NDLI: A multifunctional polymeric nanofilm with robust chemical performances for special wettability

Content Provider	Royal Society of Chemistry (RSC)
Author	Huang, Yudong Li, Wu Dong, Yaping Liu, Zhong Wang, Yabin Lin, Feng
Copyright Year	2016
Abstract	A multifunctional polymeric nanofilm of a triazinedithiolsilane compound, which can protect metallic substrates and activate the corresponding surface simultaneously, is introduced onto a copper mesh surface via facile solution-immersion approaches. The resultant interface exhibits hydrophilic features due to the existence of silanol groups (SiOH) outward and has the potential to act as a superhydrophilic and underwater superoleophobic material. As the polymeric nanofilm atop the copper mesh is modified with long-chain octadecyltrichlorosilane (OTS), the functionalized surface becomes superhydrophobic and superoleophilic. The OTS-modified polymeric nanofilm shows outstanding chemical durability and stability that are seldom concurrently satisfied for a material with special wettability, owing to its inherent architecture. These textures generate high separation efficiency, durable separation capability and excellent thermal stability. The protective ability, originating from the textures of the underlying cross-linked disulfide units (–SS–) and siloxane networks (SiOSi) on the top of the nanofilm, prolongs the chemical durability. The activating capability stemming from the residual SiOH groups improves the chemical stability as a result of the chemical bonds developed by these sites. The significant point of this investigation lies in enlightening us on the fabrication of multifunctional polymeric nanofilms on different metal surfaces using various triazinedithiolsilane compounds, and on the construction of interfaces with controllable wettable performances in demanding research or industrial applications.
Starting Page	5153
Ending Page	5161
Page Count	9
File Format	HTM / HTML PDF
ISSN	20403364
Volume Number	8
Issue Number	9
Journal	Nanoscale
DOI	10.1039/c5nr07601c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Silanol Wetting Siloxane Disulfide Nanomaterials Schutzstaffel Hydrophile Hydrophobe Copper
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology

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