99%
“…Postpolymerization functionalizations have also been adopted to tune the properties of the surface-tethered polymers. For ROMP polymers, the olefin groups in the backbone are often used for further functionalization, one of which is sulfonation [34,91]. According to the method reported by Berron et al in 2008, the polymer film generated by SI-ROMP was exposed to a dichloromethane solution of acetyl sulfate, which sulfonated the olefin groups in the polymer chains.…”
Section: Synthesis Of Block Copolymersmentioning
confidence: 99%
“…By rendering a surface hydrophobic, SI-ROMP could be used to modify the wettability of the channels in microfluidic devices [96][97][98] to introduce flow regulations, such as hydrophobic capillary stop valves. Also, previous researches carried out SI-ROMP of fluorinated norbornenes (NBFn) to graft a hydrophobic and oleophobic polymer film [25,91]. Surfaces that are neither hydrophilic nor oleophilic are referred to as "ambiguous" and could possess antibiofouling properties due to the weakening of both hydrophilic and hydrophobic interactions [99].…”
Section: Applicationsmentioning
confidence: 99%
“…Nevertheless, this approach usually requires chemical specificity between substrate and anchoring group. For example, thiols are useful for noble metals such as gold [2,3,4,5,6], platinum [7,8,9,10] and palladium [7,11], phosphates and phosphonates for metal oxides [12,13,14,15] and silanes for hydroxyl-bearing materials such as cellulose [16,17] and silicon oxides [18,19,20,21,22], zinc oxides [23,24], iron oxides [25,26], boron [27], and alumina [6] among others. In order to overcome this limitation, several research groups have drawn inspiration from mussel adhesive proteins, since it is known that they are able to strongly stick onto virtually any kind of surface, thus being usable as models for universal anchoring elements [28,29,30].…”
Section: Introductionmentioning
confidence: 99%