CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Tough protein-carbon nanotube hybrid fibers comparable to natural spider silks
Fang, GQ; Zheng, ZK; Yao, JR; Chen, M; Tang, YZ; Zhong, JJ; Qi, ZM; Li, Z; Shao, ZZ; Chen, X
2015
Source PublicationJOURNAL OF MATERIALS CHEMISTRY B
Volume3Issue:19Pages:3940—3947
Subtype期刊文献
AbstractAnimal silks, especially spider dragline silks, have an excellent portfolio of mechanical properties, but it is still a challenge to obtain artificial silk fibers with similar properties to the natural ones. In this paper, we show how to extrude tough regenerated silk fibers by adding a small amount of commercially available functionalized multiwalled carbon nanotubes (less than 1%) through an environmentally friendly wet-spinning process reported by this laboratory previously. Most of the resulting regenerated silk fibers exhibited a breaking energy beyond 130 MJ m(-3), which is comparable to spider dragline silks (similar to 160 MJ m(-3)). The best of these fibers in terms of performance show a breaking stress of 0.42 GPa, breaking strain of 59%, and breaking energy of 186 MJ m(-3). In addition, we used several advanced characterization techniques, such as synchrotron radiation FTIR microspectroscopy and synchrotron radiation X-ray diffraction, to reveal the toughening mechanism in such a protein-inorganic hybrid system. We believe our attempt to produce such tough protein-based hybrid fibers by using cheap, abundant and sustainable regenerated silkworm protein and commercially available functionalized carbon nanotubes, with simplified industrial wet-spinning apparatus, may open up a practical way for the industrial production of super-tough fiber materials.
KeywordBombyx-mori-silk Synchrotron Ftir Microspectroscopy Raman-spectroscopy Structural-characterization Mechanical-properties Aqueous-solutions Composite Fibers Fibroin Solution Artificial Silk Single
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24610
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Fang, GQ,Zheng, ZK,Yao, JR,et al. Tough protein-carbon nanotube hybrid fibers comparable to natural spider silks[J]. JOURNAL OF MATERIALS CHEMISTRY B,2015,3(19):3940—3947.
APA Fang, GQ.,Zheng, ZK.,Yao, JR.,Chen, M.,Tang, YZ.,...&Chen, X.(2015).Tough protein-carbon nanotube hybrid fibers comparable to natural spider silks.JOURNAL OF MATERIALS CHEMISTRY B,3(19),3940—3947.
MLA Fang, GQ,et al."Tough protein-carbon nanotube hybrid fibers comparable to natural spider silks".JOURNAL OF MATERIALS CHEMISTRY B 3.19(2015):3940—3947.
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