Durable ultra-hydrophobic surfaces for self-cleaning applications

2008 ◽  
pp. n/a-n/a ◽  
Author(s):  
P. F. Rios ◽  
H. Dodiuk ◽  
S. Kenig ◽  
S. McCarthy ◽  
A. Dotan
Keyword(s):  
Hydrophobic Surfaces ◽  
Self Cleaning

scholarly journals Droplet fluid infusion into a dust layer in relation to self-cleaning

RSC Advances ◽  
2020 ◽  
Vol 10 (53) ◽  
pp. 32034-32042
Author(s):  
Ghassan Hassan ◽  
Bekir Sami Yilbas ◽  
Hussain Al-Qahtani
Keyword(s):  
Dust Removal ◽  
Hydrophobic Surfaces ◽  
Dust Layer ◽  
Fluid Infusion ◽  
Self Cleaning ◽  
Droplet Liquid

Wettability of a droplet liquid on a dusty hydrophobic plate is considered and the fluid infusion into the dust layer is studied pertinent to dust removal from the hydrophobic surfaces via rolling/sliding droplets.

Hydrophobicity of Surfaces Coated with Functionalized Titanium Dioxide Nanoparticles

2016 ◽  
Vol 705 ◽  
pp. 268-272 ◽  
Author(s):  
Paul Albert L. Sino ◽  
Marvin U. Herrera ◽  
Mary Donnabelle L. Balela
Keyword(s):  
Contact Angle ◽  
Silicon Carbide ◽  
Titanium Dioxide ◽  
Titanium Dioxide Nanoparticles ◽  
Soda Lime ◽  
Soda Lime Glass ◽  
Water Droplets ◽  
Hydrophobic Surfaces ◽  
Coated Surface ◽  
Self Cleaning

Hydrophobic surfaces are eyed for their self-cleaning ability because water droplets can roll on them (instead of clinging), thus the surface have capability to remove dirt. Hydrophobic surfaces were created by coating functionalized Titanium Dioxide-based paint. The paint was fabricated by reacting fluorosilane molecules in ethanol with titanium dioxide nanoparticles. Ethanol also serves as the volatile suspension medium that evaporates when the paint is coated on surfaces. The paint was coated on different surfaces by simple dipping. Contact angle of coated aluminum sheet, soda-lime glass, filter paper and silicon carbide polishing paper showed hydrophobicity. Water droplets are made to roll on coated soda-lime glass at angle of 0.057°. The ability of water droplets to roll highlights the coated surface self-cleaning potential.

Low Cost Synthesis of Hydrophobic Aluminum Alloy for Self-Cleaning Applications

2015 ◽  
Vol 659 ◽  
pp. 565-569
Author(s):  
Pat Sooksaen ◽  
Paradee Janmat ◽  
Wilaiwan Thovasakul ◽  
Onnuch Chulasinont
Keyword(s):  
Aluminum Alloy ◽  
Aluminium Alloy ◽  
Electrolyte Concentration ◽  
Low Cost ◽  
Electrochemical Anodization ◽  
Hydrophobic Surfaces ◽  
Silane Coating ◽  
Porous Surfaces ◽  
Porous Oxide ◽  
Self Cleaning

This research fabricated hydrophobic surfaces of aluminium alloy via electrochemical anodization and silane coating. The procedures consisted of electrochemical anodization in 1 and 1.5 M sulfuric acid using 12 volts dc. Anodization produced stable porous oxide layer on the surface. Aluminium alloy formed porous oxide structures with thickness in micrometer regime. The thickness of the porous layer was affected by the anodizing conditions such as electrolyte concentration and time. Dichloro methylsilane (5% in ethanol) was applied onto the porous surfaces by submerging the anodized surfaces into it for 10-60 min. After washing the treated surfaces with soap for many times, hydrophobic surfaces were obtained with some surfaces showed wetting angles greater than 100°. Water droplets of any sizes can roll off on these surfaces when tilted at angles above 10°. The treated aluminium surfaces can be applied for self-cleaning and anti-icing applications.

Effect of structure of porous materials on their self-cleaning from a liquid pha

2018 ◽  
Vol 4 (4) ◽  
pp. 52-63
Author(s):  
V. Yu. Shumskaya ◽  
S. F. Zhandarov ◽  
L. A. Kalinin ◽  
L. F. Ivanov ◽  
V. V. Snezhkov ◽  
...  
Keyword(s):  
Porous Materials ◽  
Self Cleaning ◽  
Effect Of Structure

DESIGN, MANUFACTURING AND EXPERIMENTAL TESTING OF A SELF-CLEANING EXIT PORT MECHANISM FOR A SOLAR REACTOR

2019 ◽  
Author(s):  
Joppe Rutten ◽  
Jens Verschoren ◽  
Nesrin Ozalp ◽  
Cédric Ophoff ◽  
David Moens
Keyword(s):  
Experimental Testing ◽  
Solar Reactor ◽  
Exit Port ◽  
Self Cleaning

Photocatalytic Self-Cleaning Fine-Grained Concrete

2020 ◽  
Vol 778 (1-2) ◽  
pp. 8-15
Author(s):  
N.P. LUKUTTSOVA ◽  
◽  
R.A. EFREMOCHKIN ◽  
O.I. BORSUK ◽  
S.N. GOLOVIN ◽  
...  
Keyword(s):  
Fine Grained ◽  
Self Cleaning
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