Journal
CONSTRUCTION AND BUILDING MATERIALS
Volume 404, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.conbuildmat.2023.132665
Keywords
Air lime; Biological susceptibility; Bio-waste; Citric acid; Hemihydrate gypsum; Hygroscopicity; Natural glue; Sodium Silicate; Starch; Thermal property
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Laboratory tests were conducted to evaluate the possibility of producing boards or coating panels with good hygrothermal performance using various agro-industrial wastes and adhesives. The results showed the advantages and disadvantages of each adhesive, with citric acid affecting mold growth resistance.
Laboratory tests were carried out to evaluate the feasibility of producing boards or coating panels with good hygrothermal performance by using different agro-industrial wastes (grape and olive press wastes, hazelnut shells, spent coffee and pine) and adhesives (gypsum-based binder, sodium silicate solution and starch-based glue). Hygrothermal properties and resistance to mould growth, including the effect of citric acid, were evaluated. The results highlighted the benefits and drawbacks of each adhesive: the binder seems more adequate to produce bio-based plastering mortars than boards; the other adhesives seem efficient solutions to produce boards with good hygrothermal properties; for the natural glue the bio-susceptibility needs improvement.
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