Toughening mechanisms in cellulose nanopaper: the contribution of amorphous regions
Sign Up to like & getrecommendations! Published in 2017 at "Cellulose"
DOI: 10.1007/s10570-017-1453-0
Abstract: Cellulose nanopaper is a strong and tough fibrous network composed of hydrogen bonded cellulose nanofibres. Upon loading, cellulose nanopaper exhibits a long inelastic portion of the stress–strain curve which imparts high toughness into the material.… read more here.
Keywords: nanopaper contribution; toughening mechanisms; cellulose nanopaper; mechanisms cellulose ... See more keywords
Comparison of fracture properties of cellulose nanopaper, printing paper and buckypaper
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science"
DOI: 10.1007/s10853-017-1108-4
Abstract: Cellulose nanopaper consists of a dense fibrous self-binding network composed of cellulose nanofibres connected by physical entanglements, hydrogen bonding, etc. Compared with conventional printing paper, cellulose nanopaper has higher strength and modulus because of stronger… read more here.
Keywords: cellulose nanopaper; printing paper; fracture properties; paper ... See more keywords
Engineering cellulose nanopaper with water resistant, antibacterial, and improved barrier properties by impregnation of chitosan and the followed halogenation.
Sign Up to like & getrecommendations! Published in 2021 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2021.118372
Abstract: This work demonstrated a facile and sustainable approach to functionalize cellulose nanopaper (CNP) by impregnation of chitosan (CS) and the followed halogenation. It was found that the tensile strength of the functionalized CNP (CNP/CS-Cl) was… read more here.
Keywords: cnp; cellulose nanopaper; barrier properties; impregnation chitosan ... See more keywords
Effects of nanofiber orientations on the fracture toughness of cellulose nanopaper
Sign Up to like & getrecommendations! Published in 2018 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2018.03.034
Abstract: Abstract Cellulose nanopaper exhibits superior mechanical properties with both high strength and toughness, and the crack bridging mechanism of nanofibers makes the most significant contribution to its fracture toughness. In this paper, we investigate the… read more here.
Keywords: cellulose nanopaper; fracture toughness; crack bridging;
A multiscale crack-bridging model of cellulose nanopaper
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2017.03.004
Abstract: Abstract The conflict between strength and toughness is a long-standing challenge in advanced materials design. Recently, a fundamental bottom-up material design strategy has been demonstrated using cellulose nanopaper to achieve significant simultaneous increase in both… read more here.
Keywords: multiscale crack; cellulose nanopaper; model; toughness ... See more keywords
Use of chitosan to reinforce transparent conductive cellulose nanopaper
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Chemistry C"
DOI: 10.1039/c7tc03980h
Abstract: Transparent conductive cellulose nanopaper (TCCNP) with excellent mechanical robustness and enhanced chemical stability offers the potential for diverse applications under severely humid conditions. Herein, the flexible freestanding TCCNP was successfully designed using TEMPO-oxidized nanocrystalline cellulose… read more here.
Keywords: cellulose nanopaper; tccnp; cellulose; transparent conductive ... See more keywords
Mechanics of Strong and Tough Cellulose Nanopaper
Sign Up to like & getrecommendations! Published in 2019 at "Applied Mechanics Reviews"
DOI: 10.1115/1.4044018
Abstract: Cellulose nanopaper, which consists of a porous network of cellulose nanofibrils (CNFs), exhibits excellent mechanical properties with high strength and toughness. The physical mechanisms, including a realizable reduction of defect size in the nanopaper and… read more here.
Keywords: cellulose nanopaper; nanopaper mechanics; mechanical properties; mechanics strong ... See more keywords
Recent Advances on Renewable and Biodegradable Cellulose Nanopaper Substrates for Transparent Light-Harvesting Devices: Interaction with Humid Environment
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Photoenergy"
DOI: 10.1155/2019/3057929
Abstract: Cellulose nanopaper (CNP) has attracted much interest during the last decade as a new fascinating renewable and biodegradable substrate for printed electronics and solar cells. Its outstanding optical and mechanical properties make CNP the ideal… read more here.
Keywords: cellulose nanopaper; humid environment; renewable biodegradable; humid ... See more keywords
Strengthening Cellulose Nanopaper via Deep Eutectic Solvent and Ultrasound-Induced Surface Disordering of Nanofibers
Sign Up to like & getrecommendations! Published in 2021 at "Polymers"
DOI: 10.3390/polym14010078
Abstract: The route for the preparation of cellulose nanofiber dispersions from bacterial cellulose using ethylene glycol- or glycerol-based deep eutectic solvents (DES) is demonstrated. Choline chloride was used as a hydrogen bond acceptor and the effect… read more here.
Keywords: via deep; surface; cellulose nanopaper; strengthening cellulose ... See more keywords