Layer thickness performances of coatings on MDF: Polyurethane and cellulosic paints
Keywords:
Wood based panel, Surface treatment, Impact, Pendulum hardness test, Rapid deformation testAbstract
Furniture from wood material is exposed to various external effects. Impact has negative influence on these materials. Surface treatment is effective on wood material’s durability. This may change due to layers of paint and the property of the paint used on the material. The aim of this study is to determine the differences by investigating the deformations occurring on Medium Density Fiberboard (MDF) with various surface treatments due to impact. Determination of the deformation values were performed by pendulum hardness test and rapid deformation test on MDF using polyurethane and cellulosic paints with different number of application layers. Impact tester was used for determining the effect of rapidly deforming sudden impacts. Pendulum hardness tester was used to determine the layer hardness of the surfaces. Statistical assessment was performed for determining and revealing the impacts. As result of the study, paint type, layer thickness and the interaction between them were significant. Highest layer hardness values for cellulosic paint application type 1 and polyurethane paint type 2 were 241.667 sec. and 222.133 sec. respectively. According to rapid deformation test it was determined that polyurethane paint application had better results than cellulosic paint application.
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References
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Salca, E.A.; Krystofiak, T.; Lis, B.; Mazela, B.; Proszyk, S. 2016. Some coating properties of Black Alder wood as a function of varnish type and application method. Bioresources 11(3):7580-7594.
Salca, E.A.; Krystofiak, T.; Lis, B. 2017. Evaluation of selected properties of Alder wood as functions of sanding and coating. Coatings 7(10):176-186.
Sogutlu, C.; Nzokou, P.; Koc, I.; Tutgun, R.; Döngeş, N. 2016. The effect of surface roughness on varnish adhesion strength of wood materials. Journal of Coating Technology and Research 13(5):863-870.
Ahola, P. 1991. Adhesion between paint and wood substrate. Surface Coatings International 74(5): 173-176.
American Society for Testing and Materials. ASTM. 1984. Standard Test Methods for Hardness of Organic Coatings by Pendulum Test ASTM D 4366-95. 1984. American Society for Testing and Materials: West Conshohocken, PA.
Bulian, F.; Graystone, J.A. 2009. Wood Coating Theory and Practice, Elsevier Science Ltd.: Amsterdam.
Cool, J.; Hernández, R. E. 2011. Improving the sanding process of black spruce wood for surface quality and water-based coating adhesion. Forest Products Journal 61(5): 372-380.
Darmawan, W.; Nandika, D.; Noviyanti, E.; Alipraja, I.; Lumongga, D.; Gardnes, D.; Gerardin, P. 2018. Wettability and bonding quality of exterior coatings on jabon and sengon wood surfaces. J Coat Technol Res 15(1):95-104.
de Moura, L.F.; Hernandez, R.E. 2006. Effects of abrasive mineral, grit size and feed speed on the quality of sanded surfaces of sugar maple wood. Wood Sc. Technol 40(6): 517-530.
Dilik, T.; Erdinler, S.; Hazir, E.; Koç, H.; Hiziroglu, S. 2015. Adhesion strength of wood based composites coated with cellulosic and polyurethane paints. Advances in Materials Science and Engineering 2015: 1-5
Evans, P.D.; Haase, J.G.; Seman, A.S.B.M.; Kiguchi, M. 2015. The search for durable exterior clear coatings for wood. Coatings 5(4): 830-864.
Gorgun, H.V.; Dundar, T. 2018. Strength grading of Turkish black pine structural timber by visual evaluation and nondestructive testing. Maderas Cienc Tecnol 20(1):56-64.
Gurleyen, L.; Ayata, U.; Cakıcıer, N. 2017. Effect of heat treatment on the adhesion strength, pendulum hardness, surface roughness, color and glossiness of Scot pine laminated parquet with two different types of varnish application. Maderas Cienc tecnol 19(2):213-224.
Hysek, S.; Trgala, K.; Fidan, H.; Panek, M.; Lexa, M.; Bohm, M.; Veverka, J. 2018. Ultrasound measurement of exterior wood coating thickness. Maderas Cienc Tecnol 20(4): 671-680.
International Organization for Standardization. ISO. 2017. Furniture-Tests for surfaces-Part 4.Assesment of resistance to impact. ISO 4211-4. 2017.
Jocham, C.; Schmidt, T.W.; Wuzella, G.; Teischinger, A.; Kandelbauer, A. 2011. Adhesion improvement of powder coating on medium density fiberboard (MDF) by thermal pre-treatment. Journal of Adhesion Science and Technology 25(15):1937-1946.
Kaygin, B.; Akgün, E. 2008. Comparison of conventional varnishes with nanolacke UV varnish with respect to hardness and adhesion durability. Int J Mol Sci 9(2):476-485.
Keskin, H.; Tekin, A. 2011. Abrasion resistance of cellulosic, synthetic, polyurethane, waterborne and acidhardening varnishes used woods. Construction and Building Materials 25(2):638-643.
Landry, V.; Blanchet, P.; Cormier L.M. 2013.Water-based and solvent-based stains:Impact on the grain raising in Yellow Birch. BioResources 8(2):1997-2009.
Montero, M.J.; de la Mata, J.; Esteban, M.; Hermoso, E. 2015. Influence of moisture content on wave velocity to estimate the mechanical properties of large cross- section pieces of structural use of Scots pine from Spain. Maderas Cienc Tecnol 17(2):407-420.
Nejad, M.; Cooper, P. 2011. Exterior wood coatings. Part-2: modeling correlation between coating properties and their weathering performance. Journal of Coatings Technology Research 8(4):459-467.
Nejad, M.; Ung, T.; Cooper, P. 2012. Effect of coatings on ACQ preservative component distribution and solubility after natural weathering exposure. Wood Sci Technol 46(6):1169-1180.
Nejad, M.; Shafaghi, R.; Hiba, A.; Cooper, P. 2013. Coating Performance on Oil-heat Treated Wood for flooring. BioResources 8(2):1881-1892.
Pandey, K.K.; Sirinivas, K. 2015. Performance of polyurethane coatings on acetylated and benzoylated rubberwood. Eur J Wood Prod 73(1):111-120.
Pavlic, M.; Kricej, B.; Tomazic, M.; Petric, M. 2004. Selection of Proper Methods for Evaluation of Finished Interior Surface Quality. Copenhagen: COST E-18.
Ramananantoandro, T.; Eyma, F.; Belloncle, C.; Rince, S.; Irle, M. 2018. Effect of machining parameters on raised grain occurring after the application of water-based finishes. European Journal of Wood and Wood Products 76(4):1323-1333.
Salca, E.A.; Krystofiak, T.; Lis, B.; Mazela, B.; Proszyk, S. 2016. Some coating properties of Black Alder wood as a function of varnish type and application method. Bioresources 11(3):7580-7594.
Salca, E.A.; Krystofiak, T.; Lis, B. 2017. Evaluation of selected properties of Alder wood as functions of sanding and coating. Coatings 7(10):176-186.
Sogutlu, C.; Nzokou, P.; Koc, I.; Tutgun, R.; Döngeş, N. 2016. The effect of surface roughness on varnish adhesion strength of wood materials. Journal of Coating Technology and Research 13(5):863-870.
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Published
2019-07-01
How to Cite
Seda Erdinler, E., Huseyin Koc, K., Dilik, T., & Hazir, E. (2019). Layer thickness performances of coatings on MDF: Polyurethane and cellulosic paints. Maderas. Ciencia Y Tecnología, 21(3), 317–326. Retrieved from https://revistas.ubiobio.cl/index.php/MCT/article/view/3473
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