Recycling of polypropylene 1 based eco-composites

Srebrenkoska, Vineta and Bogoeva-Gaceva, Gordana and Avella, Maurizio and Errico, Maria and Gentile, Gennaro (2008) Recycling of polypropylene 1 based eco-composites. Polymer International, 57 (11). pp. 1252-1257. ISSN 1097-0126

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BACKGROUND: Renewable resources and recyclable thermoplastic polymers provide attractive eco-friendly quality as well as environmental sustainability to the resulting natural fiber reinforced composites. The properties of polypropylene (PP) based composites reinforced with rice hulls or kenaf fibers were investigated with respect to recyclability. Maleic anhydride grafted PP was used as 1 a coupling agent (CA) to improve the compatibility and adhesion between fibers and matrix. The composites containing 30 wt % reinforcement were manufactured by melt mixing and their mechanical and thermal properties were determined. The composites were then grand into granules used for production of new samples by compression molding. RESULTS: It was found that the flexural strength and thermal stability of recycled composites is similar to the initial ones. The composites based on kenaf fibers have shown better properties after recycling than those based on rice hulls. CONCLUSION: The obtained results for flexural strength and modulus of PP-based composites produced from the recycled samples with kenaf fibers or rice hulls as reinforcement are comparable to conventional formaldehyde wood medium density fiberboards. The recycled composites exhibit good characteristics for using as construction materials for housing systems.

Item Type: Article
Subjects: Engineering and Technology > Materials engineering
Divisions: Faculty of Technology
Depositing User: Vineta Srebrenkoska
Date Deposited: 23 Nov 2012 08:21
Last Modified: 02 Oct 2013 13:13

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