Effects of atmosphere and stabilizer on the decomposition and crystallization of polyacetylacetonatozirconium

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• 作者：Kangkang Yuan ; Xinzhu Gan ; Xinqiang Wang…
• 关键词：Zirconia ; Water vapor ; Phase transformation ; Zirconium acetate
• 刊名：Journal of Thermal Analysis and Calorimetry
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：127
• 期：3
• 页码：1889-1895
• 全文大小：
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Physical Chemistry; Analytical Chemistry; Polymer Sciences; Inorganic Chemistry; Measurement Science and Instrumentation;
• 出版者：Springer Netherlands
• ISSN：1588-2926
• 卷排序：127

文摘

The present study fully reports the decomposition of polyacetylacetonatozirconium (PAZ) in air with thermogravimetry–differential scanning calorimetry and Fourier transform infrared spectroscopy. The influence of water vapor on the decomposition of PAZ was characterized with the Fourier transform infrared spectroscopy. Crystallization and phase transformation of PAZ were studied by X-ray diffraction and Raman spectroscopy. The experimental results show that water vapor promotes the decomposition of PAZ and crystallization of zirconia compared with air. Furthermore, the effect of different amount of stabilizer Y(NO₃)₃·6H₂O on the pyrolysis and phase stabilization of PAZ shows that NO₃− was beneficial to the oxidation of organic components and the formation of Y₂O₃ could stabilize tetragonal zirconia and hinder grain growth.