Effects of melt reprocessing on volatile emissions and structural/rheological changes of unstabilized polypropylene

Physics & Astronomy

• polypropylene 100%
• volatile organic compounds 93%
• cycles 49%
• flame ionization 38%
• thermal degradation 31%
• injection molding 29%
• recycling 27%
• grade 23%
• infrared spectroscopy 22%
• reactors 18%
• degradation 18%
• nitrogen 17%
• viscosity 17%
• atmospheres 17%
• cooling 16%
• heating 15%
• oxygen 14%
• air 14%
• detectors 13%
• simulation 9%

Engineering & Materials Science

• Polypropylenes 99%
• Volatile organic compounds 89%
• Ionization 31%
• Fourier transform infrared spectroscopy 30%
• Injection molding 24%
• Recycling 24%
• Pyrolysis 23%
• Nitrogen 22%
• Viscosity 19%
• Oxygen 19%
• Detectors 19%
• Heating 17%
• Degradation 17%
• Cooling 16%
• Air 13%

Chemical Compounds

• Poly(propylene) 83%
• Volatile Organic Compound 76%
• Melt Flow Index 35%
• Recycling 22%
• Rheology 22%
• Cooling 21%
• Flame 21%
• Ionization 19%
• Pyrolysis 17%
• Simulation 15%
• Nitrogen 14%
• Fourier Transform Infrared Spectroscopy 13%
• Purity 12%
• Dioxygen 11%
• Time 8%