Weathering indicator for artificial and natural weathering of wood coatings

Grüll, Gerhard; Forsthuber, Boris; Tscherne, Florian; Spitaler, Irene

doi:10.1007/s00107-014-0807-7

Cited by 11 publications

(12 citation statements)

References 3 publications

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“…However, for longer performance of coatings at exterior applications improvements of the coatings are crucial. It is known that the maintenance of wood coatings in exterior use is crucial to the performance and durability during weathering [43].…”

Section: Effect Of Natural Weathering On Color Stabilitymentioning

confidence: 99%

“…Double treatment of wood with chemicals and varnishes is necessary to extend the service life of a wood. Baysal and Grüll et al recommended that the application of a maintenance coat is important [22,43]. The color change is attributed to the carbonyl groups of the conjugated ketones, aldehydes, and quinines resulting from lignin and other compound modifications [47], and it depends on the formation of carbonyl groups generated during photodegradation of the wood [9].…”

Section: Effect Of Natural Weathering On Color Stabilitymentioning

confidence: 99%

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The Effects of Natural Weathering on Color Stability of Impregnated and Varnished Wood Materials

Türkoğlu

Baysal

Toker

2015

Advances in Materials Science and Engineering

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The aim of this study was to investigate effects of natural weathering on color stability of Scots pine (Pinus sylvestrisL.) and Oriental beech (Fagus orientalisL.) impregnated with some chemicals [tanalith-E (TN-E), adolit-KD5 (AD-KD5), and chromated copper arsenate (CCA)] and then varnished [synthetic varnish (SV) and polyurethane varnish (PV)]. While applying varnish increased lightness, impregnation decreased lightness of the wood specimens before natural weathering. Natural weathering caused greenish, bluish, and dark color tones of the wood surface. Total color change was increased with increasing exposure times in natural weathering. Untreated (control) wood specimens exhibited higher color changes than the other wood specimens in all the stages of natural weathering. The total color changes of untreated Oriental beech specimens were less than untreated Scots pine specimens. The color stability of impregnated and varnished wood specimens gave better results than untreated and solely varnished wood specimens after natural weathering. The best color stability was obtained from both Oriental beech and Scots pine wood impregnated with TN-E before PV coating.

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Section: Effect Of Natural Weathering On Color Stabilitymentioning

confidence: 99%

Section: Effect Of Natural Weathering On Color Stabilitymentioning

confidence: 99%

The Effects of Natural Weathering on Color Stability of Impregnated and Varnished Wood Materials

Türkoğlu

Baysal

Toker

2015

Advances in Materials Science and Engineering

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“…Paint systems are used to protect wood surfaces against the aforementioned 'complex of abiotic and biotic influences' [11]. The protective function of wood coatings is defined by their thickness [12], water and vapour permeability [13,14], hydrophobicity [15] or adhesion [16]. The aesthetic function is mainly determined by colour consistency [11], gloss [17] and the ability to prevent mould growth [18].…”

Section: Introductionmentioning

confidence: 99%

Durability of Selected Transparent and Semi-Transparent Coatings on Siberian and European Larch during Artificial Weathering

et al. 2019

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This paper compares the resistance of 20 commercial transparent and semi-transparent coatings applied to European and Siberian larch during artificial weathering in Xenotest. The change in gloss, colour, contact angle of wetting, resistance to Aspergillus niger and Penicillium brevicompactum moulds was evaluated, and visual changes at the top surface of treated wood species were measured. Overall, the durability of coatings on European larch was higher than that on Siberian larch. The most durable of the tested coatings was a thin-film, i.e., semi-transparent oil-based film containing TiO2 pigment and propiconazole fungicide. Of the transparent coatings, the most stable was a thick acrylic coating. Conversely, penetrating transparent oil systems had low colour stability and overall lifespan. Artificial weathering of all of the coatings resulted in a marked decrease in their resistance to moulds.

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“…Along with fire resistance, an optimum wood coating is judged based on the hydrophobicity, UV protection durability, toughness, oxidation resistance, etc. Coatings can be mainly classified into binder‐free coatings and coating combined with a binder material . Mainly a wood coating material consists of binders, fillers, pigments, flatting agents, solvents, and additives .…”

mentioning

confidence: 99%

Hexagonal Boron Nitride Nanosheets as High‐Performance Binder‐Free Fire‐Resistant Wood Coatings

Liu

Kutty

Zheng

et al. 2016

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Weathering indicator for artificial and natural weathering of wood coatings

Cited by 11 publications

References 3 publications

The Effects of Natural Weathering on Color Stability of Impregnated and Varnished Wood Materials

The Effects of Natural Weathering on Color Stability of Impregnated and Varnished Wood Materials

Durability of Selected Transparent and Semi-Transparent Coatings on Siberian and European Larch during Artificial Weathering

Hexagonal Boron Nitride Nanosheets as High‐Performance Binder‐Free Fire‐Resistant Wood Coatings

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