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Photo‐ and thermoinitiated oxidation of high‐impact polystyrene. I. Characterization by FT‐IR spectroscopy
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1994
Year
EngineeringDegradation ReactionChemistryPolymersChemical EngineeringPolymer MaterialPolymer TechnologyPolymer ProcessingHigh‐impact PolystyrenePolymer ChemistryMaterials SciencePhotochemistryPolymer StabilityPolymer EngineeringPolymer AnalysisFt‐ir SpectroscopyPhotodegradationDifferent TemperaturePolymer SciencePolymer CharacterizationChemical KineticsThermal Degradation
Abstract The photo‐ and thermooxidative degradation of different grades of high‐impact polystyrene (HIPS) has been studied by FT‐IR spectroscopy. The oxidized films were treated with NH 3 and SF 4 for the rapid identification and resolution of the various carbonyl species, alcohols, and hydroperoxides. All the sample gave similar oxidation products, but in varying quantities. The heterogenity in the film was also determined by micro‐FT‐IR spectroscopy. The thermal degradation processes at different temperature were compared. © 1994 John Wiley & Sons, Inc.
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