Detergent impurity effect on recycled HDPE: Properties after repetitive processing

Ville Mylläri; Samuel Hartikainen; Valeria Poliakova; Reetta Anderson; Ilari Jönkkäri; Pertti Pasanen; Mirja Andersson; Jyrki Vuorinen

doi:10.1002/app.43766

journal article Apr 30, 2016

Detergent impurity effect on recycled HDPE: Properties after repetitive processing

Ville Mylläri Samuel Hartikainen Valeria Poliakova Reetta Anderson Ilari Jönkkäri Pertti Pasanen Mirja Andersson Jyrki Vuorinen

Journal of Applied Polymer Science Vol. 133 No. 31 · Wiley

View at Publisher Save 10.1002/app.43766

Abstract

ABSTRACTHigh density polyethylene (rHDPE) is extruded 1 to 8 times, with and without detergent, to simulate the effects of impurities on the material and on the artificial ageing process. The mechanical properties, thermal stability, rheology, Fourier transform infrared spectroscopy (FTIR), and volatile organic compound (VOC) emissions are measured. According to the results, ageing of rHDPE increases tensile strength, reduces elongation, and enhances side chain branching of the material and thus causes rheological changes. The addition of detergent reduces changes in mechanical properties and rheological behavior but accelerates thermal degradation. VOC and FTIR measurements of the samples with detergent addition show generation of harmful 1,4‐dioxane. The amount of total emission, as well as emissions of important perfumes limonene and 1R‐α‐pinene, decreases during multiple extrusion cycles. Heating of the plastics is found to be a major factor in the VOC emission reduction. Impurities have a notable effect on the artificial ageing results. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci.2016,133, 43766.

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Details

Published: Apr 30, 2016
Vol/Issue: 133(31)
License: View

Authors

V

Ville Mylläri

Department of Material Science Tampere University of Technology Tampere 33101 Finland

S

Samuel Hartikainen

Department of Environmental Science University of Eastern Finland Kuopio 70211 Finland

V

Valeria Poliakova

Department of Energy and Materials Technology Arcada University of Applied Sciences Helsinki 00560 Finland

R

Reetta Anderson

Ekokem Company Riihimäki 11120 Finland

I

Ilari Jönkkäri

Department of Material Science Tampere University of Technology Tampere 33101 Finland

P

Pertti Pasanen

Department of Environmental Science University of Eastern Finland Kuopio 70211 Finland

M

Mirja Andersson

Department of Energy and Materials Technology Arcada University of Applied Sciences Helsinki 00560 Finland

J

Jyrki Vuorinen

Department of Material Science Tampere University of Technology Tampere 33101 Finland

Funding

Finnish funding agency

Cite This Article

Ville Mylläri, Samuel Hartikainen, Valeria Poliakova, et al. (2016). Detergent impurity effect on recycled HDPE: Properties after repetitive processing. Journal of Applied Polymer Science, 133(31). https://doi.org/10.1002/app.43766

Detergent impurity effect on recycled HDPE: Properties after repetitive processing

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