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Citation: ZHAI Lin-Feng, SHI Tie-Jun, YU Shao-Ming. Preparation and Application of Spinnable Zirconium Sol Ⅰ.Preparation of Continuous Zirconia Fiber[J]. Chinese Journal of Applied Chemistry, ;2008, 25(6): 637-641. shu

Preparation and Application of Spinnable Zirconium Sol Ⅰ.Preparation of Continuous Zirconia Fiber

1.
School of Chemical Engineering, Hefei University of Technology, Hefei 230009

Corresponding author: SHI Tie-Jun,
Received Date: 7 June 2007
Available Online: 8 October 2007
Fund Project: 国家自然科学基金资助项目(50373010) (50373010)

Continuous ZrO₂ precursor fibers were prepared by the sol-gel method with zirconium oxychlorid as raw material,2-propyl as solvent,acetylacetone as complex,and then continuous ZrO₂ fibers were obtained by sintering the precursor at 800℃.The chemistry structure and morphology of the fibers were studied by FT-IR,TGA,elemental analysis and SEM.The process and related influencing factors of the preparation of spinnable zirconium sol were studied.The results show that the zirconium sol has a good spinnability when n(zirconium oxychlorid):n(dioxogen)=1:3,reaction time is 6 h and aging temperature is 15℃.The main component of the ZrO₂ precursor fibers is hydrous zirconia chelated by acetyl acetone.The mean diameter of the sintered ZrO₂ fibers is about 15 μm;there are lots of nanometer pores in ZrO₂ fibers,and cracks are found.
- zirconium oxychloride,
- continuous zirconia fiber,
- sol-gel method
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