Sustainable and Eco-Friendly Vege Roofing Tiles: An Innovative Bio-Composite

Abstract:

This paper presents a research study conducted on the usage of vegetable oil for the production of eco-friendly Vege roofing tiles. Conventional roofing tiles which constitute of concrete and clay are considered as environmentally unfriendly because of the significant amount of greenhouse gas emission during their production. An entirely novel methodology of utilizing catalyzed vegetable oil is proposed which can totally replace the use of traditional binders like cement and clay. Limited trails conducted on prototypes samples revealed that when catalyzed vegetable oil mixed with aggregates, properly compacted and heat cured at 190oC for 24 hours, have shown flexural strength up to 9.5 MPa. The superior strength gain of these prototype samples was considered due to the use of the catalyst with vegetable oil, which resulted in the initiation of catalytic oxy-polymerization set of reactions during heat curing, converting vegetable oil to solid, hard polymer which is considered responsible for strength achievement factor for these novel Vege roofing tiles. All prototypes samples were tested for performance indicators like water absorption, permeability, and flexural strength according to ASTM standards. Moreover, the susceptibility of oil leachate from the tiles oil, when tested using electrical conductivity method showed a negligible amount of the electrical conductivity. Moreover, the estimated embodied energy requirements for these tiles were found quite less when compared to conventional tiles.

• Periodical: Materials Science Forum (Volume 882)
• Pages: 71-76
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.882.71
• Online since: January 2017
• Authors: Noor Zainab Habib, Humayun Nadeem, Choon Aun Ng, Salah Elias Zoorob, Zahiraniza Mustaffa
• Keywords: Catalyzed Vegetable Oil, Embodied Energy, Flexural Strength, Permeability, Sustainability, Vegetable Oils (VOs), Water Absorption

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