Sustainable composite material based on surface-modified rape straw and environment-friendly adhesive

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F21%3A00350736" target="_blank" >RIV/68407700:21110/21:00350736 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1016/j.conbuildmat.2021.124036" target="_blank" >https://doi.org/10.1016/j.conbuildmat.2021.124036</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.conbuildmat.2021.124036" target="_blank" >10.1016/j.conbuildmat.2021.124036</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Sustainable composite material based on surface-modified rape straw and environment-friendly adhesive

Popis výsledku v původním jazyce

An energy efficient and sustainable composite building material based on rape straw and environment-friendly adhesive is designed. Bone glue with sodium lignosulfonate is used as the binder. Rape straw particles are modified using water and sodium hydroxide treatment. A wide range of functional properties is analyzed, and a detailed characterization of microstructure is performed. The experimental results show that the surface treatment by both water and sodium hydroxide improves the interface adhesion between rape straw and bone glue. The primary consequence is then an increase of both bulk- and matrix density, as compared with the reference material. The best mechanical properties are achieved for the water-treated samples. The sodium hydroxide treatment is found to influence negatively sorption isotherms and to cause greater swelling in a comparison with other composites. The effect of straw surface treatment on thermal and water vapor diffusion properties is not evidenced. The significant swelling of all designed composites at the relative humidities higher than 75% limits their practical applications. They are supposed to be used in dry environments, typically for cladding and insulation in construction, or for packaging purposes.

Název v anglickém jazyce

Sustainable composite material based on surface-modified rape straw and environment-friendly adhesive

Popis výsledku anglicky

An energy efficient and sustainable composite building material based on rape straw and environment-friendly adhesive is designed. Bone glue with sodium lignosulfonate is used as the binder. Rape straw particles are modified using water and sodium hydroxide treatment. A wide range of functional properties is analyzed, and a detailed characterization of microstructure is performed. The experimental results show that the surface treatment by both water and sodium hydroxide improves the interface adhesion between rape straw and bone glue. The primary consequence is then an increase of both bulk- and matrix density, as compared with the reference material. The best mechanical properties are achieved for the water-treated samples. The sodium hydroxide treatment is found to influence negatively sorption isotherms and to cause greater swelling in a comparison with other composites. The effect of straw surface treatment on thermal and water vapor diffusion properties is not evidenced. The significant swelling of all designed composites at the relative humidities higher than 75% limits their practical applications. They are supposed to be used in dry environments, typically for cladding and insulation in construction, or for packaging purposes.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20101 - Civil engineering

Projekt

<a href="/cs/project/GA20-12166S" target="_blank" >GA20-12166S: Charakterizace kompozitních materiálů na bázi povrchově modifikované řepkové slámy a ekologicky šetrných lepidel</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2021

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Construction and Building Materials

ISSN

0950-0618

e-ISSN

1879-0526

Svazek periodika

300

Číslo periodika v rámci svazku

20

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

1-10

Kód UT WoS článku

000687382800012

EID výsledku v databázi Scopus

2-s2.0-85108625936