癸酸-棕榈酸/膨胀珍珠岩相变石膏热学性能研究  

Study on thermal properties of capric-palmitic acid/expanded perlite phase change gypsum

作　　者：李轩 刘志成 张逸超 LI Xuan;LIU Zhicheng;ZHANG Yichao(China Testing&Certification International Group Co.,Ltd.,Beijing 100024;State Key Laboratory of Green Building Materials,China Building Materials Academy Co.,Ltd.,Beijing 100024;School of Civil Engineering,Shenyang Jianzhu University,Shenyang 110168)

机构地区：[1]中国国检测试控股集团股份有限公司,北京100024 [2]中国建筑材料科学研究总院有限公司绿色建筑材料国家重点实验室,北京100024 [3]沈阳建筑大学土木工程学院,辽宁沈阳110168

出　　处：《中国建材科技》2023年第2期51-54,共4页China Building Materials Science & Technology

基　　金：辽宁省高校创新团队项目(LT2019011)。

摘　　要：相变储能技术对于提升建筑节能性有显著作用。本文以癸酸-棕榈酸作为相变复合材料,以膨胀珍珠岩作为吸附材料,并以建筑石膏作为胶凝材料,制备了癸酸-棕榈酸/膨胀珍珠岩相变石膏。分别对癸酸-棕榈酸相变复合材料的相变温度和相变焓值、癸酸-棕榈酸/膨胀珍珠岩相变颗粒的热稳定性、癸酸-棕榈酸/膨胀珍珠岩相变石膏的热学性能等进行了测试,分析癸酸-棕榈酸/膨胀珍珠岩相变石膏在建筑墙体中应用的可行性。Phase change energy storage technology has a significant role in improving building energy efficiency.In this paper,capric-palmitic acid/expanded perlite phase change gypsum is prepared with capric-palmitic acid as phase change composite material,expanded perlite as encapsulation material and building gypsum as binding material.The phase change temperature and enthalpy of capric-palmitic acid phase change composite,the thermal stability of shape-stabilized capric-palmitic acid phase change particles,and the thermal properties of capric-palmitic acid/expanded perlite phase change gypsum are tested respectively,and the feasibility of the application of capric-palmitic acid/expanded perlite phase change gypsum in buildings is investigated.

关 键 词：癸酸-棕榈酸 膨胀珍珠岩 相变温度 热稳定性 

分 类 号：TU50[建筑科学—建筑技术科学]