Heat treatment of wood and the investigation of its effect on surface wettability and adhesion strength of coating

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GHOFRANI M.; SAMADI E.; KHOJASTEH KHOSRO S.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Journal Paper

Paper Information

Journal: Iranian Journal of Wood and Paper Science Research Year:2016 | Volume:31 | Issue:2 (55) Page(s): 362-373

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Title

Heat treatment of wood and the investigation of its effect on surface wettability and adhesion strength of coating

Author(s)

GHOFRANI M. | SAMADI E. | KHOJASTEH KHOSRO S. | Issue Writer Certificate

Keywords

Heat treatmentQ1

dry mediumQ1

surface wettabilityQ1

adhesion strength of coatingQ2

wood speciesQ1

transparent coatQ1

Abstract

In this study, the effect of Heat treatment of Alder (Alnus glutinosa), Poplar (Populus nigra) and Spruce (Picea abies) wood on adhesion strength of clear and acid catalyzed transparent coating was investigated. For this purpose, wood samples were prepared with dimension of 200×100×18 mm (longitudinal, tangential, radial) from sapwood on tangential surface. Samples were kept under Heat treatment in oven with 150 and 180˚ C temperatures for about 3 hours. After treatment, sample surfaces were sanded with 120 and 180 grit size sand paper, respectively. Contact angle of water was measured before and after treatment. Samples’ surfaces were covered with a transparent coat in two separate processes with clear and acid catalyzed coating. adhesion strength of coating was measured with Pull Off method according to ASTM D-4541 standards. Results showed that the Heat treatment increased contact angle. This increase continues as the Heat treatment temperature goes higher and it leads to decrease in wettability of samples surfaces. Results also indicated that Heat treatment of wood had significant effect on adhesion strength of coating. Adhesion strength compared to control samples was more than heat treated samples. Lowest coating strength was observed in samples which were heat treated in 180 ˚ C.

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APA: Copy

GHOFRANI, M., SAMADI, E., & KHOJASTEH KHOSRO, S.. (2016). Heat treatment of wood and the investigation of its effect on surface wettability and adhesion strength of coating. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 31(2 (55) ), 362-373. SID. https://sid.ir/paper/109799/en

Vancouver: Copy

GHOFRANI M., SAMADI E., KHOJASTEH KHOSRO S.. Heat treatment of wood and the investigation of its effect on surface wettability and adhesion strength of coating. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2016;31(2 (55) ):362-373. Available from: https://sid.ir/paper/109799/en

IEEE: Copy

M. GHOFRANI, E. SAMADI, and S. KHOJASTEH KHOSRO, “Heat treatment of wood and the investigation of its effect on surface wettability and adhesion strength of coating,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 31, no. 2 (55) , pp. 362–373, 2016, [Online]. Available: https://sid.ir/paper/109799/en

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