Biodegradable Thermoplastic Materials with Application in the Manufacture of Bags Without Synthetic Polymers

Polymers, Journal Year: 2025, Volume and Issue: 17(3), P. 356 - 356

Published: Jan. 28, 2025

Non-degradable plastic bags are a major contributor to marine and soil pollution. They represent significant percentage of the generated solid waste can last for hundreds years in environment. The aim present study was find alternatives conventional non-degradable by obtaining biodegradable compostable starting from simple materials like starch, poly(lactic acid) (PLA), glycerol. Increasing strength hardness polymer achieved adding mineral (talcum). preliminary studies indicated that two compositions suitable advanced testing produce initial granular material. These were tested determination melt flow index (MFI), Fourier Transform Infrared Spectroscopy (FTIR), polymers response heating (thermogravimetric analysis, TGA differential scanning calorimetry, DSC). biodegradability evaluated burial types soil. obtained results compared with same set experiments performed on polyethylene bags. After three months soil, only synthesized this show signs accentuated degradation while still intact. surface morphology explored electron microscopy (SEM). thermoplastic material meets requirements European standard EN13432/2002 regarding packaging.

Language: Английский

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Can agriculture and food waste be a solution to reduce environmental impact of plastic pollution? zero-waste approach for sustainable clean environment

Bioresource Technology, Journal Year: 2025, Volume and Issue: 420, P. 132130 - 132130

Published: Jan. 30, 2025

Language: Английский

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Microplastic in Australian processed organics: Abundance, characteristics and potential transport to soil ecosystem

Journal of Environmental Management, Journal Year: 2025, Volume and Issue: 375, P. 124359 - 124359

Published: Feb. 1, 2025

The extensive use and application of recycled organics, including biosolids compost, has been considered as an effective waste management approach to reduce landfills. However, concerns have raised about the presence microplastics (MPs) in these organics their subsequent transfer soils. Although MPs widely documented, our knowledge occurrence characteristics processed organic such compost is still limited. present study aimed investigate abundance, potential sources (>25 μm) samples collected across eleven sites with different processing systems Australia. This includes digestate from anaerobic digestion rapidly dehydrated food waste. MPs, mainly polyethylene, polypropylene polyester, were found all concentrations ranging 1500 16,000 MP/kg dry weight. majority fell within smaller size range 25-500 μm. Using concentration (size range, morphology, density) detected mass abundance was estimated be between 7 760 mg/kg We also that 5.2 × 1010 6.2 1012 MP/year could transferred land via findings this showed compostable bags a source some samples. provides first evidence Australia emphasises need more comprehensively understand fate during composting processes, contribution soil MP contamination, impacts on biota.

Language: Английский

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In situ plastic fragmentation between two contrasting ecosystems in the Atlantic

Marine Environmental Research, Journal Year: 2025, Volume and Issue: unknown, P. 107131 - 107131

Published: April 1, 2025

Language: Английский

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Alternative plastic materials pose higher chemical hazard and aquatic ecotoxicity than conventional plastics

Aquatic Toxicology, Journal Year: 2025, Volume and Issue: unknown, P. 107360 - 107360

Published: April 1, 2025

Language: Английский

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