(6926)--气凝胶膨胀珍珠岩隔墙板的制备与性能.pdf

气凝胶膨胀珍珠岩隔墙板的制备与性能 摘 要： 研究了气凝胶膨胀珍珠岩作为骨料制作低导热隔墙板。使用红外光谱测试仪检测气凝胶膨胀珍珠岩的疏水特性，以硅 烷偶联剂作为结合层将气凝胶膨胀珍珠岩与胶凝材料结合。采用单因素试验和正交试验分析可再分散性乳胶粉、羟丙基甲基纤 维素和高效聚羧酸减水剂对隔墙板导热系数和抗压强度的影响及其成因。制得隔墙板的导热系数为0.062 W/ （m ·K），抗压强度 为4.39 MPa 。 关键词： 气凝胶膨胀珍珠岩；隔墙板；导热系数；抗压强度 中图分类号： TU528.041 文献标志码： A 文章编号： 1002-3550 （2019）02-0133-05 1 1 2 2 WANG Liang ，LI Zhu ，LIU Peng ，JING Qiangshan （1.College of Architecture and Civil Engineering，Taiyuan University of Technology，Taiyuan 030024，China； 2.Xinyang Normal University，Xinyang 464000 ，China） Ab stract:The properties of the insulation partition board with aerogel filled in expanded perlite as aggregate was studied.Hydrophobic properties of expanded perlite filled with aerogel was tested by infrared spectrometer ，silane coupling agent was used as binding layer to combine cementitious material with aerogel-expanded perlite.Single factor and orthogonal test were applied to analyze the influence of redispersible latex powder，hydroxypropyl methylcellulose and polycarboxylate superplasticizer on the thermal conductivity and compressive strength of the partition board and the causes of formation.Thermal conductivity of the partition board was 0.062 W/ （m ·K）and compressive strength of it was 4.39 MPa. Keywords:expanded perlite filled with aerogel ；partition board ；thermal conductivity ；compressive strength [8] 土，获得导热系数最低为0.36 W/ （m ·K）的混凝土 。 0 引言 珍珠岩被加热到900~1 000 ℃时，会转变成一种多孔材 随着世界经济的发展，按照目前的消耗速度，石油、天 料：膨胀