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Citation: ZHANG Ling, CAI Tao, YAO Ying-Zheng, . Preparation and Characterization of Silica-Titania Binaries and Its Hybrid Materials[J]. Chinese Journal of Applied Chemistry, ;2005, 22(9): 984-988. shu

Preparation and Characterization of Silica-Titania Binaries and Its Hybrid Materials

1.
Institute ofPolymer Science, Zhongshan University, Guangzhou 510275

Corresponding author: ZHANG Ling,
Received Date: 5 November 2004
Available Online: 28 April 2005
Fund Project: 中山大学青年教师科研启动基金(01-31120-1130019) (01-31120-1130019)广东省科学基金研究团队项目(039184)资助项目 (039184)

Silica-titania binaries and poly(butyl methacrylate)/silica-titania hybrid materials were synthesizedviathe sol-gel method.The structures of both the materials were characterized,respectively.It was found thatamorphous TiO₂was dispersed in the network of SiO₂,forming a stable and chemical homogeneous silica-titania binary material.The results of RAMAN,XRD and FESEMall indicate that the diameters of the parti-cles of silica-titania inorganic phase are around 15 nm(nano level).Poly(butyl methacrylate)/silica-titaniahybrid material is continuous and homogeneous with the introduction of a silane coupling agent.Thermogravimetric analysis showed that compared with that of pure PBMA,T_max of the hybrid material hasshifted obviously from(258±3)℃ to(271±3)℃,indicating that the connection of the organic moleculeswith the inorganic network by chemical bonds can improve the heat resistance of the hybrid material.
- silica-titania binary,
- poly(butyl methacrylate)/silica-titania hybrid material,
- sol-gel method
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