Applying Multiphase Plastic Structures in Active Packaging

The search for delivery systems for active packaging often seems never-ending to those of us who have been active in the pursuit of effective active packaging that senses some untoward environmental activity within or outside of food packages and responds to it. Most common among these is identifying the presence of moisture and immediately absorbing or adsorbing these excesses into or onto their structures, e. g., the ubiquitous “diaper pad” in the bottom of fresh meat, poultry, and produce tra…