Effect of weathering on wood treated with tall oil combined with some additives

Sivrikaya, Hüseyin; Can, Ahmet

doi:10.4067/s0718-221x2016005000063

Cited by 8 publications

(7 citation statements)

References 26 publications

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“…Positive values show the tendency of a composite surface to become reddish for Δa* and yellowish for Δb*, and negative values represent greenish for Δa* and bluish for Δb*. 35,36 Negative Δa* values were obtained in SMA and 10%UT samples, while positive values were obtained in other variations. The highest Δa* values were obtained in both UT and T samples in 30 wt% samples.…”

Section: Color Changementioning

confidence: 97%

Surface characterization of weathered and heat‐treated wood‐based composites reinforced by styrene maleic anhydride

Zor

Can

Gardner

2019

Color Research & Application

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The aim of this study was to investigate the effect of heat‐treated lignocellulosic filler on the surface characteristics and decay resistance of the wood flour/styrene maleic anhydride (SMA) composites. In this study, heat treatment was conducted at 212°C for 8 hours. Test specimens were prepared by injection molding at 220°C. Weathering tests were performed by cycles of UV‐light irradiation for 8 hours, water spray for 15 minutes, and then conditioning for 3.45 hours in an accelerated weathering test cycle chamber. Heat‐treated wood flour/SMA composites were evaluated for color changes, and attenuated total reflectance Fourier transform infrared (FTIR) spectroscopy was used to analyze chemical changes on the sample surfaces. The wood decay tests were performed of white rot fungus, Trametes versicolor (L.: Fr.) Pilat was based on mini‐block specimens on 48% malt extract agar in petri dishes. The study showed that color changes occurred when heat‐treated filler rate is increased in this material. Therefore, materials in 10% filler rate show lower color changes than other variation. As a result of the FTIR analysis, the addition of wood filler into the SMA causes changes in the chemical structure. In addition, the increase in wood filler reduced the resistance to weathering. Decay results showed that thermally modified wood has lower mass loss caused by fungal attack than untreated wood material. The weight loss decreases with the increase in wood flour rate expect 10%T and 10%UT in all composites.

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Section: Color Changementioning

confidence: 97%

Surface characterization of weathered and heat‐treated wood‐based composites reinforced by styrene maleic anhydride

Zor

Can

Gardner

2019

Color Research & Application

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“…Investigations made with Tall Oil indicate its potential as a protective agent for wood. Those surveyed who focused on the search for an alternative as a preservative for wood in Tall Oil indicated that the preventive effect is related to the hydrophobic properties, with the high concentration of oleic acid, with the presence of unsaponifiables, with the stability when the acidity index and the saponification index [9,[46][47][48][49][50][51][52][53]. These factors may be indicative of increased resistance to biodeterioration to a greater or lesser degree.…”

Section: Tablementioning

confidence: 99%

Preservative Treatments on Wood and Their Effects on Metal Fasteners

Dias¹,

Barreiros²

2022

Engineered Wood Products for Construction

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Wood as a building material has characteristics that make it attractive environmentally compared to other materials. It is an economic, historical and sustainable material. Many species of wood are naturally resistant to the action of the organisms that degrade them. However, species with this natural resistance are unable to meet the demand for wood and wood-based products, which have been growing year by year. The scarcity of species resistant to biological degradation forced man to use other less durable species, mainly of rapid growth, from reforestation, such as some species of Eucalyptus and Pinus. These species have moderate or no resistance to attack by biological agents and require preservative treatments. And to increase the life span of these fast-growing woods, protecting them from fungi, insects and other xylophagous organisms, several preservative agents are used, these compounds being highly toxic to these biodeteriorating organisms. It is known that the effectiveness of traditional wood preservation systems is due to the biocidal effect of the products used, however, they pollute the environment. Thus, there is an increasing need to develop effective preservative chemicals, non-toxic to humans and the environment.

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“…It has been reported that linseed and tung oil are very efficient in protecting wood surface against water uptake [ 139 ]. Tall oil treatment was not found resistant to accelerated weathering when used alone in Scots pine wood, but in combination with iron oxide, it was found to be effective in reducing the weathering degradation of the wood surface [ 140 ]. The natural oils can be modified by introducing new groups to the fatty acid chains to cause the oils to react with the substrate or to increase the compatibility with a potential top coating [ 70 ].…”

Section: Treatments Of Wood With Inorganic Metal Compounds and Bio-based Water Repellentsmentioning

confidence: 99%

Enhancing Weathering Resistance of Wood—A Review

Jirouš-Rajković

Miklečić

2021

Polymers

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Wood is a truly sustainable and aesthetically pleasant material used in indoor and outdoor applications. Every material, including wood, is expected to have long-term durability and to retain its original appearance over time. One of the major disadvantages of wood is the deterioration of its surface when exposed outdoors, known as weathering. Although weathering is primarily a surface phenomenon, it is an important issue for wood products as it affects their appearance, service life, and wood-coating performance. To encourage the use of wood as a material for joinery and other building components, the results of research into increasing the weathering resistance of wood are extremely significant. The development of weathering protection methods is of great importance to reduce the maintenance requirements for wood exposed outdoors and can have a major environmental impact. There are various methods of protecting wood surfaces against weathering. This paper provides a literature survey on the recent research results in protecting wood from weathering. The topics covered include surface treatments of wood with photostabilizers; protection with coatings; the deposition of thin film onto wood surfaces; treatments of wood with inorganic metal compounds and bio-based water repellents; the chemical modification of wood; the modification of wood and wood surfaces with thermosetting resins, furfuryl alcohol, and DMDHEU; and the thermal modification of wood.

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Effect of weathering on wood treated with tall oil combined with some additives

Cited by 8 publications

References 26 publications

Surface characterization of weathered and heat‐treated wood‐based composites reinforced by styrene maleic anhydride

Surface characterization of weathered and heat‐treated wood‐based composites reinforced by styrene maleic anhydride

Preservative Treatments on Wood and Their Effects on Metal Fasteners

Enhancing Weathering Resistance of Wood—A Review

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