New Plant-Based Plastic Can Be Broken Down and Recycled With Near-Perfect Efficiency

DM

Hoping to solve the plastic pollution problem, with recycling technology being too often inefficient, there seems to be a new biodegradable, bio-based substitute being invented every month. In 2020 alone, GNN reported on plastic item bags made from minerals that dissolve in boiling water, biodegradable flip-flops made from algae, additives that turn regular plastics into harmless bio-wax in nature in less than a year, newly discovered bacterial enzymes that breakdown plastic like dead leaves, and thermoplastic recycling which combines normal, mechanically chopped-up polymer with household waste to imprison the carbon it would otherwise produce. Now a recent paper published in Nature shows us that hard plastic polymer can be manufactured with “break points” in the molecular carbon chains which allow them to be chemically recycled with 10x as much efficiency. The polymers presented in the study could be manufactured with plant oils instead of fossil fuels, and when heated to 248°F (120° Celsius) in either ethanol or methanol, they breakdown from their complex polymers at a salvage rate of 96%.

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