Fabrication of a superhydrophobic surface by straightforward immersion for copperplate artwork protection

Liu, Jingming; Wang, Min; Gu, Chengyu; Zhang, Lehua; Yan, Ying

doi:10.1039/d0ra08233c

Cited by 2 publications

(2 citation statements)

References 17 publications

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“…18 Chemical etching for roughness creation followed by immersion in trimethoxysilane for surface energy reduction led to a CA of 161.2°. 19 Simultaneous deposition of silver and modifying the surface with perfluorooctanoic acid by immersion method also led to Ca of 169.9°. 20 Electrodeposition stands out as a well-established industrial process that can be used in superhydrophobic surface fabrication due to its facility, scalability, and high efficiency.…”

Section: Introductionmentioning

confidence: 99%

Superhydrophobic modified electrodeposited copper surface for fog harvesting

Nasrollahikateb Elizee,

Asjadi,

Lajevardi

2024

Surface Engineering

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The superhydrophobic copper surfaces were fabricated by electrodeposition of copper followed by surface modification with stearic acid (SA). The electrodeposition of copper for 90 s at a voltage of 1.2 V, was identified as the optimum condition via contact angle measurement and used for further investigation. In the next step, the study explored the influence of the solution concentrations and the duration of the modification process. A 0.01 molar SA solution rendered the surface superhydrophobic after 24 h, while 0.1 and 0.25 molar solutions of SA achieved this in 10 min, with the latter exhibiting a larger contact angle(158 ± 2°), and a sliding angle of 3.5°. Fog harvesting experiments demonstrated nucleation, growth, and droplet merging on a superhydrophobic surface. The efficiency of the superhydrophobic surface was calculated to be 4.6 g/cm2. h which is approximately 50% larger than polished surface.

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Section: Introductionmentioning

confidence: 99%

Superhydrophobic modified electrodeposited copper surface for fog harvesting

Nasrollahikateb Elizee,

Asjadi,

Lajevardi

2024

Surface Engineering

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“…However, 1H, 1H, 2H, 2H-perfluorooctyltriethoxysilane has low fluorine content, low boiling point, and the preparation process is volatile. (Heptadecafluoro-1,1,2,2-tetradecyl) trimethoxysilane (FAS-17) was used in the construction of hydrophobic layers [ 22 , 23 , 24 ]. It was not volatile, with the boiling point as high as 203 °C, and it can be coated on the surface of w-Al to form a passivation protection layer.…”

Section: Introductionmentioning

confidence: 99%

Energetic and Protective Coating via Chemical and Physical Synergism for High Water-Reactive Aluminum Powder

et al. 2022

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Aluminum powder plays important role in the field of energetic materials. However, it is often vulnerable to oxygen and water due to the high reactivity of aluminum, and it is challenging to build up uniform and passivated coating via existing means. In this work, (Heptadecafluoro-1,1,2,2-tetradecyl) trimethoxysilane (FAS-17) and glycidyl azide polymer (GAP) were used to coat the surface of high water-reactive aluminum powder (w-Al) to form inactivated w-Al@FAS-17@GAP energetic materials, via the synergy of chemical bonding and physical attraction. Thermal reaction tests showed that the exothermic enthalpy of w-Al@FAS-17@GAP was 5.26 times that of w-Al. Ignition tests showed that w-Al@FAS-17@GAP burnt violently at 760 °C, while w-Al could not be ignited even at 950 °C. In addition, the combined coating of FAS-17 and GAP could effectively improve the hydrophobicity and long-term stability of w-Al, which helped to overcome the poor compatibility of w-Al with explosive components. Our work not only displayed an effective routine to synthesize O2/H2O proof Al energetic materials, but also pointed out a synergistically chemical and physical strategy for constructing intact high-performance surfaces.

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Fabrication of a superhydrophobic surface by straightforward immersion for copperplate artwork protection

Abstract: A facile method was proposed which used for the construction of a superhydrophobic film on the surface of copperplate images by straightforward immersion in trimethoxysilane solution to achieve anticorrosive protection of copperplate artworks.

Cited by 2 publications

References 17 publications

Superhydrophobic modified electrodeposited copper surface for fog harvesting

Superhydrophobic modified electrodeposited copper surface for fog harvesting

Energetic and Protective Coating via Chemical and Physical Synergism for High Water-Reactive Aluminum Powder

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