Globally, polymer consumption is increasing in end-user industries
such as packaging, household appliances, construction and automobiles. Packaging alone accounts for nearly 42% of total polymer
consumption. Polymers used in packaging rose from 5 million tons to 100 million tons from 1950 to 2011. Polylactic acid (PLA) is among the most
widely used polymers in plastic films, bottles and biodegradable medical
devices. However, PLA exhibits limitations—slow crystallization, poor thermal
of tensile strength upon water absorbance and high cost. PLA’s
physicochemical properties can be overcome via incorporation with biomass-based
such as lignin. Lignin
is the second most abundant aromatic biopolymer from biomass and an
underutilized component produced as a by-product in the pulp and paper
industry. PACK-NIN will incorporate Cu/lignin nanoparticle
into the PLA matrix to enhance compatibility, bonding interaction and evaluate
the antimicrobial activity of the synthesized composites. PACK-NIN will develop a sustainable bio-nanocomposite that provides
breakthroughs for advancing lignin use in food packaging and other composite
Dr Sudha Esakkimuthu is a researcher in the Renewable Material Composite group at the InnoRenew CoE...
Dr. DeVallance is the Renewable Materials Composites Group Leader at the InnoRenew Centre of Excellence...
InnoRenew CoE, as the host institute, has all necessary research infrastructure and administrative support...
Mika H. Sipponen, D.Sc. (Tech.), is an assistant professor and leads the Sustainable Materials Chemistry ...
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