The effect of alkyd coatings on the color changes and adhesion strength in parallel and perpendicular to fibers of date palm trees

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GHOLAMIYAN H.

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Journal: Journal of Forest and Wood Products Year:2019 | Volume:72 | Issue:1 Page(s): 67-76

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Title

The effect of alkyd coatings on the color changes and adhesion strength in parallel and perpendicular to fibers of date palm trees

Author(s)

GHOLAMIYAN H. | Issue Writer Certificate

Keywords

AdhesionQ1

CoatingQ1

ColorimetricQ1

FurnitureQ1

PalmQ1

PolyesterQ1

Abstract

In this study, the effect of alkyd Coatings on the color changes and Adhesion strength in parallel and perpendicular to fibers of date Palm trees was investigated. For this purpose, the boards with the dimensions of 2 × 7 × 15 mm (parallel) and 5 × 5 × 5 (perpendicular) were prepared. Then, acid catalyzed and nitrocellulose lacquers (SC) and Polyester (SP) Coatings were applied and all specimens were then transferred to conditioning room (20± 1 º C, and 65 ± 1 % RH) for 15 days. Also, the quality of Coatings was evaluated by Colorimetric and Adhesion strength with pull-off test in parallel and perpendicular to fibers. The results of Colorimetric showed that, after Coating with acid catalyzed and nitrocellulose lacquers the brightness of the sample was decreased while the redness and yellowness compared to the control sample increased. In addition, Coating in the parallel direction caused a greater change in color than the perpendicular direction. Furthermore, the results showed that the color saturation and hue parameters of coated samples compared to the control one were increased and decreased respectively. In addition, the transparency and gloss increases and the color tends to redshow have given. The results of pull-off test illustrated that the Adhesion resistance of the acid catalyzed and nitrocellulose lacquers (SC) was less than the Polyester (SP) Coating and the Adhesion resistance in the perpendicular to the fibers was generally 2 times higher than the parallel to the fibers. Increasing Adhesion resistance in the cross section than the longitudinal section is due to better penetration of the Coating into the fibers of Palm, but in the longitudinal section it is due to the separation of the Palm tissue.

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APA: Copy

GHOLAMIYAN, H.. (2019). The effect of alkyd coatings on the color changes and adhesion strength in parallel and perpendicular to fibers of date palm trees. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), 72(1 ), 67-76. SID. https://sid.ir/paper/376746/en

Vancouver: Copy

GHOLAMIYAN H.. The effect of alkyd coatings on the color changes and adhesion strength in parallel and perpendicular to fibers of date palm trees. JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2019;72(1 ):67-76. Available from: https://sid.ir/paper/376746/en

IEEE: Copy

H. GHOLAMIYAN, “The effect of alkyd coatings on the color changes and adhesion strength in parallel and perpendicular to fibers of date palm trees,” JOURNAL OF FOREST AND WOOD PRODUCTS (JFWP) (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 72, no. 1 , pp. 67–76, 2019, [Online]. Available: https://sid.ir/paper/376746/en

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