Effect of Fiber Treatment Condition and Coupling Agent on the Mechanical and Thermal Properties in Highly Filled Composites of Sugarcane Bagasse Fiber/PP

Simão, José Alexandre; Carmona, Vitor Brait; Marconcini, J. M.; Mattoso, Luiz H. C.; Barsberg, Søren; Sanadi, Anand R.

doi:10.1590/1980-5373-mr-2015-0609

Cited by 33 publications

(26 citation statements)

References 23 publications

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“…In order to achieve the economical, eco-friendly and renewable natural resource requirements, the investigation of various natural fibers as a potential substitution to the artificial fiber have been conducted tremendously [1]. It was found that the introduction of the natural fiber as reinforcement in polymer matrix composites (PMCs) is capable to enhance the mechanical properties and performance of virgin materials [2].…”

Section: Introductionmentioning

confidence: 99%

Influence of Alkali Treatment on Physico-Chemical Properties of Malaysian Bamboo Fiber: A Preliminary Study

2018

MJAS

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In the present study, the effect of alkaline treatment on the morphology and physico-chemical properties of Malaysian bamboo fibers was elucidated. The fibers were extracted from raw bamboo culm using alkaline solution with concentrations of 0 and 10 wt% at 24 hours and followed by roller milling techniques. The treated and untreated fibers were characterized by Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA) and scanning electron microscope (SEM). Apart from that, the mechanical properties of single fiber were also investigated. It was found that the tensile strength and modulus of the alkali-treated fiber were improved by 45.6 and 72%, respectively, compared to the untreated fiber. The surface morphology of the treated fiber was improved in which the surface roughness has been reduced significantly as proven in SEM. The FTIR and TGA data suggested that alkaline treatment gradually removed the lignin and hemicellulose. These findings highly recommended that, local bamboo fiber could be used as a reinforcement agent for composite making.

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Section: Introductionmentioning

confidence: 99%

Influence of Alkali Treatment on Physico-Chemical Properties of Malaysian Bamboo Fiber: A Preliminary Study

2018

MJAS

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“…One of the main difficulties when dealing with natural composites is the adhesion between fibres and matrices, mainly due to the hydrophilic and hydrophobic characteristics showed by the fibres and the polymers, respectively 20 . Various surface treatment methods as well as coupling agents and compatibilizers such as maleic anhydride grafted polymers, silane, alkali treatment and etc have been used to increase the compatibility between natural fibers and thermoplastic matrices, thereby enhancing the composites performance 21 . The aim of this study was to develop PET rec /EMA blends and add cotton linter fibers to obtain PET rec /EMA/ CL composite and evaluate the influence of the variation in the EMA concentration, the addition of linter and coupling agents through rheological, morphological and mechanical behavior.…”

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confidence: 99%

Rheological, Morphological and Mechanical Characterization of Recycled Poly (Ethylene Terephthalate) Blends and Composites

et al. 2017

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This study evaluated the effect of adding poly (ethylene methyl acrylate) (EMA) and cotton linter (CL) on the properties of recycled poly (ethylene terephthalate) (PET rec ). For this, PET rec /EMA blend and PET rec /EMA/CL composite were developed. In order to improve the interfacial adhesion and the properties of these materials, ethylene/methyl acrylate/glycidyl methacrylate terpolymer (EMA-GMA) and polyethylene-grafted maleic anhydride (PE-g-MAH) were added. The rheological results showed that the addition of EMA increased and the addition of 1 wt% of CL reduced the viscosity. The morphological analysis of the non-compatibilized blend and composite showed poor interfacial adhesion. Polymer blends with 2 and 6 wt% of EMA had better mechanical properties, since these formulations have the smallest average particle diameter of 0.58 and 1.00 µm, respectively. The mechanical testing of composites showed a material with higher maximum strength and elasticity modulus than polymer blend when analyzed at the same EMA phase concentration. The use of EMA-GMA was effective in reducing the size of particles of the EMA in the blend.

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“…The film surface energy (γ SL ) is estimated using the Fowkes model, which was developed from the interfacial free energy model: (2) This model combines polar and dispersive interactions between solid and liquid surfaces. At least two liquids with known surface tension values are required to estimate the polar and dispersive components…”

Section: Contact Anglementioning

confidence: 99%

“…However, PP has an apolar and chemically stable surface, which means that it is a hydrophobic material with low surface energy. Consequently, PP is well known for its poor adhesion properties 1,2 , which can compromise its adhesion to other layers of flexible laminated packaging.…”

Section: Introductionmentioning

confidence: 99%

Improvement of Polypropylene Adhesion by Kraft Lignin Incorporation

et al. 2019

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Low surface energy and poor adhesion are well-known characteristics of polypropylene (PP). Surface treatments such as plasma, corona, and laser are usually applied to overcome these limitations. However, current studies highlight the incorporation of hydrophilic or amphiphilic polymers into hydrophobic low-surface-energy polymers as an alternative for increasing surface energy and thus improving adhesion. Lignin could be a promising amphiphilic polymer for use in increasing surface energy. In this work, PP/kraft lignin composites were obtained by incorporating up to 5 wt% of kraft lignin (KL) into a PP matrix. Corona treatment was applied to pristine PP and composites surfaces. Contact angle measurements and peeling tests were carried out to investigate the effects of KL incorporation and corona treatment on the surface energy and the mechanical strength of adhesion. Differential scanning calorimetry (DSC) was used to evaluate the PP's crystallinity index and recrystallization temperature and to dismiss their effects on the surface energy changes. Scanning electron microscopy (SEM) was applied to investigate the lignin dispersion. The results show that KL incorporation has potential as a method to improve the surface energy of PP, improve its poor adhesion, and enhance the effects of corona treatment.

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Effect of Fiber Treatment Condition and Coupling Agent on the Mechanical and Thermal Properties in Highly Filled Composites of Sugarcane Bagasse Fiber/PP

Cited by 33 publications

References 23 publications

Influence of Alkali Treatment on Physico-Chemical Properties of Malaysian Bamboo Fiber: A Preliminary Study

Influence of Alkali Treatment on Physico-Chemical Properties of Malaysian Bamboo Fiber: A Preliminary Study

Rheological, Morphological and Mechanical Characterization of Recycled Poly (Ethylene Terephthalate) Blends and Composites

Improvement of Polypropylene Adhesion by Kraft Lignin Incorporation

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