An overview of the articles has presented for the Special Issue "Bio-Based and Biodegradable Plastics: From Passive Barrier to Active Packaging Behavior". This issue has objective of collecting comprehensive findings regarding structure and functionality of bio-based sustainable polymers performing as multifaceted barrier and packaging in food, cosmetic, and other areas. The content of the collection covers diverse fields of knowledge embracing polymer chemistry, materials science, transport-diffusion phenomena, biodegradation exploring, and others.
Keywords: bio-based polymers; biodegradable packaging; biopolymer structure; diffusion; encapsulation; life cycle analysis; mechanical behavior; permeability.