Bioplastics, Milk packaging bag, Volatile compounds, Specific migration, Real food
rPET, semi-volatile compounds, TD-GC×GC-QTOF-MS, difference level, influencing factor
intelligent active PET, oxygen scavengers, safety, recyclability
Supramolecular solvents, recycled polyethylene terephthalate, decontamination, volatile organic compounds, recycling process