Molecular pathways for polymer degradation during conventional processing, additive manufacturing, and mechanical recycling

DVA Ceretti, M Edeleva, L Cardon, DR D'hooge - Molecules, 2023 - mdpi.com
The assessment of the extent of degradation of polymer molecules during processing via
conventional (eg, extrusion and injection molding) and emerging (eg, additive …

Comparison of properties with relevance for the automotive sector in mechanically recycled and virgin polypropylene

A Ladhari, E Kucukpinar, H Stoll, S Sängerlaub - Recycling, 2021 - mdpi.com
Polypropylene (PP) has a high recycling potential. However, the properties of mechanically
recycled PP (R-PP) have not been fully compared to those of virgin PP (V-PP). Therefore, in …

[HTML][HTML] Plastic pyrolysis over HZSM-5 zeolite and fluid catalytic cracking catalyst under ultra-fast heating

SL Wong, S Armenise, BB Nyakuma, A Bogush… - Journal of Analytical and …, 2023 - Elsevier
Plastic pollution compromises the environment and human well-being, and a global
transition to a circular economy of plastics is vital to address this challenge. Pyrolysis is a …

Utilization of municipal plastic and wood waste in industrial manufacturing of wood plastic composites

D Basalp, F Tihminlioglu, SC Sofuoglu, F Inal… - Waste and Biomass …, 2020 - Springer
Abstract In this study, Wood Plastic Composites (WPCs) were produced from post-consumer
bulky wastes of recycled plastic and wood in order to minimize waste, decrease …

Mechanical recyclability of polypropylene composites produced by material extrusion-based additive manufacturing

M Spoerk, F Arbeiter, I Raguž, C Holzer… - Polymers, 2019 - mdpi.com
Due to a lack of long-term experience with burgeoning material extrusion-based additive
manufacturing technology, also known as fused filament fabrication (FFF), considerable …

Odor characterization of post-consumer and recycled automotive polypropylene by different sensory evaluation methods and instrumental analysis

KS Prado, M Strangl, SR Pereira, AR Tiboni, E Ortner… - Waste Management, 2020 - Elsevier
Despite the growing interest of the automotive industry in using recycled polymers, their
undesired odor is limiting their application in vehicles' interior components. To get deeper …

Processing degradation index (PDI)–A quantitative measure of processing stability of polypropylene

J Tochacek, J Jancar - Polymer Testing, 2012 - Elsevier
Multiple extrusion, simulating thermo-mechanical processing conditions on the laboratory
scale, has commonly been accepted as a tool for assessing the processing stability of …

Novel and Accessible Physical Recycling for Expanded Polystyrene Waste with the Use of Acetone as a Solvent and Additive Manufacturing (Direct Ink-Write 3D …

R García-Sobrino, A Cortés, R Calderón-Villajos… - Polymers, 2023 - mdpi.com
The current high production of plastics has prompted the exploration of alternative pathways
to facilitate recycling, aiming for a progressively sustainable society. This paper presents an …

Recycling of blends made of polypropylene and an iron-based oxygen scavenger–influence of multiple extrusions on the polymer stability and the oxygen absorption …

M Lehner, D Schlemmer, S Sängerlaub - Polymer Degradation and …, 2015 - Elsevier
An often used oxygen scavenger is a blend of iron powder and additives dispersed in a
polymer carrier matrix. It is applied as an additive for separate layers of multilayer film …

Effect of porosity of α-alumina on non-thermal plasma decomposition of ethylene in a dielectric-packed bed reactor

MS Gandhi, A Ananth, YS Mok, JI Song… - Research on Chemical …, 2014 - Springer
The performances of the porous and nonporous α-alumina (α-Al 2 O 3) for the
decomposition of ethylene in a dielectric-packed bed plasma reactor were comparatively …