COATING PERFORMANCES OF CRIMEAN JUNIPER (Juniperus excelsa M. BIEB.) WOOD
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| Format: | Artículo científico |
| Language: | en |
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Universidade Federal de Lavras
2019
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| _version_ | 1876427839057690624 |
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| author | Mustafa Öncel |
| author_facet | Mustafa Öncel |
| contents | COATING PERFORMANCES OF CRIMEAN JUNIPER (Juniperus excelsa M. BIEB.) WOOD Mustafa Öncel Hasan Vurdu Alperen Kaymakçı Osman Emre Özkan Hakan Aydoğan Agrociencias Water based acrylic varnish Varnish layer hardness Varnish adhesion strength Polyurethane alkyd varnish The purpose of this study is to determine the varnish layer hardness and varnish adhesion strength of the varnished Crimean juniper (Juniperus excelsa M. Bieb.) wood growing naturally in the Kastamonu region of Turkey. Test samples were varnished with UV-resistant polyurethane alkyd resin high gloss varnish (PAV) and water-based acrylic resin gloss varnish (WBAV). The varnish adhesion strength test was carried out by using universal testing machine. The varnish layer hardness was measured by using König pendulum hardness tester. Additionally, the colour properties were measured by spectrophotometer equipment that used the L*a*b* colour space. The adhesion strength of the polyurethane varnish and the water-based varnish were determined 2.81 MPa and 2.25 MPa respectively. Surface hardness value for water-based varnish and polyurethane varnish were determined 71 and 25 oscillation respectively. Detecting the performance of polyurethane and water-based varnish applications for the Crimean juniper wood will provide guidance in which type of varnish will be better for finishing. As a result, in varnish applications of the wood, it is recommended that water-based acrylic varnish should be applied when surface hardness is required. In addition, polyurethane alkyd varnish should be applied when better surface adhesion strength is desired. 2019 artículo científico 0104-7760 https://www.redalyc.org/articulo.oa?id=74460212005 https://www.redalyc.org/journal/744/74460212005/ https://www.redalyc.org/journal/744/74460212005/html/ https://www.redalyc.org/journal/744/74460212005/74460212005.epub https://www.redalyc.org/journal/744/74460212005/movil 10.1590/01047760201825012599 en http://www.redalyc.org/revista.oa?id=744 CERNE application/pdf Universidade Federal de Lavras CERNE (Brasil) Num.1 Vol.25 |
| format | Artículo científico |
| id | redalyc_74460212005 |
| institution | Redalyc |
| language | en |
| publishDate | 2019 |
| publisher | Universidade Federal de Lavras |
| spellingShingle | COATING PERFORMANCES OF CRIMEAN JUNIPER (Juniperus excelsa M. BIEB.) WOOD Mustafa Öncel Agrociencias Water based acrylic varnish Varnish layer hardness Varnish adhesion strength Polyurethane alkyd varnish COATING PERFORMANCES OF CRIMEAN JUNIPER (Juniperus excelsa M. BIEB.) WOOD Mustafa Öncel Hasan Vurdu Alperen Kaymakçı Osman Emre Özkan Hakan Aydoğan Agrociencias Water based acrylic varnish Varnish layer hardness Varnish adhesion strength Polyurethane alkyd varnish The purpose of this study is to determine the varnish layer hardness and varnish adhesion strength of the varnished Crimean juniper (Juniperus excelsa M. Bieb.) wood growing naturally in the Kastamonu region of Turkey. Test samples were varnished with UV-resistant polyurethane alkyd resin high gloss varnish (PAV) and water-based acrylic resin gloss varnish (WBAV). The varnish adhesion strength test was carried out by using universal testing machine. The varnish layer hardness was measured by using König pendulum hardness tester. Additionally, the colour properties were measured by spectrophotometer equipment that used the L*a*b* colour space. The adhesion strength of the polyurethane varnish and the water-based varnish were determined 2.81 MPa and 2.25 MPa respectively. Surface hardness value for water-based varnish and polyurethane varnish were determined 71 and 25 oscillation respectively. Detecting the performance of polyurethane and water-based varnish applications for the Crimean juniper wood will provide guidance in which type of varnish will be better for finishing. As a result, in varnish applications of the wood, it is recommended that water-based acrylic varnish should be applied when surface hardness is required. In addition, polyurethane alkyd varnish should be applied when better surface adhesion strength is desired. 2019 artículo científico 0104-7760 https://www.redalyc.org/articulo.oa?id=74460212005 https://www.redalyc.org/journal/744/74460212005/ https://www.redalyc.org/journal/744/74460212005/html/ https://www.redalyc.org/journal/744/74460212005/74460212005.epub https://www.redalyc.org/journal/744/74460212005/movil 10.1590/01047760201825012599 en http://www.redalyc.org/revista.oa?id=744 CERNE application/pdf Universidade Federal de Lavras CERNE (Brasil) Num.1 Vol.25 |
| title | COATING PERFORMANCES OF CRIMEAN JUNIPER (Juniperus excelsa M. BIEB.) WOOD |
| topic | Agrociencias Water based acrylic varnish Varnish layer hardness Varnish adhesion strength Polyurethane alkyd varnish |
| url | https://www.redalyc.org/articulo.oa?id=74460212005 https://www.redalyc.org/journal/744/74460212005/ https://www.redalyc.org/journal/744/74460212005/html/ https://www.redalyc.org/journal/744/74460212005/74460212005.epub https://www.redalyc.org/journal/744/74460212005/movil |