PDMS包封CPCM制备三明治结构织物及热性能分析

doi:10.11896/cldb.23050176

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Abstract In order to solve the problem of phase leakage in the use of octadecane, the composite phase change material (CPCM) with shape stability was prepared by vacuum impregnation and thermosetting treatment with bacterial cellulose membrane as support carrier and polydimethylsiloxane (PDMS) as encapsulation material. The impregnation rate of octadecane was as high as 84.9% with the latent heat energy of 212.70 J/g, and it could withstand 100 thermal cycle tests. After 180 bending, the recovery angle was 156.4°, which was 131.7% higher than that before encapsulation. Sandwich structured fabric (ss-F) was produced with CPCM as the inner layer and polyester-cotton blended fabric as the outer layer through PDMS bonding and curing process. After the saturation of heat absorption, the surface temperature of ss-F was 310 s cooler than that of ordinary fabric with delay. In the sunshine model and human thermal management test, the internal temperature of the space covered by it is 0.9 ℃ lower than that covered by ordinary fabric, which showed excellent thermal storage and insulation performance.

Key words： bacterial cellulose membrane octadecane flexible composite phase change material sandwich structured fabric high latent heat

Published: 10 October 2024 Online: 2024-10-23

CLC number:	TB34
	TS195.597

Fund:Hebei Province Natural Science Foundation (B2022208014) and Hebei Province Provincial Universities Basic Scientific Research Business Expenses Special Funds (2021YWF17).

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	ZHANG Wei
	ZHANG Yibo
	ZHANG Qi
	YAO Jiming
	HAO Shang

Cite this article:

ZHANG Wei,ZHANG Yibo,ZHANG Qi, et al. Fabrication of Sandwich Structured Fabric with PDMS Encapsulated CPCM and Its Thermal Performance Analysis[J]. Materials Reports, 2024, 38(19): 23050176-5.

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http://www.mater-rep.com/EN/10.11896/cldb.23050176 OR http://www.mater-rep.com/EN/Y2024/V38/I19/23050176

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