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Surface Characteristics and Artificial Weathering Resistance of Oil-Based Coatings on the Chemically and Thermally Modified Short-Rotation Teak Wood.

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Title: Surface Characteristics and Artificial Weathering Resistance of Oil-Based Coatings on the Chemically and Thermally Modified Short-Rotation Teak Wood.
Authors: Martha, Resa1,2 (AUTHOR) istiesr@apps.ipb.ac.id, George, Béatrice1 (AUTHOR) beatrice.george@univ-lorraine.fr, Gérardin-Charbonnier, Christine1 (AUTHOR) christine.gerardin@univ-lorraine.fr, Fredon, Emmanuel1 (AUTHOR) emmanuel.fredon@univ-lorraine.fr, Rahayu, Istie S.2 (AUTHOR), Darmawan, Wayan2 (AUTHOR) wayandar@indo.net.id, Gérardin, Philippe1 (AUTHOR) wayandar@indo.net.id
Source: Materials (1996-1944). Aug2024, Vol. 17 Issue 15, p3881. 20p.
Subject Terms: *WOOD, *FURFURYL alcohol, *FREE surfaces, *WETTING, *SURFACE properties, *LINSEED oil
Abstract: Improving the durability of short-rotation wood can be achieved through chemical and thermal modification. Chemical and thermal modification can have an impact on the physicochemical properties of wood, which can affect wood's surface characteristics and its resistance to weathering. The purpose of this study was to investigate the surface characteristics and artificial weathering resistance of chemically and thermally modified short-rotation teak wood coated with linseed oil (LO)-, tung oil (TO)-, and commercial oil-based coatings consisting of a mixture of linseed oil and tung oil (LT) and commercial oil-based polyurethane resin (LB) coatings. The short-rotation teak woods were prepared in untreated and treated with furfuryl alcohol (FA), thermal treatment (HT) at 150 and 220 °C, and combination of glycerol–maleic anhydride (GMA) impregnation with thermal treatment at 150 and 220 °C. The surface characteristics measured were surface free energy, wettability, Persoz hardness, bonding quality, and color changes before and after artificial weathering exposure. The results showed that chemical and thermal modifications treatment tended to reduce total surface free energy (SFE), hardness, wettability, and bonding quality. FA and GMA at 220 °C treatments provided homogenization effect on surface characteristics, especially in total SFE and wettability. The total SFE of untreated wood ranged from 45.00 to 51.13 mN/m, and treated wood ranged from 40.58 to 50.79 mN/m. The wettability of oil-based coating according to K-value ranged from 0.20 to 0.54. TO presented better photostability than LO. Short-rotation teak wood coated with oil-based commercial coatings presented better weathering resistance compared to pure natural drying oil. Commercial oil-based coatings provided better weathering protection for the chemically and thermally modified teak wood. The application of oil-based coatings on chemically and thermally modified short-rotation teak is being considered for the development of a better wood-protection system. [ABSTRACT FROM AUTHOR]
Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Surface Characteristics and Artificial Weathering Resistance of Oil-Based Coatings on the Chemically and Thermally Modified Short-Rotation Teak Wood.
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  Data: <searchLink fieldCode="AR" term="%22Martha%2C+Resa%22">Martha, Resa</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> istiesr@apps.ipb.ac.id</i><br /><searchLink fieldCode="AR" term="%22George%2C+Béatrice%22">George, Béatrice</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> beatrice.george@univ-lorraine.fr</i><br /><searchLink fieldCode="AR" term="%22Gérardin-Charbonnier%2C+Christine%22">Gérardin-Charbonnier, Christine</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> christine.gerardin@univ-lorraine.fr</i><br /><searchLink fieldCode="AR" term="%22Fredon%2C+Emmanuel%22">Fredon, Emmanuel</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> emmanuel.fredon@univ-lorraine.fr</i><br /><searchLink fieldCode="AR" term="%22Rahayu%2C+Istie+S%2E%22">Rahayu, Istie S.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Darmawan%2C+Wayan%22">Darmawan, Wayan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> wayandar@indo.net.id</i><br /><searchLink fieldCode="AR" term="%22Gérardin%2C+Philippe%22">Gérardin, Philippe</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> wayandar@indo.net.id</i>
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  Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Aug2024, Vol. 17 Issue 15, p3881. 20p.
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  Data: *<searchLink fieldCode="DE" term="%22WOOD%22">WOOD</searchLink><br />*<searchLink fieldCode="DE" term="%22FURFURYL+alcohol%22">FURFURYL alcohol</searchLink><br />*<searchLink fieldCode="DE" term="%22FREE+surfaces%22">FREE surfaces</searchLink><br />*<searchLink fieldCode="DE" term="%22WETTING%22">WETTING</searchLink><br />*<searchLink fieldCode="DE" term="%22SURFACE+properties%22">SURFACE properties</searchLink><br />*<searchLink fieldCode="DE" term="%22LINSEED+oil%22">LINSEED oil</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Improving the durability of short-rotation wood can be achieved through chemical and thermal modification. Chemical and thermal modification can have an impact on the physicochemical properties of wood, which can affect wood's surface characteristics and its resistance to weathering. The purpose of this study was to investigate the surface characteristics and artificial weathering resistance of chemically and thermally modified short-rotation teak wood coated with linseed oil (LO)-, tung oil (TO)-, and commercial oil-based coatings consisting of a mixture of linseed oil and tung oil (LT) and commercial oil-based polyurethane resin (LB) coatings. The short-rotation teak woods were prepared in untreated and treated with furfuryl alcohol (FA), thermal treatment (HT) at 150 and 220 °C, and combination of glycerol–maleic anhydride (GMA) impregnation with thermal treatment at 150 and 220 °C. The surface characteristics measured were surface free energy, wettability, Persoz hardness, bonding quality, and color changes before and after artificial weathering exposure. The results showed that chemical and thermal modifications treatment tended to reduce total surface free energy (SFE), hardness, wettability, and bonding quality. FA and GMA at 220 °C treatments provided homogenization effect on surface characteristics, especially in total SFE and wettability. The total SFE of untreated wood ranged from 45.00 to 51.13 mN/m, and treated wood ranged from 40.58 to 50.79 mN/m. The wettability of oil-based coating according to K-value ranged from 0.20 to 0.54. TO presented better photostability than LO. Short-rotation teak wood coated with oil-based commercial coatings presented better weathering resistance compared to pure natural drying oil. Commercial oil-based coatings provided better weathering protection for the chemically and thermally modified teak wood. The application of oil-based coatings on chemically and thermally modified short-rotation teak is being considered for the development of a better wood-protection system. [ABSTRACT FROM AUTHOR]
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  Label:
  Group: Ab
  Data: <i>Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.3390/ma17153881
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 20
        StartPage: 3881
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      – SubjectFull: WOOD
        Type: general
      – SubjectFull: FURFURYL alcohol
        Type: general
      – SubjectFull: FREE surfaces
        Type: general
      – SubjectFull: WETTING
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      – SubjectFull: SURFACE properties
        Type: general
      – SubjectFull: LINSEED oil
        Type: general
    Titles:
      – TitleFull: Surface Characteristics and Artificial Weathering Resistance of Oil-Based Coatings on the Chemically and Thermally Modified Short-Rotation Teak Wood.
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            NameFull: Martha, Resa
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            – D: 01
              M: 08
              Text: Aug2024
              Type: published
              Y: 2024
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