Guptha, Myadam Rahul  <br/><br/>
Fabrication of superhydrophobic surface with SILICA/PDMS nanocomposite using dip coating  

 - Pathum Thani, Thailand :  Asian Institute of Technology,  2022 
 - 49 p. :  ill. 
 - Research studies project report ;  no. ISE-22-01 .
 - Asian Institute of Technology.  Research studies project report ;  no. ISE-22-01 .
<br/><br/> A research study submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Nanotechnology, School of Engineering and Technology 
<br/><br/>Research report (M. Eng.) - Asian Institute of Technology, 2022 
<br/><br/> Silica (SiO2) is one of the very interesting inorganic compound materials which have  unique physio-chemical properties and wide industrial applications. In this research we  used silica nanoparticles surface modified with hydrophobic functional groups to  prepare a nanocomposite using polydimethylsiloxane (PDMS) as matrix and use the  nanocomposite to fabricate superhydrophobic surface using dip coating technique. The  silica nanoparticles, silica/PDMS nanocomposite and the superhydrophobic surfaces  are characterized by electron microscopy to study their morphology. Water contact  angle on the superhydrophobic surface is studied by analysing surface wettability  measurement methods. Static and Sliding water contact angles are investigated for  different concentrations of silica nanoparticles in the nanocomposite. A water contact  angle of 154 ̊is obtained for silica/PDMS nanocomposite film which is almost 28%  higher than the plain PDMS indicating improved hydrophobicity of the PDMS layer.   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coatings--Additives<br/>Silica--Surfaces