The Potentials of Corn Waste Lignocellulosic Fibre as an Improved Reinforced Bioplastic Composites

Chong, Ting Yen; Law, Monica; Chan, Yen San

doi:10.1007/s10924-020-01888-4

Cited by 61 publications

(40 citation statements)

References 77 publications

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“…When necessary, spectra were charge corrected using the C 1s corelevel peak set to 284. 6 13 C nucleus using a 4 mm double-resonance magic angle spinning (MAS) probe head. The samples were packed into a 4 mm cylindrical zirconia dioxide MAS rotor.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

Recycled Cardboard Containers as a Low Energy Source for Cellulose Nanofibrils and Their Use in Poly(l-lactide) Nanocomposites

Copenhaver

Lamm

et al. 2021

ACS Sustainable Chem. Eng.

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Cellulose nanomaterials have attracted a great deal of interest as sustainable alternatives to nonrenewable or fossil fuel-derived materials, particularly in composite applications. Cellulose nanofibrils (CNF) are most often derived from wood sources through energy-intensive and costly mechanical fibrillation processes. In this study, recycled cardboard, referred to as old corrugated cardboard (OCC), was investigated as an alternate CNF source. OCC is a recycled material that can be obtained at one-tenth the cost of the commonly used bleached softwood Kraft pulp and can be refined to similar levels with nearly one-half of the energy consumption. Additionally, the distinct composition and morphology of OCC-derived CNF provides a more favorable fiber–matrix interface and better reinforcement capabilities of the cellulose nanofibrils in polymer matrices, displaying an over 70% increase in tensile modulus at a loading of 40 wt % with no decrease in tensile strength. When paired with biobased poly(l-lactide) (PLLA), OCC-derived CNF is proven to be an attractive low-cost and low-energy reinforcing agent for sustainable, high performance nanocomposites.

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Section: ■ Materials and Methodsmentioning

confidence: 99%

Recycled Cardboard Containers as a Low Energy Source for Cellulose Nanofibrils and Their Use in Poly(l-lactide) Nanocomposites

Copenhaver

Lamm

et al. 2021

ACS Sustainable Chem. Eng.

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“…The application of lignocellulosic fillers to thermosetting resins was considered an attractive alternative to increase the properties of such materials or to add new capabilities [ 53 ]. Phenol-formaldehyde, unsaturated polyesters, and epoxy resins are the most common options for high-performance applications [ 54 ], and the respective chemical structures are shown in Figure 8 .…”

Section: Thermosetting Resinsmentioning

confidence: 99%

Olive Stones as Filler for Polymer-Based Composites: A Review

et al. 2021

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Olives’ consumption produces copious agricultural byproducts that have accompanied humanity for millennia, but the increasing worldwide production complicates its management. Most wastes are generated during olive oil production in form of olive stones and other lignocellulosic derivatives. Industrial processes of chemical or physical nature to recover economically compounds from biomass residues are costly, difficult, and non-environmentally friendly. Cellulose, hemicellulose, and lignin biopolymers are the principal components of olive stones, which present interesting qualities as lignocellulosic fillers in polymeric composites. This review will summarize examples of composites based on thermoplastic polymers, such as polystyrene (PS), polylactide (PLA), polyvinyl chloride (PVC), polypropylene (PP), and polycaprolactone (PCL); thermosetting resins (phenol-formaldehyde, unsaturated polyesters, and epoxy) and acrylonitrile butadiene rubber/devulcanized waste rubber (NBR/DWR) blends focusing on the fabrication procedures, characterization, and possible applications. Finally, thanks to the wide disparity in polymer matrix types, the variability in applications is important, from adsorption to mechanical enhancement, showing the easiness and benefit of olive stone integration in many materials.

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“…Os compostos lignocelulósicos, que constituem as fibras naturais, apresentam uma composição dependente de sua fonte vegetal (Maraveas, 2020), sendo os principais componentes a celulose (35-50%), a hemicelulose (20-35%) e a lignina (10-25%) (Chong et al, 2020). A pectina, polissacarídeo amplamente presente nos resíduos agroindustriais, também é considerada uma matéria-prima relevante para a área de biopolímeros (Mellinas et al, 2020).…”

Section: Biopolímeros Extraídos De Resíduos Agroindustriais: Matéria-prima Para Elaboração De Filmesunclassified

Filmes biodegradáveis e agentes de reforço vegetais: Um enfoque em estudos brasileiros sob a ótica da economia circular

Matheus

Satoriva

Barone

et al. 2021

RSD

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Antropoceno é a era geológica atual, na qual profundas mudanças ambientais no planeta estão ocorrendo por influência das atividades humanas. Dentre outros aspectos, alguns que corroboram para este cenário são o sistema de produção de alimentos, incluindo o impacto das perdas de alimentos e a geração de resíduos agroindustriais, bem como o consumo e o descarte de plásticos em larga escala, com especial atenção aos materiais com um ciclo de vida curto, a exemplo das embalagens de alimentos. Como consequência, percebe-se uma demanda crescente por embalagens de fontes renováveis e biodegradáveis e, que dessa forma, contribuam para agregar valor e minimizar a perda de alimentos, aumentando sua vida útil e seu valor funcional. Uma alternativa que vem sendo explorada para melhorar as propriedades mecânicas, térmicas e de barreira de filmes é o uso de nanopartículas que, devido a escala nanométrica, fornecem aos filmes características aprimoradas, como maior tensão na ruptura e módulo de elasticidade e menor permeabilidade ao vapor de água quando comparado com filmes biodegradáveis sem o nanoreforço. As nanopartículas podem também ser produzidas a partir de resíduos agroindustriais, como cascas de banana, mandioca, milho, bagaço de uva, semente de manga e resíduos de caju. Assim, esta revisão tem como objetivo discutir criticamente o atual estado da arte e as tendências futuras sobre valorização de vegetais e seus resíduos por meio do desenvolvimento de filmes e embalagens de alimentos mais sustentáveis, com maior enfoque em estudos produzidos por Universidades e outras instituições de pesquisa brasileiras usando matéria-prima nacional.

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The Potentials of Corn Waste Lignocellulosic Fibre as an Improved Reinforced Bioplastic Composites

Cited by 61 publications

References 77 publications

Recycled Cardboard Containers as a Low Energy Source for Cellulose Nanofibrils and Their Use in Poly(l-lactide) Nanocomposites

Recycled Cardboard Containers as a Low Energy Source for Cellulose Nanofibrils and Their Use in Poly(l-lactide) Nanocomposites

Olive Stones as Filler for Polymer-Based Composites: A Review

Filmes biodegradáveis e agentes de reforço vegetais: Um enfoque em estudos brasileiros sob a ótica da economia circular

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