矿化剂对硬硅钙石水热合成的影响  

Effect of mineralizer on dynamic hydrothermal synthesis of xonotlite

作　　者：刘金婵 乐红志[1] 李福功[2] 李洪达 毕建波[1] LIU Jinchan;YUE Hongzhi;LI Fugong;LI Hongda;BI Jianbo(School of Materials Science and Engineering,Shandong University of Technology,Zibo 255049,China;Shandong Industrial Ceramics Research and Design Institute,Zibo 255000,China)

机构地区：[1]山东理工大学材料科学与工程学院,山东淄博255049 [2]山东工业陶瓷研究设计院,山东淄博255000

出　　处：《山东理工大学学报（自然科学版）》2020年第6期70-73,共4页Journal of Shandong University of Technology:Natural Science Edition

基　　金：淄博市校城融合发展计划项目(2018ZBXC002);山东省重大科技创新工程项目(2018CXGC1011)。

摘　　要：研究了CaCl2、Sr(NO3)2、Mn(CH3COO)2·4H2O和ZrOCl2·8H2O作为矿化剂对硬硅钙石纤维合成过程、形貌和性能的影响规律;同时,采用场发射扫描电镜、X射线衍射等测试手段对硬硅钙石纤维显微形貌和物相进行分析和表征。结果表明:配料中加入CaCl2、Sr(NO3)2,硬硅钙石的球形团聚体未明显变大,粒子呈片状结构,体积密度较大。加入矿化剂Mn(CH3COO)2·4H2O、ZrOCl2·8H2O,硬硅钙石纤维细长且交织缠绕,形成了良好的中空结构,故合成产物体积密度较小,这有利于提高硬硅钙石的保温隔热性能。This paper studies the influence of on the synthesis process,morphology and properties of xonotlite fibers.The micromorphology and phase of xonotlite fibers were analyzed and characterized by field emission scanning electron microscopy and X-ray diffraction.The results show that the addition of CaCl2 and Sr(NO3)2 did not make the spherical aggregates of xonotlite significantly larger,and the particles were flaky and had a large volume density.When adding Mn(CH3COO)2·4 H2O and ZrOCl2·8 H2O as additives,the xonotlite fibers are slender,entangle to form a good hollow structure,and thus make these products hold a lower bulk density,which is favorable for improving the thermal insulation performance of the xonotlite materials.

关 键 词：硬硅钙石 矿化剂 二次粒子 

分 类 号：TQ175[化学工程—硅酸盐工业]