The Effect of Carvacrol and Carvone Treatments on the Cedar Wood SurfacePhysico-chemical Properties [ READ ]
Barkai Hassan,Sadiki Moulay,El abed Soumya,EL harchli EL Hassan, Boutahari Saïd, Ibnsouda Koraichi Saad
The contact angle method was used in this study to investigate the impact of the cedar wood surface treatment by two essentials oil components on its physicochemical properties.Thus, the hydrophobicity and the Lewis acid/base components were evaluated before and after the treatment of the cedar wood with carvacrol and the carvone. The obtained results revealed that the cedar wood showed the initial characteristics of hydrophobic surfaces (Θw = 89±0.12°; ΔGiwi = -67.93 mJ/m2) with low electron Donor and Acceptor properties (γ- = 0.28±0.06 mJ/m2; γ+ = 3.03±0.2 mJ/m2). After 15 min of treatment with carvacrol, the surface became hydrophilic (Θw = 42.2±0.3°; ΔGiwi = 11.29 mJ/m2), the electron acceptor character is canceled (γ+ = 0.18±0.08 mJ/m2) while the electron donor component increased considerably (γ- = 36.82±0.93 mJ/m2). However, the treatment of the cedar wood by carvone allowed to notice that the surface remained hydrophobic (Θw = 39.8±0.3°; ΔGiwi = -5.31 mJ/m2) but also with a strong increase of the electron donor character (γ- = 29.11±0.43 mJ/m2) compared with the controls samples. This study contributes to demonstrate the significant impact of these essential oil components on the initial physicochemical properties of cedar wood.
Barkai Hassan,Sadiki Moulay,El abed Soumya,EL harchli EL Hassan, Boutahari Saïd, Ibnsouda Koraichi Saad
The contact angle method was used in this study to investigate the impact of the cedar wood surface treatment by two essentials oil components on its physicochemical properties.Thus, the hydrophobicity and the Lewis acid/base components were evaluated before and after the treatment of the cedar wood with carvacrol and the carvone. The obtained results revealed that the cedar wood showed the initial characteristics of hydrophobic surfaces (Θw = 89±0.12°; ΔGiwi = -67.93 mJ/m2) with low electron Donor and Acceptor properties (γ- = 0.28±0.06 mJ/m2; γ+ = 3.03±0.2 mJ/m2). After 15 min of treatment with carvacrol, the surface became hydrophilic (Θw = 42.2±0.3°; ΔGiwi = 11.29 mJ/m2), the electron acceptor character is canceled (γ+ = 0.18±0.08 mJ/m2) while the electron donor component increased considerably (γ- = 36.82±0.93 mJ/m2). However, the treatment of the cedar wood by carvone allowed to notice that the surface remained hydrophobic (Θw = 39.8±0.3°; ΔGiwi = -5.31 mJ/m2) but also with a strong increase of the electron donor character (γ- = 29.11±0.43 mJ/m2) compared with the controls samples. This study contributes to demonstrate the significant impact of these essential oil components on the initial physicochemical properties of cedar wood.
