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Issue 44, 2019
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Temperature-controlled formation of inverse mesophases assembled from a rod–coil block copolymer

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Abstract

Inverse mesophases with ordered structures self-assembled by block copolymers (BCPs) are of great use in nanomaterials. However, it was still not easy to fabricate these ordered inverse nanostructures until recently. Herein, the self-assembling temperature is controlled to regulate the formation of inverse nanostructures, including spongy structures, Pn[3 with combining macron]m polymer cubosomes, and p6mm polymer hexasomes, from a rod–coil BCP for the first time. By changing the self-assembling temperature, these inverse nanostructures can be obtained controllably in a small volume fraction window. Then, a porous silica cubosome was also prepared using the polymer cubosome as a hard template. Small-angle X-ray scattering and scanning electron microscopy results confirmed that the ordered bicontinuous structure with Pn[3 with combining macron]m symmetry was perfectly transferred to the inorganic silica cubosome. These results not only provide more details about the reason for the formation of inverse nanostructures, but also provide a facile route to prepare network-like nanomaterials.

Graphical abstract: Temperature-controlled formation of inverse mesophases assembled from a rod–coil block copolymer

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Publication details

The article was received on 20 Aug 2019, accepted on 19 Oct 2019 and first published on 21 Oct 2019


Article type: Paper
DOI: 10.1039/C9PY01257E
Polym. Chem., 2019,10, 6031-6036

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    Temperature-controlled formation of inverse mesophases assembled from a rod–coil block copolymer

    X. Lyu, Z. Tang, A. Xiao, W. Zhang, H. Pan, Z. Shen and X. Fan, Polym. Chem., 2019, 10, 6031
    DOI: 10.1039/C9PY01257E

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