Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eco-efficient boards with agro-industrial wastes – Assessment of different adhesives
Highlights Agro-industrial wastes are feasible to produce bio-composite boards and panels with different adhesives. The properties of the bio-composites widely depend on the selected adhesives. Sodium silicate-based bio-composites have high hygroscopicity and good resistance to mould growth. Starch-based bio-composites are easily affected by mould at high relative humidity. Citric acid and sodium silicate solution can improve bio-composites biological resistance.
Abstract 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.
Eco-efficient boards with agro-industrial wastes – Assessment of different adhesives
Highlights Agro-industrial wastes are feasible to produce bio-composite boards and panels with different adhesives. The properties of the bio-composites widely depend on the selected adhesives. Sodium silicate-based bio-composites have high hygroscopicity and good resistance to mould growth. Starch-based bio-composites are easily affected by mould at high relative humidity. Citric acid and sodium silicate solution can improve bio-composites biological resistance.
Abstract 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.
Eco-efficient boards with agro-industrial wastes – Assessment of different adhesives
Cintura, Eleonora (Autor:in) / Faria, Paulina (Autor:in) / Duarte, Marta (Autor:in) / Nunes, Lina (Autor:in)
28.07.2023
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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