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Proceedings Paper

Preparation and properties of Ti(OC4H9)4-GPTMS-MMA derived titania-silica sol-gel optical coatings
Author(s): Qinyuan Zhang; Zhonghong Jiang; Yun Wu; Lili Hu
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Paper Abstract

Sol-gel processing of acid-catalyzed tetrabutoxytitanate, 3- glycidyl propyl trimethoxisilane and monomeric methyl methacrylate to produce titania-silica sol-gel optical coatings and matrix materials has been systematically studied. The coatings were deposited by dip-coating technique on glass substrates from a polymeric solutions, pseudo-ternary phase diagram were used to outline the regions of stability of the Ti(OC4H9)4-C2H5OH-H2O-HAC and Ti(OC4H9)4-GPTMS-C2H5OH-H2O-HAC system respectively. It was found that the stability of the system depend on the compositions, especially the molar ratio of [H2O]/[Ti(OC4H9)4]. The use of GPTMS allows a thicker coatings than is possible with the sol- gel films prepared from non-organically modified alkoxides.

Paper Details

Date Published: 20 February 1998
PDF: 4 pages
Proc. SPIE 3175, Third International Conference on Thin Film Physics and Applications, (20 February 1998); doi: 10.1117/12.300680
Show Author Affiliations
Qinyuan Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Zhonghong Jiang, Shanghai Institute of Optics and Fine Mechanics (China)
Yun Wu, Shanghai Institute of Optics and Fine Mechanics (China)
Lili Hu, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 3175:
Third International Conference on Thin Film Physics and Applications

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