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Wet Compounding of Cellulose Nanomaterials into Biodegradable Polymers
Snapshot: Research at the Forest Products Laboratory has shown that cellulose nanomaterials can improve the barrier properties of polymer films, and such improvements can lead to increased shelf-life of food. However, compounding cellulose nanomaterials into thermoplastic polymers presents numerous challenges, especially removing water from the nanocellulose suspensions. Recently, researchers have demonstrated a novel method for drying and blending cellulose nanomaterials with polymers simultaneously in one processing step, which has the potential to provide a practical alternative to existing strategies for producing cellulose nanocomposites.
Thermoformed cup containing 1% cellulose nanocrystals wet compounded in polylactic acid. USDA Forest Service