Preparation and Properties of Thermoregulated Seaweed Fibers Based on Magnetic Paraffin wax@calcium Carbonate Microcapsules

被引:0
|
作者
Li, Yonggui [1 ,2 ]
Xu, Congzhu [2 ,3 ]
Lin, Yuanxin [1 ]
Song, Xiaolei [1 ,2 ]
Sun, Runjun [3 ]
Wang, Qiang [1 ]
Feng, Xinqun [4 ]
机构
[1] Minjiang Univ, Fac Clothing & Design, Fuzhou 350108, Peoples R China
[2] Minjiang Univ, Fujian Key Lab Novel Funct Text Fibers & Mat, Fuzhou 350108, Peoples R China
[3] Xian Polytech Univ, Coll Text Sci & Engn, Xian 710048, Peoples R China
[4] Donghua Univ, Coll Fash & Design, Shanghai 201620, Peoples R China
基金
美国国家科学基金会;
关键词
magnetic paraffin wax@calcium carbonate microcapsules; phase change materials; wet spinning; thermoregulation; seaweed fibers; PHASE-CHANGE MATERIALS;
D O I
10.3390/ma17194826
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
In order to enhance the application of thermoregulated materials, magnetic phase change microcapsules were prepared using a self-assembly method. Paraffin wax was chosen for its fine thermoregulation properties as the core material, while Fe3O4 nanoparticles doped in calcium carbonate served as the hybrid shell material. The microcapsules were then blended with sodium alginate and processed into seaweed fibers through wet spinning. The microstructure, thermal, and magnetic properties of the microcapsules were analyzed using scanning electron microscopy, energy dispersive X-ray spectroscopy, a laser particle size analyzer, an X-ray diffractometer, a differential scanning calorimeter, a thermogravimetric analyzer, and a vibrating sample magnetometer. The thermoregulation of the fibers was evaluated using a thermal infrared imager. The results indicated that the microcapsules had a uniform size distribution and good thermal properties. When the mass fraction of Fe3O4 nanoparticles was 8%, the microcapsules exhibited a saturation magnetization of 2.44 emu/g and an enthalpy value of 94.25 J/g, indicating effective phase change and magnetic properties. Furthermore, the thermoregulated seaweed fibers showed a high enthalpy value of 19.8 J/g with fine shape, offering potential for developing multifunctional fiber products.
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页数:10
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