Journal ArticleDOI
Rigid-rod polymeric fibers
Han Gi Chae,Satish Kumar +1 more
TLDR
In this article, the historical development of high temperature resistant rigid-rod polymers has been discussed, including the applications of poly(p-phenylene benzobisoxazole) (PBO) fibers.Abstract:
This paper traces the historical development of high temperature resistant rigid-rod polymers. Synthesis, fiber processing, structure, properties, and applications of poly(p-phenylene benzobisoxazole) (PBO) fibers have been discussed. After nearly 20 years of development in the United States and Japan, PBO fiber was commercialized with the trade name Zylon® in 1998. Properties of this fiber have been compared with the properties of poly(ethylene terephthalate) (PET), thermotropic polyester (Vectran®), extended chain polyethylene (Spectra®), p-aramid (Kevlar®), m-aramid (Nomex®), aramid copolymer (Technora®), polyimide (PBI), steel, and the experimental high compressive strength rigid-rod polymeric fiber (PIPD, M5). PBO is currently the highest tensile modulus, highest tensile strength, and most thermally stable commercial polymeric fiber. However, PBO has low axial compressive strength and poor resistance to ultraviolet and visible radiation. The fiber also looses tensile strength in hot and humid environment. In the coming decades, further improvements in tensile strength (10–20 GPa range), compressive strength, and radiation resistance are expected in polymeric fibers. Incorporation of carbon nanotubes is expected to result in the development of next generation high performance polymeric fibers. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 100: 791–802, 2006read more
Citations
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Journal ArticleDOI
Dispersions of Aramid Nanofibers: A New Nanoscale Building Block
Ming Yang,Keqin Cao,Lang Sui,Ying Qi,Jian Zhu,Anthony M. Waas,Ellen M. Arruda,John Kieffer,M.D. Thouless,Nicholas A. Kotov +9 more
TL;DR: Stable dispersions of uniform high-aspect-ratio aramid nanofibers (ANFs) with diameters between 3 and 30 nm and up to 10 μm in length were successfully obtained and revealed distinct morphological features similar to carbon nanotubes.
Journal ArticleDOI
Polymer/Carbon Nanotube Nano Composite Fibers–A Review
Yaodong Liu,Satish Kumar +1 more
TL;DR: This paper will be helpful to better understand the current status of polymer/CNT fibers, especially high-performance fibers, and to find the most suitable processing techniques and conditions.
Journal ArticleDOI
Making Strong Fibers
Han Gi Chae,Satish Kumar +1 more
TL;DR: Research toward carbon nanotube fibers that are light yet extremely strong is progressing rapidly, and efforts are being made to improve the quality and strength of these fibers.
Journal ArticleDOI
Carbon nanotube bundles with tensile strength over 80 GPa
Yunxiang Bai,Rufan Zhang,Xuan Ye,Zhenxing Zhu,Huanhuan Xie,Boyuan Shen,Dali Cai,Bofei Liu,Chenxi Zhang,Zhao Jia,Shenli Zhang,Xide Li,Fei Wei +12 more
TL;DR: The fabricated CNTBs, consisting of a large number of components with parallel alignment, defect-free structures, continuous lengths and uniform initial strains, exhibit a tensile strength of 80 GPa, which is far higher than that of any other strong fibre.
Journal ArticleDOI
Nanotubes as polymers
TL;DR: In this paper, the authors show that the structure and behavior of single-walled nanotubes (SWNTs) are essentially polymeric; in fact, many have referred to SWNTs as the ultimate polymer.
References
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Journal ArticleDOI
Crystallization and orientation studies in polypropylene/single wall carbon nanotube composite
Arup R. Bhattacharyya,T. V. Sreekumar,Tao Liu,Satish Kumar,Lars M. Ericson,Robert H. Hauge,Richard E. Smalley +6 more
TL;DR: In this article, the behavior of melt-blended polypropylene (PP)/single wall carbon nanotube (SWNT) composites has been studied using optical microscopy and differential scanning calorimetry.
Journal ArticleDOI
Ultra-high-strength polyethylene filaments by solution spinning/drawing
Paul Smith,PJ Piet Lemstra +1 more
TL;DR: In this paper, the influence of the draw ratio on the mechanical and thermal properties of polyethylene fibres was investigated, and it was found that the tensile strength tended to approach an upper limit at high draw ratios.
Journal ArticleDOI
Synthesis, Structure, and Properties of PBO/SWNT Composites &
Satish Kumar,Thuy D. Dang,Fred E. Arnold,Arup R. Bhattacharyya,Byung G. Min,Xiefei Zhang,Richard A. Vaia,Cheol Park,W. Wade Adams,Robert H. Hauge,Richard E. Smalley,Sivarajan Ramesh,Peter Willis +12 more
TL;DR: In this article, a poly(p-phenylene benzobisoxazole) (PBO) has been synthesized in the presence of single-wall carbon nanotubes (SWNTs) in poly(phosphoric acid) using typical PBO polymerization conditions.
Journal ArticleDOI
Rigid-rod polymers. 2. Synthesis and thermal properties of para-aromatic polymers with 2,6-benzobisthiazole units in the main chain
Journal ArticleDOI
Fibers from polypropylene/nano carbon fiber composites
TL;DR: In this article, the nano carbon fibers exhibited good dispersion in the polypropylene matrix as observed by scanning electron microscopy, and at 5 wt% nano carbon fiber loading, modulus and compressive strength increased by 50 and 100%, respectively.