Water Repellent Effect and Dimension Stability of Beech Wood Impregnated with Nano-Zinc Oxide

Soltani, Mojtaba; Najafi, Abdollah; Yousefian, Samane; Naji, Hamid Reza; Bakar, Edi Suhaimi

doi:10.15376/biores.8.4.6280-6287

Cited by 37 publications

(25 citation statements)

References 11 publications

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“…It was revealed that 2 min immersion significantly reduced the water vapor sorption, as depicted in Figure 5. Similar findings were also reported elsewhere [57,72].…”

Section: Improvement Of Water Absorptionsupporting

confidence: 93%

“…A wide spectrum of organic, photocatalytic, and silver ion antimicrobial agents have been applied to date as coatings [33][34][35][36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51]. This includes silver nanoparticles [52], combinations of various metal ions and various metalic nanoparticles [53,54], and combinations of all of the above [55][56][57][58][59][60][61][62][63][64][65][66][67][68][69]. Photocatalytic agents (e.g., titanium dioxide, ZnO) require conditions of water and oxygen and UV A wide spectrum of organic, photocatalytic, and silver ion antimicrobial agents have been applied to date as coatings [33][34][35][36][37][38][39][40][41][42]…”

Section: Increased Durabilitymentioning

confidence: 99%

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Innovative Wood Surface Treatments Based on Nanotechnology

Papadopoulos

Taghiyari

2019

Coatings

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This work reviewed innovative wood surface treatments based on nanotechnology. It is well documented in the literature that the cell walls of wood present significant porosity; this porosity is on a molecular scale. The main reason for the use of nanotechnology in wood science and technology is the unique characteristic of nano-based materials to effectively penetrate deeply into wood substrates, which, in turns, results in the alteration of their surface chemistry. This subsequently causes an improvement in wood properties. Any potential change in the wood properties due to treatment with nanomaterials is based on the higher interfacial area which is developed due to the treatment. This occurs because the number of particles is significantly reduced to the nanoscale. The nanomaterials improve the properties of wood as a raw material and alter its original features to a limited extent. However, their potential impact on both health and the environment should be addressed by applying tools such as life-cycle assessments. This will avoid mistakes being made in which new technologies are released on the market prior to an impact assessment having been carried out.

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“…It was revealed that 2 min immersion significantly reduced the water vapor sorption, as depicted in Figure 5. Similar findings were also reported elsewhere [57,72].…”

Section: Improvement Of Water Absorptionsupporting

confidence: 93%

Section: Increased Durabilitymentioning

confidence: 99%

Innovative Wood Surface Treatments Based on Nanotechnology

Papadopoulos

Taghiyari

2019

Coatings

View full text Add to dashboard Cite

show abstract

“…Furthermore, Charyulu and Biswas () recommended the need for reduction in certification cost and gave more emphasis on investment in the research and development of organic farming for motivating farmers to pursue the organic way of farming. Soltani, Najafi, Yousefian, Naji, and Bakar () suggested that the government should provide subsidies, long‐term loans, and information about the technical and marketing issues in organic farming.…”

Section: Literature Reviewmentioning

confidence: 99%

“…Furthermore, Charyulu and Biswas (2010) recommended the need for reduction in certification cost and gave more emphasis on investment in the research and development of organic farming for motivating farmers to pursue the organic way of farming. Soltani, Najafi, Yousefian, Naji, and Bakar (2013) suggested that the government should provide subsidies, longterm loans, and information about the technical and marketing issues in organic farming. Demiryurek and Ceyhan (2008) found that the marketing aspect of organic farming is a major challenge; hence, farmers should not only focus on export but also need to strengthen the local and domestic markets through establishing cooperative and farmers association.…”

Section: Organic Farming and Marketing Challenges In Indiamentioning

confidence: 99%

Marketing challenges and organic farming in India—Does farm size matter?

Azam

Shaheen

2019

J of Philanthropy and Mktg

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The growing health consciousness among the consumer and increasing awareness about organic food has led numerous opportunities for organic producers. Along with opportunities, there also arise challenges; thus, the main purpose of this study is to explore the marketing challenges faced by the organic and conventional farmers in India. The study also aims to examine the differential association of the marketing challenges on various farm sizes. The sample comprised 400 Indian farmers including both conventional and organic producers. A sequential form of mixed‐method design, that is, qualitative–quantitative, was applied. In the first phase, an exploratory study was convened to find out the marketing challenges among organic and conventional farmers. In the second (quantitative) phase, binomial and multinomial logistics regression was applied to ascertain the differential impact of the marketing challenges on the type of farming and different farm sizes. The results of the qualitative analysis revealed six major marketing challenges faced by the farmers, namely, lack of warehousing facility, lack of price information, inadequate demand for crop, costly transportation, market price variations, and lack of government support. The results suggest there are significant differences in the marketing challenges faced by the conventional and organic farmers across farm sizes. This study is among the few to examine the marketing challenges of organic and conventional farmers in a developing country such as India. The findings will help different stakeholders to frame policies and build strategies to promote organic farming, which will lead to sustainable and responsible consumption in India.

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“…The reduction in volumetric swelling with increasing nano-zinc oxide suggested that higher concentrations of ZnO provided substantial water resistance (SOLTANI et al, 2013). The improvement in dimensional stability samples containing ZnO can be attributed to the void being occupied by ZnO nanoparticles (RASHMI et al, 2012).…”

Section: Dimensional Stability Testmentioning

confidence: 99%

Effects of Impregnation With Styrene and Nano-Zinc Oxide on Fire-Retarding, Physical, and Mechanical Properties of Poplar Wood

Habibzade

Taghiyari

Omidvar

et al. 2016

CERNE

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Nanoparticles have been vastly applied in wood polymer composites (WPCs) in the recent years to improve some of the drawbacks of solid wood species. In the present study, the effects of ZnO nanoparticles on fire retarding, physical, and mechanical properties of polymerized poplar wood were investigated. Poplar specimens were impregnated with styrene monomer, containing four different contents of nanozinc oxide (ZnO) (0, 0.5, 1 and 1.5%, based on the dry weight of monomer). Results of the scanning electron microscopy (SEM) showed homogeneous dispersion of ZnO nanoparticles in the WPC matrix. Nano-zinc oxide improved physical properties such as dimensional stability and water absorption. Moreover, mechanical properties increased in comparison to the control specimens. The impregnation process also significantly improved some of the fire-retarding properties, including the ignition time; however, the flammability nature of styrene aggravated some others, such as carbonized area. It was concluded that, although most of the properties were improved, the final application of WPC should be taken in to consideration before making decision on whether or not to impregnate populus wood with styrene.

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Water Repellent Effect and Dimension Stability of Beech Wood Impregnated with Nano-Zinc Oxide

Cited by 37 publications

References 11 publications

Innovative Wood Surface Treatments Based on Nanotechnology

Innovative Wood Surface Treatments Based on Nanotechnology

Marketing challenges and organic farming in India—Does farm size matter?

Effects of Impregnation With Styrene and Nano-Zinc Oxide on Fire-Retarding, Physical, and Mechanical Properties of Poplar Wood

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