Dimension change in microfibrillated cellulose from different cellulose sources by wet disk milling and its effect on the properties of PVA nanocomposite

Jang, Jae‐Hyuk; Lee, Seung Hwan; Endo, Takashi; Kim, Namhun

doi:10.1007/s00226-015-0703-2

Cited by 14 publications

(5 citation statements)

References 22 publications

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“…At the CNF content of below 10 wt%, Jang et al have obtained a similar trend of increase of tensile strength and Young's modulus using a CNF type of the same product name of the one used in this study (Celish KY 100 G), with highest tensile strength of 110 MPa being obtained at 10% CNF content. 13 Similar trends were obtained by Lu et al where higher CNF content from 10 to 15 wt% in PVA has yielded higher tensile strength. 14 Qiu et al have incorporated higher CNF content up to 50 wt% and similar results were yielded where higher fracture stress were recorded at the highest CNF content of 50 wt% with 84.9 MPa.…”

Section: Resultssupporting

confidence: 83%

Mechanical properties of heat-treated cellulose nanofiber-reinforced polyvinyl alcohol nanocomposite

Mohamed

Takagi

Nakagaito

2016

Journal of Composite Materials

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The mechanical properties of cellulose nanofiber-reinforced polyvinyl alcohol composite were studied. Neat polyvinyl alcohol films, cellulose nanofiber sheets, and their nanocomposites containing cellulose nanofiber weight ratios of 5, 15, 30, 40, 45, 50 and 80 wt% were fabricated. Heat treatment by hot pressing at 180℃ was conducted on the specimens to study its effect to the mechanical properties and the results were compared with the non heat-treated specimens. Morphology of the composites was studied by scanning electron microscopy and the mechanical properties were evaluated by means of tensile tests. The results showed that increase of cellulose nanofiber content from 5 wt% to 80 wt% has increased the tensile strength of the composites up to 180 MPa, with cellulose nanofiber content higher than 40 wt% yielding higher tensile strength. The heat-treated specimens exhibited higher tensile strength compared to those of untreated specimens.

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Section: Resultssupporting

confidence: 83%

Mechanical properties of heat-treated cellulose nanofiber-reinforced polyvinyl alcohol nanocomposite

Mohamed

Takagi

Nakagaito

2016

Journal of Composite Materials

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“…Mechanical forces from high shear and frictional force during WDM could damage the crystalline structure of CNF, hence reduce the Crl values. This was supported by reports from Jang et al (2015), Norrrahim (2018) and Zakaria et al (2015). Hence, it can be noted that by prolonging the milling process, the crystalline structure of CNF might be disrupted, thus reducing the Crl value.…”

Section: Thermal Stability and Crystallinity Index Of Cellulose Nanofibersupporting

confidence: 69%

Reinforcement Materials in Poly((R)-3-Hydroxybutyrate-co-(R)-3-Hydroxyhexanoate Bionanocomposite

Yasim-Anuar¹,

Sharip²,

Megashah³

et al. 2020

JST

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Waste paper is the second-highest municipal solid waste collected in Malaysia and as current practice, it is recycled for further use in the manufacturing of low-grade products. Instead of continuously utilizing waste paper for low-grade products manufacturing, it can be used as a feedstock to produce high bioproducts such as cellulose nanofiber (CNF). Hence, this study explored the potential of waste paper as a feedstock for CNF production. The waste paper was subjected to a different number of cycles of wet disk milling (WDM): 0, 5, 10, 15 and 20 cycles. The presence of nano-sized cellulose was confirmed by FE-SEM micrographs, where CNF with diameter size 20 – 40 nm was formed after 10 cycles of milling. It was also revealed that the obtained CNF possessed appropriate properties as a reinforcement material. The tensile strength and Young’s modulus of poly((R)-3-hydroxybutyrate-co- (R)-3-hydroxyhexanoate (PHBHHx) increased by 19 and 12%, respectively after the reinforcement of 1% CNF. Overall, this study portrays that waste paper could be utilized as a raw material for CNF production, without the need for chemical pretreatment.

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“…The Daicel NC used in this study is speculated to be cotton derived produced via high pressure homogenization (Hideno et al 2016;Jang et al 2015). The mean diameter of these commercial grade NC fibres was around 73 nm ), while their suspension showed a zeta potential of -22.3 mV (Raj et al 2017).…”

Section: Resultsmentioning

confidence: 99%

Impact of heat drying on the physical and environmental characteristics of the nanocellulose-based films produced via spray deposition technique

et al. 2020

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Nanocellulose (NC) and NC-based composites have gained considerable attention in recent years due to their biodegradability and recyclability. Spray deposition has emerged as a potential technique to produce NC films due to the rapidity and simplicity of the process. The major hurdle regarding the efficient production of NC-based films is the drying process. The aim of the current study is to significantly reduce the drying time of NC films and consequently examine the impact of drying on their mechanical characteristics, barrier and environmental performance. The NC films produced by spray deposition were dried at 50°C, 75°C and 100°C and their characteristics were compared with the films produced via the same method at ambient temperature (28 ± 2°C). Heating the films in an oven up to 75°C had a negligible effect on mechanical characteristics while slightly improving the barrier properties as compared with the ambient dried films. However, the dimensional stability was only achieved when the temperature was below 75°C. Drying could be accomplished at the faster drying rate and the NC films found to have lower embodied energy in comparison with the conventional packaging materials.

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Dimension change in microfibrillated cellulose from different cellulose sources by wet disk milling and its effect on the properties of PVA nanocomposite

Cited by 14 publications

References 22 publications

Mechanical properties of heat-treated cellulose nanofiber-reinforced polyvinyl alcohol nanocomposite

Mechanical properties of heat-treated cellulose nanofiber-reinforced polyvinyl alcohol nanocomposite

Reinforcement Materials in Poly((R)-3-Hydroxybutyrate-co-(R)-3-Hydroxyhexanoate Bionanocomposite

Impact of heat drying on the physical and environmental characteristics of the nanocellulose-based films produced via spray deposition technique

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