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Advancing Sustainable Practices in Additive Manufacturing: A Comprehensive Review on Material Waste Recyclability
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This review examines the recyclability of common 3D printing polymers — including PLA, ABS, and PETG — and explores how mechanical and chemical recycling strategies can reduce the growing waste footprint of additive manufacturing, while identifying key barriers such as contamination, mixed-polymer sorting, and economic viability.
This review investigates the pivotal challenge of recycling material waste in the context of additive manufacturing. We place an emphasis on decentralized 3D printing, shedding light on its environmental and economic implications. As additive manufacturing experiences exponential growth, the environment impact of waste generation during 3D printing processes has become increasingly significant. This paper explores various recycled materials commonly used in 3D printing, including polymers like polylactic acid (PLA), acrylonitrile butadiene styrene (ABS), and polyethylene terephthalate glycol (PETG), evaluating their characteristics and usability. General recycling methodologies, encompassing mechanical and chemical processes, are examined, with attention paid to challenges such as polymer sorting, additives, coatings, contamination, and thermoset reprocessing. The economic, societal, and environmental impacts of integrating recycled materials into 3D printing are examined. By identifying research gaps and proposing future trends, this review contributes to the development of a deeper understanding of how recycling can play a pivotal role in achieving environmental sustainability and economic viability within the decentralized 3D printing landscape.
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Advancing Plastic Recycling: Challenges and Opportunities in the Integration of 3D Printing and Distributed Recycling for a Circular Economy
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This review explores how combining 3D printing technology with distributed recycling could help communities process their own plastic waste locally rather than relying on centralized facilities. Researchers found that while this approach shows promise for creating a more circular economy, challenges remain around material quality, contamination, and economic viability. The study highlights community-based recycling as an important complement to traditional waste management systems.
Sustainable 3D Printing Filament Production from Recycled Nonbiodegradable Waste: A Review
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This study examined how microplastic ingestion affects the thermal tolerance of marine invertebrates, testing whether plastic particle exposure alters heat stress resistance. The findings indicate that microplastic-exposed organisms exhibit reduced thermal tolerance, suggesting plastic pollution could compound climate change stress on marine biodiversity.
Strategies for recycling multi-material polymer blends for additive manufacturing
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Researchers reviewed strategies for recycling mixed polymer blends as feedstocks for additive manufacturing (3D printing), finding that while compatibility and contamination challenges remain significant barriers, emerging techniques in compatibilization and material characterization are making plastic waste a viable raw material for this growing industry.
Critical Dialogs of 3D Printing Waste Recycling in Circular Fashion
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This review critically examines the challenges and opportunities of recycling 3D printing waste materials, specifically polylactic acid and thermoplastic polyurethane, within the context of circular fashion industry practices. The authors identified key barriers to effective recycling including material property degradation, contamination issues, and the need for dedicated infrastructure to treat these materials as biological and technical nutrients.
A Systematic Review on the Technical Performance and Sustainability of 3D Printing Filaments Using Recycled Plastic
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Researchers systematically reviewed the technical performance and sustainability of 3D printing filaments made from recycled plastics, finding that while recycled materials can match virgin plastic properties in many applications, quality consistency and contamination remain key barriers to broader adoption.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.