Branched Hydrocarbon Low Surface Energy Materials for Superhydrophobic Nanoparticle Derived Surfaces

Shirin Alexander; Julian Eastoe; Alex M. Lord; Frédéric Guittard; Andrew R. Barron

doi:10.1021/acsami.5b09784

Branched Hydrocarbon Low Surface Energy Materials for Superhydrophobic Nanoparticle Derived Surfaces

Shirin Alexander, Julian Eastoe, Alex M. Lord, Frédéric Guittard, Andrew R. Barron^*

^*Corresponding author for this work

Research output: Contribution to journal › Article (Academic Journal) › peer-review

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Abstract

We present a new class of superhydrophobic surfaces created from low-cost and easily synthesized aluminum oxide nanoparticles functionalized carboxylic acids having highly branched hydrocarbon (HC) chains. These branched chains are new low surface energy materials (LSEMs) which can replace environmentally hazardous and expensive fluorocarbons (FCs). Regardless of coating method and curing temperature, the resulting textured surfaces develop water contact angles (θ) of ∼155° and root-mean-square roughnesses (R_q) ≈ 85 nm, being comparable with equivalent FC functionalized surfaces (θ = 157° and R_q = 100 nm). The functionalized nanoparticles may be coated onto a variety of substrates to generate different superhydrophobic materials.

Original language	English
Pages (from-to)	660-666
Number of pages	7
Journal	ACS Applied Materials and Interfaces
Volume	8
Issue number	1
DOIs	https://doi.org/10.1021/acsami.5b09784
Publication status	Published - 13 Jan 2016

Keywords

alumina nanoparticles
fluorinated acids
hyperbranched carboxylic acids
low surface energy materials
superhydrophobic hydrocarbon surfaces

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10.1021/acsami.5b09784

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This is the accepted author manuscript (AAM). The final published version (version of record) is available online via ACS at https://doi.org/10.1021/acsami.5b09784 . Please refer to any applicable terms of use of the publisher.
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title = "Branched Hydrocarbon Low Surface Energy Materials for Superhydrophobic Nanoparticle Derived Surfaces",

abstract = "We present a new class of superhydrophobic surfaces created from low-cost and easily synthesized aluminum oxide nanoparticles functionalized carboxylic acids having highly branched hydrocarbon (HC) chains. These branched chains are new low surface energy materials (LSEMs) which can replace environmentally hazardous and expensive fluorocarbons (FCs). Regardless of coating method and curing temperature, the resulting textured surfaces develop water contact angles (θ) of ∼155° and root-mean-square roughnesses (Rq) ≈ 85 nm, being comparable with equivalent FC functionalized surfaces (θ = 157° and Rq = 100 nm). The functionalized nanoparticles may be coated onto a variety of substrates to generate different superhydrophobic materials.",

keywords = "alumina nanoparticles, fluorinated acids, hyperbranched carboxylic acids, low surface energy materials, superhydrophobic hydrocarbon surfaces",

author = "Shirin Alexander and Julian Eastoe and Lord, {Alex M.} and Fr{\'e}d{\'e}ric Guittard and Barron, {Andrew R.}",

year = "2016",

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AU - Alexander, Shirin

AU - Eastoe, Julian

AU - Lord, Alex M.

AU - Guittard, Frédéric

AU - Barron, Andrew R.

PY - 2016/1/13

Y1 - 2016/1/13

N2 - We present a new class of superhydrophobic surfaces created from low-cost and easily synthesized aluminum oxide nanoparticles functionalized carboxylic acids having highly branched hydrocarbon (HC) chains. These branched chains are new low surface energy materials (LSEMs) which can replace environmentally hazardous and expensive fluorocarbons (FCs). Regardless of coating method and curing temperature, the resulting textured surfaces develop water contact angles (θ) of ∼155° and root-mean-square roughnesses (Rq) ≈ 85 nm, being comparable with equivalent FC functionalized surfaces (θ = 157° and Rq = 100 nm). The functionalized nanoparticles may be coated onto a variety of substrates to generate different superhydrophobic materials.

AB - We present a new class of superhydrophobic surfaces created from low-cost and easily synthesized aluminum oxide nanoparticles functionalized carboxylic acids having highly branched hydrocarbon (HC) chains. These branched chains are new low surface energy materials (LSEMs) which can replace environmentally hazardous and expensive fluorocarbons (FCs). Regardless of coating method and curing temperature, the resulting textured surfaces develop water contact angles (θ) of ∼155° and root-mean-square roughnesses (Rq) ≈ 85 nm, being comparable with equivalent FC functionalized surfaces (θ = 157° and Rq = 100 nm). The functionalized nanoparticles may be coated onto a variety of substrates to generate different superhydrophobic materials.

KW - alumina nanoparticles

KW - fluorinated acids

KW - hyperbranched carboxylic acids

KW - low surface energy materials

KW - superhydrophobic hydrocarbon surfaces

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Branched Hydrocarbon Low Surface Energy Materials for Superhydrophobic Nanoparticle Derived Surfaces

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New low surface energy materials

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Branched Hydrocarbon Low Surface Energy Materials for Superhydrophobic Nanoparticle Derived Surfaces

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New low surface energy materials

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