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Feasibility and Implications of Biodegradable Diaper Alternatives
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This review assesses biodegradable alternatives to conventional disposable diapers—including PLA, PBAT, bamboo, and polysaccharide-based superabsorbents—finding that while these materials offer reduced environmental persistence compared to polyethylene-based products, challenges in cost, mechanical performance, and scalability remain barriers to widespread adoption.
Disposable diapers contribute significantly to municipal solid waste, with non-biodegradable polymers such as low-density polyethylene (LDPE) persisting in landfills for centuries. Biodegradable alternatives, including polylactic acid (PLA), poly(butylene adipate-co-terephthalate) (PBAT), bamboo, and organic cotton, offer reduced environmental persistence, although challenges remain regarding cost, mechanical performance, and scalability. This review synthesizes current literature on these materials, highlighting their properties, biodegradation mechanisms, environmental performance, and commercial feasibility. In addition, we examine emerging biodegradable superabsorbent polymers (SAPs), such as polysaccharide-based hydrogels, chitosan, and nanocellulose, essential for fully compostable diapers. Our review uniquely integrates material performance, tropical high-humidity degradation, cost considerations, and consumer acceptance, providing insights into both technological advances and barriers to adoption. Key challenges include high production costs, supply chain limitations, and maintaining performance parity with conventional diapers. Finally, we discuss sustainable waste management strategies, including industrial composting, and identify future research directions focused on optimizing biopolymer properties, safety, and life-cycle impacts. This synthesis informs researchers, industry stakeholders, and policymakers seeking to advance environmentally responsible diaper products.
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Biodegradable Polymers: The Future of Sustainable Plastic Alternatives
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This review examines biodegradable polymers as sustainable alternatives to petroleum-based plastics, evaluating their potential to reduce microplastic pollution and ecological degradation. The authors assess the performance, environmental fate, and scalability of current biodegradable materials, identifying key challenges for widespread adoption across packaging and consumer product applications.
Plastic Alternatives: Biodegradable Solutions and Their Real-World Impact
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This review examines biodegradable alternatives to conventional plastics, evaluating biopolymers such as polylactic acid, polyhydroxyalkanoates, and starch-based composites for their practical performance, cost-efficiency, and real-world environmental impact as substitutes for petroleum-based plastic packaging.
Degradable Alternatives to Single-Use Plastics: Mechanisms, Materials, and Strategies for Sustainable Polyolefin Replacement
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This review evaluates biodegradable alternatives to single-use polyethylene and polypropylene plastics, covering materials such as PLA, PHAs, and starch-based polymers alongside modification strategies for conventional plastics, while addressing challenges including incomplete degradation, ecotoxicity, and cost barriers to real-world adoption.
Morphological and Performance Assessment of Commercial Menstrual and Incontinence Absorbent Hygiene Products
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Analysis of fifteen commercial absorbent hygiene products found that most contain non-biodegradable plastics, with limited sustainable substitutes available for superabsorbent polymers, though structural design changes could reduce total plastic content. Given that disposable hygiene products contribute to microplastic pollution in landfills and waterways, this work identifies concrete pathways for reducing a significant but underexamined plastic waste stream.
Biodegradable Biobased Polymers: A Review of the State of the Art, Challenges, and Future Directions
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This review surveys biodegradable biobased polymers (PLA, PHAs, succinate), finding slow real-world biodegradation rates as the key unresolved barrier to widespread adoption.
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