Scratch resistance of cellulosic, synthetic, polyurethane, waterborne, and acid-hardening varnishes used on woods

Keski̇n, Hakan; Atar, Musa; Korkut, Süleyman; Tekin, Ahmet

doi:10.1016/j.indcrop.2009.10.010

Cited by 7 publications

(5 citation statements)

References 4 publications

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“…Values of scratch resistance decreased for all the four wood species across all the treatment combinations (Table 3). These results were in accordance with earlier experiments conducted by Keskin et al (2010).…”

Section: Resultssupporting

confidence: 94%

Varnish layer hardness, scratch resistance, and glossiness of various wood species as affected by heat treatment

Korkut

2011

BioRes

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The aim of the study was to determine the effects of different heat treatment and varnish application combinations on hardness, scratch resistance, and glossiness of wood materials sampled from limba (Terminalia superba), iroko (Chlorophora excelsa), ash (Fraxinus excelsior L.), and Anatolian chestnut (Castenea sativa Mill.) species. The heat treatment was applied at two levels (150 and 180 oC) for both 3 and 6 hour periods. After the heat treatment, four types of varnish (cellulose lacquer, synthetic varnish, polyurethane varnish, and water based varnish) were applied, and hardness, scratch resistance, and glossiness of varnish film layers of the treated woods were measured. The effects of heat treatment and varnish combination applications on above mentioned variables were analyzed according to the study design (factorial design with 4 (species) x 2 (heat) x 2(duration) x 4 (varnish) = 64 experimental units) with 10 samples for each combination of parameters. Glossiness increased on wood samples for all of the four wood species treated with cellulose lacquer and synthetic varnish and across all heating treatments. However, glossiness values were decreased for all the wood species depending on heating temperature and time. Values of hardness and scratch resistance were also decreased for all the four wood species across all the treatment combinations. The results were obtained from the upper surface of the application process and are thought to contribute to the national economy.

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Section: Resultssupporting

confidence: 94%

Varnish layer hardness, scratch resistance, and glossiness of various wood species as affected by heat treatment

Korkut

2011

BioRes

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“…The resistance of water-based polish is lower than that of solvent-based varnishes (Smith and Kimball, 2008;Keskin et al, 2010;Forsgren, 2006;Soucek and Johansson, 2012). Therefore, solvent-based polish is preferred despite being harmful (De Hek et al, 1998;Weissenborn and Motiejauskaite, 2000).…”

Section: Adhesion Test Resultsmentioning

confidence: 99%

The use of hydroxyethyl cellulose as a transparent filling material in finishing polish

Erkmen

2018

PRT

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Purpose This study aims to propose a solution to decrease the environmental pollution caused by alkyd resins that harm the environment during their production and use. Design/methodology/approach A commercially produced polish formulation was used in the study. To reduce the use of this formulation in finishing polish, a water-saturated transparent solution of hydroxyethyl cellulose was used as a transparent filling material. Findings The use of hydroxyethyl cellulose at its optimum concentration in finishing polish only reduced the gloss by 0.027 per cent. The amount of alkyd was reduced by 24 per cent in weight. Research limitations/implications The literature contained highly limited information on this subject. No transparent filling material was found. Thus, no comparison can be made with other studies. Practical implications The results obtained from this study can help manufacturers in the polish industry to produce varnish in a more cost-effective and eco-friendly way. Originality/value Considerable amount of volatile organic compounds released into the atmosphere as a result of the use of solvent-based dye/varnishes in the woodworking industry alone proves the importance of water-based systems. The results of this study indicate both economic and environmental gain.

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“…Water-based polyurethane coatings are not only low-cost, safe and environmentally friendly but also have good low-temperature film-forming properties, high-temperature retack resistance, and high wear resistance, etc. [14][15][16][17][18]. The research results of Pan et al [19] show that water-based polyurethane's (waterborne polyurethane, WPU) adhesion of the coating is much better than that of the acrylic resin (PA) emulsion.…”

Section: Introductionmentioning

confidence: 99%

Effect of Polyurethane Non-Transparent Coating Process on Paint Film Performance Applied on Modified Poplar

Liu

Gao

2021

Coatings

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Whether modified poplar can obtain a qualified or even excellent finishing effect on European and American furniture is worthy of deep study. To evaluate whether the conventional non-transparent coating process is suitable for modified poplar, a multi-level hybrid orthogonal experiment method was carried out to start research on how factors affect the paint film performance of the non-transparent coating process. The effect of experimental factors and levels on paint film performance is pointed out, and the optimal factors and levels are found. Parameter optimization of the polyurethane non-transparent finishing process based on modified poplar is carried out. An application basis was provided for the extensive use of modified poplar wood as a substrate in the European and American furniture markets. The conclusions are: (1) gloss of paint film can be improved by increasing the number of nitrocellulose (NC) lacquer transparent topcoats, (2) adhesion and thickness of paint film can be improved by polyurethane (PU) sealing primer, (3) the initial paint film’s abrasion is influenced efficiently by the coating process and coating sanding. PU sealing primer has an efficient influence on the later abrasion of paint film. The effect of modified poplar surface pretreatment on the mass loss of paint film tends to be stable.

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Scratch resistance of cellulosic, synthetic, polyurethane, waterborne, and acid-hardening varnishes used on woods

Cited by 7 publications

References 4 publications

Varnish layer hardness, scratch resistance, and glossiness of various wood species as affected by heat treatment

Varnish layer hardness, scratch resistance, and glossiness of various wood species as affected by heat treatment

The use of hydroxyethyl cellulose as a transparent filling material in finishing polish

Effect of Polyurethane Non-Transparent Coating Process on Paint Film Performance Applied on Modified Poplar

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