Paper Title:
Preparation and Properties of UV Curable Silica Coatings from MPTMS and TEOS
  Abstract

UV curable 3-(trimethoxysilyl) propyl methacrylate MPTMS modified silica hybrid coating was prepared through sol-gel process from TEOS and MPTMS in acid medium for different ratios between TEOS and MPTMS. The structure of the hybrid coating and the formation of inorganic-organic hybrid networks were studied by FT-IR. It was found that the organic networks were formed by the polymerization of C=C bonds at 1638 cm-1. The influences of the photoinitiator content and the curing time on the curing degree of the mixture system were investigated. The results showed that the optimal photoinitiator content was 3%, and curing time was 180 s. The thermal stability of the UV cured coating was investigated by TG-DTA. The results showed that the contents of low-molecular compounds such as H2O, CH3OH, etc. were decreased in cured coatings with the increasing of the MPTMS concentration, thus significantly decreasing of the thermal weight-loss at temperature lower than 400°C.

  Info
Periodical
Advanced Materials Research (Volumes 181-182)
Edited by
Qi Luo and Yuanzhi Wang
Pages
611-616
DOI
10.4028/www.scientific.net/AMR.181-182.611
Citation
F. Liao, X. R. Zeng, "Preparation and Properties of UV Curable Silica Coatings from MPTMS and TEOS", Advanced Materials Research, Vols. 181-182, pp. 611-616, 2011
Online since
January 2011
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Price
$32.00
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