Fully bio-based coating for water/oil-resistant food packaging paper: Direct ring-opening grafting of epoxy soybean oil onto chitosan

Key Points

• The coating significantly improves water and oil resistance in food packaging paper, enhancing its durability.
• Key evidence demonstrates a 30% increase in oil resistance compared to untreated paper, highlighting the coating's effectiveness.
• The method involves direct ring-opening grafting of epoxy soybean oil onto chitosan, creating a bio-based coating.
• This innovation supports sustainable packaging solutions; further industrial application may pave the way for eco-friendly materials.