Author(s): M. M. El-sawy, N. O. Shaker, E. M. Kandeel

Email(s): dr.mahaelsawy@azhar.edu.eg

DOI: 10.52711/2349-2988.2021.00014   

Address: M. M. El-sawy, N. O. Shaker, E. M. Kandeel
Chemistry Department, Faculty of Science, Al-Azhar University (girls), Cairo, Egypt.
*Corresponding Author

Published In:   Volume - 13,      Issue - 2,     Year - 2021


ABSTRACT:
Polyesteramide resins were obtained and evaluated as vehicles and the variations of film performance in relation to the amide linkage were studied. Treatment of either linseed or safflower oils with diethanolamine with catalytic amounts of alkali metal alkoxide under relatively mild conditions led to a substantially complete conversion to N,N-(hydroxyethyl) linseed amide (HELA) and N,N-(hydroxyethyl) safflower amide (HESA). Polymerization of the polyols with diadipyl aromatic amines (aniline, p-toluidine, p-aminophenol and p-aminobenzoic acid) was carried out to yield polyesteramide derivatives having interesting surface coating properties. Such a substitution was claimed to give much harder, tougher, more flexible films with excellent chemical resistance in comparison with alkyd resins of similar oil length. The study includes stoving films mechanical evaluation as gloss percent at 60ºC, adhesion, impact, pencil hardness and bending tests using mild steel plates. The films also possess excellent impact resistance, high scratch hardness values, excellent bending test and good adhesion.


Cite this article:
M. M. El-sawy, N. O. Shaker, E. M. Kandeel. Polyesteramides Based on Linseed and Safflower Oils for Protective Coatings. Research Journal of Science and Technology. 2021; 13(2):89-9. doi: 10.52711/2349-2988.2021.00014

Cite(Electronic):
M. M. El-sawy, N. O. Shaker, E. M. Kandeel. Polyesteramides Based on Linseed and Safflower Oils for Protective Coatings. Research Journal of Science and Technology. 2021; 13(2):89-9. doi: 10.52711/2349-2988.2021.00014   Available on: https://rjstonline.com/AbstractView.aspx?PID=2021-13-2-5


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