Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22080
Title: Study of the thermal properties of shape memory polyurethane nanofibrous nonwoven
Authors: Zhuo, H
Hu, J 
Chen, S
Issue Date: 2011
Publisher: Springer
Source: Journal of materials science, 2011, v. 46, no. 10, p. 3464-3469 How to cite?
Journal: Journal of materials science 
Abstract: Thermal properties of polymer are very important to the understanding of morphology and shape memory effect of shape memory polymers (SMPs). In this article, the thermal properties of shape memory polyurethane nanofibrous nonwoven are investigated systematically from the morphology of nanofibers, crystalline structure, isothermal crystallization behavior, and thermal-dependent strain recovery. The results indicate that the thermal properties of shape memory polyurethane nanofibrous nonwoven are influenced greatly by the electro-spinning and the recrystalline condition. The crystal melting temperature (T m) decreases as the crystallization temperature (T c) decreases, while the relative degree of crystallinity (X c) increases with the decrease of T c within the temperature range of 20 to -30 ?XC. In particular, when the annealing temperature is higher than 150 ?XC, the T m shifts to higher value and the X c decreases significantly with the increase of
URI: http://hdl.handle.net/10397/22080
ISSN: 0022-2461
EISSN: 1573-4803
DOI: 10.1007/s10853-011-5251-z
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