Nanocellulose reinforced polyurethane obtained from hydroxylated soybean oil

Ivdre, Aiga; Mucci, Verónica Luján; Stefani, Pablo Marcelo; Aranguren, Mirta I.; Cābulis, Uģis

doi:10.1088/1757-899x/111/1/012011

Cited by 14 publications

(14 citation statements)

References 22 publications

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“…In the present study, the tensile strength and elastic modulus increased more than two and four times, respectively, by adding 1 wt% CNC to the PU matrix reaching 5.3 MPa of tensile strength and 45 MPa of elastic modulus, values that correspond to a hard elastomeric material . However, samples with 0.5 and 2.0 wt% CNC showed worse performance in mechanical properties than the sample without CNC.…”

Section: Resultssupporting

confidence: 39%

Composites made from a soybean oil biopolyurethane and cellulose nanocrystals

Mucci

Ivdre

Buffa

et al. 2017

Polymer Engineering & Sci

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Cellulose nanocrystals (CNC) obtained by acidic hydrolysis from microcrystalline cellulose were dispersed in a biopolyurethane matrix to prepare composite films. The polyurethane was prepared from a hydroxylated soybean oil (SO‐OH) and a polymeric diphenyldiisocyanate (pMDI), using a organotin compound as the catalyst. The composite films contained different concentrations of nanocelullose, without any macroscopic aggregates in all cases. Thermal, tensile and dynamic mechanical properties of the films were determined for all the samples. In particular, it was observed that the glass transition temperature of the nanocomposites slightly increased with the concentration of the cellulose nanocrystals. The nanocomposite with 1 wt% of nanocellulose showed the highest tensile strength of the series. POLYM. ENG. SCI., 58:125–132, 2018. © 2017 Society of Plastics Engineers

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Section: Resultssupporting

confidence: 39%

Composites made from a soybean oil biopolyurethane and cellulose nanocrystals

Mucci

Ivdre

Buffa

et al. 2017

Polymer Engineering & Sci

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“…Another drawback using nanocellulose fibers is the difficulty to disperse them uniformly in non-polar medium because of their polar surface (Oksman et al 2006). So, most researchers are focused on a water-soluble polymeric matrix, considering the hydrophilic character of cellulose for the easier dispersion of cellulose (Oksman et al 2006;Bondeson and Oksman 2007;Chen et al 2009;Alain Dufresne 2010;Lemahieu et al 2011;Zhou et al 2012;Tang et al 2015;Pracella et al 2014;Trifol et al 2016;Haafiz et al 2016;Ivdre et al 2016;Khoo et al 2016;Sethi et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Preparation of Cellulose Nanofibers Reinforced Polyether-b-Amide Nanocomposite

et al. 2017

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A new kind of thermoplastic elastomer nanocomposite reinforced with cellulose nanofibers has been reported. The aim of this investigation was to study the interaction and dispersion of cellulose nanofibers into the Pebax matrix. These copolymers are considered as polyether-b-amide thermoplastic elastomers. They are from renewable resources, and their hydrophilic character allows them to interact with nanocellulose. The interaction and reinforcement effect of nanocellulose at 3 levels of nanocellulose, (1%, 3%, and 5%), were examined by scanning electron microscopy (SEM), differential scanning calorimetry (DSC), Fourier transform infrared spectroscopy (FTIR), and other mechanical tests. The results achieved from these tests indicated appropriate effects of cellulose nanofibers for the strong interaction and close contact with the polyamide phase of the Pebax polymer via strong hydrogen bonding.

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“…125 The addition of NC at certain levels and conditions substantially affected the mechanical properties of polyurethane. The greatest value of tensile strength resulted in 500% deformation with 10 wt% load of NCF, increasing from 6.5 MPa for neat polyurethane 126 Comparing different NC features, fibers and whiskers, the increase in the tensile properties observed for nanocomposites with NCF was more noticeable compared to the increase with the usage of NCC. 129,130 This is due to the formation of more interconnected cellulosic network with increasing filler content.…”

Section: Mechanical Performance Of Nc/polyurethane Compositesmentioning

confidence: 87%

“…The addition of NC at certain levels and conditions substantially affected the mechanical properties of polyurethane. The greatest value of tensile strength resulted in 500% deformation with 10 wt% load of NCF, increasing from 6.5 MPa for neat polyurethane to 10.5 MPa. Regarding the reinforcement effect of NC in whisker form, the modulus of polyurethane increased by almost 253% with the addition of 4 wt% filler.…”

Section: Reinforcement Of Nc In Synthetic Polymeric Compositesmentioning

confidence: 99%

Nanocellulose reinforced as green agent in polymer matrix composites applications

Rashid

Julkapli

Yehye

2018

Polymers for Advanced Techs

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Owing to their abundance, high strength and stiffness, and low weight and biodegradability, nanocellulose (NC) is regarded as a promising candidate for the preparation of green composites. The high reinforcing effect assigned to the mechanical percolation phenomenon of NC is due to the stiff continuous networks of cellulosic nanoparticles linked via hydrogen bonding. Compared to nanocrystalline cellulose, NC fibers result in more significant improvement to the modulus, stiffness, and strength as aspect ratio NC fiber is higher compared to NC crystal. Indeed, in the case of biopolymer composites, the reinforcement effect of NC is attributed to the NC‐polymer interactions and the reinforcing effect occurring through effective stress transfer at the NC‐polymer interface. The NC‐reinforced composites tend to become more brittle as the concentration of the reinforcing particles increase up to the saturated level, due to the reduction in surface adhesion between filler and matrix. Due to its promising mechanical and structural stability, NC composites have been used widely in many industrial applications such as food packaging, electronic applications, and tissue engineering.

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Nanocellulose reinforced polyurethane obtained from hydroxylated soybean oil

Cited by 14 publications

References 22 publications

Composites made from a soybean oil biopolyurethane and cellulose nanocrystals

Composites made from a soybean oil biopolyurethane and cellulose nanocrystals

Preparation of Cellulose Nanofibers Reinforced Polyether-b-Amide Nanocomposite

Nanocellulose reinforced as green agent in polymer matrix composites applications

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