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Licensed Unlicensed Requires Authentication Published by De Gruyter June 23, 2016

Recycling the Cork Powder in a PVC-Based Composite Material: Combined Effect on Physico-Mechanical and Thermal Properties

H. Boulahia, A. Zerizer, Z. Touati and A. Sesbou


A large amount of cork powder (CP) produced by cork industry ended up in landfills, they are the result of the crushing of natural floor (bark) cork oak, hence the need to recycle these wastes to prevent environmental problems. To this end, the work is to combine the powdered cork recovered with a thermoplastic material to provide a cork based composite (CPC) having physico-mechanical characteristics and thermal very interesting. Several formulations of composite materials based on PVC (as matrix), cork powder (as a charge) and a PVC-g-MA coupling agent, have been the subject of experimental study to evaluate the physical-mechanical and thermal properties. To investigate the combined effect of cork powder and PVC-g-MA on composite properties, the samples were manufactured by varying the content of PC (30 %, 40 % and 50 %) with two PVC-g-MA concentrations. Improving the stability of PVC which is accentuated in the presence of the coupling agent. In addition, it was found that the incorporation of the coupling agent has enabled the elimination of the adverse effect of cork powder, improving the tensile strength. The composite obtained in this study yielded some promising properties, even if building strategies to achieve greater strength and rigidity could beings needed for specific applications.

*Correspondence address, Mail address: Hakima Boulahia, University M'Hamed Bougara, Boumerdes, Quoted Frantz Fanon, 35000 Boumerdes, Algeria. E-mail:


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Received: 2015-11-03
Accepted: 2016-03-03
Published Online: 2016-06-23
Published in Print: 2016-07-30

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