无机改性掺和料对沸石调湿材料性能的影响  

Effect of Inorganic Modified Admixture on Performance of the Zeolite Humidity-Controlling Materials

作　　者：胡明玉[1,2] 刘章君 柯书俊 付超[1,2] 樊财进 HU Mingyu;LIU Zhangjun;KE Shujun;FU Chao;FAN Caijin(School of Civil Engineering and Architecture,Nanchang University,Nanchang 330031,China;Key Laboratory for Ultra-low Energy Buildings of Jiangxi Province,Nanchang University,Nanchang 330031,China)

机构地区：[1]南昌大学建筑工程学院,江西南昌330031 [2]南昌大学江西省超低能耗建筑重点实验室,江西南昌330031

出　　处：《建筑材料学报》2018年第5期791-796,共6页Journal of Building Materials

基　　金：国家自然科学基金资助项目(51362021);江西省水利厅科技项目(KT201331)

摘　　要：试验研究了无机改性掺和料对沸石调湿材料性能的影响,并根据扫描电子显微镜(SEM)观测数据和材料的吸附/解吸理论分析了沸石调湿材料的调湿机理.结果表明:无机改性掺和料掺量(质量分数)为15%～20%时,沸石调湿材料的抗压强度、耐水性和调湿性能均较优;改性掺和料与沸石反应生成了C-S-H凝胶和水化铝酸盐产物;沸石对空气中水分子的表面物理吸附、化学吸附和毛细孔道效应,使得沸石调湿材料能够自动调节湿度.The effect of inorganic modified admixture on the performance of zeolite humidity-controlling materials was studied experimentally.The humidity-controlling mechanism of the zeolite humidity-controlling materials was investigated based on the analysis of scanning electron microscope(SEM)and the theory of moisture absorption/desorption of materials.The results show that the compressive strength,the softening coefficient and the humidity-controlling performance of the zeolite humidity-controlling materials are better when the content(by mass)of inorganic modified admixture is 15%20%.The modified admixture can react with zeolite to form C-S-H gel and hydrated aluminate products.The surface physical and chemical adsorption of water in the air and the capillary effect of the zeolite humidity-controlling materials makes the zeolite humidity-controlling materials be able to regulate the humidity automatically.

关 键 词：沸石调湿材料 抗压强度 软化系数 平衡含湿率 吸放湿速率 

分 类 号：TB34[一般工业技术—材料科学与工程]