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Construction of helical nanofibers from cellulose acetate and a flexible component

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Abstract

A combination of Cellulose Acetate and an appropriate flexible polymer component was applied to construct a kind of new hierarchical nanofibers of three-dimensional helical structure with porous core. The morphology and structure of as-spun fibers were observed with the help of Optical Microscope, Field Emission Scanning Electron Microscope and Transmission Electron Microscopy. The polymer structure and intrinsic property that would affect the formation of helical structure were studied by means of differential scanning calorimetry and Fourier Transformation Infrared Spectroscopy. To explain the formation of helical structure, mechanical behavior of the polymer components in the process of the formation of helical structure was studied. Longitudinal stress difference between the components under the electric field is simulated for further verification. The obtained hierarchical structure displays an efficient oil sorption capacity and is expected to be a promising candidate for various applications, especially for sorption and filtration materials.

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Acknowledgments

This work was financially supported by the National Natural Science Foundation of China (11672073).

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Correspondence to Yongchun Zeng.

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Zhang, X., Chen, J. & Zeng, Y. Construction of helical nanofibers from cellulose acetate and a flexible component. Cellulose 26, 5187–5199 (2019). https://doi.org/10.1007/s10570-019-02478-x

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  • DOI: https://doi.org/10.1007/s10570-019-02478-x

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