The mechanical properties of soybean straw and wheat straw blended medium density fiberboards made with methylene diphenyl diisocyanate binder

Sitz, Evan D.; Bajwa, Dilpreet S.

doi:10.1016/j.indcrop.2015.05.006

Cited by 28 publications

(21 citation statements)

References 4 publications

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“…These results demonstrated that the ZnO NPs had an enhancing effect on the mechanical properties of wood-fiber-polymer composites. Figure 9 f displays the comparison of the mechanical properties of the PZW composites with those of other peer biomass materials, showing that the properties of the PZW composites were better than those of the other materials [ 32 , 33 , 34 , 35 , 36 , 37 ].…”

Section: Resultsmentioning

confidence: 99%

Fabrication of a Nano-ZnO/Polyethylene/Wood-Fiber Composite with Enhanced Microwave Absorption and Photocatalytic Activity via a Facile Hot-Press Method

et al. 2017

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A polyethylene/wood-fiber composite loaded with nano-ZnO was prepared by a facile hot-press method and was used for the photocatalytic degradation of organic compounds as well as for microwave absorption. ZnO nanoparticles with an average size of 29 nm and polyethylene (PE) powders were dispersed on the wood fibers’ surface through a viscous cationic polyacrylamide (CPAM) solution. The reflection loss (RL) value of the resulting composite was −21 dB, with a thickness of 3.5 mm in the frequency of 17.17 GHz. The PE/ZnO/wood-fiber (PZW) composite exhibited superior photocatalytic activity (84% methyl orange degradation within 300 min) under UV light irradiation. ZnO nanoparticels (NPs) increased the storage modulus of the PZW composite, and the damping factor was transferred to the higher temperature region. The PZW composite exhibited the maximum flexural strength of 58 MPa and a modulus of elasticity (MOE) of 9625 MPa. Meanwhile, it also displayed dimensional stability (thickness swelling value of 9%).

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Section: Resultsmentioning

confidence: 99%

Fabrication of a Nano-ZnO/Polyethylene/Wood-Fiber Composite with Enhanced Microwave Absorption and Photocatalytic Activity via a Facile Hot-Press Method

et al. 2017

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“…To widen its application areas, significant effort has been made to improve the mechanical properties of MDF by adding reinforcing agents such as nano-wollastonite (Taghiyari et al 2015a), wollastonite fibers (Taghiyari et al 2016), and organo-silane derivatives (Taghiyari et al 2015b). Moreover, some researchers have tried changing the types of adhesives (Sitz and Bajwa 2015;Arévalo and Peijs 2016;Wu et al 2016). Sitz and Bajwa (2015) and Arévalo and Peijs (2016) prepared MDF using methylene diphenyl diisocyanate and the self-binding capability of cellulose, respectively.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, some researchers have tried changing the types of adhesives (Sitz and Bajwa 2015;Arévalo and Peijs 2016;Wu et al 2016). Sitz and Bajwa (2015) and Arévalo and Peijs (2016) prepared MDF using methylene diphenyl diisocyanate and the self-binding capability of cellulose, respectively. However, these improvements are very limited and cannot be used in decorative facades due to its low mechanical properties according to JG/T 260 (2009).…”

Section: Introductionmentioning

confidence: 99%

Investigation into Mechanical, Thermal, Flame-Retardant Properties of Wood Fiber Reinforced Ultra-High-Density Fiberboards

2017

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The demand has grown in many fields for materials that are eco-friendly and sustainably developed. In this study, several formulations of novel wood fiber reinforced ultra-high-density fiberboards (UHDFs) using resoltype phenolic resin (RTPR) as binders were manufactured for application in decorative building facades. The influences of the various formulations on water resistance and the mechanical, thermal, and fire-resistant properties were systematically examined. All formulations of the UHDFs exhibited better water resistance, internal bonding, and fire resistance as the RTPR content and density increased. To better evaluate mechanical properties, the microstructure of the UHDFs was observed using scanning electron microscopy. After optimization of hot-pressing conditions, UHDFs with excellent mechanical properties of approximately 7.2 GPa, 85.9 MPa, and 5.4 MPa for bending modulus, bending strength, and internal bonding, respectively, were achieved. Good water and flame resistance were also achieved, which makes these materials competitive with other commercial products. District, Beijing, PR China, 100091; b: College of Furniture and Industrial Design, Nanjing Forestry University, No. 159 LongPan Road, Nanjing, Jiangsu, P.R. China, 210037; * Corresponding author: Guowj717@sina.com Keywords INTRODUCTIONCurrently, reducing carbon and promoting sustainable development are among the most pressing issues in high-energy-dissipation building projects, which are now making great efforts to develop green building materials. Ceramic tiles are an important material for use in decorative building facades. However, their production process creates a lot of dust and consumes a lot of electrical energy. Therefore, the authors proposed a novel, natural, fiber-reinforced biomass composite as an alternative to ceramic tiles for use in decorative facades, contributing to the sustainable development of green buildings.Wood fibers, an environmentally friendly, natural fiber, have been widely used in indoor furniture (Saz-Orozco et al. 2014;Sommerhuber et al. 2016;Wang et al. 2016) and automobile interiors (Ann Gnpta et al. 2008;Gallo et al. 2013), but are not often used as structural materials in engineering due to their poor mechanical properties.Conventionally, wood fiber reinforced composites are composed of wood fibers that have been pressed together under high temperature and pressure with a resin binder to form a homogeneous board. Studies on wood fiber reinforced composites have mainly focused on low-density fiberboard (LDF) (< 600 kg/m 3 ) (Chen et al. 2015a,b;Cai et al. 2016) and medium-density fiberboard (MDF) (600 kg/m 3 to 800 kg/m 3 ) (Sliseris et al. (2015) and Arévalo and Peijs (2016) prepared MDF using methylene diphenyl diisocyanate and the self-binding capability of cellulose, respectively. However, these improvements are very limited and cannot be used in decorative facades due to its low mechanical properties according to JG/T 260 (2009). To promote the application of wood fiber reinforced composite...

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“…Previous studies have reported the existence of complex hydrogen bonding system by aliphatic and phenolic hydroxyl groups. Lower water absorption by wheat straw lignin can be due to the presence of higher ash content as well as waxy cutilcular layer on the surface [28].…”

Section: Discussionmentioning

confidence: 99%

Application of bioethanol derived lignin for improving physico-mechanical properties of thermoset biocomposites

Bajwa

Wang

Sitz

et al. 2016

International Journal of Biological Macromolecules

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The mechanical properties of soybean straw and wheat straw blended medium density fiberboards made with methylene diphenyl diisocyanate binder

Cited by 28 publications

References 4 publications

Fabrication of a Nano-ZnO/Polyethylene/Wood-Fiber Composite with Enhanced Microwave Absorption and Photocatalytic Activity via a Facile Hot-Press Method

Fabrication of a Nano-ZnO/Polyethylene/Wood-Fiber Composite with Enhanced Microwave Absorption and Photocatalytic Activity via a Facile Hot-Press Method

Investigation into Mechanical, Thermal, Flame-Retardant Properties of Wood Fiber Reinforced Ultra-High-Density Fiberboards

Application of bioethanol derived lignin for improving physico-mechanical properties of thermoset biocomposites

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