Structural characteristics and physical properties of lotus fibers obtained from Nelumbo nucifera petioles

Pan, Ying; Han, Guangting; Mao, Zhiping; Zhang, Yuanming; Hongtao, Duan; Huang, Jiancheng; Qu, Lijun

doi:10.1016/j.carbpol.2011.02.013

Cited by 47 publications

(29 citation statements)

References 28 publications

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“…The corresponding tensile stress–strain curves are shown in Figure S4 and the mechanical properties are shown in Table S1. The twisted single LF bundle displayed a tensile strength of 427.7±17.5 MPa, a Young’s modulus of 10.9±1.7 GPa, and a toughness of 13.7±7.1 MJ m −3 ; these values are superior to those of materials that were previously prepared without twisting 15a. However, for the twisted double LF bundles, the tensile strength decreased to 381.5±50.3 MPa.…”

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confidence: 83%

Bioinspired Green Composite Lotus Fibers

Hua

Cheng

et al. 2014

Angewandte Chemie

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Owing to the growing global environmental problems, demands for environmentally friendly, fully biodegradable sustainable composites have substantially increased across various industries. Inspired by the composite structure of cocoon silk, we fabricated a fully green composite fiber (GCF) that is based on the lotus fiber (LF) and a biodegradable polymer, namely poly(vinyl alcohol) (PVA). After the formation of cross-linkages between the LF and PVA, the mechanical properties of this bioinspired GCF had substantially improved. In particular, the specific mechanical properties are superior to those of cocoon silk and other natural fibers. These findings suggest that LFs may be used as reinforcement materials for the fabrication of bulk green materials for various industries, such as the textile, medical, automobile, and aerospace industries.

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confidence: 83%

Bioinspired Green Composite Lotus Fibers

Hua

Cheng

et al. 2014

Angewandte Chemie

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“…As the collection of ornamental, edible, and medicinal values, lotus is a kind of special crop with unique research value. Almost all parts of lotus, i.e., leaves, flowers, seeds, and rhizomes can be used for both edible and medical purposes [34].…”

Section: Lotus Fibermentioning

confidence: 99%

“…It takes approximately 15 women making thread to keep one weaver busy. A small neck scarf requires about 4000 lotus stems, a large scarf requires about 40,000 stems, and a full set of monk's robes (30 m) requires about 220,000 lotus stems and 60 weavers to complete over a 10-day period [34,36].…”

Section: Production Of Lotus Fiber Yarnmentioning

confidence: 99%

“…The cambodian lotus fabric is then dyed either with chemical or natural dyes to a reddish-brown shade before being cut into patches of different sizes and machine sewn together in rows to resemble the mosaic-like appearance of community-owned rice fields prevalent at the time of Buddha. Figure 12 shows the handweaving, dyeing, and the resultant luxurious lotus fiber fabric [34][35][36][37].…”

Section: Weaving Of Lotus Fabricmentioning

confidence: 99%

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Sustainable Luxury Natural Fibers—Production, Properties, and Prospects

Karthik

Rathinamoorthy

Ganesan

2015

Handbook of Sustainable Luxury Textiles and Fashion

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Increasingly, the world is realizing that better use must be made of precious natural resources. Today, with the enrichment of people's awareness on environment problems and the demand of environment-friendly fabric, natural fibers have received a great deal of attention due to their great importance of "green" and health protection properties and have been widely used in many fields, such as textile industry and daily life. Traditional resource of four natural fibers, cotton, wool, silk, and flax is after all limited. So, many new plant fibers, such as hemp, apocynum, mulberry bast fiber, pineapple leaf fiber, banana fiber, bamboo fiber, kapok fiber, and so on, have been exploited in recent years. The luxury sector, particularly fashion has a high environmental footprint and is responsible for a significant amount of waste. Designers committed to sustainable processes face a severe lack of options in terms of the actual goods used to make their products, with everything from fabric to embellishments being in short and expensive supply. This chapter aims to give an insight into the comprehensive details of conventional as well as unconventional sustainable luxury fibers which are going to be dominated in luxury fashion industry in the forthcoming years.

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“…Although a large amount of information on mechanical performances of lotus fibers has been reported until date, 11,12 the characterization strategies of these properties were executed on a macro-monofilament testing machine. Moreover, the results demonstrated that lotus fibers possess medium strength and undergo less elongation.…”

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confidence: 99%

Micromechanics of Lotus Fibers

Zhang

Guo

2014

Chemistry Letters

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A detailed and comprehensive study on lotus fibers has been carried out to demonstrate its spiral structure with a side-by-side arrangement of fibrils. By using an improved testing instrument, it is found for the first time that lotus fibers show distinct micromechanical performance. Notably, a qualitative comparative analysis between the tensile process of raw and heated fibers suggests that such an excellent property is mainly derived from their structure and composition. This would hold promise in designing biomimetic functional materials.Lotus (Nelumbo nucifera Gaertn) is an aquatic perennial plant native to subtropical and temperate zones and is widely cultivated throughout Asia because of its esthetic, religious, and industrial value.14 With the emergence of bionics, its outstanding self-cleaning property has provided a promising avenue in the construction of various types of biomaterials such as water-repellent, 5,6 antifouling, 7 anticorrosion, 8 icephobic, 9 and so on. 10 Besides, another special phenomenon related to lotus rhizomes, generally referred to as "lotus root is broken but silks still remain connected" in Chinese proverb, also motivates us to use it for the fabrication of nanomaterials. However, the reason why such a phenomenon existed in lotus fibers (the term of lotus root silks) has not been explained clearly to date. In past years, the pivot of plant fibers mainly concentrated on their shortcomings such as strength and stiffness. Recently, Han et al. have investigated for the first time the morphology and structure of the natural Nelumbo nucifera fiber at different growth stages, which displayed a spiral shape with drip wax in a periodic arrangement on its surface.11 Pan et al. have investigated in depth the structural characteristics and physical properties of lotus fibers obtained from Nelumbo nucifera petioles with the aid of a variety of analytical instruments. Notably, mechanical analysis demonstrated that lotus fibers possess a rough surface topography and an internal structure different from that of common plant fibers.12 Meanwhile, they have studied the anatomy of lotus fibers isolated from petioles of Nelumbo nucifera from a botanical point of view. The result revealed the morphological nature of lotus fibers found in petioles and the tissue from which these fibers originate.13 However, further study on lotus fibers, especially their properties, has not been carried out comprehensively even if the author's group has performed the overall characterization of the structure of lotus fibers. In general, properties of materials are closely related to their structures. Compared to carbon fibers and spider silks, it is commonly reckoned that plant fibers possess poor mechanical properties because of its composition and structure. Nevertheless, how the structures determine their properties is seldom explored at present.To this end, a comprehensive examination of lotus fibers obtained from lotus roots was conducted. By comparing raw fibers with heated ones, an obvious difference in t...

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Structural characteristics and physical properties of lotus fibers obtained from Nelumbo nucifera petioles

Cited by 47 publications

References 28 publications

Bioinspired Green Composite Lotus Fibers

Bioinspired Green Composite Lotus Fibers

Sustainable Luxury Natural Fibers—Production, Properties, and Prospects

Micromechanics of Lotus Fibers

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