Paper Title:
Properties of Sol-Gel Coating Film from Colloidal Silica-Silane Sol
  Abstract

Two kinds of colloidal silica(CS)/silane sol solutions were prepared. Two sol solutions are involved with the kinds of silane such as methyltrimethoxysilane(MTMS) and  -Glycidoxypropyl trimethoxysilane(ETMS) using LS CS. MTMS was added to two sol solutions. Whether ETMS was added or not, two kinds of sol solutions were synthesized. Using two kinds of sol solutions, sol-gel coating films were formed on glass substrates via dip-coating process. Here, seasoning effect of for enhancing properties of sol-gel coating layer on glass was investigated while such sol-gel solutions were left for 7days. Also, their properties such as surface free energy, roughness, thermal property, potential hardness and elastic portion were characterized in order to understand the effect of addition of ETMS. In this case of LS/MTMS sol, the coating film had low surface free energy and more enhanced flat surface than that of the case of LS/MTMS/ETMS sol. ETMS forms hydrophilic hydroxyl group in sol solution, then surface free energy of LS/MTMS/ETMS coating film increased. In the beginning of reaction sol solution seemed to be unstable, but 4days later their coating film properties such as surface free energy and roughness enhanced. The elastic portion of coating films obtained from LS/MTMS/ETMS sol increased with addition of ETMS, but thermal stability decreased.

  Info
Periodical
Materials Science Forum (Volumes 544-545)
Edited by
Hyungsun Kim, Junichi Hojo and Soo Wohn Lee
Pages
813-816
DOI
10.4028/www.scientific.net/MSF.544-545.813
Citation
M. K. Na, M. S. Ahn, H. Y. Park, "Properties of Sol-Gel Coating Film from Colloidal Silica-Silane Sol", Materials Science Forum, Vols. 544-545, pp. 813-816, 2007
Online since
May 2007
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Bong Hwan Kim, Sang Mok Lee
Abstract:Al-Cu-Fe-B quasicrystalline and Mo coatings were obtained on the mild steel and brass substrates by thermal spraying routes for the purpose...
715
Authors: N. R. Ha, Z. X. Yang, Kyu Hong Hwang, J. K. Lee
Abstract:Pure Titanium alloys are superiorities of biocompatibility, mechanical properties and chemical stability. The biocompatibility of Ti alloy...
177
Authors: Tong Lin, Tong Cheng, Rex Brady, Xun Gai Wang
Abstract:In our previous work, we have produced a photochromic wool fabric by applying a thin layer of hybrid silica-photochromic dye onto the wool...
21
Authors: Guo Jun Li, Xue Jun Cui, Rui Ming Ren
Abstract:The organic-inorganic hybrid sol was prepared using an alkaline silica sol modified by acid-catalyzed hydrolytic polycondensation of...
1197
Authors: Hu Liu, Hong Yan Zhu, Qian Qian Shang, Guo Min Xiao
Chapter 17: Surface Engineering/Coatings
Abstract:In this study, water-based polyurethane coating with anti-graffiti property was prepared. The pot life and volatilization process of volatile...
2993