同轴静电纺多级微纳米纤维膜的制备及其相变调温性能

doi:10.13475/j.fzxb.20211105406

纺织学报 ›› 2022, Vol. 43 ›› Issue (02): 69-73.doi: 10.13475/j.fzxb.20211105406

同轴静电纺多级微纳米纤维膜的制备及其相变调温性能

徐兆宝¹, 何翠¹, 赵瑾朝¹(), 黄乐平²

1.武汉纺织大学生物质纤维与生态染整湖北省重点实验室, 湖北武汉 430200
2.武汉纺织大学材料科学与工程学院, 湖北武汉 430200

收稿日期:2021-11-11 修回日期:2021-12-06 出版日期:2022-02-15 发布日期:2022-03-15
通讯作者: 赵瑾朝
作者简介:徐兆宝(1996—),男,硕士生。主要研究方向为功能纤维及纺织品设计。

Preparation of coaxially electrospun multi-level fiber membrane and its phase change temperature-regulating performance

XU Zhaobao¹, HE Cui¹, ZHAO Jinchao¹(), HUANG Leping²

1. Hubei Key Laboratory of Biomass Fibers and Eco-Dyeing & Finishing, Wuhan Textile University, Wuhan, Hubei 430200, China
2. School of Material Science and Engineering, Wuhan Textile University, Wuhan, Hubei 430200, China

Received:2021-11-11 Revised:2021-12-06 Published:2022-02-15 Online:2022-03-15
Contact: ZHAO Jinchao

摘要/Abstract

摘要：

为开发适宜人体温度的相变调温纺织品,采用同轴静电纺丝的方法将聚乙二醇(PEG)作为芯层封装在氮化硼(BN)增强的聚丙烯腈(PAN)壳层中,制备出氮化硼/聚丙烯腈/聚乙二醇(BN/PAN/PEG)复合相变纤维。研究了相变材料配比及BN浓度对纺丝膜形貌、热性能的影响,并对纤维膜进行热成像分析、热重分析表。结果表明:PEG1500与PEG1000-2在量比为6∶1时,复合相变材料的相变温度为36.4 ℃,满足人体温度舒适度要求;BN的质量分数为9%时,复合相变材料的热导响应性和储热效果最好。

关键词: 同轴静电纺丝, 微纳米纤维膜, 核壳结构, 相变材料, 氮化硼, 相变调温纺织品, 聚丙烯腈

Abstract:

In order to further develop phase change thermoregulated textiles that fit the human body temperature, the boron nitride/polyethylene glycol (BN/PAN/PEG) composite phase change fibers were prepared by encapsulating polyethylene glycol (PEG) as the core layer in a boron nitride (BN) reinforced polyacrylonitrile (PAN) shell layer through coaxial electrostatic spinning. The effects of phase change material ratios and BN concentration on the morphology and thermal properties of the spun films were investigated. The spun membranes were characterized by thermal imaging analysis and thermogravimetric analysis. The results show that the phase change temperature of the composite phase change material is 36.4 ℃ to meet the requirement of human temperature comfort when the molar fraction ratio of PEG1500 to PEG1000-2 is 6 to 1. The best thermal conductivity responsiveness and thermal storage of the spun membranes were obtained when the BN concentration was 9%.

Key words: coaxial electrostatic spinning, micro-nanofiber membrane, nuclear-shell structure, phase-change material, boron nitride, phase change temperatue-regulating textile, polyacrylonitrile

中图分类号:

TS102

徐兆宝, 何翠, 赵瑾朝, 黄乐平. 同轴静电纺多级微纳米纤维膜的制备及其相变调温性能[J]. 纺织学报, 2022, 43(02): 69-73.

XU Zhaobao, HE Cui, ZHAO Jinchao, HUANG Leping. Preparation of coaxially electrospun multi-level fiber membrane and its phase change temperature-regulating performance[J]. Journal of Textile Research, 2022, 43(02): 69-73.

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试样	T_m/℃		ΔH_m/ (J·g^-1)	T_c/℃		ΔH_c/ (J·g^-1)
试样	T_mo	T_mp	ΔH_m/ (J·g^-1)	T_ca	T_cb	ΔH_c/ (J·g^-1)
PAN/PEG	33.3	43.8	92.7	22.1	28.8	-87.9
1%BN/PAN/PEG	33.2	42.5	88.2	22.8	28.4	-85.4
3%BN/PAN/PEG	33.1	42.5	81.5	22.8	29.1	-75.8
5%BN/PAN/PEG	33.0	40.7	22.8	23.7	27.1	-21.4
7%BN/PAN/PEG	33.0	41.7	39.7	25.8	30.0	-37.1
9%BN/PAN/PEG	33.0	41.7	52.3	25.1	29.2	-48.4

同轴静电纺多级微纳米纤维膜的制备及其相变调温性能

Preparation of coaxially electrospun multi-level fiber membrane and its phase change temperature-regulating performance

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