EXPERIMENTAL RESEARCH ON PARAFFIN-BASED COMPOSITE PHASE CHANGE ENERGY STORAGE AND THERMAL INSULATION GYPSUM BOARDS

被引：0

作者：

Zhou, Ying ^{[1
]}

Guan, Jian ^{[1
]}

Zhou, Rulong ^{[1
]}

Cui, Kai ^{[1
]}

Zhang, Xuemin ^{[1
]}

机构：

[1] Heze Univ, Coll Urban Construct, Heze, Shandong, Peoples R China

来源：

UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES B-CHEMISTRY AND MATERIALS SCIENCE | 2022年 / 84卷 / 02期

关键词：

Paraffin; Expanded graphite; Phase change gypsum board; Thermal insulation; Heat storage and release; BUILDINGS;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Using paraffin as phase change material (PCM) and expanded graphite as carrier material, paraffin/expanded graphite composite shaped phase change material (cs-PCM) was fabricated by melt blending technique. Phase change gypsum board (PC-GB) was prepared from cs-PCM, building gypsum, fiber, water reducing agent, waterproof agent and retarder according to the calculated mixing ratio at phase change temperature 25.2 degrees C and latent heat 25.1 J/g, which was suitable for internal temperature adjustment in buildings. Thermal performance test results of PC-GB showed that the heat preservation and insulation effects of PC-GB were 60% and 92.3%, respectively, which were higher than those of ordinary gypsum board (GB) and indoor comfortable temperature range from 25 degrees C to 16 degrees C after using PC-GB remained 275% longer than that for GB. The thermal insulation as well as heat storage and release effects of PC-GB were remarkable.

引用

页码：141 / 154

页数：14

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