Impact of polymer processing on sorption of benzaldehyde vapor in amorphous and semicrystalline polypropylene

作者: Ying Qin , Maria Rubino , Rafael Auras , Loong-Tak Lim

DOI: 10.1002/APP.28314

关键词: ThermoformingChemical engineeringAmorphous solidGravimetric analysisPolymerMaterials scienceCrystallinityPolymer chemistryPolypropyleneSorptionExtrusion

摘要: In this study, organic vapor sorption properties of different polypropylene (PP) forms (resin, sheet, thermoformed and atactic PP) at 25°C were investigated. The benzaldehyde five activities was studied by using a continuous gravimetric method. in PP exhibited behaviors among resin, polyhedron sheet. experimental results demonstrated that the extrusion thermoforming processes used for forming these parts had great impact on behavior because changes surface bulk morphologies, especially high activities. © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008.

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