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Citation: ZHAI Lin-Feng, SHI Tie-Jun, YU Shao-Ming. Preparation and Application of Spinnable Zirconium Sol Part Ⅱ:Preparation of Continuous ZrO₂/PVP Hybrid Fiber[J]. Chinese Journal of Applied Chemistry, ;2009, 26(1): 55-58. shu

Preparation and Application of Spinnable Zirconium Sol Part Ⅱ:Preparation of Continuous ZrO₂/PVP Hybrid Fiber

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

Corresponding author: SHI Tie-Jun,
Received Date: 5 December 2007
Available Online: 9 May 2008
Fund Project: 国家自然科学基金资助项目(50373010) (50373010)

ZrO₂/PVP hybrid fibers were successfully prepared from the blend of spinnable zirconium sol and 10%PVP solution by dry spinning.FT-IR,TG,SEM and XRD were applied to study the chemical structure and microstructure of the hybrid fibers as well as influence of hybrid degree on the sintered ZrO₂ fibers.The results show that ZrO₂/PVP hybrid fibers with a diameter of 10~25 μm can be more than tens meters in length.The hybrid between PVP and zirconium sol is formed by Zr-O coordinate linkage.The fibers retained their original shape after sintering,but became finer.The sintered fibers contracted more strongly,even cracked when the ZrO₂ content in the hybrid fibers decreased.The lower the ZrO₂ content,the smaller the crystal grains of ZrO₂ in the sintered fibers.At the same ZrO₂ content,the crystal grains of ZrO₂ increased with the sintering temperature increase.
- zirconiumsol,
- hybridfiber,
- spinnable,
- preparation
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Preparation and Application of Spinnable Zirconium Sol Part Ⅱ:Preparation of Continuous ZrO2/PVP Hybrid Fiber

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Preparation and Application of Spinnable Zirconium Sol Part Ⅱ:Preparation of Continuous ZrO₂/PVP Hybrid Fiber