ICCAS OpenIR
Microfiber SMPU film affords quicker shape recovery than the bulk one
Zhang, Jing-Nan1,2; Ma, Yong-Mei2; Zhang, Jing-Jing2; Xu, Dan3; Yang, Qing-Lin1; Guan, Jian-Guo3; Cao, Xin-Yu2; Jiang, Lei1,2
2011-12-01
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume65Issue:23-24Pages:3639-3642
AbstractComparing to the bulk SMPU (shape memory polyurethane) film, microfiber SMPU film afforded much quicker and sharper shape recovery when heated in water bath. The shape recovery of the microfiber film only took -1/4 time of that needed for the bulk film from R(r) (shape recovery ratio) = 10% to R(r) = 90%. The final R(r) and R(f) (shape fix ratio) of the microfiber film was also enhanced. The microfiber film was fabricated by electrospinning with the fiber diameter of 200 nm to 1 mu m. DSC and DMA results indicate that the formation of microfiber has very limited effect on the T(trans) (switching temperature) of the SMPU. The quick shape recovery of the microfiber SMPU film is considered due to the higher surface area of microfiber film that is favorable for quicker heating/cooling of the sample and quicker diffusion of water. This study offers a possible way to improve the shape recovery speed without changing the chemical composition, which may meet special needs for sensors or actuators of biomedical devices and others. (C) 2011 Elsevier B.V. All rights reserved.
KeywordElectrospinning Microstructure Shape Memory Polyurethane Shape Recovery Speed Thin Films
DOI10.1016/j.matlet.2011.06.083
Indexed BySCI
Language英语
WOS IDWOS:000296075900085
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/73798
Collection中国科学院化学研究所
Corresponding AuthorYang, Qing-Lin
Affiliation1.Beijing Univ Aeronaut & Astronaut, Sch Chem & Environm, Beijing 100191, Peoples R China
2.Chinese Acad Sci, Beijing Natl Lab Mol Sci, New Mat Lab, Inst Chem, Beijing 100190, Peoples R China
3.Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, Wuhan 430070, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Jing-Nan,Ma, Yong-Mei,Zhang, Jing-Jing,et al. Microfiber SMPU film affords quicker shape recovery than the bulk one[J]. MATERIALS LETTERS,2011,65(23-24):3639-3642.
APA Zhang, Jing-Nan.,Ma, Yong-Mei.,Zhang, Jing-Jing.,Xu, Dan.,Yang, Qing-Lin.,...&Jiang, Lei.(2011).Microfiber SMPU film affords quicker shape recovery than the bulk one.MATERIALS LETTERS,65(23-24),3639-3642.
MLA Zhang, Jing-Nan,et al."Microfiber SMPU film affords quicker shape recovery than the bulk one".MATERIALS LETTERS 65.23-24(2011):3639-3642.
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