Accelerated weathering performance of wood‐plastic composites reinforced with carbon and glass fibre‐woven fabrics

Durmaz, Sefa; Erdil, Yusuf Ziya; Özgenç, Özlem

doi:10.1111/cote.12572

Cited by 8 publications

(7 citation statements)

References 57 publications

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“…Biobased plastic composites formed by blending biomass resources with thermoplastics have attracted attention for applications in buildings, decoration, automotive interiors, and decking ( Bengtsson et al, 2007 ; Kuo et al, 2009 ; Durmaz et al, 2021 ; Guo et al, 2021 ) because of their broadly-distributed resources, low cost, lightweight, high toughness, sound insulation, and shock absorption properties ( Rowell, 2007 ; Kuo et al, 2009 ; Ren et al, 2020 ; Vedat and Fatih, 2020 ). Bamboo fiber (BF) is an important biomass resource, with rapid renewability, wide availability, biodegradability, and outstanding mechanical properties ( Yu et al, 2014 ).…”

Section: Introductionmentioning

confidence: 99%

Anti-mold, self-cleaning superhydrophobic bamboo fiber/polypropylene composites with mechanical durability

Zhao

Lin

et al. 2023

Front. Chem.

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Bamboo fiber/polypropylene composites (BPCs) have been widely used in buildings, interior decoration, and automobile components. However, pollutants and fungi can interact with the hydrophilic bamboo fibers on the surface of Bamboo fiber/polypropylene composites, degrading their appearance and mechanical properties. To improve their anti-fouling and anti-mildew properties, a superhydrophobic modified Bamboo fiber/polypropylene composite (BPC-TiO2-F) was fabricated by introducing titanium dioxide (TiO2) and poly(DOPAm-co-PFOEA) onto the surface of a Bamboo fiber/polypropylene composite. The morphology of BPC-TiO2-F was analyzed by XPS, FTIR, and SEM. The results showed that TiO2 particles covered on Bamboo fiber/polypropylene composite surface via complexation between phenolic hydroxyl groups and Ti atoms. Low-surface-energy fluorine-containing poly(DOPAm-co-PFOEA) was introduced onto the Bamboo fiber/polypropylene composite surface, forming a rough micro/nanostructure that endowed BPC-TiO2-F with superhydrophobicity (water contact angle = 151.0° ± 0.5°). The modified Bamboo fiber/polypropylene composite exhibited excellent self-cleaning properties, and a model contaminant, Fe3O4 powder, was rapidly removed from the surface by water drops. BPC-TiO2-F showed excellent anti-mold performance, and no mold was on its surface after 28 days. The superhydrophobic BPC-TiO2-F had good mechanical durability and could withstand sandpaper abrasion with a weight load of 50 g, finger wiping for 20 cycles, and tape adhesion abrasion for 40 cycles. BPC-TiO2-F showed good self-cleaning properties, mildew resistance, and mechanical resistance, giving it promising applications for automotive upholstery and building decoration.

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Section: Introductionmentioning

confidence: 99%

Anti-mold, self-cleaning superhydrophobic bamboo fiber/polypropylene composites with mechanical durability

Zhao

Lin

et al. 2023

Front. Chem.

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“…2,3 Then, the scission reactions occur, resulting in a shortage of polymer chains, which induces crack formation. 4,5 Therefore, conserved wood fibers with encapsulation become visible and are exposed to UV lights and humidity. Finally, this phenomenon occurs recurrently, depleting the materials' service life and causing economic losses.…”

Section: Introductionmentioning

confidence: 99%

Improvement of weathering and thermal resistance of wood-plastic composites with iron oxide nanoparticles

Durmaz

Keles

Aras

et al. 2023

Journal of Thermoplastic Composite Materials

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This study comprehensively investigated the effect of iron-oxide nanoparticles (NPs) on weathering durability and thermal resistance of wood-plastic composites (WPCs). The hydrophobic nature of NPs improved the dimensional stability of WPCs. The small size of NPs deposits the voids in the matrix, which helps to increase the mechanical properties, even after weathering test. The decrease of modulus of rupture (MOR) reached up to 16% for control samples, while it was 2% for IO40-1. Despite the intensive weathering conditions, NPs cover the surface of materials like a UV shield, improving WPCs' UV resistance. Moreover, the increase in the wood and NPs content limited the UV degradation, which resulted in lower color changes. The attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR) analysis also proved that there were nearly no changes in the characteristic bands of polymer (2916 and 2846 cm−1) and wood (1512 cm−1). The microscopic investigation, however, revealed the deterioration on the surface of WPCs after weathering exposure. Even though UV degradation is inevitable, iron oxide NPs significantly preserved the WPCs surface. However, there were also crack formations, which were also inhibited. On the other hand, NPs decelerated the thermal degradation by acting as a heat barrier. Thermogravimetric analysis (TGA) analysis revealed an increase in the degradation temperature. Limit oxygen index (LOI) values also increased up to 27.6%, which demonstrated an improvement against flammability.

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“…Photochemical reactions induce the degradation of lignin and photooxidation of cellulose and hemicelluloses. This also leads to discoloration of wood and influence negatively on the wood's physical and mechanical properties (Temiz et al 2007, Matuana et al 2011, Durmaz et al 2022.…”

Section: Introductionmentioning

confidence: 99%

Water absorption, thickness swelling and mechanical properties of cement bonded wood composite treated with water repellent

Yılmazer

Aras

Kalaycıoğlu

et al. 2023

Maderas, Cienc. tecnol.

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In this study, the purpose was to improve outdoor performance of cement bonded wood composite due to their biodegradation and sensitivity to moisture especially in warm and humid climates. Cement bonded wood composites were treated with different concentrations (10 %, 25 %, 50 %, 75 % and 100 %) of water repellent. Water repellent used was an organo-silicon based, nano-sized, eco-friendly, water-based agents. Dipping and pressure systems were applied for composite treatment. Water absorption, thickness swelling, accelerated weathering, color changes and mechanical properties after accelerated weathering were determined for treated and untreated cement-bonded composites. Results showed that treatment of composites with water repellent provided a transparent layer on composite surface. Thus, lower water absorption and thickness swelling results in the beginning of immersion in water. Treated and untreated composites were exposed to an accelerated weathering test for 350 h. Their mechanical strength including modulus of rupture, modulus of elasticity and internal bonding properties were decreased after 350 h of weathering. However, overall results after weathering test showed that all panels' mechanical properties provided minimum modulus of rupture, modulus of elasticity and internal bonding requirements of the EN standards.

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Accelerated weathering performance of wood‐plastic composites reinforced with carbon and glass fibre‐woven fabrics

Cited by 8 publications

References 57 publications

Anti-mold, self-cleaning superhydrophobic bamboo fiber/polypropylene composites with mechanical durability

Anti-mold, self-cleaning superhydrophobic bamboo fiber/polypropylene composites with mechanical durability

Improvement of weathering and thermal resistance of wood-plastic composites with iron oxide nanoparticles

Water absorption, thickness swelling and mechanical properties of cement bonded wood composite treated with water repellent

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