萘系高效减水剂与建筑陶瓷料浆相容性研究  

Study of Compatibility of Effective Naphthalene Water-reducing Agent with Ceramic Slurry Billet

作　　者：叶昌[1] 鲁伟明[1] 夏清[1] 

机构地区：[1]长沙理工大学物理与电子科学学院,长沙410114

出　　处：《硅酸盐通报》2012年第5期1234-1238,共5页Bulletin of the Chinese Ceramic Society

基　　金：湖南省科技计划资助项目(2012GK3055);湖南省教育厅资助项目(No.08C094)

摘　　要：通过X射线衍射分析、流动度分析、Zeta电位分析、粒度分析等检测方法,研究了不同减水剂对陶瓷浆料流动性及悬浮性、触变性、颗粒粒度的影响,并分析其不同的作用机理。结果表明:减水剂的分子构型、含量、陶瓷坯料的颗粒形状、浆料水分含量等对二者的相容性影响很大;在设定配比的建筑陶瓷坯料中加入合适比例(0.35%偏硅酸钠、0.1%六偏磷酸钠、0.05%萘系高效减水剂)的无机与有机的复合减水剂,对料浆性能改善效果要优于单一萘系减水剂及企业目前使用的无机复合减水剂,如提高流动性,减少料浆的水分、降低料浆颗粒大小,提高干坯强度。By the use of X-ray diffraction, fluidity and suspended analysis, Zeta-potential and grading measurements, the effects of different types of superplasticizer （effective naphthalene water-reducing agent, Naphtilalene and sodium metasilicate, Naphthalene, sodium metasilicate and sodium hexametaphosphate, Enterprises to use the inorganic compound reducing agent）are mixed separately into the construction ceramic slurry properties. It was studied that how fluidity and suspensibility of kaolin mud,thixotropy and the impact of particle size were affected by different kinds of water reducer and different mechanisms were analyzed. The relative molecular mass and structure of water reducer and content, moisture content and shape of ceramic blank, particle have great impact on their compatibility. Appropriate proportion （ including 0.35% sodium metasilicate ; 0. 1% sodium hexametaphosphate; O. 05% effective naphthalene water-reducing agent ） of mixed water reducer is added into designed ceramic castable according to the compatibility of inorganic and organic compound reducing agent, the effect of the slurry to improve performance is superior to a single naphthalene superplasticizer and the inorganic compound reducing agent being used in businesses currently. Such as increasing liquidity, reduce pulp moisture, reduce feed slurry particle size, increase the mechanical strength of dry body.

关 键 词：萘系高效减水剂 料浆 适应性 流动性 

分 类 号：TB332[一般工业技术—材料科学与工程]