无氟无氯无碱液体速凝剂的作用机理  

The Mechanism of Fluorine-free,Chlorine-free and Alkali-free Liquid Accelerator

作　　者：刘艳[1,2,3] 孙振平[1,2,3] 田俊涛 杨海静[1,2,3] 张贝贝 李志林 杨春云[3] Liu Yan;Sun Zhenping;Tian Juntao;Yang Haijing;Zhang Beibei;Li Zhilin;Yang Chunyun(Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education,Tongji University,Shanghai 201804,China;School of Materials Science and Engineering,Tongji University,Shanghai 201804,China;Yunnan Fluorine Environment Protect Technology Co.,Ltd.,Kunming 650000,China)

机构地区：[1]同济大学先进土木工程材料教育部重点实验室,上海201804 [2]同济大学材料科学与工程学院,上海201804 [3]云南氟业环保科技股份有限公司,云南昆明650000

出　　处：《云南化工》2024年第4期12-18,共7页Yunnan Chemical Technology

基　　金：国家自然科学基金项目(52278272);云南省科技厅专家工作站项目(202105AF150243)。

摘　　要：速凝剂作为一种重要的混凝土外加剂,广泛应用于隧道、矿山井巷、堵漏抢修等工程中。综述了无氟无氯无碱液体速凝剂的由来,并重点揭示了硫酸铝型无氟无氯无碱液体速凝剂中硫酸铝对水泥水化的促进作用与机理,以及其它组分(包括酸、多醇类物质、醇胺类物质和硫酸镁等)对水泥水化的影响及机理。As an important concrete admixture,flash setting admixture is widely used in tunnels,mine shafts,leakage plugging and repairing projects.In this paper,the origin of fluorine-free,chlorine-free and alkali-free liquid flash setting admixture,the mechanism of fluorine-free,chlorine-free and alkali-free liquid flash setting admixture of aluminum sulfate type,and the effects of different components in the admixture on the effect of flash setting admixtures are reviewed.

关 键 词：无氟无氯无碱液体速凝剂 硫酸铝 钙矾石 作用机理 作用效果 

分 类 号：TU528[建筑科学—建筑技术科学]