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Easy cellulose nanofiber extraction from residue of agricultural crops

Nakagaito, Antonio Norio ; Takagi, Hitoshi

International journal of modern physics. B, Condensed matter physics, statistical physics, applied physics, 2018-07, Vol.32 (19), p.1840080 [Periódico revisado por pares]

Singapore: World Scientific Publishing Company

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  • Título:
    Easy cellulose nanofiber extraction from residue of agricultural crops
  • Autor: Nakagaito, Antonio Norio ; Takagi, Hitoshi
  • Assuntos: Cellulose ; Cellulose fibers ; Light Alloys, Eco-Materials, and Biomaterials ; Modulus of elasticity ; Morphology ; Nanocomposites ; Nanofibers ; Straw ; Vegetable fibers
  • É parte de: International journal of modern physics. B, Condensed matter physics, statistical physics, applied physics, 2018-07, Vol.32 (19), p.1840080
  • Descrição: Cellulose is found in the cell wall of plant fibers in the form of nanofibers. The Young’s modulus of the crystalline portion is close to 140 GPa whereas the tensile strength of nanofibers is estimated to be above 2 GPa. Cellulose nanofiber has the potential to become an environmentally benign substitute for conventional reinforcements, but the overall cost of production is prohibitive due to the high energy demand and low yields of the mainstream processes, along with the need for expensive devices for proper extraction. This study proposes the use of an affordable kitchen blender adapted to extract cellulose nanofiber from agricultural crop byproducts to reduce production cost. Preliminary results showed that blending of pulp fibers from grass straw produces nanofibers similar to commercially available morphologies. So far, the raw material for nanofiber extraction has been mainly pulp fibers from wood, but the availability of cellulose in plant cells other than fibers would make nanofibers accessible to a wider research community and accelerate the development of cellulose-based nanocomposites.
  • Editor: Singapore: World Scientific Publishing Company
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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