Graphene reinforced regenerated cellulose nanocomposite fibers prepared by lyocell process

Mahmoudian, Shaya; Sazegar, Mohammad Reza; Afshari, Nazanin; Wahit, Mat Uzir

doi:10.1002/pc.23864

Cited by 16 publications

(12 citation statements)

References 56 publications

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“…Wearable electronics and electronic casings are examples of applications where electrically conductive functional fabrics are in high demand. The design of conductive cellulose fibers has been approached differently by researchers, for example via the incorporation of graphene during the spinning process of the fiber production [5], or dip-coating the fibers with carbon nanotubes [6]. However, a simpler and more convenient way to achieve conductivity is the use of electroless metal plating on the surface of the fibers.…”

Section: Introductionmentioning

confidence: 99%

Conductive Regenerated Cellulose Fibers by Electroless Plating

Al-Maqdasi

Hajlane

Renbi

et al. 2019

Fibers

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Continuous metalized regenerated cellulose fibers for advanced applications (e.g., multi-functional composites) are produced by electroless copper plating. Copper is successfully deposited on the surface of cellulose fibers using commercial cyanide-free electroless copper plating packages commonly available for the manufacturing of printed wiring boards. The deposited copper was found to enhance the thermal stability, electrical conductivity and resistance to moisture uptake of the fibers. On the other hand, the chemistry involved in plating altered the molecular structure of the fibers, as was indicated by the degradation of their mechanical performance (tensile strength and modulus).

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Section: Introductionmentioning

confidence: 99%

Conductive Regenerated Cellulose Fibers by Electroless Plating

Al-Maqdasi

Hajlane

Renbi

et al. 2019

Fibers

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“…First, the CNWs could stably disperse in the water because of the negative charges on their surfaces, as illustrated in Figure (h). At the same time, the strong adsorption between the CNWs and GN through molecular interactions was favorable for the good dispersion of GN, as shown in Figure (i). We observed that a lot of CNWs randomly absorbed onto the surface of GN sheets, as shown in Figure (k).…”

Section: Resultsmentioning

confidence: 91%

Improved dispersion of the graphene and corrosion resistance of waterborne epoxy–graphene composites by minor cellulose nanowhiskers

Nie

Liu

et al. 2019

J of Applied Polymer Sci

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The uniform dispersion of graphene (GN) in a polymer matrix is still challenging at high loadings. In this study, we introduced a tiny number of cellulose nanowhiskers (CNWs; CNWs/GN = 1:20 w/w) to improve the dispersion of GN nanoplatelets in a waterborne epoxy (WEP) matrix at a GN loading of 1.0 wt %. Compared with that of 1.0% GN-WEP, the Young's modulus of the 1.0% GN-WEP-CNWs was enhanced by about 20.5%. The glass-transition temperature increased from 70.4 C for 1.0% GN-WEP to 72.8 C for 1.0% GN-WEP-CNWs. The water contact angle of composite film increased by 17 , from about 79 for the film without CNWs to about 96 for the film with CNWs. The anticorrosion efficiency of the coatings was also evaluated with the potentiodynamic polarization and electrochemical impedance spectroscopy techniques. The results reveal the CNW-containing coating showed better corrosion resistance for mild steel and could be applied as a green dispersant for GN in WEP coatings.

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“…Initial modulus of the fi bers with GO or rGO systematically decreases with increasing additives content and is slightly lower for rGO except for fi bers with the lowest rGO content (3%) for which the value is even somewhat higher than for plain cellulose fi bers (however within experimental error). It is, however, the opposite tendency as that observed by Mahmoudian et al [16] on adding graphene nanoplatelets (GNP) to the lyocell fi bers. The modulus of their fi bers increases with graphene loading.…”

Section: Mechanical Propertiesmentioning

confidence: 76%

“…cellulose [12][13][14][15][16], poly(vinylidene fluoride) [17], and polylactide [18] have been successfully used to prepare GO/polymer composites.…”

Section: Introductionmentioning

confidence: 99%

Regenerated Cellulose/Graphene Composite Fibers with Electroconductive Properties

Kulpiński

Jeszka

Małolepszy

et al. 2020

Autex Research Journal

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Conductive cellulose fibers may find application in producing antistatic materials and fibrous electronic elements for smart textiles (textronics). In this paper, we present a method of fabrication of cellulose fibers modified with the reduced graphene oxide (rGO) and graphene oxide (GO). The fibers were obtained by using N-methylmorpholine-N-oxide (NMMO) as a direct solvent, adding dispersion of GO during the cellulose dissolution process. In the next step, the GO enclosed in the fibers was reduced for ca. half an hour at 90°C with the excess of water solution of hydrazine to obtain fibers containing rGO. The viscosity of the spinning solution increased when GO was added; however, the difference is important at low shearing rates but decreases at high shearing rates, similar to that used in the process of fiber spinning. Cellulose fibers containing 3, 4, 6, and 10% w/w of rGO were obtained. Fiber morphology was studied using electron microscopy. The results of the electrical properties’ measurements showed that the conductivity of modified fibers strongly depends on the concentration of rGO. At 10% rGO conductivity was 9 x 10−3 S/cm. The mechanical properties of the obtained fibers were slightly changed by the presence of GO and rGO. Tenacity and elongation at break decreased with the increase in the content of GO and rGO in the fibers but remain at an acceptable level from the textiles processing point of view.

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Graphene reinforced regenerated cellulose nanocomposite fibers prepared by lyocell process

Cited by 16 publications

References 56 publications

Conductive Regenerated Cellulose Fibers by Electroless Plating

Conductive Regenerated Cellulose Fibers by Electroless Plating

Improved dispersion of the graphene and corrosion resistance of waterborne epoxy–graphene composites by minor cellulose nanowhiskers

Regenerated Cellulose/Graphene Composite Fibers with Electroconductive Properties

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