Residential buildings are globally responsible for around 40% of annual energy consumption. Reduction in energy consumption in this sector with the use of bio-based phase change materials (BPCMs) incorporated in building elements brings benefits for both cost savings and the environment [1, 2]. This approach manages temperature fluctuations inside buildings, thus controlling energy intermittency, leading to efficient use of thermal energy. BPCMs, including fatty acids and their esters, incorporated in wood materials result in promising fully bio-based panels for internal use, however, the leakage of incorporated BPCMs from the wood structure challenges the approach [3-5]. A relatively effective solution to this problem is the encapsulation of BPCMs at either the micro or macro scales. Macro-encapsulation using biopolymers presents a more economical approach that is also environmentally friendly [6]. The idea of the present work is to study the feasibility of using a bio-sealant composed of epoxidized linseed oil (ELO) and Al(OTf)3 as a catalyst for curing of ELO at low temperature [7], which effectively addresses the leakage of wood/BPCM sandwich panels (see Fig. 1A).
Keywords: Epoxidized Vegetable Oil, Wood Surface Sealant, Phase Change Materials
Authors
Sajjad Ghodrati
Swedish University of Agricultural Sciences, Sweden
Meysam Nazari
Swedish University of Agricultural Sciences, Sweden
Nasko Terziev
Swedish University of Agricultural Sciences, Sweden
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