中国塑料 ›› 2008, Vol. 22 ›› Issue (04): 25-27 .DOI: 10.19491/j.issn.1001-9278.2008.04.005

• 材料与性能 • 上一篇    下一篇

聚烯烃/石蜡复合相变储能材料的研究

王澜,李鑫,赵子,叶志殷   

  1. 北京工商大学高分子材料与工程系,北京100037
  • 收稿日期:2007-11-14 修回日期:1900-01-01 出版日期:2008-04-26 发布日期:2008-04-26

Study on Polyolefin/Paraffin Phase Change Energy Storage Composites

WANG Lan,LI Xin,ZHAO Zi,YE Zhi-yin   

  1. Department of Material Science and Engineering, Beijing Technology and Business University, Beijing 100037, China
  • Received:2007-11-14 Revised:1900-01-01 Online:2008-04-26 Published:2008-04-26
  • Contact: WANG Lan

摘要: 分别以低密度聚乙烯(PE-LD)、高密度聚乙烯(PE-HD) .聚丙烯(PP).聚苯乙烯(PS)为支撑材料、石蜡为相变材料,采用加热熔融法制备聚烯烃石蜡复合相变储能材料。考察了不同种类的聚烯烃材料对复合材料储能的影响,通过DSC测出PE-LD/石蜡、PE-HD/石蜡、PP/石蜡、PS/石蜡复合相变材料的相变烩分别为68.44J/g、45.52J/g、40.06J/g、1.19J/g。结果表明,PE-LD是其中最好的基体材料,具有最大的相变烩。随着石蜡含量的增加,PE-LD/石蜡复合材料的相变烩逐渐增大。此外,硅藻土和活性炭填料的加人有利于提高相变烩,增强复合材料的稳定性。

关键词: 低密度聚乙烯, 石蜡, 储能, 相变材料

Abstract: Phase change energy storage composites were prepared using paraffin as the phase change material, High-density polyethylene ( PE-LD,high-density polyethylene (PE-HD),polypropylene ( PP,and polystyrene(PS) as the supporting materials. }Che phase transition enthalpy of 68.44,45.52,40 .06,and 1 .19J/g were observed for PE-LD,PE-HD,PP, and PS matrixes, respectively. PE-LD was considered the best phase change matrix because of the highest phase transition enthalpy, which increased with increasing paraffin content. Diatomite and activated carbon could also improve the phase transition enthalpy and stability of phase change materials.

Key words: low-density polyethylene, paraffin, energy storage, phase change material