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Preparation and Property Regulation of Crosslinked Polyurethane Solid-Solid Phase-Change Materials with Intelligent Thermoregulation at Suitable Temperature for the Human Body
- Acta Polymerica Sinica Vol. 56, Issue 2, Pages: 331-341(2025)
- 作者机构：
1.北京服装学院材料设计与工程学院 服装材料研究开发与评价北京市重点实验室 北京市纺织纳米纤维工程技术研究中心 北京 100029
2.新加坡国立大学化学学院 新加坡 117543
3.渤化易采(天津)科技发展有限公司 天津 300450
- 作者简介：
Qun Zhang, E-mail: zhangqun@bift.edu.cnJiao-na Wang, E-mail: clywjn@bift.edu.cn
Jiao-na Wang, E-mail: clywjn@bift.edu.cn
- 基金信息：
DOI：10.11777/j.issn1000-3304.2024.24209
CLC：- CSTR：32057.14.GFZXB.2024.7303
Published：20 February 2025，
Published Online：02 December 2024，
Received：30 July 2024，
Accepted：2024-10-17
- 稿件说明：
移动端阅览
XIN LI, JIE WANG, QUN ZHANG, JIAO-NA WANG, RUI WANG, XIU-QIN ZHANG, XIAO-GANG LIU. Preparation and Property Regulation of Crosslinked Polyurethane Solid-Solid Phase-Change Materials with Intelligent Thermoregulation at Suitable Temperature for the Human Body. [J]. Acta polymerica sinica, 2025, 56(2): 331-341.
XIN LI, JIE WANG, QUN ZHANG, JIAO-NA WANG, RUI WANG, XIU-QIN ZHANG, XIAO-GANG LIU. Preparation and Property Regulation of Crosslinked Polyurethane Solid-Solid Phase-Change Materials with Intelligent Thermoregulation at Suitable Temperature for the Human Body. [J]. Acta polymerica sinica, 2025, 56(2): 331-341. DOI： 10.11777/j.issn1000-3304.2024.24209. CSTR： 32057.14.GFZXB.2024.7303.
摘要
以聚乙二醇(PEG)为软段，六亚甲基二异氰酸酯为硬段，三聚氰胺为交联剂，制备出交联聚氨酯(CLPU)，研究了不同PEG分子量对其相变性能的影响. 结果表明，CLPU的焓值和相变温度随PEG分子量的改变而发生规律性变化，其中以PEG2000为原料制备的聚氨酯固固相变材料(PU-SSPCM)，相变温度(
T
m
=39.9 ℃，
T
c
=8.7 ℃)在人体舒适温度区间，焓值在56.6 J/g以上，100次热循环后其性能基本保持不变. 此外，还探讨了三聚氰胺含量对CLPU2000性能的影响，结果表明，随着三聚氰胺含量的增加，所得聚氨酯的焓值会降低，而相变温度则略有上升. 所得聚氨酯体系具有良好的相变调温功能，将其置于手心100 s后与体温仍有3.8 ℃的温差. 该材料体系在人体热管理领域具有广阔的应用前景，有望在智能调温服装、红外隐身等领域发挥重要作用.
Abstract
Cross-linked polyurethane (CLPU) was prepared using poly(ethylene glycol) (PEG) as the soft segment
hexamethylene diisocyanate as the hard segment and melamine as the cross-linking agent
and the effects of
different PEG molecular weights on phase transition properties of CLPU were investigated. The results showed that the enthalpy and phase transition temperature of CLPU changed regularly with the change of molecular weight of PEG
among which the phase transition temperature of the PU-SSPCM prepared from PEG2000 was in the range of the human body's comfortable temperature (
T
m
=39.9 ℃
T
c
=8.7 ℃)
the enthalpy was above 56.6 J/g
and the performance was basically unchanged after 100 thermal cycles. The effect of melamine content on the properties of CLPU2000 was also investigated
and it was found that the higher the melamine content
the lower the enthalpy of the resulting polyurethane and the slightly higher the phase transition temperature. The resulting polyurethane system has a good phase change thermoregulation function
and there is still a temperature difference of 3.8 ℃ between it and the body temperature after placing it in the palm of the hand for 100 s. This material system has broad application prospects in human thermal management and can be used in smart temperature-regulating clothing
infrared stealth and other fields.
关键词
交联聚氨酯固固相变材料人体适宜温度智能调温
Keywords
Cross-linked polyurethaneSolid-solid phase change materialsSuitable temperature for human bodyIntelligent temperature regulation
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