2021 TAPPI Nano Webinar Series – Circular Packaging Products from Polysaccharides

2021 TAPPI Nano Webinar Series – Circular Packaging Products from Polysaccharides

Tuesday, April 27, 2021 to Tuesday, April 27, 2021

9AM - 10AM EST

There is a strong drive to discover and develop alternatives to conventional plastics that offer the ability to be manufactured and used in a circular manner. In a circular economy, as opposed to a linear one, materials are derived from renewable resources or recycled content, and at the end of life, they are able to be circulated back into production via a chemical, physical or biological pathway. A critical need exists to develop such materials for plastic packaging, which represents the largest contributor to unrecyclable or difficult-to-recycle plastic waste. This talk describes innovations in production of barrier films and coatings suitable for food or pharmaceutical packaging, based on combinations of cellulose- and chitin-based nanomaterials.  Cellulose nanocrystals, CNCs, and chitin nanofibers or nanocrystals (ChNFs, ChNCs), are oppositely-charged, water-dispersible fibers that could form the basis of a platform of renewable, high-performance materials. Challenges to industrial implementation and approaches to overcome these will also be analyzed.  In addition, this talk will review several other projects ongoing at the Georgia Tech Renewable Bioproducts Institute in the area of circular approaches to packaging based on biomass-derived materials.

Learning Outcomes:

  • Knowledge
  • Identify challenges and constraints in current flexible barrier packaging
  • Recognize the opportunity available for utilizing cellulose and chitin-derived biomass nanofibers/crystals for barrier packaging
  • Identify challenges in manufacturing barrier flexible packaging from biomass
  • Comprehension
  • Explain why cellulose and chitin charge and length affect formation of barrier structions
  • Explain basic structure-property relationships between cellulose and chiftin processing, film deposition conditions and barrier properties

Who should attend:

Researchers, Academia with interest in Nanotechnology

Dr. Carson Meredith

received a BS degree in Chemical Engineering from Georgia Tech (1993) and a PhD in Chemical Engineering from the University of Texas, Austin (1998). He was a postdoc at the National Institute of Standards and Technology (NIST) from 1998 to 2000, and joined the faculty in the School of Chemical & Biomolecular Engineering at Georgia Tech in 2000. In his early career he was instrumental in developing the field of high-throughput or combinatorial polymer science, and applied this discovery methodology to problems ranging from optimizing cell function on tissue engineering scaffolds to membranes for fuel cells. His current research interests include fundamentals of colloid and polymer science as applied to bioinspired materials and renewable and sustainable materials from biomass. For example his group has pioneered chitin-cellulose derived alternative packaging materials that could be substitutes for current plastics. Dr. Meredith is a Chief Editor for the journal Emergent Materials (Springer).  In addition he serves as the Executive Director of Georgia Tech’s Renewable Bioproducts Institute, one of eleven interdisciplinary research institutes on the GT campus.

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