Biodegradable Plastics

Kumar, Rajesh; Razdan, Sumeer

doi:10.1002/9781119800897.ch10

Cited by 2 publications

(1 citation statement)

References 54 publications

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“…These bioplastic recycling strategies have been scientifically analysed and demonstrated at lab scales; however, further research is needed for their industrial implementation (Kumar et al., 2023). According to LCA analysis, mechanical recycling appears to cause less environmental impact than chemical recycling.…”

Section: Bioplastic Recycling: a Pending Topic To Be Addressedmentioning

confidence: 99%

Can bioplastics always offer a truly sustainable alternative to fossil‐based plastics?

Serrano‐Aguirre,

Prieto

2024

Microbial Biotechnology

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Bioplastics, comprised of bio‐based and/or biodegradable polymers, have the potential to play a crucial role in the transition towards a sustainable circular economy. The use of biodegradable polymers not only leads to reduced greenhouse gas emissions but also might address the problem of plastic waste persisting in the environment, especially when removal is challenging. Nevertheless, biodegradable plastics should not be considered as substitutes for proper waste management practices, given that their biodegradability strongly depends on environmental conditions. Among the challenges hindering the sustainable implementation of bioplastics in the market, the development of effective downstream recycling routes is imperative, given the increasing production volumes of these materials. Here, we discuss about the most advisable end‐of‐life scenarios for bioplastics. Various recycling strategies, including mechanical, chemical or biological (both enzymatic and microbial) approaches, should be considered. Employing enzymes as biocatalysts emerges as a more selective and environmentally friendly alternative to chemical recycling, allowing the production of new bioplastics and added value and high‐quality products. Other pending concerns for industrial implementation of bioplastics include misinformation among end users, the lack of a standardised bioplastic labelling, unclear life cycle assessment guidelines and the need for higher financial investments. Although further research and development efforts are essential to foster the sustainable and widespread application of bioplastics, significant strides have already been made in this direction.

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Section: Bioplastic Recycling: a Pending Topic To Be Addressedmentioning

confidence: 99%

Can bioplastics always offer a truly sustainable alternative to fossil‐based plastics?

Serrano‐Aguirre,

Prieto

2024

Microbial Biotechnology

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The Influence of Multiple Extrusions on the Properties of High Filled Polylactide/Multiwall Carbon Nanotube Composites

et al. 2022

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High filled polylactide/multiwall carbon nanotube composites were subjected to multiple extrusions using single-screw and twin-screw extruders. Samples of the processed composites were characterized by SEM, XRD, Raman, and FTIR spectroscopy. Thermal and rheological properties were investigated by DSC and MFR analyses. Subsequent extrusions resulted in decreased torque and process efficiency, which is a consequence of the viscosity reduction of PLA. Thermal and rheological properties of composites changed after each extrusion as well. As revealed by DSC analyses, cold crystallization temperature showed a tendency to decrease after each process, whereas cold crystallization enthalpy ΔHcc increased significantly. Melt flow rate, which is indicative of the polymer degradation, increased after each extrusion.

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Biodegradable Plastics

Cited by 2 publications

References 54 publications

Can bioplastics always offer a truly sustainable alternative to fossil‐based plastics?

Can bioplastics always offer a truly sustainable alternative to fossil‐based plastics?

The Influence of Multiple Extrusions on the Properties of High Filled Polylactide/Multiwall Carbon Nanotube Composites

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