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Polymer Bulletin
Erschienen in: Polymer Bulletin 5/2017

25.08.2016 | Original Paper

Enhanced thermal and mechanical properties of liquid crystalline-grafted graphene oxide-filled epoxy composites

verfasst von: Laifu Song, Shaorong Lu, Xiane Xiao, Bo Qi, Zihai He, Xu Xu, Baolin Rao, Jinhong Yu

Erschienen in: Polymer Bulletin | Ausgabe 5/2017

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Abstract

Epoxy composites with biphenyl liquid crystalline polyester (BLCP)-grafted graphene oxides (GO) as inclusions were prepared successfully. The thermal and texture analyses of BLCP were characterized by DSC and POM. The results show that the texture structure of BLCP turned into fan texture from woven texture with increasing temperature and present double texture structure. More importantly, the thermal and mechanical properties of epoxy composites could be improved by incorporating BLCP-grafted GO (BLCP-GO). The epoxy composite with only 0.5 wt% BLCP-GO produced an increase in the initial decomposition temperature (T d) by 28 °C and glass transition temperature (T g) by 17.2 °C when compared with the neat epoxy. Moreover, for the mechanical properties tests, the composites with 1.0 wt% BLCP-GO exhibit an increase in impact strength, tensile strength, flexural strength and flexural modulus by 103, 52, 66, and 56 %, respectively, compared with the neat epoxy resin. These excellent performances of the graphene–epoxy composites have a great potential for applications in aerospace and other electrical devices.
Vorheriger Artikel Characterization of a triblock copolymer, poly(ethylene glycol)-polylactide-poly(ethylene glycol), with different structures for anticancer drug delivery applications
Nächster Artikel Thermal and corrosion resistance properties of unsaturated polyester/clay nanocomposites and the effect of electron beam irradiation

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Metadaten
Titel
Enhanced thermal and mechanical properties of liquid crystalline-grafted graphene oxide-filled epoxy composites
verfasst von
Laifu Song
Shaorong Lu
Xiane Xiao
Bo Qi
Zihai He
Xu Xu
Baolin Rao
Jinhong Yu
Publikationsdatum
25.08.2016
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 5/2017
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-016-1792-2

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