Resistance of Cereal-Husk-Reinforced PVC Terrace Profiles to Agaricomycetes Fungi
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View abstract on PubMed
Summary
This summary is machine-generated.Oat husk composite profiles show good fungal resistance, similar to rice husk ones. Millet husk composites are more susceptible to wood-decomposing fungi, raising concerns for outdoor construction use.
Area Of Science
- Materials Science
- Mycology
- Sustainable Construction Materials
Background
- Plant-particle-reinforced polymer composites are increasingly used in construction.
- New terrace profiles utilizing oat or millet husks are under consideration.
- Assessing fungal resistance is crucial for materials exposed to environmental conditions.
Purpose Of The Study
- To evaluate the bioresistance of novel oat and millet husk-reinforced polymer composites against wood-decomposing fungi.
- To compare the fungal susceptibility of these new materials with established rice husk composites.
- To determine the suitability of these bio-composites for outdoor construction applications.
Main Methods
- Exposure of composite profiles (oat husk, millet husk, rice husk reference) to specific wood-decomposing fungi: *Coniophora puteana*, *Coriolus versicolor*, and *Gleophyllum trabeum*.
- Assessment of fungal susceptibility through observation of mycelium development.
- Quantification of material degradation via changes in surface morphology, mass loss, and flexural strength.
Main Results
- Oat husk-reinforced profiles demonstrated bioresistance comparable to the reference rice husk profiles.
- Minor fungal mycelium growth and slight alterations in surface morphology, mass, and flexural strength were observed in oat husk composites.
- Millet husk-reinforced profiles exhibited significantly higher susceptibility to fungal attack.
- *Coniophora puteana* proved to be the most aggressive fungal species across all tested composite types.
Conclusions
- Oat husk-reinforced polymer composites show promising fungal resistance for construction applications.
- Millet husk-reinforced composites may not be suitable for environments prone to fungal decay.
- Further research into enhancing the durability of millet husk composites is recommended.
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