相变储能石膏板制备和性能的研究.pdfVIP

学兔兔 全国中文核心期刊 钎 建巍 中国科技核心期刊 相变储链石青瓶制备和性稚硇研究 曾令可t，王慧 ，程小苏 ，刘平安 ，高富强 ，朱圆圆 (1．华南理工大学，广东广卅I 510640； 2．广州市能源监测研究院，广东广州 510170) 摘要：采用十酸和十二酸作为相变材料，与二氧化硅复合制备相变蓄热复合材料。选取石膏板为基体，并采用直接加入法制备 相变储能石膏板。测试结果表明，随着相变蓄热复合材料掺量的增加，相变石膏板的抗压强度逐渐降低；当相变蓄热复合材料掺量为 15％时，相变石膏板的抗压强度为1．25 MPa；对其进行DSC分析，其相变温度为2O．27 ，相变焓为9．52 J／g，具有合适的相变温度和 较好的储热性能。 关键词：相变材料；相变复合材料；相变石膏板；储热性能 中图分类号：TQ177．3+78 文献标识码：A 文章编号：1001—702X(2012)12—0027—03 Research on the preparation and properties of phase change thermal storage plasterboard ZENG Lingke ，WANG Hui ，CHENG Xiaosu ，LIU Pingan ，GA0 Fuqian~，ZHU Yuanyuan (1．South China University of Technology，Guangzhou 510640，Guangdong，China； 2．Guangzhou Institute of Energy Testing，Guangzhou 510170·Guangdong，China) Abstract：C 2 and Cl2HM02 mixed with SiO2 to prepare PCM／SiO2 phase change thermal storage composite materia1． Plasterboard was chosen as baSic carrier，and directly-entrance—method was adopted to prepare phase change plasterboard．The test results showed that Compressive strength would decrease with increased phase change composite materia1．When the content Was 15％，the compressive strength of phase change plasterboard was 1．25 MPa．ThrouIgh DSC analysis，we found that its phase change temperature WaS 20．27℃，and phase change enthalpy was 9．52 Jig，it had a proper phase change temperature and good thermal storage property． Key words：phaSe change material；phase change composite material：phase change plasterboard；thermal storage property 相变储能材料(Phase Change Material，简称PCM)作为 放储存的热量起到保温作用的一