Assessment of Thermal Performance of Green Building Materials Produced with Plant Oils

The purpose of this study was to investigate the potential utilisation of vegetable oils in fly ash and clay, as binding, to develop construction materials that could be used for walls. In present work, fly ash, natural clay and four different kinds of epoxidized vegetable oils (epoxidized soybean oil, epoxidized sunflower oil, epoxidized olive oil and epoxidized palm oil) were used to produce 180 kinds of composite materials and by analyzing the thermal conductivity coefficients of these novel materials, their use as a construction material was investigated. The lowest value of thermal conductivity, 0.25 W/mK, was measured for the sample with a 70% fly ash /30% clay ratio and 50% epoxidized sunflower oil processed at 200℃; while the highest value of thermal conductivity, 0.496 W/mK, was measured for the sample with a 30% fly ash /70% clay ratio and 40% epoxidized soybean oil processed at 160℃. The lowest values of thermal conductivity for the samples with epoxidized olive oil and epoxidized palm oil processed at 200℃ were obtained 0.255 and 0.258 W/mK, respectively. The lowest value of thermal conductivity was obtained from the highest process temperature at use of the epoxidized vegetable oils. Density and thermal conductivity decreased with the increase of epoxidized vegetable oils and FA at all levels of replacements. Moreover, with increasing of process, temperatures decreased density and thermal conductivity. The results showed that thermal conductivity of the building material increased when the high clay ratio was used in the preparation of the material composition. Results have also indicated an interesting potential for the fly ash recycling and epoxidized vegetable oils renewable to produce useful materials.

並列關鍵字

Construction Material ； Epoxidized Vegetable Oils ； Mechanical Properties ； Fly Ash ； Thermal Conductivity

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