Valorization of Parthenium hysterophorus weed for cellulose extraction and its application for bioplastic preparation

Nigam, Shashwat; Das, Apurba K.; Patidar, Mukesh Kumar

doi:10.1016/j.jece.2021.105424

Cited by 23 publications

(9 citation statements)

References 60 publications

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“…The elastic modulus of the cellulose bioplastics is shown in Figure 6 , where it is seen to experience an increase along with the addition of ECH concentration from 10 to 20 wt%. The present study showed a higher elastic modulus compared to the cellulose acetate bioplastic from the previous study, which was 246.91 MPa and 153 MPa, respectively [ 11 ]. However, the elastic modulus significantly decreased in the sample with 25 wt% of ECH concentration.…”

Section: Resultsmentioning

confidence: 46%

“…The highest tensile strength obtained was 9.33 MPa. The result indicated that the tensile strength is comparable to other bioplastic types, such as cellulose acetate, cellulose/carrageenan, and chitosan [ 11 , 13 , 31 ]. However, the cellulose bioplastic with 25% ECH concentration declined rapidly to 1.18 MPa.…”

Section: Resultsmentioning

confidence: 88%

“…The most commonly used cellulose derivative is cellulose acetate, which has excellent mechanical and thermal properties. However, it requires a complicated and complex process [ 8 , 11 ]. As a filler, cellulose has been added to various matrices such as amylose [ 12 ], carrageenan [ 13 ], and starch [ 14 ].…”

Section: Introductionmentioning

confidence: 99%

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Facile Preparation of Cellulose Bioplastic from Cladophora sp. Algae via Hydrogel Method

et al. 2022

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Bioplastic has been widely studied in the past decades as a replacement for non-biodegradable and non-environmentally friendly plastic. One of the promising materials to produce bioplastic is cellulose. However, it is rarely used as the main component for bioplastic production. This study reports a facile process to prepare bioplastic using the pure cellulose content of Cladophora sp. algae via the hydrogel method. The effect of epichlorohydrin (ECH) concentrations as the cross-linking agent was investigated toward the biodegradability, thermal, and mechanical properties of the cellulose bioplastic obtained. The results showed that ECH concentrations affected the properties of the cellulose bioplastic produced due to the number of cross-links formed during the process. The cellulose bioplastic possessed relatively high thermal and mechanical properties. The cellulose bioplastic performed excellent biodegradability, as it was degraded by more than 40% within five days. Thus, the cellulose of Cladophora sp. algae has the potential to be developed as the main component for bioplastic application.

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Section: Resultsmentioning

confidence: 46%

Section: Resultsmentioning

confidence: 88%

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Facile Preparation of Cellulose Bioplastic from Cladophora sp. Algae via Hydrogel Method

et al. 2022

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“…Moreover, cellulose decomposes rapidly at around 350 °C because of the removal of hemicelluloses. Only about 30% weight is left for the pyrolysis of the cellulose skeleton at 350 °C [ 49 ].…”

Section: Resultsmentioning

confidence: 99%

Synthesis and Characterization of Eco-Friendly Bio-Composite from Fenugreek as a Natural Resource

et al. 2022

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The present study show the usability of starch (tamarind) based-bio-composite film reinforced by fenugreek by various percentages to replace the traditional petrochemical plastics. The prepared bio-composite films were systematically characterized using the universal testing machine (UTM), soil degradation, scanning electron microscope (SEM), X-ray diffraction (XRD), thermogravimetric analyzer (TGA), and antibacterial tests. The experiments showed that a lower percentage of fenugreek improves biodegradation and mechanical strength. More than 60% of biodegradation occurred in only 30 days. Almost 3 N/mm2 tensile strength and 6.5% tensile strain were obtained. The presence of micropores confirmed by SEM images may accelerate the biodegradation process. Antibacterial activity was observed with two samples of synthesized bio-composite, due to photoactive compounds confirmed by FTIR spectra. The glass transition temperature was shown to be higher than the room temperature, with the help of thermal analysis. The prepared bio-composite containing 5% and 10% fenugreek showed antibacterial activities.

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“…Therefore, the willingness to adopt plastic waste reduction should be strengthened and stimulated, especially among those individuals who are not at all committed or are not often aware of their purchasing and waste behavior. Because of this, research has been carried out to investigate bioplastics, which are polymers from renewable and/or biodegradable resources [45][46][47][48]. Degradable biopolymers are an alternative to traditional plastics, especially when recycling is not economically viable, or when the environmental impact must be minimized [49].…”

Section: Discussionmentioning

confidence: 99%

Plastic Food Packaging: Perceptions and Attitudes of Portuguese Consumers about Environmental Impact and Recycling

et al. 2021

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The use of plastics for packaging has some advantages, since they are flexible and inexpensive. However, most plastics are of single use, which, combined with low recycling or reuse ratios, contributes substantially to environmental pollution. This work is part of a project studying the habits of Portuguese citizens concerning plastic food packaging and focuses on aspects related to sustainability. The survey was carried out via an online questionnaire about sustainability, recycling, and knowledge of the effects of plastic materials or their residues on the environment. The results were obtained based on a statistical analysis of the data. The participants tend to think about the negative impact of plastic packages on the environment; 39% sometimes do not buy plastic; and 30% try to look for alternatives. A substantial fraction, 81%, support the avoidance of plastic utensils and reduction in the use of plastic bags. Most participants have a good knowledge of recycling and strongly agree with the use of recycled materials, and 87% of respondents practice separation of different types of waste for recycling. Changing plastic consumption habits has not been an easy task. Nevertheless, it is expected that society will increasingly move toward sustainable habits, questioning its actions and considering their impact on the environment.

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Valorization of Parthenium hysterophorus weed for cellulose extraction and its application for bioplastic preparation

Cited by 23 publications

References 60 publications

Facile Preparation of Cellulose Bioplastic from Cladophora sp. Algae via Hydrogel Method

Facile Preparation of Cellulose Bioplastic from Cladophora sp. Algae via Hydrogel Method

Synthesis and Characterization of Eco-Friendly Bio-Composite from Fenugreek as a Natural Resource

Plastic Food Packaging: Perceptions and Attitudes of Portuguese Consumers about Environmental Impact and Recycling

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