Thermochromic Core-Shell Nanofibers Fabricated by Melt Coaxial Electrospinning

被引:55
作者
Li, Fengyu [1 ]
Zhao, Yong [1 ]
Wang, Sen [1 ,2 ]
Han, Dong [3 ]
Jiang, Lei [1 ]
Song, Yanlin [1 ]
机构
[1] Chinese Acad Sci, Key Lab Organ Solids, Inst Chem, Beijing 100910, Peoples R China
[2] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
[3] Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China
关键词
core-shell polymers; fibers; nanotechnology; phase behavior; thermal properties; PHASE-CHANGE; HEAT-TRANSFER; FIBERS; ENCAPSULATION; LIQUID; POLYMERS; STIMULI; SENSORS; SYSTEMS; STORAGE;
D O I
10.1002/app.29384
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Microcapsule/nanocapsule and encapsulation techniques have great potential for devices Of functional materials. Also, electrospinning has attracted great attention for the fabrication Of microstructures and nanostructures. The fluidity after melting limits the application of phase-transformation thermochromic materials. In this study, with the melt coaxial electrospinning technique, a phase-transformation thermochromic material was encapsulated in poly(methyl methacrylate) nanofibers. A device of this phase-transformation thermochromic material was realized. With a poly(methyl methacrylate) shell with good optical transmission and a thermoresponsive core made of crystal violet lactone, bisphenol A, and 1-tetradecanol core, the fibers had good thermal energy management, fluorescent thermochromism, and reversibility. The fabrication of thermochromic core-shell nanofibers has further potential in the preparation of temperature sensors with good fluorescence signals and body-temperature calefactive materials with intelligent thermal energy absorption, retention, and release. (c) 2008 Wiley Periodicals, Inc. J Appl Polym Sci 412: 269-274, 2009
引用
收藏
页码:269 / 274
页数:6
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