Carbon Nanotube-Directed 7 GPa Heterocyclic Aramid Fiber and Its Application in Artificial Muscles

doi:10.1002/adma.202306129

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	Carbon Nanotube-Directed 7 GPa Heterocyclic Aramid Fiber and Its Application in Artificial Muscles
	Yan, Dan; Luo, Jiajun; Wang, Shijun; Han, Xiaocang; Jiao, Kun; Wu XQ(吴先前); Qian, Liu; Zhang, Xinshi; Zhao, Xiaoxu; Di, Jiangtao; Zhang, Zhong; Gao, Zhenfei; Zhang, Jin
通讯作者	Gao, Zhenfei([email protected]) ; Zhang, Jin([email protected])
发表期刊	ADVANCED MATERIALS
	2023-12-10
页码	12
ISSN	0935-9648
摘要	Poly(p-phenylene-benzimidazole-terephthalamide) (PBIA) fibers with excellent mechanical properties are widely used in fields that require impact-resistant materials such as ballistic protection and aerospace. The introduction of heterocycles in polymer chains increases their flexibility and makes it easier to optimize the fiber structure. However, the inadequate orientation of polymer chains is one of the main reasons for the large difference between the measured and theoretical mechanical properties of PBIA fibers. Herein, carbon nanotubes (CNTs) are selected as an orientation seed. Their structural features allow CNTs to orient during the spinning process, which can induce an orderly arrangement of polymers and improve the orientation of the fiber microstructure. To ensure the complete 1D topology of long CNTs (approximate to 10 mu m), PBIA is used as an efficient dispersant to overcome dispersion challenges. The p-CNT/PBIA fibers (10 mu m single-walled carbon nanotube 0.025 wt%) exhibit an increase of 22% in tensile strength and 23% in elongation, with a maximum tensile strength of 7.01 +/- 0.31 GPa and a reinforcement efficiency of 893.6. The artificial muscle fabricated using CNT/PBIA fibers exhibits a 34.8% contraction and a 25% lifting of a 2 kg dumbbell, providing a promising paradigm for high-performance organic fibers as high-load smart actuators. The damage-free single-walled carbon nanotubes (SWNTs) dispersed using poly(p-phenylene-benzimidazole-terephthalamide) (PBIA) are selected as the orientation seed to improve the fiber microstructure and the mechanical properties. The p-SWNT/PBIA fibers exhibit an increase of 22% in tensile strength and 23% in elongation, with a maximum tensile strength of 7.01 +/- 0.31 GPa and a reinforcement efficiency of 893.6.image
关键词	1D topology artificial muscles carbon nanotubes damage-free dispersion heterocyclic aramid fibers mechanical properties orientation seed
DOI	10.1002/adma.202306129
收录类别	SCI ; EI
语种	英语
WOS记录号	WOS:001118515200001
关键词[WOS]	NANOCOMPOSITE FIBERS ; COMPOSITE FIBERS ; HIGH-STRENGTH ; TENSILE PROPERTIES ; DISPERSION ; GRAPHENE ; FUNCTIONALIZATION ; KEVLAR
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目	Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
资助项目	Ministry of Science and Technology of the People's Republic of China ; National Natural Science Foundation of China[52102035] ; Strategic Priority Research Program of CAS[XDB36030100] ; Beijing National Laboratory for Molecular Sciences[BNLMS-CXTD-202001] ; Chinese Academy of Sciences ; [2016YFA0200100] ; [2018YFA0703502]
项目资助者	Ministry of Science and Technology of the People's Republic of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of CAS ; Beijing National Laboratory for Molecular Sciences ; Chinese Academy of Sciences
论文分区	一类
力学所作者排名	3+
引用统计	被引频次：16[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/93638
专题	流固耦合系统力学重点实验室
推荐引用方式 GB/T 7714	Yan, Dan,Luo, Jiajun,Wang, Shijun,et al. Carbon Nanotube-Directed 7 GPa Heterocyclic Aramid Fiber and Its Application in Artificial Muscles[J]. ADVANCED MATERIALS,2023:12.
APA	Yan, Dan.,Luo, Jiajun.,Wang, Shijun.,Han, Xiaocang.,Jiao, Kun.,...&Zhang, Jin.(2023).Carbon Nanotube-Directed 7 GPa Heterocyclic Aramid Fiber and Its Application in Artificial Muscles.ADVANCED MATERIALS,12.
MLA	Yan, Dan,et al."Carbon Nanotube-Directed 7 GPa Heterocyclic Aramid Fiber and Its Application in Artificial Muscles".ADVANCED MATERIALS (2023):12.

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