Scientists have achieved an 80% conversion yield of a biodegradable plastic material from acetone and CO2, tackling the plastic waste crisis while moving toward carbon neutrality. Scientists have successfully synthesized 3-hydroxybutyrate, a raw material for poly-3-hydroxybutyrate (PHB) — a strong, water-insoluble, biodegradable plastic used for packaging materials — from acetone and CO2. With a visible light-driven catalytic system utilizing sunlight and two biocatalysts, the researchers achieved a high conversion yield of about 80%. Mimicking natural photosynthesis, this study artificially reproduced a light reaction involving sunlight and a dark reaction fixing CO2 to synthesize the raw material for PHB. The finding is expected to contribute to solving the plastic waste problem and to reducing CO2.
Success in synthesizing biodegradable plastic materials using sunlight and CO2
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