Processing and characterizing repulping reject of liquid package board

نویسندگان

چکیده

Abstract Liquid package board (LPB) packages typically have the smallest global warming potential compared to other solutions, but recycling of integrated plastic and aluminum fractions is still limited. In fiber process with some residual fibers are concentrated repulping reject (Polyal). This study investigates composition properties rejects from separately collected LPB packages. The were modified in different ways, hot pressed, grinded finally compounded a twin screw extruder. Compositions compounds characterized Differential Scanning Calorimetry (DSC) Thermogravimetric Analysis (TGA) their studied tensile testing melt flow rate (MFR) measurements. All had relatively good processability mechanical properties. Properties improved by extraction filtering polyethylene terephthalate (PET) flakes. Especially offered significant improvement strain at break 11% 33%. It was also found that high density (HDPE) should be extracted recycled since easy, does not cause drastic changes compound HDPE has more applications than Polyal compounds.

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ژورنال

عنوان ژورنال: Journal of Applied Polymer Science

سال: 2023

ISSN: ['1097-4628', '0021-8995']

DOI: https://doi.org/10.1002/app.53942