均分散胶体的研究——Ⅴ.锆化合物均分散颗粒的制备  

STUDY ON MONODISPERSED COLLOID——Ⅴ.PREPARATION OF MONODISPERSED PARTICLES OF ZIRCONIUM COMPOUNDS

作　　者：王光信[1] 孙浩贤 侯耀永[1] 陈宗淇[1] 

机构地区：[1]青岛化工学院应用化学系,青岛266042

出　　处：《物理化学学报》1993年第6期815-818,共4页Acta Physico-Chimica Sinica

基　　金：国家自然科学基金;山东省科学基金

摘　　要：根据部分稳定氧化锆陶瓷（PSZ）的增韧机制,减小陶瓷粉料ZrO₂颗粒的尺寸是提高陶瓷韧性及其它机械性能的关键,因此合成细微ZrO₂粉料的研究开展得十分活跃.韩利成等用液相沉淀法制备尺寸在微米级以下的氢氧化锆颗粒.村濑嘉夫等在H₂O₂存在下升温水解ZrOCl₂溶液,制备ZrO₂超细颗粒.从所发表的透射电子显微镜（TEM）照片看,他们所制得的颗粒形状和尺寸都不均一,而且粘连。This paper describes the preparation of monodispersed sol of zirconium basic carbonate con-sisting of particles with diameter less than 0.6 μm by aging Zr(Ⅳ)solution at elevated temperaturein the presence of urea and glycerol.The composition of the monodispersed particles has pri-marily been determined by the IR spectra and the weight-loss of the particles on calcination.The monodispersed particles of ZrO_2 were obtained by calcination of the monodispersed particlesseparated from the sol at 850℃ for 2h.

关 键 词：均分散 碱式碳酸锆 氯化锆 胶体 

分 类 号：O648.16[理学—物理化学]