Mechanical properties of natural rubber nanocomposites reinforced with cellulosic nanoparticles obtained from combined mechanical shearing, and enzymatic and acid hydrolysis of sisal fibers

Siqueira, Gilberto; Tapin-Lingua, Sandra; Bras, Julien; Perez, Denilson da Silva; Dufresne, Alain

doi:10.1007/s10570-010-9463-1

Cited by 103 publications

(60 citation statements)

References 12 publications

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“…In the recent years, NR-based nanocomposites with biobased nanoreinforcements like nanowhiskers extracted from wheat straw, Syngonanthus nitens (Capim dourado), rachis of palm tree, sisal, bagasse, chitin, etc. are found in the literature (Hajji et al 1996;Bendahou et al 2009;Siqueira et al 2010Siqueira et al , 2011Bras et al 2010;Nair and Dufresne 2003). Most of these studies deal with natural rubber latex-based nanocomposites prepared by casting and no attempts to develop vulcanized NR-based nanocomposites have been reported.…”

Section: Introductionmentioning

confidence: 86%

“…Nanocelluloses, which typically have a width of 5 to 50 nm and a high specific surface area, have seen rapid advancement and considerable interest in the last decade owing to their renewable character, advantageous mechanical properties, low density, availability, and diversity of sources (Favier et al 1995;Samir et al 2005;Dufresne 2006;Jonoobi et al 2010;Henriksson et al 2007;Bendahou et al 2009;Bras et al 2010;Siqueira et al 2011). In the recent years, NR-based nanocomposites with biobased nanoreinforcements like nanowhiskers extracted from wheat straw, Syngonanthus nitens (Capim dourado), rachis of palm tree, sisal, bagasse, chitin, etc.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Cellulose Nanofibers Isolated From Bamboo Pulp Residue on Vulcanized Natural Rubber

Visakh¹,

Thomas²,

Oksman³

et al. 2012

BioResources

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Nanocomposites were prepared using two bioresources, viz., cellulose nanofibers (CNFs) extracted from bamboo paper-pulp waste as the reinforcing phase and natural rubber (NR) as the matrix phase. CNFs with diameters up to 50 nm were isolated from bamboo pulp waste, and nanocomposites with 5 and 10% CNFs were obtained via two-roll mill mixing of solid natural rubber with a master batch containing 20 wt% CNFs. The NR phase was cross-linked using sulphur vulcanization. The morphology studies showed that the dispersion of CNF in NR matrix was not optimal, and some aggregates were visible on the fracture surface. The tensile strength and modulus at 50% elongation increased for the nanocomposites with the addition of CNFs, accompanied by a moderate decrease in elongation at break. The storage modulus of the natural rubber significantly increased above its glass-rubber transition temperature upon nanofiber addition. The addition of CNFs also had a synergistic impact on the thermal stability of natural rubber. The susceptibility to organic solvents decreased significantly for the nanocomposites compared to crosslinked NR, which indicated restriction of polymer chain mobility in the vicinity of the nanosized CNFs in the NR matrix.

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Section: Introductionmentioning

confidence: 86%

Section: Introductionmentioning

confidence: 99%

Effect of Cellulose Nanofibers Isolated From Bamboo Pulp Residue on Vulcanized Natural Rubber

Visakh¹,

Thomas²,

Oksman³

et al. 2012

BioResources

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“…In this context, is possible to highlight nanocomposites such as poly(3-hydroxybutyrate)(PHB)/bacterial cellulose [7], polyvinyl acetate/sisal cellulose whiskers [8], natural rubber/cellulosic nanoparticles of sisal fibers [9], thermoplastic starch/cellulose nanofibrils from wheat straw [10], poly (oxyethylene)/ramie whiskers [11], and pea starch/cellulose whiskers from pea hull fiber [12].…”

Section: Introductionmentioning

confidence: 99%

PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process

2017

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In this work, nanobiocomposites of poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) reinforced with cellulose nanofibrils (CNFs) were produced by electrospinning and solution casting process. CNFs were obtained by sulfuric acid hydrolysis from Imperata brasiliensis fibers. Nanocomposites loaded with 1 (wt. %) of CNFs were prepared using a mixture of solvents chloroform (CHCl 3 ): N, N-dimethylformamide (DMF), in the ratio of 78:22 with 30 h of solubilization. Films by solution casting were obtained in a petri dish, at 50 °C for 1 hour, using drying casting temperature of 153 °C. Mats by electrospinning were obtained with a needle 20x10, drum collector rotation 27 rpm, and working distance of 10 cm. Films and mats were characterized by Scanning Electron Microscopy (SEM), X-ray diffraction (XRD) and Differential Scanning Calorimetry (DSC). It was possible to conclude that for nanobiocomposites obtained by solution casting, the addition of CNFs did not affect the transparency of the films, but provided a significant increase in the crystallization rate as observed by DSC analysis, while for electrospinning nanobiocomposites a considerable improvement in process increasing electrospinning time and quality of the mats manufactured, were observed.

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“…In order to utilize nanocellulose as a reinforcing phase to form nanocomposites, the strong hydrogen bonding between cellulose crystals must be separated and dispersed well in the polymer matrices [5]. Extensive research has been reported to extract nanocellulose from different sources [6][7][8][9][10]. Typical processes involve mechanical and chemical treatments.…”

Section: Introductionmentioning

confidence: 99%

Effect of nanocellulose isolation techniques on the formation of reinforced poly(vinyl alcohol) nanocomposite films

Zhou¹,

Zheng³

et al. 2012

Express Polym. Lett.

197

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Abstract. Three techniques including acid hydrolysis (AH), 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO)-mediated oxidation (TMO) and ultrasonication (US) were introduced to isolate nanocellulose from microcrystalline cellulose, in order to reinforce poly(vinyl alcohol) (PVA) films. Important differences were noticed in fiber quality of nanocellulose and film properties of PVA nanocomposite films. The TMO treatment was more efficient in nanocellulose isolation with higher aspect ratio, surface charge (-47 mV) and yields (37%). While AH treatment resulted in higher crystallinity index (88.1%) and better size dispersion. The fracture surface, thermal behavior and mechanical properties of the PVA nanocomposite films were investigated by means of scanning electron microscopy (SEM), differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and tensile testing. The results showed that both the TMO-derived and AH-derived nanocellulose could be dispersed homogeneously in the PVA matrices. AH/PVA films had higher elongation at break (51.59% at 6 wt% nanocellulose loading) as compared with TMO/PVA, while TMO/PVA films shown superior tensile modulus and strength with increments of 21.5% and 10.2% at 6wt% nanocellulose loading. The thermal behavior of the PVA nanocomposite films was higher improved with TMO-derived nanofibrils addition.

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Mechanical properties of natural rubber nanocomposites reinforced with cellulosic nanoparticles obtained from combined mechanical shearing, and enzymatic and acid hydrolysis of sisal fibers

Cited by 103 publications

References 12 publications

Effect of Cellulose Nanofibers Isolated From Bamboo Pulp Residue on Vulcanized Natural Rubber

Effect of Cellulose Nanofibers Isolated From Bamboo Pulp Residue on Vulcanized Natural Rubber

PHBV/cellulose nanofibrils composites obtained by solution casting and electrospinning process

Effect of nanocellulose isolation techniques on the formation of reinforced poly(vinyl alcohol) nanocomposite films

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