Issue 80, 2016

Enhancing mechanical performance of epoxy thermosets via designing a block copolymer to self-organize into “core–shell” nanostructure

Abstract

A rigid-flexible amphiphilic pentablock copolymer, polystyrene-block-poly(ε-caprolactone)-block-polydimethylsiloxane-block-poly(ε-caprolactone)-block-polystyrene (PS-PCL-PDMS-PCL-PS, SLDLS), was designed. SLDLS block copolymers will self-organize into “core–shell” nanostructures in epoxy thermosets, with rigid PS as the “shell” and flexible PDMS as the “core”. Due to the incorporation of the “core–shell” nanostructures, the tensile strength and toughness of the epoxy composites were simultaneously improved and the storage modulus maintained. It is believed that designing specific structures in epoxy resins through self-organization could provide new methods for the preparation of advanced functional epoxy composites.

Graphical abstract: Enhancing mechanical performance of epoxy thermosets via designing a block copolymer to self-organize into “core–shell” nanostructure

Article information

Article type
Paper
Submitted
13 6 2016
Accepted
01 8 2016
First published
09 8 2016

RSC Adv., 2016,6, 77030-77036

Enhancing mechanical performance of epoxy thermosets via designing a block copolymer to self-organize into “core–shell” nanostructure

Z. Heng, Z. Zeng, B. Zhang, Y. Luo, J. Luo, Y. Chen, H. Zou and M. Liang, RSC Adv., 2016, 6, 77030 DOI: 10.1039/C6RA15283J

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