Preparation of Phlogopite-based Geopolymer and Its Surface Nonpolar Modification  

作　　者：LIN Weiqing LUO Wenjun ZHANG Guanghui LI Haifeng 林伟青;罗文君;张光辉;LI Haifeng(School of Civil Engineering and Architecture,Wuhan University of Technology,Wuhan 430070,China;Faculty of Material Science and Chemistry,China University of Geosciences,Wuhan 430074,China;The State Key Laboratory of Refractories and Metallurgy,Wuhan University of Science and Technology,Wuhan 430081,China)

机构地区：[1]School of Civil Engineering and Architecture,Wuhan University of Technology,Wuhan 430070,China [2]Faculty of Material Science and Chemistry,China University of Geosciences,Wuhan 430074,China [3]The State Key Laboratory of Refractories and Metallurgy,Wuhan University of Science and Technology,Wuhan 430081,China

出　　处：《Journal of Wuhan University of Technology(Materials Science)》2021年第3期433-438,共6页武汉理工大学学报（材料科学英文版）

基　　金：Funded by the National Natural Science Foundation of China(Nos.2018033022,2017036019);the Open Funds of Engineering Research Center of Nano-Geo Materials of Ministry of Education,China University of Geosciences(No.NGM2017KF001);the Fundamental Research Funds for the Central Universities(No.185206011);the Open Funds of the State Key Laboratory of Refractories and Metallurgy(Wuhan University of Science and Technology)(No.G201806)。

摘　　要：Phlogopite-based geopolymer was first prepared successfully under the activation of lye by compression molding at 50 MPa for 1 minute.The geopolymer was endowed with nonpolar surface via brushing modified liquid at room temperature.Swill-cooked dirty oil,whose main component was fatty acid,was used as nonpolar modifier.The raw materials and geopolymer samples were characterized by XRD,FT-IR and SEM.The compression strength of 7-day specimen run up to 36.8 MPa and its surface static water contact angle could reach 132°.The solubility of phlogopite powder directly affected the compressive strength of geopolymers and the evaluation index of mechanical strength of geopolymer based on the solubility of phlogopite powder was proposed.

关 键 词：PHLOGOPITE GEOPOLYMER nonpolar modification SOLUBILITY compression strength 

分 类 号：TQ177[化学工程—硅酸盐工业]