PA/SEBS复合定型相变材料制备与蓄热性能优化

唐溯; 郑子鏖; 魏翰泽; 郑春元; 李斌; 魏子清; 翟晓强

doi:10.12465/j.issn.0253-4339.2025.04.075

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PA/SEBS复合定型相变材料制备与蓄热性能优化

更新时间：2025-08-28

- PA/SEBS复合定型相变材料制备与蓄热性能优化
- Preparation and Thermal Storage Performance Optimization of PA/SEBS Composite-Shaped Phase Change Materials
- 制冷学报 2025年46卷第4期页码：75-86
- 作者机构：
  
  1.上海交通大学机械与动力工程学院　上海　200240
  2.美的楼宇科技事业部　佛山　528000
- 作者简介：
  
  翟晓强，男，教授，上海交通大学机械与动力工程学院，021-34206296，E-mail：xqzhai@sjtu.edu.cn。研究方向：可再生能源转化、蓄存及其在建筑中的高效利用，绿色建筑低碳智慧能源系统，建筑能源系统的数智化。
- 基金信息：
- DOI：10.12465/j.issn.0253-4339.2025.04.075
  中图分类号： TB332;TK02;O414.13
- 收稿日期：2024-03-19，
  
  修回日期：2024-04-18，
  
  录用日期：2024-05-14，
  
  纸质出版日期：2025-08-16
- 稿件说明：
移动端阅览
唐溯, 郑子鏖, 魏翰泽, 等. PA/SEBS复合定型相变材料制备与蓄热性能优化[J]. 制冷学报, 2025,46(4):75-86.

Tang Su, Zheng Ziao, Wei Hanze, et al. Preparation and Thermal Storage Performance Optimization of PA/SEBS Composite-Shaped Phase Change Materials[J]. Journal of refrigeration, 2025, 46(4): 75-86.
唐溯, 郑子鏖, 魏翰泽, 等. PA/SEBS复合定型相变材料制备与蓄热性能优化[J]. 制冷学报, 2025,46(4):75-86. DOI： 10.12465/j.issn.0253-4339.2025.04.075.

Tang Su, Zheng Ziao, Wei Hanze, et al. Preparation and Thermal Storage Performance Optimization of PA/SEBS Composite-Shaped Phase Change Materials[J]. Journal of refrigeration, 2025, 46(4): 75-86. DOI： 10.12465/j.issn.0253-4339.2025.04.075.

摘要

针对固-液相变复合材料因封装复合效应导致蓄热性能低的问题，基于熔融共混法制备了石蜡（PA）/氢化苯乙烯-丁二烯嵌段共聚物（SEBS）复合定型相变材料，通过调控工艺参数设计多孔网状结构，优化了材料蓄热性能。确定了SEBS封装PA的最佳质量配比为2∶8，80%PA/20%SEBS复合材料定型效果良好，质量维持率保持在99%以上。正交试验结果表明：工艺参数对材料的封装性能和蓄热性能影响显著，9组80%PA/20%SEBS样品相变焓的极差高达28 J/g。其中，熔融温度从150 ℃升至200 ℃时，相变焓值提升8%。最终确定了优化的PA/SEBS熔融共混工艺参数：共混时间为2 h、温度为200 ℃、搅拌速率为100 r/min、直接冷却至室温，该制备工艺下的复合材料相变焓值达到161.2 J/g（结晶度为99.3%）。

Abstract

To address the low thermal storage performance of solid-liquid phase change composites caused by the encapsulation composite effect

composite-shaped phase change materials based on paraffin (PA)/hydrogenated styrene-butadiene block copolymer (SEBS) were prepared using the melt-blending method. A porous mesh structure was designed to optimize the thermal storage performance of the materials through the modulation of process parameters. First

the optimal mass ratio of SEBS-encapsulated PA was determined to be 2∶8; at this ratio

the 80% PA/20% SEBS composite material was well-shaped

and the mass retention rate was maintained above 99%. Furthermore

the results of the orthogonal experiments showed that the process parameters significantly affected the encapsulation and thermal storage properties of the materials

and the extreme difference in the enthalpy of phase change of the nine groups of 80% PA/20% SEBS samples was as high as 28 J/g. Among them

the enthalpy of phase change was increased by 8% when the melting temperature was increased from 150 ℃ to 200 ℃. The results of the orthogonal experiments also showed that the phase change enthalpy of the 80% PA/20% SEBS composites increased by 8%. The optimized PA/SEBS melt blending process parameters were finally determined as: blending time of 2 h

temperature of 200 ℃

stirring rate of 100 r/min

and direct cooling to room temperature. Under this preparation process

the phase transition enthalpy of the composites reached 161.2 J/g with 99.3% crystallinity.

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references

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