Ecological aspects of sustainable polymer composite materials: the potential of reuse and recycling

Srebrenkoska, Vineta and Bogoeva-Gaceva, Gordana and Krsteva, Silvana and Dimeski, Dimko (2010) Ecological aspects of sustainable polymer composite materials: the potential of reuse and recycling. Conference Proceedings. ISSN 978-86-82343-13-4

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Abstract

The increased ecological consciousness has generated the concept of sustainable development of environmental resources with improved economic activities. Also, the International Community and waste legislation are influencing the composite industry, such as EU directives, End of Life Vehicles (ELV) and Waste Electrical and Electronic Equipment (WEEE), increased the pressure on solving fibre reinforced polymer waste management through recycling and reuse [1,2]. The aim of this work is to show the possibilities of recycling and reuse of thermoplastic polymer matrices with rice hulls (RH) and kenaf fibres (KF) using the conventional techniques, extrusion and compression moulding. The investigation have been performed in two steps: investigation of the recycling ability of the polymer matrix and application of the recycled matrix for production of the rice hulls composites and kenaf eco-composites. The matrices (polypriopylene (PP) and ploy(lacid) acid (PLA) ) were recycled one and two times and the fibers/filler were compounded with recycled matrix. The processing and material properties have been studied on the composites with recycled matrix and compared to the composites with virgin matrix. Characterization of all composites includes mechanical and thermo-gravimetrical analysis. Тhe flexural properties for PP recycled based composites were held close to the flexural properties for composite based on neat PP, but for PLA recycled based composite the flexural properties are decreased for about 50%. The thermal stability of recycled matrices based composites is very similar to the thermal stability of the composites with virgin matrix. The obtained results have shown that both polymer matrices (biodegradable and no degradable) could be recycled with acceptable mechanical properties and they can be successfully used for production of eco-composites.

Item Type: Article
Subjects: Engineering and Technology > Materials engineering
Divisions: Faculty of Technology
Depositing User: Vineta Srebrenkoska
Date Deposited: 30 Nov 2012 09:59
Last Modified: 02 Oct 2013 13:03
URI: http://eprints.ugd.edu.mk/id/eprint/2507

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