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Polylactic acid is proving to be a viable alternative to petrochemical‐based plastics for many applications. It is produced from renewable resources and is biodegradable, decomposing to give H2O, CO2, and humus, the black material in soil. In addition, it has unique physical properties that make it useful in diverse applications including paper coating, fibers, films, and packaging (see Figure).

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BACKGROUND AND OUTLINE -PRINCIPLES AND FUNDAMENTALSBiorefinery Systems -An Overview Biomass Refining Global Impact -The Biobased Economy of the 21st Century Development of Biorefineries -Technical and Economic Considerations

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