Fabrication and characterization of high performance superhydrophobic organosilane-coated fly ash composites with novel micro–nano-hierarchy roughness

Kang, Xin; Li, Yang; Ma, Xin; Sun, He-mei

doi:10.1007/s10853-022-07473-5

Cited by 14 publications

(4 citation statements)

References 48 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The angle between the sample and the horizontal plane is WSA. 57,58 ■ RESULTS AND DISCUSSION Phase Composition. Figure 3a shows the XRD diffraction patterns of kaolinite and superhydrophobic kaolinite.…”

Section: ■ Characterization Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Superhydrophobicity Mechanism and Nanoscale Profiling of PDMS-Modified Kaolinite Nanolayers via Ab Initio-MD Simulation and Atomic Force Microscopy Study

Chen

et al. 2023

Langmuir

Self Cite

View full text Add to dashboard Cite

This study aimed to investigate the superhydrophobic mechanism of kaolinite particles modified with poly(dimethylsiloxane) (PDMS), which has potential as a superior hydrophobic coating. The study employed a combination of density functional theory (DFT) simulation modeling, characterization of the chemical properties and microstructure, contact angle measurements, and chemical force spectroscopy of atomic force microscopy. The results showed successful PDMS grafting onto the kaolinite surface, resulting in micro- and nanoscale roughness and a contact angle of 165°, indicating a successful superhydrophobic effect. The study also identified the mechanism of the hydrophobic interaction through two-dimensional micro- and nanoscale hydrophobicity images, highlighting the potential of this approach for developing new hydrophobic coatings.

show abstract

Section: ■ Characterization Methodsmentioning

confidence: 99%

“…(2) WSA: drop 10 μL of water droplets on the surface of the prepared superhydrophobic kaolinite sample. , After the water droplets are stable on the sample surface, the sample was tilted at a rate of 60°/min until the water droplets roll or slide. The angle between the sample and the horizontal plane is WSA. , …”

Section: Characterization Methodsmentioning

confidence: 99%

Superhydrophobicity Mechanism and Nanoscale Profiling of PDMS-Modified Kaolinite Nanolayers via Ab Initio-MD Simulation and Atomic Force Microscopy Study

Chen

et al. 2023

Langmuir

Self Cite

View full text Add to dashboard Cite

show abstract

“…18 Based on the mechanism, superhydrophobic surfaces have been prepared by either modifying low-surface-energy substances on rough micro/nano surfaces or constructing rough micro/nano structures on the surface of low surface energy substances. 19,20 With the support of this rationale, researchers have started to utilize superhydrophobic surfaces from both micro/nano structures with low surface energy to meet the need for characteristic surfaces. 21−23 Nano zinc oxide is a multifunctional and environmentally friendly inorganic material, which is widely used in electrical conductivity, thermal conductivity due to its excellent catalytic properties.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Moreover, the superhydrophobic self-cleaning phenomenon is caused by the combination of rough micro/nano capillaries and the presence of low-surface-energy wax-like substances . Based on the mechanism, superhydrophobic surfaces have been prepared by either modifying low-surface-energy substances on rough micro/nano surfaces or constructing rough micro/nano structures on the surface of low surface energy substances. , With the support of this rationale, researchers have started to utilize superhydrophobic surfaces from both micro/nano structures with low surface energy to meet the need for characteristic surfaces. − Nano zinc oxide is a multifunctional and environmentally friendly inorganic material, which is widely used in electrical conductivity, thermal conductivity due to its excellent catalytic properties. , Many studies on preparing superhydrophobic surfaces with the modification of nano zinc oxide have gained attention. Ouyang et al utilized superhydrophobic coatings on the surface of magnesium alloys using materials such as SiO 2 and ZnO by chemical deposition and electrodeposition.…”

Section: Introductionmentioning

confidence: 99%

Preparation of a Stable Superhydrophobic Mortar Surface Using a One-Step Method

Han,

Liu,

Xia

et al. 2023

Langmuir

View full text Add to dashboard Cite

Research efforts have intensified on developing superhydrophobic surfaces on concrete structures to limit the damage caused by the natural porosity and hydrophilicity of cementitious materials. However, the feasibility idea is impeded by the complex preparation process and weak adhesion/stability performance. Therefore, superhydrophobic coatings were rapidly prepared on mortar surfaces by a straightforward and effective one-step method using zinc oxide (ZnO) modified with stearic acid and epoxy resin. The microstructure, physical/chemical properties, hydrophobic properties, and stability of the coatings were systematically investigated. The experimental results showed that the water contact angle of the samples reached a maximum value of 164.2° and a sliding angle of 4.6° when the stearic acid content was 0.5 g. The water absorption of the coated superhydrophobic mortar was reduced by approximately 61% compared to that of ordinary mortar, and neither particulate pollutants nor liquid pollutants could contaminate the superhydrophobic mortar. The coating maintained a superhydrophobic state and exhibited good physical durability after sandpaper abrasion, tape peeling, and high-temperature resistance tests. The water cluster diffusion coefficient on surface of the ordinary coating was 0.1645 × 10–4 and 0.0328 × 10–4 cm2/s on surface of the modified coating after molecular dynamics simulation.

show abstract

Electrochemical applications of fly ash as surface modifier: sustainable mitigation of industrial residue

Shukla,

Kadian,

Narayan

2024

J Solid State Electrochem

View full text Add to dashboard Cite

Fabrication and characterization of high performance superhydrophobic organosilane-coated fly ash composites with novel micro–nano-hierarchy roughness

Cited by 14 publications

References 48 publications

Superhydrophobicity Mechanism and Nanoscale Profiling of PDMS-Modified Kaolinite Nanolayers via Ab Initio-MD Simulation and Atomic Force Microscopy Study

Superhydrophobicity Mechanism and Nanoscale Profiling of PDMS-Modified Kaolinite Nanolayers via Ab Initio-MD Simulation and Atomic Force Microscopy Study

Preparation of a Stable Superhydrophobic Mortar Surface Using a One-Step Method

Electrochemical applications of fly ash as surface modifier: sustainable mitigation of industrial residue

Contact Info

Product

Resources

About