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Next generation bioplastics based on renewable resources and their potential applications
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This review surveys next-generation bioplastics — including polyhydroxyalkanoates, polylactic acid, thermoplastic starch, and seaweed-based materials — assessing their market readiness, application sectors, and regulatory challenges as alternatives to conventional plastics. Replacing petroleum-based plastics with truly biodegradable alternatives at scale is the most upstream solution to preventing the microplastic pollution that accumulates when conventional plastics fragment in the environment.
Challenges associated with the recyclability and end-of-life management of plastics are leading to a search for more environmentally friendly alternatives. The amount of conventional plastic that is recycled represents a tiny percentage of what is made. Most is sent to landfills or simply accumulates in the environment, which presents a challenge due to the generation of micro- and nanoplastics. Next-generation bioplastics have emerged as an option in recent years. Polyhydroxyalkanoates, polylactic acid, thermoplastic starch, lignocellulosic biocomposites, protein-based materials, seaweed, among others, can be regarded as promising alternatives to conventional plastics. These materials are innovative; some, such as polylactic acid and thermoplastic starch, are already established in the market, while others have recently gained ground in various sectors, including lignocellulosic biocomposites in the automotive industry and bioplastics based on marine algae for food packaging. However, this transition should not be limited to replacement. The study analyzes recent advances in next-generation bioplastics, including classification and potential applications. The study also explores key challenges and regulatory perspectives.
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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.
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This review examines biodegradable plastics as alternatives to conventional petroleum-based plastics, covering materials like polylactic acid, polyhydroxyalkanoates, and polycaprolactone. Researchers detail how these polymers are synthesized from renewable resources and can be modified for various applications. The study highlights both the promise and remaining challenges of biodegradable plastics in reducing environmental pollution from non-degradable plastic waste and microplastic formation.
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