Recycling of wood fiber-reinforced HDPE by multiple reprocessing
Journal article, 2016

The mechanical recycling of high-density polyethylene (HDPE) reinforced with wood fiber was studied by means of repeated injection moulding. The change in properties during the recycling was monitored by tensile and flexural tests, Charpy impact tests, differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), FTIR spectroscopy, and by measuring the fiber lengths. Tests were also done where injection moulding was combined with subsequent accelerated thermo-oxidative ageing and thereafter repeated numerous times. The results showed that the HDPE composites were relatively stable toward both the ageing conditions and the repeated injection moulding. The change of the mechanical properties was mainly observed as an increased elongation at max.



biopolymers and renewable polymers


cellulose and other wood products


Dan Åkesson

University of Borås

Torsten Fuchs

University of Borås

Michael Stöss

University of Borås

Andrew Root


Erik Stenvall

Chalmers, Materials and Manufacturing Technology, Polymeric Materials and Composites

Mikael Skrifvars

University of Borås

Journal of Applied Polymer Science

0021-8995 (ISSN) 1097-4628 (eISSN)

Vol. 133 35 Art. no. APP43877- 43877

Subject Categories

Paper, Pulp and Fiber Technology



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