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Issue 10, 2016
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Nonsolvent-assisted fabrication of multi-scaled polylactide as superhydrophobic surfaces

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Abstract

The solution-processing fabrication of superhydrophobic surfaces is currently intriguing, owing to high-efficiency, low cost, and energy-consuming. Here, a facile nonsolvent-assisted process was proposed for the fabrication of the multi-scaled surface roughness in polylactide (PLA) films, thereby resulting in a significant transformation in the surface wettability from intrinsic hydrophilicity to superhydrophobicity. Moreover, it was found that the surface topographical structure of PLA films can be manipulated by varying the compositions of the PLA solutions. And the samples showed superhydrophobic surfaces as well as high melting enthalpy and crystallinity. In particular, a high contact angle of 155.8° together with a high adhesive force of 184 μN was yielded with the assistance of a multi-nonsolvent system, which contributed to the co-existence of micro-/nano-scale hierarchical structures.

Graphical abstract: Nonsolvent-assisted fabrication of multi-scaled polylactide as superhydrophobic surfaces

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Publication details

The article was received on 12 Jan 2016, accepted on 24 Jan 2016 and first published on 25 Jan 2016


Article type: Paper
DOI: 10.1039/C6SM00079G
Soft Matter, 2016,12, 2766-2772

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    Nonsolvent-assisted fabrication of multi-scaled polylactide as superhydrophobic surfaces

    Y. Chang, X. Liu, H. Yang, L. Zhang, Z. Cui, M. Niu, H. Liu and J. Chen, Soft Matter, 2016, 12, 2766
    DOI: 10.1039/C6SM00079G

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