Mechanical, rheological and degradation properties of PBAT nanocomposites reinforced by functionalized cellulose nanocrystals

Pinheiro, Ivanei Ferreira; Ferreira, Filipe V.; Souza, D.H.S.; Gouveia, Rubia F.; Lona, Liliane Maria Ferrareso; Morales, Ana Rita; Mei, Lucia H. I.

doi:10.1016/j.eurpolymj.2017.10.026

Cited by 193 publications

(76 citation statements)

References 70 publications

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“…In the method of in situ polymerization, the filler is dispersed in the monomer phase before polymerization. Generally, the polymerization takes place at temperatures close to the degradation temperatures of the fillers (about 230 • C), limiting its use [118,126].…”

Section: Processing Of Nanocomposites Reinforced With Natural Fillersmentioning

confidence: 99%

Polymer Composites Reinforced with Natural Fibers and Nanocellulose in the Automotive Industry: A Short Review

Ferreira

Pinheiro

Souza³

et al. 2019

J. Compos. Sci.

168

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Environmental concerns and cost reduction have encouraged the use of natural fillers as reinforcement in polymer composites. Currently, a wide variety of reinforcement, such as natural fibers and nanocellulose, are used for this purpose. Composite materials with natural fillers have not only met the environmental appeal, but also contribute to developing low-density materials with improved properties. The production of natural fillers is unlimited around the world, and many species are still to be discovered. Their processing is considered beneficial since the natural fillers do not cause corrosion or great wear of the equipment. For these reasons, polymer reinforced with natural fillers has been considered a good alternative for obtaining ecofriendly materials for several applications, including the automotive industry. This review explores the use of natural fillers (natural fibers, cellulose nanocrystals, and nanofibrillated cellulose) as reinforcement in polymer composites for the automotive industry.

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Section: Processing Of Nanocomposites Reinforced With Natural Fillersmentioning

confidence: 99%

Polymer Composites Reinforced with Natural Fibers and Nanocellulose in the Automotive Industry: A Short Review

Ferreira

Pinheiro

Souza³

et al. 2019

J. Compos. Sci.

168

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“…The addition of natural fillers can enhance the disintegration tendency of the PBAT-based composites in the soil. Pinheiro et al [82] prepared biodegradable nanocomposite materials using the melt mixing procedure of PBAT and CNC. They observed that the addition of CNC homogeneously dispersed in the PBAT leads to nanocomposites with improved mechanical properties when compared with pure polymer and improves the biodegradability of the matrix (Fig.…”

Section: Degradationmentioning

confidence: 99%

“…Surface modification of filler is an effective way to improve wetting of the filler by the PBAT while providing superior interfacial compatibility given the numerous interaction sites [40]. Pinheiro et al [82] prepared PBAT-based composites with different concentration of modified cellulose nanocrystals (MCNC). They reported that the modified CNC is able to increase the compatibility and improve the adhesion between modified CNC and polymer matrix (Fig.…”

Section: Pbat-based Compositesmentioning

confidence: 99%

An overview on properties and applications of poly(butylene adipate‐co‐terephthalate)–PBAT based composites

Ferreira

Cividanes

Gouveia

et al. 2017

Polymer Engineering & Sci

333

149

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There is growing interest in biodegradable polymers (BP), in particular poly(butylene adipate‐co‐terephthalate) (PBAT), due to environmental problems associated with the disposal of non‐biodegradable polymers into the environment. However, high production cost and low thermo‐mechanical properties restrict the use of this sustainable material, making its biodegradability advantageous only when it is decisively required. The addition of different compositions of monomers and selective addition of natural fillers have been reported as alternatives to develop more accessible PBAT‐based bioplastics with performance that could match or even exceed that of the most widely used commodity plastics. This review explores the recent progress of the applications and biodegradation of PBAT. The addition of natural fillers and its effect on the final performance of the PBAT‐based composites is also reported with respect to improving the properties of composites. The advance of polymerization reaction engineering combined with sustainable trend offers great opportunities for innovative green chemical manufacturing. POLYM. ENG. SCI., 59:E7–E15, 2019. © 2017 Society of Plastics Engineers

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“…These absorption peaks suggest that the prepared eucalyptus CNC is a cellulose I polymorph.UV-Vis spectroscopy(Figure 2(C)) shows that the CNC suspension is transparent, without any precipitates, suggesting that ultrasonic dispersion efficiently fibrillated the swollen cellulose. The XRPD pattern(Figure 2(D)) reveals characteristic diffraction peaks of cellulose at 2θ values of 16.6˚, 22.8˚, and 34.5˚, which indicates that the cellulose is entirely polymorph I [18][19], that polymorphous and amorphous regions coexist during the extraction process, and…”

mentioning

confidence: 99%

“…002 is the intensity of the peak corresponding to the (002) lattice diffraction at 2θ ≈ 22.3˚, which represents both crystalline and amorphous regions, and I am is the diffraction intensity of the amorphous fraction at 2θ ≈ 18.3˚[18] [19].…”

mentioning

confidence: 99%

A novel method for Isolating Nanocrystalline Cellulose from Eucalyptus Hardwood

Zhang¹,

Zou²

2019

JASMI

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The objective of this work is to develop a new method for extracting nanocrystalline cellulose (CNC) from eucalyptus. CNC was isolated from eucalyptus using 6:4 (v/v) tetrahydrofuran/water. The chemical and crystalline structure of the isolated CNC was characterized by zeta potential measurements, Fourier Transform Infrared (FT-IR) and UV-Vis spectroscopies, and X-ray powder diffractometry. The CNC morphology was characterized by Transmission Electron Microscope (TEM) and particle size of CNC was determined by the Dynamic Light Scattering (DLS) method. Cytotoxicity and zebrafish-toxicity experiments were also performed on CNC. The yield of CNC using the new extraction method was about 41%, and the extracted CNC particles were about 20 nm in diameter and about 40 nm long, on average. The zeta potential of the CNC was determined to be −56 eV and the CN particles were uniformly distributed in a suspension of 0.5 wt%. The prepared CNC was a type I polymorph with an intact crystal structure. Toxicity results revealed that 0.5 wt% is a safe CNC concentration, and that 2.5 mg/mL CNC is not teratogenic or lethal to zebrafish embryos or juveniles. The new extraction method developed in this study is environmentally friendly, and easy to operate with relatively low cost.

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Mechanical, rheological and degradation properties of PBAT nanocomposites reinforced by functionalized cellulose nanocrystals

Cited by 193 publications

References 70 publications

Polymer Composites Reinforced with Natural Fibers and Nanocellulose in the Automotive Industry: A Short Review

Polymer Composites Reinforced with Natural Fibers and Nanocellulose in the Automotive Industry: A Short Review

An overview on properties and applications of poly(butylene adipate‐co‐terephthalate)–PBAT based composites

A novel method for Isolating Nanocrystalline Cellulose from Eucalyptus Hardwood

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